Photo courtesy of vision china

　　Our reporter Fu Lili

　　Recently, according to media reports, like most large retailers, Wal-Mart stores in the United States are planning to replace paper labels on shelves with small electronic screens, so that prices can be changed quickly and at low cost. But the conversion from paper to screen faces another problem — — The screen needs power. At present, Wal-Mart is cooperating with Osiya Company to adopt the technology of "long-distance charging", also known as "charging in the air" (Cota) to solve this problem.

　　Charging from a distance sounds amazing. What is its principle and how is it realized?

　　"Collecting" electromagnetic energy from space to realize charging

　　"Wal-Mart this ‘ Charging in the air ’ The principle of is not profound, it is ‘ Wireless charging ’ A specific application of technology. " Recently, Yan Huaizhi, director of the Institute of Computer Network and Countermeasure of Beijing Institute of Technology, said in an interview with a reporter from Science and Technology Daily.

　　Yan Huaizhi introduced that the so-called wireless charging refers to the wireless transmission technology of electric energy realized by non-physical contact.

　　The idea of wireless energy transmission has a long history. As early as more than 100 years ago, Tesla proposed the idea of realizing global wireless power supply through the atmospheric ionosphere.

　　The law of conservation and transformation of energy is universally applicable in nature, and electromagnetic space is no exception, which can be proved by Lenz’s law. The essence of Lenz’s law is that "the magnetic field of induced current always hinders the change of magnetic flux that causes induced current." When the magnetic flux in the coil increases, the direction of the induced current is opposite to that of the magnetic field generated by it, while when the magnetic flux in the coil decreases, the direction of the induced current is the same as that of the magnetic field generated by it. Because electromagnetic induction also follows the law of energy conservation and transformation, people can realize energy transformation and propagation through electromagnetic induction.

　　"Specifically, Wal-Mart’s charging method from a distance is that an electric energy transmitter provides an energy source and emits a certain frequency spectrum in a specific direction range, thus creating a three-dimensional electromagnetic energy space." Yan Huaizhi explained that electronic equipment in the space covered by the RF signal can receive the signal if it is equipped with a signal receiving device with the corresponding frequency spectrum, so as to realize electromagnetic induction with the transmitter, thus "collecting" the electromagnetic energy transmitted by the transmitter through the air from a distance and realizing wireless charging of the receiving electronic device.

　　Wei Zhiqing, an associate professor at the School of Information and Communication Engineering of Beijing University of Posts and Telecommunications, further explained that the working principle of Wal-Mart’s air charging equipment is similar to that of WiFi and Bluetooth, and it consists of a transmitter and multiple receivers. Hundreds of micro antennas are integrated in the transmitter, while the receiver is only the size of a coin and is installed on the equipment that needs charging. The receiver will send a request signal for charging to the transmitter when the power is low. After receiving the request signal, the transmitter will charge the equipment at a frequency of 100Hz per second. In the APP that controls charging, you can specify charging devices and charging strategies (for example, give priority to charging devices with low power), and you can charge up to 32 devices at the same time.

　　Yan Huaizhi said that the distance and charging time that people care about this kind of charging technology can reach mainly depends on two factors, one is the transmitting power of the wireless spectrum of the transmitting device, and the other is the transmitting frequency of the wireless spectrum.

　　According to reports, the laboratory prototype system of Wal-Mart’s air charging device is CotaTile, with the transmitting power of 20 watts, the receiving power of equipment at a distance of 1 meter is about 6 watts, and the receiving power of equipment at a distance of 2 meters is 2 to 3 watts, which can charge equipment at a distance of 10 meters at the farthest.

　　You can also see these wireless charging technologies.

　　In addition to this way of charging from a distance, there are many commonly used wireless charging methods.

　　Yan Huaizhi introduced that the first is electromagnetic induction technology wireless charging, also known as Qi standard wireless charging. At present, this method is mostly used for wireless charging of the latest models of Xiaomi, Huawei and Apple on the market. The user can put the mobile phone on the charging base to charge without charging cable.

　　Wei Zhiqing said that its working principle is that the wireless charging base and the mobile phone are respectively equipped with a transmitting coil and a receiving coil. By using electromagnetic induction, when they are close, the transmitting coil in the charging base is connected with alternating current to generate an alternating magnetic field, and the change of the magnetic field makes the receiving coil generate current, thus transferring energy from the transmitting end to the receiving end, that is, supplying power to the mobile phone from the charging base. The advantage of this method is that the charging efficiency is high, and the charging efficiency of smart phone can reach 80%. The disadvantage is that the charging distance is short, so it is usually necessary to put the phone close to the charging base.

　　Secondly, electromagnetic resonance wireless charging, which uses resonant devices to make the transmitter and receiver reach the same frequency, and the same resonant frequency is a necessary condition for energy transfer, and electromagnetic energy can be exchanged through magnetic resonance. Compared with electromagnetic induction, the advantage of this method is that there is no need to "cling". The charging distance of smart phones can reach 10 cm, but its charging efficiency is slightly lower, usually less than 70%.

　　In addition, there is wireless radio frequency technology, which uses space electric field as energy transmission medium and generates alternating current under the action of alternating electromagnetic field, thus realizing long-distance wireless transmission of electric energy. The advantage of this method is long charging distance, but the disadvantage is strong electromagnetic radiation and low conversion efficiency.

　　Although "wireless" is good, it faces many challenges.

　　"Compared with wired charging, the advantages of wireless charging are very unique, including the convenience of use, the security of transmission, the compactness of the device and the integration of the environment, but there are also many challenges, which are embodied in both technical and non-technical aspects." Yan Huaizhi said that technically, wireless charging involves technical problems such as wireless transmission of power signals, high-frequency conversion, coupling coil design, system collaborative control, electromagnetic shielding and electromagnetic interference. For example, although close-range RFID devices, smart phones, tablets, smart watches, hearing AIDS, etc., to long-distance drones and even spacecraft in space, they can be charged in the air. However, due to the principle of electromagnetic induction, any factors that damage or weaken the propagation of electromagnetic spectrum signals, such as electromagnetic shielding, insufficient power and unstable frequency, will have a fatal impact on it. On the non-technical level, there are problems such as high cost of wireless charging equipment, difficulty in unifying technical standards, and public doubts about electromagnetic radiation.

　　But he believes that these problems will be effectively solved with the further development of technology.

　　Wei Zhiqing added that the biggest problem of wireless charging is the low charging efficiency, which generally only supports 5W charging power, and the slightly faster charging power is only 7.5W. In addition, regarding the public’s concerns about the electromagnetic radiation that may be brought by wireless charging, it is necessary for enterprises and evaluation institutions to conduct rigorous experiments and extensive popularization of science, so as to dispel public concerns. Due to the wide charging range of wireless charging, it will have broad application prospects in the field of Internet of Things in the future.

The replacement of new energy sources with electricity is actually nothing new.

In 1896, Hartford Electric Light Company, born in Hartford, Connecticut, USA, introduced an electric van with replaceable batteries. The buyer only bought the vehicle, but did not include the battery, and then paid the charging and maintenance fee by mileage when using it.

The specific business model is that vehicles are sold to users by GeVeCo (a subsidiary of General Electric), and HELCO is responsible for holding and providing battery packs to consumers. As for users, they buy HELCO’s power exchange service in the form of monthly fee. From 1910 to 1924, HELCO’s power exchange service provided electric trucks with a cruising range of more than 6 million miles.

Nowadays, looking at the power exchange technology of new energy vehicles is more like a "technical revival" that lasted for nearly a hundred years. In the field of commercial vehicles, there are State Grid, Yutong Bus, Beiqi New Energy and other enterprises, while in the field of passenger cars, there are Weilai.

Today, most new energy vehicles have not yet achieved "separation of vehicles and electricity". In 2017, the technology of power exchange was explored, and the first power exchange station was put into operation in 2018. In more than six years, Weilai has built 2,435 power exchange stations nationwide. In these six years, many car companies only chose to follow up on a small number of models.

Even so, Weilai iterated the power station changing technology to the fourth generation. The fourth generation power station, which was officially launched in Guangzhou not long ago, comes standard with six ultra-wide-angle laser radars and four Orin X chips, and supports one-button automatic power exchange and independent power exchange when leaving the vehicle.

Compared with the previous generation, the speed of power exchange is increased by 22%, the fastest time is only 2 minutes and 24 seconds, the number of battery positions is increased to 23, and the maximum number of daily services can reach 480 times.

Moreover, the new power exchange station can also support multi-brand sharing power exchange, including Ledao, which makes many people daydream about the power exchange of more models.

However, in order to make more models have the ability to exchange electricity, it is necessary to build a large enough stage to introduce other car companies and ecological partners.

On November 21, 2023, Changan Automobile announced that it had reached a cooperation with Weilai, and the two sides would jointly research and develop battery-changing vehicles, battery-changing technologies and unified standards. Weilai’s battery-changing camp was expanded for the first time.

However, people’s real re-examination of this alliance may have originated from the dialogue between Li Bin and He Xiaopeng in early May this year. At that time, He Xiaopeng personally visited Li Bin and said that when Weilai replaced more than 5,000 power stations, he would consider joining the power exchange mode.

Soon after, FAW announced that it had reached a strategic cooperation with Weilai for charging and replacing electricity.

Today, the power exchange alliance has seven car partners, including Changan, Geely, Chery, Jianghuai, FAW, GAC and Lotus, as well as energy and power enterprises such as "Three Barrels of Oil", Shell, State Grid, China Southern Power Grid, Wanneng Group, Zhongan Energy, Contemporary Amperex Technology Co., Limited, Zhongchuang Singapore Airlines and Longji Green Energy, with considerable influence.

However, Yang Chao, assistant vice president of Weilai and head of energy product development, told Leifeng. com "New Smart Drive" more than once that Weilai hopes to realize the scale of power exchange infrastructure and share the power exchange mode with the whole China automobile industry, hoping that more brands will join the TV exchange family, so that more users can enjoy the more convenient experience of adding power than refueling.

The efficiency of energy supplement has always been an important factor for consumers to buy new energy vehicles. From the market feedback, the sales growth rate of plug-in hybrid extended-range new energy vehicles has also obviously accelerated.

