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The numbering law of national roads, provincial roads and county roads, and the difference between national roads, provincial roads and county roads.

According to its administrative level, highways in China are mainly divided into four levels: national highway, provincial highway, county road and township road. The numbering rules for national roads, provincial roads and county roads take the Chinese phonetic initials of national, provincial and county roads (||) as their respective identifiers (except township roads), and the numbering consists of identifiers and numbers.

What’s the difference between them?

The difference among national roads, provincial roads, county roads and township roads lies in the different starting numbers. National highway stands for G, provincial highway stands for S, county road stands for X, and township road stands for Y.

National highway-refers to the trunk highway with national political and economic significance, connecting large and medium-sized cities across the country and forming the framework of the national highway network.

The number of the national highway starts with the letter G, and G1xx stands for the radial national highway with the starting point. G2xx stands for the national highway running through the north-south direction, and G3xx stands for the national highway running across the east-west direction.

Provincial highway-refers to the highway with provincial political and economic significance, and it is also the trunk highway connecting important cities in the province, which is the responsibility of the provincial highway department.

The provincial highway number begins with the letter S, which is similar to the national highway. Xx stands for the radial provincial road starting from the provincial capital city. S2xx stands for north-south longitudinal provincial road, and xx stands for east-west provincial road.

County road-refers to the highway with political and economic significance in counties and county-level cities, connecting county towns and major towns.

The number of the county road is represented by the first three digits of the letter X.

Township road-refers to the highway connecting towns and villages.

The numbering of township roads is similar to that of county roads, and is represented by three numbers beginning with y.

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Can Intel influence the situation of entry-level graphics cards?

When it comes to graphics cards, everyone’s attention is often focused on mid-to-high-end graphics cards such as 3060Ti, 3070 and even 3080. However, mid-to-high-end graphics cards are only a part of the graphics card market, and the really popular ones are actually low-end and entry-level graphics cards. There is a huge demand in both OEM market and low-end DIY market.

Although in the eyes of hardcore players and some netizens, entry-level graphics cards are rubbish, they are often words such as "it is better to add money" and "I suggest buying PS5". However, for players who just want to play LOL, CS: GO (entertainment) and play online games such as Sword Net III and Warcraft, spending a lot of money on mid-to high-end graphics cards not only costs extra budget, but also takes up less than 20% of the graphics cards most of the time, and the fans don’t even turn, which is totally overqualified.

Therefore, low-end and entry-level game graphics cards have become a good choice. On the one hand, it can save the budget. On the other hand, the price reduction of entry-level graphics cards is often lower than that of mid-to-high-end graphics cards, and the depreciation fee for subsequent updates of graphics cards is also lower.

However, entry-level game graphics cards do not mean that you can buy them at will. Traditional graphics card manufacturers such as AMD and NVIDIA have recently launched new entry-level graphics cards, and there is a new player in the independent graphics card market, Intel. How to find the most suitable graphics card among these graphics cards with similar prices is also a difficult problem.

Some time ago, AMD introduced a new entry-level graphics card RX 6400, with parameters of 768-stream processor, 64-bit memory bit width and 4GDDR 6 memory. Because the parameters are not good, and it coincides with the high price period of the graphics card, the price of nearly 2,000 yuan has made many users sneer at this graphics card, and compared it with the RTX 3050 with the official price of about 2,000 yuan at that time (the actual price is close to 3,000 yuan), thinking that this is "e-waste" (in terms of performance-price ratio at that time, there is nothing wrong with it).

Image source: AMD

However, with the overall decline in the price of graphics cards, RX 6400 also returned to the normal price, that is, between 1000 and 1200, while RTX 3050 continued to maintain the price range of around 2000 yuan. In this way, the performance-to-price ratio of RX 6400 began to stand out, and the original target of RX 6400 was not RTX 3050, but a new generation of entry-level game cards in NVIDIA.

Although RTX 3050 is the lowest-end graphics card in RTX series, the RTX series itself is positioned at the middle and high end, so even RTX 3050 can barely be regarded as a mid-range graphics card, rather than the thousand-yuan entry-level graphics card we often say. The target with RTX 3050 is actually RX 6500 instead of the lower-grade RX 6400.