According to the statistics of the Association, the sales volume of hybrid (including extended range) new energy vehicles in May this year was 308,773, a year-on-year growth rate of 61.1%; The sales volume of pure electric new energy vehicles was 495,825, with a year-on-year growth rate of 27.6%.

In Yang Chao’s view,The reason for the slowdown in the sales of pure electric vehicles is the fuel tank (energy replenishment efficiency).However, there are different technical paths for pure electric vehicles to improve the charging efficiency, such as overcharge +CTB(Cell To Body), battery replacement and so on.

The reason why Weilai set up a power exchange alliance and cooperated with many car manufacturers is actually that it hopes to conduct some benign discussions on the future development direction of pure electric vehicles.

At first, this kind of discussion only existed inside Weilai, focusing on several managers from the State Grid and some Weilai suppliers.However, after more than a year’s efforts, the leaders of all enterprises in the power exchange alliance have reached a consensus and will seriously consider this issue.

Yang Chao believes that this is only the first step, but even so, it has great positive significance:Because through Weilai’s efforts, at least more car companies will realize that what kind of energy supplement scheme pure electric vehicles will adopt in the future requires not only serious thinking, but also pre-research in the next generation of vehicles, and more importantly, how to realize applications more quickly in the current scenario, which will have a chain effect on the whole industry.

However, in his mind, he still has his own ideas about the form of changing power stations in the future.

He told Leifeng. com(WeChat official account: Leifeng. com)"New Smart Drive", just like gas stations, has formed a complete power exchange network in the whole country, which can be operated by the state, enterprises or third parties. The battery also has a set of standard system, and there are several different types of batteries to choose from for different models or mileage requirements. Under such a system, car companies develop models without unnecessary consumption of batteries.

On the contrary, car companies can carry out in-depth exploration in the dimensions of safety, application service, reliability, vehicle intelligence and automatic driving, and hand over the matter of energy replenishment to social resources to solve. Only in the specific practice process, Wei Lai’s team found that the choice of social resources-overcharge scheme can not solve the problem of power grid, nor can it solve the problem of sustainable development, and Wei Lai believes that changing electricity will be the "ultimate scheme" for new energy.

Of course, behind this kind of industry recognition, in fact, different manufacturers compete for battery standards.

In the communication with many car companies, Yang Chao was asked countless times such as "Tesla and BYD have no power exchange business, why others’ sales are very good". For Weilai, even if you tell these friends that your sales are really driven by the power exchange business, it is easy to be questioned.

Therefore, on the one hand, Weilai suggested that these friends conduct user surveys to see how many consumers chose Weilai out of the ability to change electricity.

On the other hand, it launched a new brand-Ledao. Since its birth, Ledao has been highly anticipated, because its sales will influence the promotion of power exchange technology to a certain extent.

Launching vehicle models is an important strategic layout for Weilai to verify and promote its power exchange mode, while the previous experience of fast pile filling shows from another angle that in order to speed up the promotion of a new technology, the most important thing is to formulate industry standards.

According to Yang Chao, Weilai, as an organizational unit or an important participant in China, has participated in the formulation of more than 30 power exchange standards, including the formulation of key standards such as safety, system composition and terminology interpretation.

In addition, Wei Lai also presided over the formulation of some IEC (International Electrotechnical Commission) standards together with State Grid. In IEC, it is rare for Chinese to preside over the formulation of standards.

Yang Chao explained that power exchange technology is a brand-new technology in Europe, and there is no specific standard. In order to ensure that all services meet local standards and regulations, Weilai and relevant European institutions jointly formulated industry standards, which gradually evolved into IEC standards.

Yang Chao said that all standards were originally formulated for safety reasons. Although there is a certain foundation in Europe at present, it is necessary to further strengthen this sense of existence to attract more European enterprises to participate in this process and jointly promote the improvement of standards.

Next, Weilai will further optimize the design of standards, integrate more excellent standards from different enterprises or institutions (such as China Power Research Institute and China Automobile Research Institute) for the market to choose from, and at the same time open its own Konw how to promote the unification and improvement of relevant standards for power exchange technology.

Yang Chao said,The establishment of many standards takes quite a long period. For example, the nature, size, capacity, connector, battery management, adaptability of the three power systems, etc., all need to take time to demonstrate and analyze.Different manufacturers in the alliance have their own design specifications, and if they want to reach an agreement, they need technical compromises.

"This is like a unified charging port for mobile phones. How many years did it take?"

Yang Chao said that it is not that anyone with a loud voice or a strong ability can complete it dramatically in a short time, but what Wei Lai can do is to verify it realistically and coordinate within the alliance until someone is willing (compromise). Just lean together as much as possible. Wei Lai hopes to prove that he can do it first and then help more people.

As we all know, whether it is a charging pile or a power station, the cost is often high when car companies directly participate in the operation. It is easier to "get what you need" with the help of social resources. According to Yang Chao, Weilai has already reached a cooperation with Zhongan Energy in Anhui Province to promote the construction of 1,000 storage, charging and exchange stations based on Anhui and radiating the Yangtze River Delta and the whole country.

The first power exchange station jointly built by Weilai and Zhongan Energy was officially launched in Luoji Service Area of G40 Hushan Expressway in Lu ‘an City, Anhui Province on June 13th, which is also the first Weilai fourth generation power exchange station launched in Anhui Province.

Yang Chao said that Weilai has been exploring the possibility of cooperation with the government. On the one hand, the operation and maintenance cost of changing power stations is high. On the other hand, besides economic benefits, Weilai has wider cooperation space with the local government and can get more policy or other support. Next, it may reach similar cooperation with the Wuhan Municipal Government.

Overseas, the layout of Weilai is also very suitable for the actual situation of the country.

For example, in Denmark, where the power grid construction is not perfect, the power exchange station originally used to serve the automobile business has also played a role in alleviating the pressure on the local power grid. By charging during the wave valley period and discharging during the peak period, many power exchange stations even achieved a profit of more than 4,000 euros per day. To this end, Weilai also specially adjusted the construction strategy of power exchange stations in Denmark, and built more power exchange stations in places where electricity consumption fluctuated to adjust the local electricity consumption situation.

In Hungary, Weilai was originally affected by the epidemic and the transportation cost was high, so it opened a local factory, and then completed some assembly tests of vehicles in China, and left the rest of the work to the Hungarian factory, which greatly reduced the cost.

Hungary was originally short of natural resources, so the government is very interested in the energy storage project derived from Weilai Power Exchange Station, hoping to further cooperate with Weilai, and Weilai also intends to promote the power exchange station integrating electricity exchange and energy storage to the whole of Europe through the pilot project with Hungary.

According to Yang Chao, Weilai has projects in Denmark, the Netherlands and Hungary, and has also cooperated with some universities in Germany.

As the batteries of the first batch of electric vehicles gradually reach the limit of service life, how to recycle and reuse the batteries reasonably has become the focus of the industry.

As an advocate of power exchange technology, Weilai will also face this problem directly, and the power exchange station, as a natural "battery maintenance center", can play a positive role in prolonging the service life of batteries through more reasonable and optimized management of battery storage environment and charging power.

According to Yang Chao, Weilai is currently promoting the life-cycle management technology of batteries to extend the service life of batteries as much as possible, and at the same time, it has also invested in research and development of technologies related to automatic disassembly and refined recycling of batteries to maximize the value of batteries. With the opening of the power exchange network, there are many stories told by Wei Lai to exchange electricity.

The original article of Leifeng. com is prohibited from being reproduced without authorization. See the instructions for reprinting for details.

Original Dr. Wang Cardiovascular Doctor Wang Cardiovascular Doctor Wang

Many friends on the Internet consulted Dr. Wang and said that they had heart surgery. What should they pay attention to in the future?

Dr. Wang: There are many heart operations. Please specify what kind of heart operations?

Cardiovascular medicine has developed rapidly, especially many heart diseases can only wait for death many years ago, but now they have developed to the point where they can change their hearts.

Different heart diseases will choose different heart operations. What is the difference between these common heart operations?

We still compare the heart to a high-tech house first, with waterways, circuits, frames, doors and windows, etc., but the house sometimes has to be repaired, so there are various heart operations:

1, the heart stent:

Minimally invasive surgery in internal medicine, the patient is completely awake and does not need surgery;

It enters from blood vessels and is used for coronary heart disease, that is, cardiovascular stenosis or blockage. Stents are used to support the narrow place, so it is called heart stent. Cardiac stent is a good surgical method for angina pectoris caused by sudden occlusion of blood vessels in acute myocardial infarction and uncontrollable drugs.

Coronary heart disease, whether stent or not, needs to adhere to a healthy life and take medicine!

For example, the water pipe in our house is blocked, so we open it first, and then put a mesh shelf in the blocked pipe to prevent it from being blocked again.

2, heart bypass:

In surgery, patients need general anesthesia and even cardiac arrest;

Take a few blood vessels from other parts of the body and sew them on the heart, which is also used for coronary heart disease, that is, if the blood vessels are narrow or blocked, they are not suitable for stents, and they can be bridged to establish a new channel for blood supply. Most heart bypass operations also require thoracotomy.

After bypass surgery, you also need to take drugs for coronary heart disease for a long time and live a healthy life!

For example, the water pipe in our house is blocked, but we can’t open it. What should we do? Build a new pipe to pass water.

3. Pacemaker:

Medical surgery, patients with local anesthesia, need to open a small incision;

It’s just that the heart beats too slowly, and if there is no way to control it, it will faint and die, but the blood supply and ejection function of the heart are ok. Simply put, the heart’s own battery is not working. Put an artificial battery to power the heart and make it beat normally. There is also a pacemaker for the treatment of heart failure, which says heart transplantation, but after all, it costs a lot and there are few donors, but people with advanced heart failure also need treatment. There is a three-chamber pacemaker for the treatment of heart failure, which belongs to internal medicine treatment.

After ordinary pacemaker surgery, it is necessary to check regularly every year to see if the pacemaker works normally, monitor whether the battery is charged, and do not need to take medicine after the heart rate is slow; Three-gun pacemaker, simply understood, is to make the heart beat more normally, and drugs for heart failure need to be taken regularly.

For example, our house was cut off and we bought a generator, but this generator can only be used for 8 years, so we have to replace it.

4, cardiac radiofrequency surgery:

Keywords internal surgery, minimally invasive, vascular operation;

It says that the heart rate is too slow. You can use a pacemaker to treat it. Install a battery. But the heartbeat is chaotic, that is, the circuit in the heart is broken, and the heart is always jumping or beating too fast, so try to burn this circuit short with electricity, which is the radiofrequency ablation of the heart. Burn the extra road, the heart can only beat according to the normal route and return to normal.

Radio frequency surgery, some heart diseases with fast heartbeat can be cured, no need to continue taking medicine!

It’s like the circuit in our house is out of order. Let’s rearrange it.

5, cardiac occlusion:

It belongs to minimally invasive surgery in internal medicine. One is that the left atrial appendage is a method to treat atrial fibrillation with thrombosis. Atrial fibrillation is prone to thrombosis, and cerebral infarction will occur when the thrombus falls. We try to plug the place where the thrombus forms, so that the thrombus will not fall and the cerebral infarction will not occur.

After operation, it is necessary to monitor whether the heart rhythm recurs and take anticoagulants for a period of time.

There is also a congenital heart disease, which is more common in young children. After birth, it is found that there is a hole in the wall of the heart, and some people try to mend it.

For example, there is a leak in the house, and we try to plug it with something.

6, heart transplantation, heart change:

It should be the biggest operation among all heart operations. You can understand that it is very high-tech to cut off the patient’s heart and transplant another heart to the patient. It also needs a heart provider. It is a very big operation, and the cost is relatively expensive. There are also a certain number of heart providers. People who generally need a heart change are mostly in the late stage of heart failure, and the drugs are basically ineffective, but other organs are not bad and young, so they will consider a heart change.

This is easy to understand, the house is not working, change the house!

These are several common cardiac operations. The development of various cardiac operations has improved the symptoms of many patients and extended the life span of many patients, but again, many diseases can be prevented.

The best treatment is not surgery, but prevention!

[Copyright of Dr. Cardiovascular King]

Original title: "What are the differences between the six most common heart operations? Let the doctor explain it clearly once in plain Chinese! 》

Read the original text

GAC Trumpchi E8 is sure that everyone is not unfamiliar with it. Since its listing, this car has quickly become an absolute hit in the 200,000-class new energy MPV market. To some extent, it has formed a very large competitive pressure on the Odyssey under the same GAC. On various platforms, the E8 is often used for direct comparison with the Odyssey.

Boss, the Trumpchi E8 new energy information you want.

Not long ago, Trumpchi E8 launched a new version, called the glory version. This glory version is completely different from BYD’s glory version. Compared with the original plug-in version E8, the biggest change of the E8 glory version is that it replaces the entire power system. The original is a 2.0LPHEV plug-in system, and the glory version has become a 2.0L oil mix system. The price has also changed compared to the plug-in version. The new car is now priced at 16.68-17 9,800 yuan.

So for this new version of Trumpchi E8, the price has changed, and the power system has also changed. How should I choose between its two versions?

As mentioned earlier, the biggest change in the Trumpchi E8 Honor Edition is its power system. In fact, to be fair, this oil mixing system is actually quite interesting. First of all, the engine is the same as the plug-in hybrid version, or the hot topic efficiency 2.0L self-priming hybrid special engine, with a maximum horsepower of 140 horsepower. Let’s not say that its engine power is not good, let’s read it down first.

This car is equipped with a front 182 horsepower single motor, and the 140 horsepower of the engine adds up to a maximum output of 322 horsepower, which is not weak at all. You may think it is strange when you see this. Don’t oil-mixed cars use the engine as the main force, and the motor is generally very small in horsepower? Why is the motor of the E8 Honor Edition so powerful?

In fact, what’s more interesting is that if you just look at the whole power system, you will find that whether it is engine horsepower or motor horsepower, it is almost no different from the plug-in hybrid version. To put it bluntly, the overall structure of the oil-mixed system on the Honor version is similar to that of the plug-in hybrid version, with only two changes: first, because this is an oil-mixed system, its battery is much smaller than the plug-in hybrid version (which is also the source of its cost reduction and car price reduction), and secondly, because it is an oil-mixed and the battery is small, it cannot be charged directly with a charging pile like a plug-in hybrid. The logic of the entire electronic control system is also a typical oil-mixed logic. In other words, its high-power motor and small battery necessarily mean that the car does not have much pure battery life. It is a very typical oil-mixed car working mode.

However, according to the official data of GAC Trumpchi, the WLTC comprehensive fuel consumption of this car can also achieve 5.58L, and the comprehensive cruising range is not mentioned, but the fuel tank of this car is 60L, and as a fuel hybrid car, the actual fuel consumption is very close to the official standard data (the fuel hybrid car does not have any feed fuel consumption), so this car can actually calculate the actual cruising range of at least 700 kilometers.

The Trumpchi E8 Honor series is divided into two versions, namely the 166,800 Zhizai version and the 179,800 Honor version. These two versions are completely consistent in terms of body size, wheelbase, etc. Equipped with the oil mixing system introduced above, the front McPherson rear torque beam suspension has not changed, but the appearance can still distinguish these two versions, low with front and rear 17-inch wheels, high with front and rear 18-inch wheels.

In addition to the above, there is naturally no difference in the basic configuration such as basic airbags. The price difference between the two versions 13,000 is actually mainly reflected in the intelligent driving system. Highly equipped with a full-featured L2 auxiliary driving system, all mainstream L2-level functions are available, but limited by positioning, this L2-level system does not have any NOA autonomous driving function.City NOAOf course, there is no high-speed NOA. And the L2 system has no low-end configuration at all, so it can be said that the existence of the L2 system is the most obvious configuration difference between the two versions.

Of course, they also have some other configuration differences, such as high with electric tailgate and low with no, high with LED daytime running lights, low with no daytime running lights, the structure of the E8 car does not have a panoramic sunroof, but high with front and rear segmented multiple sunroof, low with only one sunroof in the front row. Of course, high with front sound insulation glass low with no, high with induction wipers low with full manual wipers, high with front with 50W mobile phone wireless charging board low with no at all, high with front seats with heating and ventilation, low with no, high with front co-pilot electric seat, low with co-pilot please adjust manually. High with second row with zero gravity seat, low with no.

Boss, the Trumpchi E8 new energy information you want.

To put it simply, the two versions are actually very different in configuration. Obviously, Trumpchi’s positioning for these two versions is very clear. If you are buying a car for home use, it is natural that you should choose a high-end model. After all, the low-end model lacks too many configurations, and these missing configurations are quite important for home use.

But can you say that the low-end car has no purchase value? No, no, the low-end car is actually for business reception purposes. To put it bluntly, it is bought by the rental car company as a reception car, or the company buys it as a company reception car. People with this purpose are very sensitive to price. On the contrary, configurations such as L2 system, zero gravity seats, and whether there is double-layer sound insulation glass in the front row are not important to the needs of business. Anyway, this kind of use is basically driven by a full-time driver.

In fact, we believe that there is still room for adjustment in the price of the low-end version, or Trumpchi actually has the relevant price of government and enterprise vehicles for the low-end version of this car. After all, its low-end version seems to be tailor-made for government and enterprise vehicles.

Seeing this, you will naturally recall the Odyssey, which is an old rival of the E8 car series. In fact, to put it bluntly, these two cars have a history. But since the E8 is now directly competing against the Odyssey, let’s briefly talk about how it and the Odyssey should be selected.

In fact, it is also very simple. The appearance difference between the E8 Honor Edition and the Odyssey is very obvious. If it is a more composed style, then the Odyssey is the first choice. If you prefer a young maverick, then the E8’s headlights can also satisfy you. The appearance alone is actually enough for consumers to make a choice.

As for the low-end version of the E8 Honor Edition, as I just said, this version is for government and enterprise use, and it does not need to compete with other competitors.

One Shen Teng and the other Jason Wu have become historic actors in Chinese film history, but Jason Wu’s box office appeal is even more abnormal.

It’s not difficult for The Battle at Lake Changjin to break 4 billion, and many platforms predict that it will become the next 5 billion box office movie.

Behind Jason Wu, there are Changjin Lake 2, Wandering Earth 2 and War Wolf 3. Once these three films are released, as long as the quality is equal to or slightly better than the previous ones, the box office will be high.

At that time, Jason Wu was definitely the "One Super" in the six Mesozoic Era, while others were "How Strong". Although he is now the "One Super", what will happen to Jason Wu’s status and influence after The Battle at Lake Changjin?

The flattery of other stars, the change of other capital and the enthusiasm of other stars can show Jason Wu’s status.

He created a military action film, which revived China’s sci-fi film Dirty Land and made the Chinese values in Chinese-language films recognized.

Let the main theme return to the C position of mainstream movies, turn the rational trend of bad movies into word of mouth, and let middle-aged and elderly people enter the cinema.

Before that, Zhang Ziyi was an international chapter, and there were few opportunities for Jason Wu to be on the same stage with her, because their coffee tables were very different.

However, after Jason Wu reached the top of the box office champion in China’s film history and became Mr. Billion Box Office with two films, Wolf Warriors 2 and The Wandering Earth, Jason Wu completely turned over and became a big shot.

During the publicity of "My Father and I", Zhang Ziyi was a "Jingge", and he was very kind. Maybe he didn’t even look at Jason Wu before.

At that time, Jason Wu played a brilliant supporting role in "kill the wolf", and it was just a short time before Donnie Yen and Jason Wu could be compared.

Therefore, the discussion about the street fighting between him and Jason Wu in kill the wolf is not very hot, but after 2017, the street fighting has an unprecedented flow.

The media kept asking questions, and Donnie Yen kept responding, and even used it as an explosive stalk in the Tucao Conference.

At the beginning of the 20th century, there were also TV dramas with high popularity, such as Fengyun, come drink with me and The Legend of Wu Mei Niang.

It was only later that he "made" his own superstar road. After Jason Wu’s fire, he was all kinds of enthusiasm, and the manuscript said that he starred in War Wolf 3.