According to NVIDIA’s graphics card update plan, the target with RX 6400 should be GTX 1630, which will be launched in June. As an upgraded version of GT 1030, the parameters of GTX 1630 are 512-stream processor and 4GDDR6 video memory, and the video memory bandwidth is also 64bit. From the parameters alone, it can be judged that it is a graphics card inferior to RX 6400.

This year, there is one more entry-level graphics card contestant than in previous years, that is, Intel’s A380, as the first discrete graphics card released by Intel Ruixuan series for the consumer market (there have been several products in the ODM market before), which is quite eye-catching in terms of parameters, with 8 XE-Cores (the number of stream processors is not disclosed, but it is reported that there are 1024), equipped with 6GB GDDR6 memory, and the memory bandwidth is 96bit.

Image source: Intel

Coincidentally, A380 is also aimed at the entry-level game graphics card market of 1,000 yuan. The entry of Intel has added many variables to the graphics card market this summer, and it also makes it more difficult for users to choose. After all, from the price point of view, the three are almost at the same level, ranging from 1000 to 1300 yuan, while AMD and Intel are leading in performance, but Invista also has the advantage of driving and optimization.

Therefore, the optional entry-level graphics cards are mainly RX 6400, GTX 1650, GTX 1630 and A380, and the transaction price is less than 1,300 yuan. How should users with limited budgets choose?

In terms of parameters alone, Intel’s A380 is obviously the strongest, and its streaming processor, video memory capacity and video memory bandwidth are superior to the other three graphics cards. If the price is the same, traditional graphics card manufacturers can almost choose Intel mindlessly. However, as a new discrete graphics card manufacturer, the actual performance and driver stability of Intel’s discrete graphics cards are all things that players are worried about.

Therefore, we still need to look at the measured data.

First of all, let’s look at 3DMARK, as a widely used graphics card testing software. Although it can’t fully represent the actual game experience, it also has high reference value.

3DMARK’s tests are generally Fire Strike and Time Spy, which respectively test the performance of DX 11 and DX 12 games at 1080P resolution, among which DX 11 and below are mostly old games, while DX 12 is a new game corresponding to the recent years.

The score in the Fire Strike test is:

RX 6400:11457

GTX 1650:10281

GTX 1630:8078

A380:10999

The score in the Time Spy test is:

RX 6400:3570

GTX 1650:3424

GTX 1630:2453

A380:4497

Considering the different test platforms, the scores of graphics cards are selected for comparison, and the total scores of CPU scores are not selected, but we can also clearly see the differences between the four graphics cards. In terms of test scores alone, A380 is ahead in the Time Spy test which requires high video memory, but it is very close to GTX 1650 and RX 6400 in the Fire Strike test.

Moreover, it can be clearly seen that although GTX 1630 is the latest entry-level graphics card in NVIDIA, the score in the performance test is obviously different from the other three graphics cards, and it is not the same level.In the case of such a big performance gap, even if NVIDIA is optimized, it is unlikely that there will be any good performance in the actual game, not to mention the GTX 1650 with the same price, so GTX 1630 is the first to go out in the confrontation of thousand-yuan game graphics cards.

To be honest, I don’t quite understand the positioning of GTX 1630. The price around 1200 is almost the same as the current price of GTX 1650, while the performance and parameters of GTX 1650 completely surpass the former (just look at the model and know the relationship between them). It stands to reason that the price of GTX 1630 should be less than 1,000 yuan to be used as a bright card, and the current price is totally not worth buying.

In the game test, based on 1080 resolution and high image quality, the frame number performance of three graphics cards in different games was tested, and the following results were obtained (all average frames):

Tomb Raider Shadow:

RX 6400:51

GTX1650:49

A380:45

Crysis 6:

RX 6400:45

GTX1650:46

A380:44

Elden ring:

RX 6400:40.2

GTX1650:37.1

A380:36.7

CSGO:

RX 6400:301

GTX1650:291

A380:149

Watch the pioneer:

RX 6400:143

GTX1650:92

A380:105

(The above data is from Chaoneng.)