All three of them used to be bigger than Jason Wu, but now they have become the beneficiaries of Beijing.

After Hero, commercial films appeared on the historical stage, and various blockbusters emerged one after another. Golden Flower in the City and Banquet were the mainstream of that period.

After Xú Zhēng’s "Embarrassment of Thailand" became the first domestic comedy in China to break 1 billion, the comedy became a big hit, dominating the domestic box office for ten years, and the heat is still there.

After "Wolf Warriors" became a dark horse, China added a new genre of military action movies, and the "country" in the world became a box office panacea.

After the release of The Wandering Earth, the box office kept rising due to its good reputation, and domestic sci-fi films gave the audience hope, although "Shanghai Fortress" almost failed the "Hundred-day Innovation of Sci-fi Films".

Fortunately, The Wandering Earth has brought many special effects talents to China films, and "home" in the world has also become a box office medicine.

Those who commit crimes against China will be punished far away; Home is our root. Even if the earth is in danger, we will not run away, but wander with it.

This kind of values that every mainlander has carved in his bones since childhood is not comparable to Tsui Hark’s "Taking the Tiger Mountain Outward" and Lin Chaoxian’s "operation mekong" and Operation Red Sea’s.

Bad movies, dogma and rigidity are all synonymous with it. As soon as the audience sees it, they want to poke their eyes and ask people around them for a pair of eyes that have never seen the film at a high price.

Thematic blockbusters such as "The Founding of the People’s Republic of China" and "beginning of the great revival" are rare, and the reputation at that time was not very ideal, and the popularity was also supported by the luxury version of the star lineup.

Even if there are no big names and stars, they can have a high popularity, such as "1921" and The Pioneer.

Later, My People，My Country and My People My Homeland are rare scenes to reproduce word-of-mouth and box office in Qi Fei.

This is a good thing that Huang Jianxin couldn’t even think about before, and it is also a booster for the country to try to reverse people’s public opinion.

The appearance of "Wolf Warriors 2" broke the rule that bad movies have high box office, and the hammer’s "to the sky kingdom" could not find the north, which also made "to the sky kingdom" a stepping stone for good money to drive out bad money.

This stone "Beijing" has caused a thousand waves of China movies, and word of mouth has become the most important thing to measure the quality of movies, but the number of stars is no longer important.

Jason Wu-based large-scale production of main theme blockbusters has made many people who have rarely set foot in cinemas in the 1960s and 1970s become frequent visitors to cinemas again, increasing the audience of movies.

He, like Jackie Chan, is a favorite actor of CCTV. Last Spring Festival Gala, he definitely won the C position. At the same time, Jason Wu and Jackie Chan will encounter new troubles, and they may never play the villain, so they all have to be positive images.

This may be a pity for the fans, because they will never see kill the wolf, Wei Cheng, Handsome, and True Men again.

　　From January 1 next year, the "late payment fee" for bank credit cards will be cancelled, and the overdraft interest rate can be up to 30%, and the interest-free repayment period may exceed 60 days. This is undoubtedly full of benefits for people who often use credit cards.

　　In April this year, the Notice on Matters Related to Credit Card Business issued by the Central Bank (hereinafter referred to as the "new regulations") will be implemented the day after tomorrow. Recently, the Beijing Morning Post reporter investigated the credit cards of many banks and found that most bank credit card centers have posted relevant implementation announcements, while some banks have begun to implement some new policies.

　　The new regulations have increased the market pricing attributes of credit cards and made the rights and interests of credit cards more diversified. In the future, when consumers use credit cards, they can shop around and choose the card that suits their card habits.

　　1 overdraft interest rate changed to 0.035% to 0.05%.

　　"The bank has changed the overdraft interest rate to the range of 0.035% to 0.05%, and it will be implemented from January 1 next year." The staff of the Credit Card Center of Guangfa Bank told the Beijing Morning Post that from January 1 next year, if the cardholder touches the overdraft interest rate, it will be implemented in accordance with the new regulations. Cardholders with different comprehensive credit background will also enjoy differentiated overdraft interest rates. The reporter’s investigation found that at present, banks generally adjust overdraft interest rates to the range of 0.035% to 0.05%.

　　In fact, if the cardholder fails to repay on time after using the credit card, he needs to pay the interest according to the overdraft interest rate stipulated by various banks. Banks generally stipulate that the number of days to pay interest is from the date of cardholder’s consumption to the date of return.

　　According to the new regulations of the central bank, the upper limit of credit card overdraft interest rate is 0.05% and the lower limit is 0.7 times of the upper limit. The method of calculating and settling interest on credit card overdraft, whether to calculate and pay interest on credit card overpayment and its interest rate standard shall be determined by the bank.

　　Before the implementation of the new regulations, there was no floating space for overdraft interest rates, and the interest rates implemented by banks were generally 0.05%. For the overpayment, at present, all banks basically do not pay interest, but in the future, for the sake of competition, some banks may break this "convention".

　　The central bank said that at present, the risk control ability and pricing ability of credit cards of various card issuers are uneven, and guidance on the upper and lower limits of interest rates is conducive to preventing individual card issuers from blindly reducing prices and fighting price wars. "Under the current situation that the information disclosure mechanism needs to be strengthened, setting an overdraft interest rate ceiling is conducive to preventing individual card issuers from unreasonably charging excessive interest and protecting the legitimate rights and interests of cardholders."

　　The interest-free repayment period is determined by the card issuer.

　　According to the new regulations of the central bank, the conditions and standards for cardholders to enjoy the interest-free repayment period and the minimum repayment amount for overdraft consumption are determined by the card issuer. Previously, the central bank stipulated that the maximum interest-free repayment period of credit cards was 60 days, and the minimum repayment amount in the first month should not be less than 10% of the overdraft balance of the month.

　　Dong Zheng, a senior credit card expert, said that this means that there may be 90-day interest-free products for bank credit cards in the future. When cardholders choose credit cards, they may compare them in this respect. For small banks, such products can increase their competitiveness.

　　In the reporter’s investigation, it was found that most banks still maintain an interest-free period of up to 60 days. However, for the minimum repayment amount, some banks have indicated that it will be implemented according to 5% or 10% of the overdraft balance of the month.

　　The central bank said that the previous regulations made card issuers lack flexibility and space for differentiated services to customers at different levels, which was not conducive to independent innovation and service improvement by card issuers. The new regulation cancels the above restrictions, aiming at giving card issuers more independent decision-making space. Card issuers can flexibly combine the interest-free repayment period and the minimum repayment amount according to their own business strategies and the risk level of cardholders, providing cardholders with diversified choices and forming a market structure with dislocation competition and complementary advantages.

　　3. Exceeding the credit line shall not be charged with exceeding the limit fee.

　　If when you use a credit card, in a billing cycle, the accumulated amount of credit line exceeds the credit line actually approved by the card on the billing date, you have to pay a certain percentage of the excess fee in the past. However, according to the new regulations of the central bank, if the card issuer provides card services that exceed the credit line, it shall not charge the over-limit fee.

　　In the reporter’s investigation, it was found that many bank credit cards have cancelled the over-limit fee. CITIC Bank said that the bank will cancel the "credit card over-limit fee" service item from June 1, 2013, and will continue to adopt the free strategy. In September this year, China Merchants and other banks cancelled the credit card over-limit fee. Banks such as Shanghai Pudong Development Bank, Shanghai Communications Bank and Ping An Bank said that they would cancel this charging item from New Year’s Day next year.

　　As for the prohibition of charging over-limit fees, the central bank said that at present, card issuers have been able to automatically control transactions exceeding the credit line through technical means, and the purpose of covering costs and risks can also be achieved by charging interest on over-limit overdrafts. Therefore, it is forbidden for card issuers to charge cardholders over-limit fees to standardize the service charges of card issuers.

　　4 Cancel the agreement on whether to collect liquidated damages.

　　According to the new regulations of the central bank, the late payment fee for credit cards will be cancelled. For the cardholder’s overdue repayment, the card issuer should agree with the cardholder whether to collect liquidated damages through agreement, as well as the relevant collection methods and standards. In addition, the card issuer shall not charge interest on the service fees such as liquidated damages, annual fees, cash withdrawal fees and currency exchange fees charged to cardholders. This new regulation is regarded by the industry as the most influential one in the Notice.

　　The reporter’s investigation found that at present, most banks have cancelled the late payment fee and increased the amount of liquidated damages. At present, the penalty imposed by most banks is "5% of the unpaid minimum repayment amount", which is consistent with the previous late payment policy.

　　Dong Zheng said that changing "late payment fee" to "liquidated damages" is not just a change in name. Late payment fees are more "administrative", while "liquidated damages" are more negotiable. And compared with the interest charged for the overdue fine, the service fees such as liquidated damages will not be charged with interest.

　　Take ICBC as an example. In its announcement, it is stated that the liquidated damages are "charged at 5% of the unpaid minimum amount, with a maximum of 500 yuan RMB or HK$ 500 or MOP 500 or US$ 100 or Euro100 per period (the remaining foreign currency accounts are charged at a maximum of US$ 100 equivalent in foreign currency) or as agreed".

　　In addition, the reporter found that banks have different regulations on the minimum amount of liquidated damages. Among them, Guangfa, CITIC and other banks charge 20 yuan the lowest penalty, while banks such as transportation and investment promotion charge 10 yuan the lowest penalty.

　　5 The cash withdrawal amount is raised to a maximum of 10,000 yuan per day.

　　From the day after tomorrow, the amount of cash withdrawal by credit card will be raised to a maximum of 10 thousand yuan per day. According to the new regulations, cardholders can obtain the funds within the cash limit of credit cards in cash through self-service machines such as counters and automatic teller machines (ATMs), and the accumulated amount of each card should not exceed RMB 10,000 per day.

　　In fact, the current daily accumulated RMB per card is only 2000 yuan. The central bank said that for other cash advance business limits, the card issuer will independently agree with the cardholder through an agreement according to the business strategy, the cardholder’s risk level and the limit setting requirements.

　　Not only that, the new regulations also stipulate that card issuers can decide whether to provide cash recharge service and agree with cardholders on the daily limit of each card, but they are not allowed to transfer the funds within the cash limit of cardholders’ credit cards to other credit cards or non-cardholders’ bank settlement accounts or payment accounts.

　　In the reporter’s investigation, it is found that most banks still retain the credit card transfer function, but some banks have suspended the credit card transfer function.

　　■ correlation

　　Double-label credit cards will gradually withdraw from the market next year.

　　In addition to the changes brought by the new regulations to credit card holders, the withdrawal of dual-label cards will also affect the use of cardholders to some extent. In November, the central bank held a meeting on the issuance management of foreign currency single-label cards and double-label cards, and decided to suspend the issuance of double-label cards in the future, and the expired double-label cards will also become single-label cards.

　　Dual-label cards that have been circulating in China for 14 years, as well as "China UnionPay+Overseas Card Organization", are regarded as "deformed children" by the industry, and will gradually withdraw from the historical stage of China in the future.

　　People familiar with the matter said that the central bank reiterated the withdrawal of dual-label cards in this meeting, and stressed that banks should not release new products of dual-label cards, but the dual-label cards currently in use can still be used, but the expired dual-label cards can only become single-label cards operated by only one card organization.

　　"It is not overnight for the central bank to stop the double-label card." Dong Zheng said that the central bank had repeatedly asked the dual-label card to withdraw from the market. "The central bank reiterated that it is likely to pave the way for overseas card organizations to enter the China market next year."

　　Many cardholders feel a little troublesome when they spend money abroad. However, Dong Zheng said that double-label credit cards are generally magnetic stripe cards, which are not as safe as single-label cards of chips.

　　In addition, some insiders suggest that people who often go abroad can carry three single-label cards, one UnionPay, one Visa and one MasterCard, of which one is "full currency".

　　This edition is written by Beijing Morning Post reporter Jiang Fan.

CCTV News:According to the website of the National Natural Science Foundation of China on April 12th, recently, after investigation and deliberation by the Supervision Committee of the National Natural Science Foundation of China and examination and approval by the Committee meeting of the National Natural Science Foundation of China, the National Natural Science Foundation of China has dealt with the subjects involved in related scientific misconduct cases. Now, according to the relevant regulations, the relevant case and handling results will be notified.

　　1. The Supervision Committee of the National Natural Science Foundation of China conducted an investigation on the suspected academic misconduct of Beijing Jianzhu University.

　　After investigation, an online meeting was organized in 2022, and relevant personnel were arranged to collect information on possible fund project evaluation experts. After the meeting, some experts were contacted by the season and others. In 2023, Ji asked a number of potential evaluation experts for the key projects (not funded) he applied for by telephone, SMS and WeChat.

　　There is a problem that interferes with the evaluation order of fund projects in Ji, which violates the agreement in the Commitment Letter of Applicants and Participants of National Natural Science Foundation Projects, and Ji should be responsible for the above problems.

　　After deliberation at the second session of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to follow Article 44 (1) and (4) and Article 50 (2) of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects. Cancel the application and participation qualification of seasonal national natural science foundation projects for 3 years (December 26, 2023 to December 25, 2026), cancel the evaluation qualification of seasonal national natural science foundation projects for 5 years (December 26, 2023 to December 25, 2028), and give seasonal informed criticism.

　　2. The Supervision Committee of the National Natural Science Foundation of China investigated Yang Lijun’s alleged academic misconduct.

　　After investigation, in the process of applying for the key projects of the National Natural Science Foundation of China for two consecutive years in 2022 and 2023 (both of which were not funded), Yang Lijun asked a number of potential evaluation experts for help by sending emails.

　　Yang Lijun had the problem of asking many possible experts for help for many years, which violated the agreement in the Commitment Letter of Applicants and Participants of the National Natural Science Foundation Project. Yang Lijun should be responsible for the above problems.

　　After deliberation by the Supervision Committee of the Sixth National Natural Science Foundation of China at the second meeting and approval by the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to cancel Yang Lijun’s qualification to apply for and participate in the application of the National Natural Science Foundation of China for three years (from December 26th, 2023 to December 25th, 2026) and give Yang Lijun informed criticism.

　　3. The paper "Jiang" published by the Supervision Committee of the National Natural Science Foundation of China on Chengjiang of Ningxia Medical University
Cheng#, et al. Isovitexin modulates autophagy in Alzheimer’ s disease
via miR-107 signalling. Translational neuroscience. 2022; 13:
407. (Indicate fund number 81960245). "Suspected of academic misconduct conducted an investigation.

　　After investigation, there are some problems in the papers involved, such as buying and selling experimental research data, using others’ signatures without consent, and marking fund projects in scientific research achievements unrelated to science fund projects. Cheng Jiang, the first author, should be responsible for the above problems. In addition, Cheng Jiang included the paper in the progress report of the fund project (approval number 81960245), and Cheng Jiang should also be responsible for this problem.

　　After deliberation at the second session of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China, and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided that according to Article 47, Article 42, Item 2, Article 43, Items 1 and 8, and Article 46 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation Projects, The project of Chengjiang National Natural Science Foundation "TfR1′ s Regulation Mechanism on Mitochondrial Endomembrane Protein frataxin in Neurodifferentiation of Alzheimer’s Disease -iPS Cells" (approval No.81960245) was cancelled, the allocated funds were recovered, and the project application and participation qualification of Chengjiang National Natural Science Foundation were cancelled for five years (from December 26th, 2023 to December 25th, 2028), and it was given to Chengjiang informed criticism.

　　4. The Supervision Committee of the National Natural Science Foundation of China published the paper Xiao by Wang Xiao and Chen Zheling of Hangzhou Medical College.
Wang#, Zheling Chen*, et al. Identification of FOXN4 as a tumor
suppressor of breast carcinogenesis via the activation of TP53 and
deactivation of Notch signaling. Gene. 2020,722:
144057. "(marked with fund number 81802623) was investigated for alleged academic misconduct.

　　After investigation, it was found that the papers involved were bought and sold, and their signatures were used without the consent of the two co-first authors. Wang Xiao, the first author of the papers, and Chen Zheling, the correspondent, should be responsible for the above problems.

　　After deliberation by the Supervision Committee of the Sixth National Natural Science Foundation of China at the second meeting and examination and approval by the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to cancel Wang Xiao’s qualification to apply for and participate in the project of the National Natural Science Foundation of China for five years (from December 26, 2023 to December 25, 2028) in accordance with Article 47, Item 2 of Article 42 and Item 1 of Article 43 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation of China.

　　Decided to cancel Chen Zheling’s NSFC project "Study on the Mechanism of Rho Mediating Breast Cancer Invasion and Metastasis by Regulating MYH9" (approval No.81802623), recover the allocated funds, and cancel Chen Zheling’s NSFC project application and participation qualification for 3 years (December 26, 2023)

　　5. The Supervision Committee of the National Natural Science Foundation of China conducted an investigation on two papers published by Zhang Zhongqiang and Tan Xiao of Central South University, which were suspected of academic misconduct. The papers involved were as follows:

　　Paper 1: zhongqiang
Zhang, Xiao Tan, JingShan Tong*, et al. The miR-30a-5p/CLCF1 axis
regulates sorafenib resistance and aerobic glycolysis in hepatocellular
Carcinoma. Cell Death & Disease, 2020, 11 (10): 1-14. (The fund number is 81900371).

　　Paper 2: Xiao
Tan, Zhongqiang Zhang, et al. Tim-4 promotes the growth of colorectal
cancer by activating angiogenesis and recruiting tumor-associated
macrophages via the PI3K/AKT/mTOR signaling pathway. Cancer Letters,
2018, 436: 119-128.

　　After investigation, it is found that some of the pictures in Paper 1 are the same as those in many papers of different personnel in many units, but they represent different meanings. The pictures involved are from a third party, so there is a problem of plagiarism in the paper. There are some problems in paper 2, such as improper manipulation of pictures and chaotic use of pictures. Zhang Zhongqiang, the first author of Paper 1, Tong Jingshan, the correspondent, Tan Xiao, the first author of Paper 2, and Tong Jingshan, who provided the pictures involved, should be responsible for the objective results of the problems in the paper respectively.

　　In addition, Zhang Zhongqiang included Paper 1 in the progress report and application form of the fund project (approval number 81900371), and Tan Xiao included Paper 2 in the application form of the fund project (approval number 82002616). Zhang Zhongqiang and Tan Xiao should also be responsible for this issue respectively.

　　After deliberation at the second meeting of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to follow Articles 47, 40 and 46 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects. Cancel the project of Zhang Zhongqiang’s National Natural Science Foundation "Study on the Function and Mechanism of mono-DCs, a MBV Regulatory Receptor Containing IL-33, in Inhibiting Chronic Rejection of Heart Transplantation in Mice" (approval No.81900371), recover the allocated funds, cancel Zhang Zhongqiang’s application for the National Natural Science Foundation and participate in the application for five years (from December 26th, 2023 to December 25th, 2028), and give it to Zhang Zhongqiang’s informed criticism.

　　According to Article 40 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation of China, it was decided to cancel the project of Tan Xiao National Natural Science Foundation "Study on the Mechanism of BET Degradation Agent Improving the Therapeutic Effect of Colorectal Cancer by Inducing DR5-dependent Cell Killing and Anti-tumor Immunity" (approval number 82002616), recover the allocated funds, and cancel the application and participation qualification of Tan Xiao National Natural Science Foundation for five years (from December 26, 2023 to December 25, 2028).

　　6. The Supervision Committee of the National Natural Science Foundation of China investigated two papers related to Tong Jingshan of Xuzhou Medical University (who worked in Xuzhou Medical University after returning to China) for alleged academic misconduct. The papers involved are as follows:

　　Paper 1: zhongqiang
Zhang, Xiao Tan, JingShan Tong*, et al. The miR-30a-5p/CLCF1 axis
regulates sorafenib resistance and aerobic glycolysis in hepatocellular
Carcinoma. Cell Death & Disease, 2020, 11 (10): 1-14. (The fund number is 81900371).