Among the five games, three are 3A masterpieces and two are popular FPS online games. It can be seen that RX 6400 is the best in frame number, followed by GTX 1650, and finally A380. It has been proved that although the parameters are ahead, due to the problems such as driver optimization, the performance of A380 in the actual game does not conform to the performance of parameters, even in CS: Go, there is a clear gap with the other two graphics cards, but it has surpassed GTX 1650 in the watch pioneer.

From the test results, we can basically draw a conclusion that in some newer games supporting DX 12, the gap between A380 and the other two graphics cards is not big, and they can be said to be products of the same level. Considering Intel’s follow-up driver optimization, it is no problem to give a "future expectation" evaluation based on the hardware parameters of A380, and the current game experience is also in line with the price expectation.

As far as the game experience is concerned, the most worthwhile entry-level graphics cards are RX 6400 and A380, which not only have better performance, but also support the optical pursuit mode, while GTX 1650 does not. Moreover, RX 6400 also supports the FSR2 technology released by AMD (similar to DLSS 2.0 in NVIDIA, but DLSS 2.0 only supports graphics cards above RTX 30 series), which can sacrifice image quality for higher frames, so RX 6400 is the most worth buying among the thousand-yuan graphics cards at present.

Image source: AMD

A380 is suitable for users who need both games and productivity. Although the game performance is slightly lower than RX 6400, A380, with the compatibility of Intel platform, makes it perform quite well in encoders such as H.265 and AV1, which can greatly improve the efficiency of video creation.However, it needs to be reminded that A380 only supports Intel’s processors and motherboards after the 10th generation, and does not support AMD’s processors. Friends who want to buy it need to pay attention.

As for GTX 1650, personally, it is not worth buying at this stage. If you only accept graphics cards from NVIDIA, then GTX 1650 is the only choice at this price (regardless of mining cards).

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[Beautiful China Yangtze River Tour] The picturesque countryside is in front of you. The beautiful "deformation" of the courtyard of Shijiacao Square in Chongqing

  Guangming. com reporter Qiu Xiaoqin Fan Li

  The beautiful rural vision that people yearn for in their hearts is that the houses are just like a dream, the birds are singing and the flowers are fragrant, and the corners are neat. In the eyes of villagers in Shijiacaofang, Jinfeng Town, Jiulongpo District, Chongqing, such a "beautiful thing" is just around the corner.

  In recent years, Shijiacaofang in Jinfeng Town has continuously optimized and improved the villagers’ living environment by promoting social governance innovation and implementing comprehensive environmental improvement, and a beautiful picture of "picking chrysanthemums under the east fence and seeing Nanshan leisurely" has been spread out in the villagers’ field of vision.

[Beautiful trip to the Yangtze River in China] A picturesque countryside is in front of you. The beautiful "deformation" of the courtyard of Shijiacao Square in Chongqing is moving.

  Environmental improvement: from garbage everywhere to beautiful and livable

  Shijiacao Square is one of the "Top Ten Characteristic Cultural Courtyards" built in Jinfeng Town, Jiulongpo District, Chongqing, and it is the core area for the construction of characteristic towns and municipal demonstration films to improve rural human settlements in Chongqing. On May 13th, "Beautiful China Yangtze River Tour — — The members of the interview group from Chongqing Station, a network theme activity of "Dancing with the Ecology of the Yangtze River Economic Belt", walked into Shijiacao Square and felt the beautiful and livable new life of the villagers.

  Clean streets, bright buildings and unique gardens … … In Shijiacaofang, these have become the standard of villagers’ life. Walking into the villager Wang Xuedong’s house, the three-story building is simple and warm, and the log pavilion is naturally shaded. Here, not only villagers live livable, but also poultry and livestock live in "villas". These changes took place at the end of 2016.

[Beautiful trip to the Yangtze River in China] A picturesque countryside is in front of you. The beautiful "deformation" of the courtyard of Shijiacao Square in Chongqing is moving.

  "The beauty of the countryside is about changing the status quo that livestock manure, garbage everywhere and sewage cross-flow." Ou Zhiwei, the mayor of Jinfeng Town, Jiulongpo District, Chongqing, introduced that since the end of 2016, Jinfeng Town has comprehensively implemented environmental remediation of Shijiacaofang Courtyard in Jiufeng Village through the "Special Action of Five Reforms, Five Cleaning and Five Modernization". While implementing water improvement, toilet improvement, kitchen improvement, garbage removal, yard cleaning, home beautification and environmental beautification, Shijiacao Workshop has improved the living environment of the people by building facilities such as wine-making landscape sketches, archways, corridors, sewage treatment tanks and fences.