　　Paper 2: Xiao
Tan, Zhongqiang Zhang, et al. Tim-4 promotes the growth of colorectal
cancer by activating angiogenesis and recruiting tumor-associated
macrophages via the PI3K/AKT/mTOR signaling pathway. Cancer Letters,
2018, 436: 119-128.

　　After investigation, it is found that some of the pictures in Paper 1 are the same as those in many papers of different personnel in many units, but they represent different meanings. The pictures involved are from a third party, so there is a problem of plagiarism in the paper. There are some problems in paper 2, such as improper manipulation of pictures and chaotic use of pictures. Zhang Zhongqiang, the first author of Paper 1, Tong Jingshan, the correspondent, Tan Xiao, the first author of Paper 2, and Tong Jingshan, who provided the pictures involved, should be responsible for the objective results of the problems in the paper respectively.

　　After deliberation by the Supervision Committee of the Sixth National Natural Science Foundation of China at the second meeting and examination and approval by the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to cancel Tong Jingshan’s application and participation in the application for the National Natural Science Foundation of China for five years (from December 26, 2023 to December 25, 2028) and give him informed criticism.

　　7. The Supervision Committee of the National Natural Science Foundation of China published the paper "Ming" by Li Ming of Tongji University.
Li, et al. Overexpression of miR-499-5p inhibits non-small cell lung
cancer proliferation and metastasis by targeting VAV3[J]. Scientific
Reports. 2016; At 6:23100. (marked with fund numbers 81372175 and 81172229), an investigation was conducted on suspicion of academic misconduct.

　　After investigation, there are some problems in the papers involved, such as confusion in the use of pictures, such as duplication within pictures or between pictures, inability to provide all original data, unauthorized marking of other people’s science fund projects, unauthorized use of other people’s signatures, and false correspondence authors and co-authors In addition, another retraction paper by Li Ming (Li
M, et al. PART1 expression is associated with poor prognosis and tumor
recurrence in stage I-III non-small cell lung cancer. J. Cancer 2017;
8(10): 1795-1800.) There are also problems of marking other people’s science fund projects without authorization and using other people’s signatures without consent. Li Ming should be responsible for the above problems.

　　After deliberation by the Supervision Committee of the Sixth National Natural Science Foundation of China at the second meeting and examination and approval by the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to cancel Li Ming’s project application and participation qualification for five years (from December 26, 2023 to December 2028) according to Articles 47, 40, Item 5 of Article 42 and Item 1 and Item 6 of Article 43 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation of China.

　　8. The Supervision Committee of the National Natural Science Foundation of China conducted an investigation on two papers published by Shen Sining of Zhengzhou University, which were suspected of academic misconduct. The papers involved were as follows:

　　Paper 1: Si-Ning
Shen*, et al. Down-regulation of long noncoding RNA PVT1 inhibits
esophageal carcinoma cell migration and invasion and promotes cell
apoptosis via microRNA-145-mediated inhibition of FSCN1. Mol Oncol.
2019; 13(12):2554-2573. (Note the fund number 81201954)

　　Paper 2: Si-Ning Shen *, et al.
Silencing lncRNAs PVT1 Upregulates miR-145 and Confers Inhibitory
Effects on Viability, Invasion, and Migration in EC. Mol Ther Nucleic
Acids. 2020; 19:668-682. (Mark fund number 81201954)

　　After investigation, two papers were repeatedly published and tampered with experimental research data and charts; There are also problems of marking other people’s science fund projects without authorization and listing others as paper authors without authorization. Shen Sining, the first and correspondent of two papers, should be responsible for the above problems.

　　After deliberation at the second meeting of the sixth National Natural Science Foundation Committee and examination and approval at the 21st Committee meeting of the National Natural Science Foundation Committee in 2023, it was decided to cancel the application and participation qualification of the National Natural Science Foundation of Shen Si Ning for five years (from December 26, 2023 to 2022) in accordance with Articles 47, 40, Item 1 of Article 42 and Item 1 and Item 6 of Article 43 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects.

　　9. The Supervision Committee of the National Natural Science Foundation of China conducted an investigation into Wu Yu’s alleged academic misconduct in Fujian Medical University.

　　After investigation, Wu Yu obtained some experimental data and pictures of others in academic exchanges. When writing his application for fund projects in 2023 (application number: 8237100127), he directly marked other people’s experimental data and pictures as experimental results related to the applied projects and wrote them into the application as "research basis". Wu Yu has the problem of copying other people’s research results and forging the research basis of the application, and should be responsible for the above problems.

　　After deliberation at the second meeting of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided that according to Article 40 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation Projects, Wu Yu’s application for the 2023 National Natural Science Foundation Project "Exploring the Regulation Mechanism of ERK1 and ERK2 on YAP in Thyroid Cancer" (application number 8237100127) was cancelled, and Wu Yu’s application and participation in the application for the National Natural Science Foundation Project were cancelled for five years (from December 26th, 2023 to December 25th, 2028), and Wu Yu was awarded to informed criticism.

　　10. The Supervision Committee of the National Natural Science Foundation of China has investigated a number of papers published by Wang Chuanxin of Shandong University on suspicion of academic misconduct, including:

　　Paper 1: Chuan Xin
Wang*, et al. Leptin-mediated regulation of MT1-MMP localization is
KIF1B dependent and enhances gastric cancer cell invasion.
Carcinogenesis, 2013, 34 (5): 974-983. (Note the fund numbers 31270971, 81072406 and 30672010)

　　Paper 2: Chuan Xin
Wang*, et al. Exosome-transmitted miR-128-3p increase chemosensitivity
of oxaliplatin-resistant colorectal cancer. Mol Cancer, 2019,
18(1):43. (Mark fund numbers 81472025 and 81772271)

　　Paper 3: 3：Chuanxin Wang*, et al.
MicroRNA-214 suppresses oncogenesis and exerts impact on prognosis by
targeting PDRG1 in bladder cancer. PLoS ONE, 2015, 10(2):
E0118086. (Note the fund number 81271916)

　　Paper 4: Juan Xin Wang *, et al. mir-203.
Suppresses ZNF217 Upregulation in Colorectal Cancer and Its
Oncogenicity. PLoS ONE.2015, 10(1):
E0116170. (Mark fund numbers 81072406, 81271916, 31270971 and 81301506)

　　Paper 5: Chuan Xin
Wang*, et al. Hypoxia-Inducible MiR-210 Is an Independent Prognostic
Factor and Contributes to Metastasis in Colorectal Cancer. PLoS ONE,
2014, September (3): E 90952. (Note the fund numbers 81271916 and 81301506)

　　Paper 6: Juan Xin Wang *,
et al. Aberrant CCR4 expression is involved in tumor invasion of lymph
node-negative human gastric cancer. PLoS One, 2015, 10(3): e0120059.
(Mark fund numbers 81271916 and 81301506)

　　After investigation, there are some problems in the above papers, such as confusion in the use of pictures and irregular management of experimental raw data (patient follow-up records, etc.). The correspondent Wang Chuanxin and others should be responsible for the problems in the papers involved. In addition, Wang Chuanxin included papers 1, 3 and 5 in the application for fund project (approval number 81772271), paper 1 in the application for fund project (approval number 81472025), paper 2 in the application for fund project (approval number 82130067) and the conclusion report for fund project (approval number 81772271), and paper 3 in the fund project.

　　After deliberation at the second meeting of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to follow Articles 47, 40 and 46 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects. The National Natural Science Foundation of Wang Chuanxin’s project "Screening, Verification and Serological Diagnostic Value of lncRNAs Related to Colorectal Cancer" (approval number 81472025) and "Construction and Application Research of Diagnosis and Prognosis Model of Colorectal Cancer Based on Serum Secreted circRNAs" (approval number 81772271) were cancelled. "Model construction and clinical application research of bladder cancer diagnosis and staging prediction based on urine miRNAs differential expression profile" (approval number 81271916) and "Construction of exosomes detection platform based on three-dimensional nano-column array microfluidic chip and basic research on its application in early diagnosis of colorectal cancer" (approval number 82130067), recover the allocated funds of the above four projects, and cancel Wang Chuanxin’s project application and participation qualification for 5 years (in 2023,

　　11. The Supervision Committee of the National Natural Science Foundation of China published a paper "Shuai" on Han Shuai and Li Fuyong of China Medical University.
Han, Fuyong Li*, et al. SETDB1 promotes glioblastoma growth via
CSF-1-dependent macrophage recruitment by activating the AKT/mTOR
Signaling pathway. j expclin cancer RES, 2020, 39 (1): 218. "Suspected academic misconduct was investigated.

　　After investigation, there are many pictures in the papers involved, which are all or part of the same as those in many papers of many units, but they represent different meanings, and there is a problem of confusion in the use of pictures. First author Han Shuai and correspondent Li Fuyong should be responsible for the above problems. In addition, Han Shuai included the related papers in the application form of the fund project (approval number 32200608), Li Fuyong included the related papers in the application form of the fund project (application number 8217102682), and Han Shuai and Li Fuyong should also be responsible for this problem.

　　After deliberation at the second meeting of the sixth National Natural Science Foundation of China, and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to cancel the Han Shuai National Natural Science Foundation project "Study on Mechanism of Akt Overactivation Promoting Premature Aging" (approval No.32200608), recover the allocated funds, and cancel the application and participation qualification of Han Shuai National Natural Science Foundation for 3 years (.

　　According to Article 40 of the Measures for Investigating and Handling Misconduct in Scientific Research of NSFC Projects, it was decided to cancel the application and participation qualification of NSFC projects in Li Fuyong for three years (from December 26th, 2023 to December 25th, 2026) and give it to informed criticism, Li Fuyong.