  In order to protect the ecological environment, Jinfeng Town has innovated and popularized the treatment mode of household collection, village collection, town transportation and district garbage collection, distributed garbage bins to every household free of charge, and set up pedal-type garbage sorting boxes, and took the lead in carrying out the pilot project of urban and rural garbage compression and closed integration in Chongqing. In order to fully mobilize the enthusiasm of the masses, Shijiacaofang also established a garbage "bank". At the local garbage sorting service station, villagers get corresponding "point coupons" through garbage recycling, and can also exchange daily necessities such as soap and washing powder in the nearby lifestyle supermarket to encourage people to sort garbage.

[Beautiful trip to the Yangtze River in China] A picturesque countryside is in front of you. The beautiful "deformation" of the courtyard of Shijiacao Square in Chongqing is moving.

  "Domestic sewage treatment is also a major event." Ou Zhiwei said that every large courtyard in the town, including Shijiacaofang, has built centralized sewage treatment facilities and laid a sewage pipe network. Every household is also equipped with a three-format sewage treatment tank. The domestic sewage discharged by the villagers is treated and then returned to the field for irrigation.

  Improve literacy: abandon bad habits and advocate civilized rural style

  "The construction of a beautiful living environment needs everyone to manage it." While improving the hardware facilities, Shijiacao Workshop also pays attention to the overall improvement of villagers’ quality and the formation of good habits, and established a beautiful and livable rural co-construction association. With villagers who love their hometown as members, it implements the "four packages in front of the door", ensuring clean and tidy environment, standardized public order, intact public facilities, greening and beautifying, implementing democratic management, rectifying civilized and bad habits, and vigorously advocating rural customs and civilization. Party member’s "Three Brightness" (Bright Standards, Bright Identity and Bright Commitment) will be implemented, and the selection of "Five Beautiful Farms", "Civilized Households", "Demonstration Households" and "Good Family Style and Good Family Training" will be carried out, and the "Cultural Enjoyment" project will be implemented, and calligraphy, painting and paper-cutting art will enter the courtyard.

[Beautiful trip to the Yangtze River in China] A picturesque countryside is in front of you. The beautiful "deformation" of the courtyard of Shijiacao Square in Chongqing is moving.

  For many years, villager Wang Zhimao has opened a lifestyle supermarket in the village. With the development of beautiful countryside, his supermarket has become a "pioneer demonstration post in party member, Lao Yang’s mass work site". In fact, "Lao Yang" is a group. In Shijiacao Square, "Ask Lao Yang for help" has become everyone’s mantra. In the reply again and again, it also enhances the distance between them.

  Next to Wang Zhimao’s lifestyle supermarket is Jiufeng Village Garbage Sorting Service Station. Now, the villagers no longer throw away their waste at will, but are used to bringing recyclable items here in exchange for "green points cards" and then spending them in the lifestyle supermarket. A large stack of loyalty cards in Wang Zhimao Supermarket is a strong proof of villagers’ awareness of environmental protection.

[Beautiful trip to the Yangtze River in China] A picturesque countryside is in front of you. The beautiful "deformation" of the courtyard of Shijiacao Square in Chongqing is moving.

  Little actions bring about great changes. Villager Wang Xuedong’s family has been a "five-beauty family" since last March. For a long time, he has been a practitioner of keeping the courtyard environment clean and recycling garbage. "Our village is becoming more and more clean and beautiful, and birds are singing and flowers are everywhere. When you see it, you are happy in your heart. My hometown has become beautiful, and I can’t help but boast wherever I go. " He said.

  Shijiacao Square is a microcosm of the construction of beautiful countryside in Jiulongpo District. According to reports, the whole region concentrated its efforts on accelerating the construction of beautiful countryside, and achieved remarkable results in the construction of beautiful countryside by strengthening its foundation, promoting its industry, changing its appearance and increasing its income. At present, there are 1 municipal demonstration film in beautiful countryside, 9 municipal demonstration villages in beautiful countryside and 27 district demonstration villages in beautiful countryside.