　　12. The Supervision Committee of the National Natural Science Foundation of China investigated the suspected academic misconduct of the papers published by Zhang Cong of Jiangnan University. The papers involved are as follows:

　　Paper 1: cong
Zhang*, Toshiyuki Bangi, et al. Evaluation of pseudo-strain hardening
behavior of hybrid fiber reinforced ultra-high performance concrete
containing coarse aggregates by using micromechanical principles.
Journal of Building Engineering, 2022, 61: 105234. (marked with fund number 51908247)

　　Paper 2: cong
Zhang*, Toshiyuki Bangi, et al. Influence of distribution modulus on
the compressive strength of ultra-high-performance concrete with coarse
aggregate (UHPC-CA). Advances in Civil Engineering, 2022, 2022:
7615616. (Mark the fund number 51908247)

　　Paper 3: cong Zhang *, toshiyuki bangi, et al.
Mechanical properties, durability and application of
ultra-high-performance concrete containing coarse aggregate (UHPC-CA): a
review. Construction and Building Materials, 2022, 334:
127360. (Mark the fund number 51908247)

　　Paper 4: cong Zhang *, toshiyuki bangi, et al.
Investigation of SAP content on the shrinkage and tensile properties of
ultra-high performance concrete. Construction and Building Materials,
2022, 345: 128402. (Note the fund number 51908247)

　　Paper 5: cong Zhang *, toshiyuki
Bangi, et al. Influence of eco-friendly fine aggregate on macroscopic
properties, microstructure and durability of ultra-high performance
concrete: a review. Journal of Building Engineering, 2023, 65:
105783. (Mark the fund number 51908247)

　　Paper 6: cong Zhang *, toshiyuki bangi, et al.
Effect of CaCO3 whiskers on tensile properties of ultra-high-performance
engineered cementitious composites. Journal of Building Engineering,
2022, 57: 104896. (Mark the fund number 51908247)

　　Paper 7: cong Zhang *, toshiyuki
Bangi, et al. Experimental study and theoretical modeling for the
flexural property of multi-scale hybrid fiber reinforced SHCC. Case
Studies in Construction Materials, 2022, 16: e01083.（标注基金号51908247）

　　论文8：Cong
Zhang*, Toshiyuki Bangi, et al. Shrinkage and tensile properties of
ultra-high-performance engineered cementitious composites (UHP-ECC)
containing superabsorbent polymers (SAP) and united expansion agent
(UEA). Construction and Building Materials, 2022, 339:
127697. (Mark the fund number 51908247)

　　Paper 9: cong Zhang *, toshiyuki bangi, et al.
Design approach, mechanical properties and cost-performance evaluation
of ultra-high performance engineered cementitious composite (UHP-ECC): a
review. Construction and Building Materials, 2022, 340:
127734. (Mark the fund number 51908247)

　　Paper 10: cong Zhang *, toshiyuki bangi, et al.
Mechanical properties and assessment of a hybrid ultra-high-performance
engineered cementitious composite using calcium carbonate whiskers and
polyethylene fibers. Computers and Concrete, 2022, 30:
339-355.（标注基金号51908247）

　　论文11：Cong Zhang*, Toshiyuki Bangi, et
al. Effect of crushed granite, superabsorbent polymer, and expansive
agent on the workability, compressive properties, and autogenous
shrinkage of ultrahigh-performance concrete. Journal of Materials in
Civil Engineering, 2023, 23: 04023050.（标注基金号51908247）

　　论文12：Zhang
C*, Shen Y, et al. Experimental study and theoretical modeling for the
compressive stress-strain relationship of multi-scale hybrid
fiber-reinforced SHCC. Materiales De Construccion, 2022, 72:
E272. (Indicate fund number 51908247)

　　After investigation, Zhang Cong, the correspondent of Papers 1-11, has the problem of fictional Bangi Toshiyuki of Nanyang Technological University as the signature author of Papers 1-11. Zhang Cong, the first and correspondent of Paper 12, has the problem of fictional Shen Y of Nanyang Technological University as the signed author of Paper 12, and Zhang Cong should be responsible for the above problems.

　　After deliberation at the second meeting of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to follow the provisions of Article 47 and Item 2 of Article 43 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation Projects. The project of Zhang Cong National Natural Science Foundation "Study on High-temperature Bursting Mechanism and Degradation Law of Mechanical Properties of Hybrid Fiber Self-compacting Concrete Tunnel Segments" (approval No.51908247) was cancelled, and the allocated funds were recovered. The project application and participation qualification of Zhang Cong National Natural Science Foundation was cancelled for 3 years (from December 26, 2023 to December 25, 2026), and it was awarded to Zhang Cong informed criticism.

　　13. The Supervision Committee of the National Natural Science Foundation of China investigated the papers published by Liu Zhikui, Liu Qingguang, Tu Kangsheng and Yang Nan of Xi ‘an Jiaotong University on suspicion of academic misconduct. The papers involved are as follows:

　　Paper 1: Zhikui
Liu#, Kangsheng Tu*, Qingguang Liu*, et al. Ftx non coding RNA-derived
miR-545 promotes cell proliferation by targeting RIG-I in hepatocellular
carcinoma. Oncotarget. 2016;
7(18):25350-65. (Mark the fund numbers 81272645, 81402039 and 81572847).

　　Paper 2: Zhikui
Liu#, Kangsheng Tu*, Qingguang Liu*, et al. Methylation-mediated
repression of microRNA-129-2 suppresses cell aggressiveness by
inhibiting high mobility group box 1 in human hepatocellular carcinoma.
European Journal of Medicinal Chemistry.
2018; 145:338-349. (Mark fund numbers 81272645, 81402039, 81502092, 81572847).

　　Paper 3: nan
Yang*, et al. ZKSCAN3 drives tumor metastasis via integrin β 4/FAK/AKT
mediated epithelial– mesenchymal transition in hepatocellular carcinoma.
Cancer Cell International. 2020; 20:216. (Mark fund numbers 81773123 and 81874069).

　　Paper 4: Zhikui
Liu#, Qingguang Liu*, Kangsheng Tu*, et al. MicroRNA-1468 promotes
tumor progression by activating PPAR-γ -mediated AKT signaling in human
hepatocellular carcinoma. Journal of Experimental &Clinical Cancer
Research. 2018; 37(1):49. (Mark the fund numbers 81773123, 81572847 and 81502092).

　　After investigation, papers 1, 2, and 4 have problems such as plagiarism, improper manipulation of pictures, and chaotic use of pictures. Paper 3 has problems such as duplication of pictures from other papers. The first author Liu Zhikui, correspondent Liu Qingguang and co-correspondent Tu Kangsheng of Paper 1, the first author Liu Zhikui, correspondent Liu Qingguang and co-correspondent Tu Kangsheng of Paper 2, the correspondent Yang Nan of Paper 3, the first author Liu Zhikui, correspondent Tu Kangsheng and co-correspondent Liu Qingguang of Paper 4 are respectively responsible for the problems existing in the corresponding papers. In addition, Liu Zhikui should also be responsible for the unauthorized labeling of other people’s fund projects in papers 2 and 4 and the unauthorized use of other people’s signatures in paper 4; Yang Nan should also be responsible for the problem of marking other people’s fund projects without authorization in paper 3; Liu Qingguang, Tu Kangsheng and Liu Zhikui should also be responsible for including the papers involved in the fund project application or the progress and conclusion report.

　　After deliberation at the second session of the sixth session of the Supervisory Committee of the National Natural Science Foundation of China and examination and approval at the 21st Committee meeting of the National Natural Science Foundation of China in 2023, it was decided to follow Articles 47, 40, 43 (1) and 6 (2) of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation Projects. Cancel the project of Liu Zhikui’s National Natural Science Foundation "Study on the Mechanism of Matrix Hardness Microenvironment Induced Ubiquitin Enzyme USP40 Regulating YAP Signal Pathway to Promote the Growth of Liver Cancer" (approval number 82103428), recover the allocated funds, cancel Liu Zhikui’s National Natural Science Foundation project application and participation qualification for 3 years (December 26, 2023 to December 25, 2026), and give it to Liu Zhikui informed criticism.

　　According to Articles 47, 40 and 46 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects, Liu Qingguang’s National Natural Science Foundation Project "Molecular Mechanism of Sulphatase 2 Regulating Hepatocellular Carcinoma Tumor Microenvironment through Hedgehog/GLI1 Pathway" (Approval No.81272645) and "Mechanism of VASP Regulating Hepatocellular Carcinoma Invasion and Metastasis in Hypoxic Tumor Microenvironment" (Approval No.81572847) was cancelled, and the allocated funds of the above two projects were recovered, and Liu Qingguang’s National Natural Science Foundation Project application and participation qualification were cancelled for 2 years (.

　　According to Articles 47, 40 and 46 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects, The TU Kangsheng National Natural Science Foundation Project "Study on the Mechanism of Activation and Secretion of COMP by Hepatic Stellate Cells in the High Hardness Microenvironment of Extracellular Matrix to Promote the Progress of Hepatocellular Carcinoma" (Approval No.81773123) and "Fbxw7 Induces Apoptosis and Growth Arrest of Hepatocellular Carcinoma Cells by Ubiquitin Protease Hydrolysis" (Approval No.81402039) were cancelled, and the allocated funds of the above two projects were recovered, and the application and participation qualification of TU Kangsheng National Natural Science Foundation Project were cancelled for 2 years.

　　It was decided to cancel the application and participation qualification of Yang Nan National Natural Science Foundation for two years (from December 26, 2023 to December 25, 2025) according to Articles 47, 40 and Item 6 of Article 43 of the Measures for the Investigation and Handling of Misconduct in Scientific Research of National Natural Science Foundation Projects, and give it to informed criticism, Yang Nan.

　　14. The Supervision Committee of the National Natural Science Foundation of China conducted an investigation into Li Xiao’s alleged academic misconduct in Shenzhen University.

　　After investigation, Li Xiao made extensive use of other people’s fund project application contents without others’ knowledge, and wrote my own fund project application for 2023 (application number: 8237162197). Li Xiaocun plagiarized and plagiarized the contents of other people’s fund project applications, and Li Xiao should be responsible for the above problems.

　　After deliberation at the second meeting of the sixth National Natural Science Foundation Committee and examination and approval at the 21st Committee meeting of the National Natural Science Foundation Committee in 2023, it was decided to cancel the application of Li Xiao’s 2023 National Natural Science Foundation project "Multivalent MUC1 Glycopeptide Tumor Vaccine Based on Chemical Synthesis" (application number: 8237162197) in accordance with Article 40 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation Projects. Li Xiao was disqualified from applying for and participating in the National Natural Science Foundation of China for three years (from December 26th, 2023 to December 25th, 2026), and was criticized by the newspaper.