  In 2018, Jiulongpo District will promote the construction of a number of beautiful livable star villages that are top-notch in the city and famous throughout the country with "ecological livability, outstanding characteristics, high production efficiency and beautiful life". A beautiful picture of the countryside is getting bigger and bigger, and it is becoming more and more magnificent. The picture of "yellow hair hanging down and enjoying itself" has become the norm.

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Will the CET-4 and CET-6 certificates still be useful after the English exam in 2020?

  Xinhuanet Beijing, December 19 (Han Jiahui) On December 15, Anhui Education Admissions Examination Institute issued a notice to clarify that the national English proficiency test in Anhui Province will stop in 2017. The basis of this notice is that in the implementation opinions on deepening the reform of the examination enrollment system issued by the State Council in 2014, the goal of foreign language examination reform is clearly put forward, that is, a modern foreign language assessment system with unified standards and multiple functions will be basically built by 2020. So, how is the construction of this evaluation system progressing now? After the completion of the new evaluation system, do you still have the CET-4 and CET-6 certificates? Do you need to retake them?

  — — What is the National English Test?

  The Public English Test System (PETS) is a non-academic English certificate test for all citizens. It is sponsored by the Examination Center of the Ministry of Education, and the social examination offices of local education examination institutes are responsible for its implementation. PETS is not limited by occupation, household registration and education level, and its certificate level is divided into PETS-1 to PETS-5, which is an important proof of the English level of social people and part-time students, and also the main basis for recruiting personnel and measuring the English level of on-the-job personnel in enterprises and institutions at all levels.

  Compared with CET-4 and CET-6, PETS has an oral test, which pays more attention to the candidates’ English communicative competence and practicality. PETS-3 is roughly equivalent to CET-4, and PETS-4 is roughly equivalent to CET-6.

  — —In addition to PETS, these are the main English exams in universities and society at present.

  TEM-8 (for English majors only) sponsored by the Foreign Language Teaching Steering Committee of colleges and universities (not sponsored by the Ministry of Education)

  College English Test Band 4 and Band 6 (CET-4/CET-6)

  National Foreign Language Translation Certificate (NAETI) organized by the Examination Center of the Ministry of Education and Beijing Foreign Studies University.

  Translation Professional Qualification Examination (CATTI) organized by the Ministry of Personnel

  Unified examination of foreign language grades for professional and technical personnel in China organized by the Ministry of Personnel.

  Cambridge Business English Test (BEC), which is jointly conducted by the Examination Center of the Ministry of Education and the Examination Committee of the University of Cambridge, UK.

  Advanced Interpretation of Shanghai English organized by Shanghai University Pudong Continuing Education Center (PCEC)

  Those who want to study in Commonwealth countries need to take IELTS, and those who want to study in the United States need to take TOEFL and GRE.

  If you take the postgraduate entrance examination, you must also take the English test of the National Postgraduate Entrance Examination … … … …

  English majors must obtain CET-4 certificate if they want to graduate smoothly. If they want to engage in translation work in the future, it is not enough to have TEM-8 certificate only. Depending on their region, they need to obtain different qualification certificates, such as CATTI and NAETI, while BEC and Shanghai intermediate and advanced interpretation certificates are more recognized in Jiangsu, Zhejiang and Shanghai, and the style and ability of focusing on examination are different in different regions. Non-English majors must have a CET-4 certificate before they can get a diploma. If they want to evaluate their professional titles in the company after work, they need to obtain a professional title English test certificate … … According to different groups of people, regions, and the nature of work, there is no uniform standard for English exams, which can be described as varied. Because many exams have no oral test, they are often criticized as dumb English. However, this phenomenon will end before 2020.

  — — English will be tested like this in 2020.

  The State Council has set a hard target, believing that with Anhui stopping the national English proficiency test, more regions will join the "stop test" list in the future. Previously, the Beijing Municipal Bureau of Human Resources and Social Security issued a notice to clarify that since January 1, 2017, foreign language and computer examinations are not necessary conditions for applying for job title evaluation, and these two examinations are completely loosened from job title evaluation. This policy adjustment will involve more than 3 million professional and technical personnel in the city. In addition to Beijing, according to the reporter’s incomplete statistics, Guangdong, Henan, Shandong, Wenzhou, Zhejiang and other places have issued policies to clarify that "foreign languages for professional titles are not unified" or "foreign languages for professional titles are not a necessary condition for job evaluation". Shanxi, Jiangxi, Changchun, Jilin, Changzhou, Jiangsu and other places put forward that applying for intermediate and below professional and technical qualifications is not required as a foreign language title. Therefore, it is an irreversible trend in the future to gradually cancel various English tests, simplify administration and decentralize power, loosen talents and establish a modern foreign language evaluation system with unified standards and multiple functions.

  According to the relevant person in charge of the Ministry of Education, the construction of China’s foreign language proficiency assessment system is progressing smoothly. The main body of the China English Proficiency Scale has been developed, which is expected to be officially announced in 2017, and the National English Proficiency Test is planned to be gradually launched before 2020.

  The newly developed China English Proficiency Scale will be divided into nine grades. Among them, Grade One or Grade Two roughly corresponds to the primary school level, Grade Three corresponds to junior high school, Grade Four corresponds to senior high school, Grade Five or Six corresponds to universities, Grade Seven corresponds to English majors, and Grade Eight or Nine corresponds to high-end foreign language talents. Each level has different requirements in listening, speaking, reading, writing, translation and knowledge strategy. At present, there are many mature English evaluation systems abroad, and China’s English proficiency rating scale will also be connected with them. At the same time, experts are still working on designing a national English proficiency test. At present, the development team has completed the development of two key breakthrough levels (Level 5 and Level 6), which will be launched and used in due course in 2017.

  Some people are happy and others are worried about the upcoming changes. Some netizens who have just finished CET-4 and CET-6 are worried that after the implementation of the new examination outline and evaluation system, their certificates will still count. In addition, some netizens expressed their hope that the new evaluation system can be in line with international standards and get international recognition, so that a large amount of IELTS TOEFL registration fee can be saved.

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The eleventh holiday is coming to an end. Four suggestions teach you to prevent post-holiday syndrome.

  BEIJING, Beijing, October 7 (Qiu Yu) There is still the last day left in the 11-day holiday. Are you worried that you will suffer from post-holiday syndrome as before?

  Post-holiday syndrome is a variety of physiological or psychological manifestations that people appear after the holiday, such as feeling bored, listless, inefficient at work and study, and even unexplained nausea and neurasthenia in the days after the holiday. In order to avoid this situation, Zhongxin. com has sorted out some suggestions on diet and rest to make you full of energy on the first day after the festival.

  Adjust work and rest, go to bed early and get up early.

  Since February, 2015, the topic homepage of "# Post-holiday Syndrome #" on Sina Weibo has been continuously posted with a total reading of over 10 million. The first day after the festival has not yet arrived, and some netizens have posted complaints about "getting up dizzy in the morning" and "I really want to sleep in his dark place".

  Compared with going to work and school, many people have very irregular schedules during holidays. Some people surf the internet or play cards all night, some people are on the road, and their biological clocks are disrupted. It is difficult to adapt quickly after the festival, and I can’t sleep at night or wake up during the day.

  One of the remedial measures is to adjust the work and rest, go to bed early and get up early as possible, and take a proper lunch break if possible. If it is difficult to sleep at night, taking a hot bath will help you sleep.

  Sina Weibo netizens’ discussion on the topic of # Postholiday Syndrome # after the 11th holiday. Source: Sina Weibo screenshot

  Eat more dark vegetables in a nutritious diet

  During the Eleventh Five-Year Plan period, many people ate irregularly, and they couldn’t stop eating big fish and meat at the beginning, and drank too much at parties, which led to excessive gastrointestinal burden.

  Ma Guansheng, a professor at peking university health science center School of Public Health, pointed out in an interview with Zhongxin.com (WeChat WeChat official account: cns2012) that the post-holiday diet should follow the principle of diversity, because the nutrition of a single food is definitely not comprehensive. You can appropriately reduce the intake of meat and eat more cereals and green vegetables.