　　15. The National Natural Science Foundation of China conducted an investigation on Chi Guotai of Dalian University of Technology’s alleged illegal use of funds for science foundation projects.

　　After investigation, Chi Guotai obtained funds for key projects of the National Science Foundation (approval number 71731003) by distributing labor fees to students, which was serious and violated the relevant provisions of the Measures for the Management of Funds for Projects Supported by the National Natural Science Foundation. Chi Guotai, as the project leader, should be responsible for the above problems.

　　After the examination and approval of the first committee meeting of the National Natural Science Foundation of China in 2024, it was decided to cancel the project "Research on Micro-credit Evaluation Theory and Method in Big Data Environment" of the National Natural Science Foundation of Chi Guotai (approval number 71731003) and recover the allocated funds according to item 5 of Article 35 of the Regulations of the National Natural Science Foundation of China and item 4 of Article 45 of the Measures for Investigating and Handling Misconduct in Scientific Research of National Natural Science Foundation of China. Cancel the application and participation qualification of Chi Guotai National Natural Science Foundation for five years (from January 9, 2024 to January 8, 2029) and give it to Chi Guotai informed criticism.

　　This guide is updated and revised on the basis of the Technical Guide for Influenza Vaccination in China (2021-2022) by the Influenza Vaccine Working Group of the National Immunization Planning Technical Working Group of China CDC. The updated contents of the guide mainly include the following aspects:

　　First, new research evidence has been added, especially the research results in China, including the burden of influenza disease, vaccine effect, vaccine safety monitoring, vaccine vaccination cost-effectiveness and so on;

Special feature of 1905 film network Here it comes! Here it comes! The 2021 Spring Festival stalls are coming to us!There is less than a week before the Spring Festival. I believe that the audience can’t wait to rush into the cinema. Seven blockbusters will also appear at the same time on February 12, bringing a light and shadow feast to fans.

On this occasion, the 1905 Film Network and the Film Channel Media Center jointly released the "Preview Report of the 2021 Spring Festival Movies", which made an all-round prospective analysis of the 2021 Spring Festival Movies from three dimensions: market, word of mouth and industry.

Click here to browse the 2021 Spring Festival Movie Preview Report.　

On January 29th, 2021, seven films released on the first day of the Spring Festival started to be pre-sold, and the first day’s pre-sale box office lasted 32 hours. As of February 7, the total box office has reached 448 million, which has created a good start for the Spring Festival.

In 2021, the number of movies to be watched by each platform for the Spring Festival exceeded 16 million, creating the highest expectation value in recent years. Among them, Detective Chinatown 3’s total platform wants to see more than 11 million.

In 2015-2019, the number of Spring Festival movies on Douban platform wanted to see a steady increase. Since 2017, the number of tickets purchased by Cat’s Eye and Taobao Film has increased rapidly, and the marketing effect is fully reflected, which relatively broadly represents the audience’s desire to see.

According to statistics, the distribution of the expected value of the 2021 Spring Festival movies is not completely consistent with the proportion that the ticketing platform wants to see. Although Detective Chinatown 3 is far ahead in pre-sale and viewing, its comprehensive social media discussion is not far behind that of Hi, Mom and A Writer’s Odyssey. The Spring Festival movie "One Super and More Strong" has great box office potential.

In the past five years, the film market in the Spring Festival has released great potential, and the box office proportion in the whole year has increased year by year, reaching more than 9%, surpassing the Lunar New Year file and the National Day file to become the first schedule for holidays.

In the Spring Festival of 2021, the attendance rate of cinemas in China was limited to 75%, and the audience’s response to the "celebrating the New Year on the spot" initiative brought uncertainties to the film market. However, judging from the pre-sale situation this year, the attention of the whole people and the demand for watching movies, there is still a lot of room for growth.

In recent three years, the box office contribution rate of champion films has exceeded 30%. In 2018 and 2019, the box office of the top three films exceeded 1 billion, and the fourth and fifth films at the box office were about 500 million. The trend of box office tilting towards "head movies" is more prominent. Among them, all of them entered the top three box office during the release period.

In the past five years, there have been frequent explosions during the Spring Festival. During this period, it is normal for about 7 new films to be released, showing a collocation pattern of 3 comedies +2 fantasy and sci-fi genres +2 animations. The distribution of seven major films in the Spring Festival in 2021 is similar to that in previous years.

In the past five years, the word-of-mouth scores of Spring Festival movies were concentrated at 6-8, and 22 movies with word-of-mouth scores exceeding 7, accounting for 61.1%, with good overall strength. The eight films with high reputation and high box office area were all released after 2017, and the word-of-mouth of the Spring Festival movies rose overall.

In 2017-2019, the word-of-mouth of the box office champion films in the Spring Festival has increased year by year, and the proportion of the harvested box office to the total box office of the films has also increased year by year. High-word-of-mouth movies can not only win the top spot in the Spring Festival, but also have more and more room for box office improvement after the holiday.

In 2018 and 2019, Operation Red Sea The Wandering Earth, although the proportion of first-day film scheduling was not dominant, caused a heated discussion with its high reputation. During the screening period, the film scheduling and attendance rate continued to increase, and finally achieved high box office results. The average proportion of films is the intuitive embodiment of box office revenue. So, how big is the role of high word-of-mouth in driving the rise of film arrangement?

The Wandering Earth leads in word-of-mouth and average film arrangement, and wins the championship of the schedule. The first day of the second word of mouth ranked first, but the box office did not exceed it in the end. Word of mouth and box office performance do not always correspond completely.

The box office with higher reputation overtook the box office, while the box office with higher reputation in Operation Red Sea ranked third, and the growth space extended to the post-holiday. High-word-of-mouth films need certain conditions to quickly exert their potential to drive the box office.

On the eve of the Spring Festival in 2018, the heat index of "Catch the Demon 2" led and won the first day of filming. During the release period, Catch the Demon 2 dropped rapidly, while the popularity of Chinatown Detective 2 continued, reaching its peak in the middle and late Spring Festival. Operation Red Sea’s word-of-mouth effect played a slow role, and failed to surpass Chinatown Detective 2 within the schedule.

In 2019, The Wandering Earth’s M-Talk Index rose rapidly since its release, and the fermentation effect of word-of-mouth was remarkable. The word-of-mouth score of "Flying Life" is 8.1, which is slightly higher than the score of "Crazy Alien" of 7.7, but the hot discussion has been lagging behind. It can be seen that the continuous hot discussion during the release period is the key factor to improve the film arrangement and finally achieve box office success.

From 2015 to 2019, China Film Co., Ltd. took the lead in the number of films produced during the Spring Festival and the box office, followed by Bona Film. Most of the listed institutions are traditional film groups.

The multi-faceted layout of many film and television institutions in the Spring Festival of 2021. China Film Co., Ltd. participated in the production of three films, Huayi Brothers and Lianrui Film Co., Ltd. participated in the production of two films, and (Free Cool Whale Film Co., Ltd.) and the companies associated with the two directors also participated in the production of two films. In addition, Kung Fu Film, Light-chasing Animation, and Shanghai Yiyantang are all the first time to master the production of Spring Festival movies.

In the Spring Festival of 2021, some movies "New Forces" also tried to "enter the game" and participate in the "competing for the best" in this most important schedule of the year.

01

The ticketing platform is fully involved.

Of the 7 blockbusters released during the Spring Festival in 2021, 6 were jointly produced and distributed by Cat’s Eye and Taobao Film ticketing platform. "Crowd" is the only film that the two platforms are not directly involved in, and currently ranks fifth in pre-sale.

02

Internet film group is active.

In 2019, Alibaba Pictures ("Piggy Peggy’s New Year") entered the Spring Festival file as the first producer. In 2021, Alibaba Pictures was still active, and Youku Film, Netease Film and Lechuang Film also joined the production and distribution of the Spring Festival file in 2021.

03

New forces in the entertainment industry enter the market

ByteDance series was broadcast in 2019 and joined the Spring Festival again in 2021. ByteDance participated in the production of Detective Chinatown 3, Tik Tok (Xiamen) jointly produced A Writer’s Odyssey, and Tik Tok’s subsidiary Beijing Micro Broadcasting Vision jointly produced Boonie Bears:The Wild Life. For the first time, Billie Billie Films participated in the production of Spring Festival movies, and POP MART jointly produced the animated film "New Nezha", which brought fresh strength to the Spring Festival movie market.

In 2021, some new phenomena emerged in the announcement of the Spring Festival.

01

Try "Cloud Roadshow", which has a wider coverage and remarkable effect.

Hi, Mom invited thousands of audiences from 11 cities across the country to enter cinemas to watch the live situation of the cloud road show through the screen, and the cloud road show was also broadcast live online in Tik Tok. The topic of live broadcast exceeded 7 million, with a total of 1.567 million people watching, and the online sales platform wanted to see a substantial increase.

02

Short video and live broadcast are highly popular, becoming an emerging marketing platform.

On the vibrato short video platform, the cumulative number of seven major films in the Spring Festival in 2021 exceeded 9.22 billion times, and this figure was only 5.335 billion times in 2019. Except for two animations, the other five films of the Spring Festival in 2021 were promoted and sold through the live broadcast rooms in Li Jiaqi and Viya.

03

The release quantity of traditional materials is improved and the functionality is enhanced.

The number of trailers, MVs, specials and poster stills released in the Spring Festival in 2021 decreased compared with that in 2019. According to the statistics of Cat’s Eye Platform, the cumulative number of materials announced by seven films in the Spring Festival in 2019 was 102 times, while in 2021, this figure was only 26 times so far, which may be understood as the focus of the film’s announcement shifted to emerging platforms such as short videos. In 2021, seven major films added pre-sale (and countdown) posters for the first time, and the functionality of the released materials was enhanced.

04

The blind box around the movie appeared and warmed up.

In the Spring Festival of 2021, POP MART, as one of the producers in New Gods: Nezha Reborn, launched a blind box around the film on the eve of the Spring Festival to warm up the publicity for the film. This is also the first time that the peripheral products of the film have appeared in the announcement stage.