  "Pay attention to increasing the proportion of dark-colored vegetables," Ma Guansheng said. Compared with light-colored vegetables, dark-colored vegetables contain more B vitamins and minerals.

  Some people say that "only eating vegetarian food is good for health" for a few days after the festival. In this regard, Ma Guansheng said that drinking coarse cereals porridge every day will help to recover the damaged stomach, but if you eat it too lightly, it will also lead to insufficient intake of micronutrients and high-quality protein, so you should pay attention to a nutritious diet.

  Data map. Zhongxin net zhongqing photo

  Moderate exercise relieves stress.

  What should I do if I feel listless and have no appetite after the holiday? Moderate exercise may help you.

  “‘ Eat ’ With ‘ Move ’ There are two aspects. Exercise helps to adjust the appetite to a normal state. "Ma Guansheng said that exercise can not only relieve stress, control weight, but also promote sleep.

  You can do your favorite sports after work or after school, such as jogging, swimming, dancing, badminton, etc., so that your tired body can have a positive rest and carry out post-holiday work more vigorously.

  Post-holiday work intensity should not be too high.

  In addition to physical adjustments such as sleep, diet and exercise, psychological adaptation is also very important.

  It is not advisable to carry out excessive work in a short time after the festival, but to finish the necessary work step by step, and don’t put too much pressure on yourself to avoid anxiety and depression.

  At the same time, you can make some psychological hints, tell yourself that the National Day holiday is over, meditate on the future work arrangements, and adjust your mentality to a normal working state. (End)

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The price reduction of BMW i4 in Suqian area is coming! The reserve price is 305,200, and the quantity is limited.

[car home Suqian Preferential Promotion Channel] At present, Suqian is carrying out substantial preferential activities. You can enjoy a maximum discount of 159,500 yuan, reducing the minimum starting price to 305,200 yuan. If you are looking for an electric vehicle with excellent performance and full sense of technology, BMW i4 is definitely your ideal choice. In order to get more preferential information, please click "Check the car price" in the quotation form and strive for a higher discount.

宿迁地区宝马i4降价来袭!底价30.52万,数量有限

The exterior design of BMW i4 is full of dynamic and futuristic feeling. Its front face adopts the iconic closed double kidney air intake grille, which is integrated with the long and narrow LED headlight group, adding a sense of science and technology to the whole vehicle. The body lines are smooth, showing a unique sports aesthetics, while the roof lines extend backwards, creating a coupe style. On the whole, the design of BMW i4 not only embodies the classic elements of BMW brand, but also is full of innovation and futuristic feeling.

The body size of BMW i4 is 4785*1852*1455mm and the wheelbase is 2856mm, showing an elegant and compact design. The side lines are smooth and dynamic, extending from the headlights to the taillights, creating a dynamic visual effect. The front and rear wheel tracks are 1601mm and 1630mm respectively, which ensures the stability and handling performance of the vehicle. The car is equipped with 18-inch rims, which are 245/45 R18 in front of tyre size and 255/45 R18 in rear of tyre size, highlighting its sports style.

宿迁地区宝马i4降价来袭!底价30.52万,数量有限

The interior design of BMW i4 is fashionable and full of scientific sense. The center console is equipped with a 14.9-inch high-definition touch screen, which makes the information display clear and clear. With the voice recognition control system, the driver can easily control the functions of multimedia system, navigation, telephone and air conditioning. The steering wheel is made of leather, which provides manual up-and-down and forward-and-backward adjustment functions to ensure that the driver can find the most comfortable position. The car is also equipped with USB and Type-C interfaces, two in the front row and two in the back row, which is convenient for passengers to charge electronic equipment. In addition, the front row is also equipped with a mobile phone wireless charging function, which provides great convenience for modern driving. In terms of seats, BMW i4 offers the option of mixing imitation leather, genuine leather and fabric/suede materials. The main and co-pilot seats support various functions such as front and rear adjustment, backrest adjustment, height adjustment (4-way), leg rest adjustment and lumbar support (4-way), which ensures the comfort of long-distance driving. The front seats are also equipped with heating function to cope with cold weather. On the whole, the interior design of BMW i4 not only pays attention to comfort, but also is full of sense of science and technology, which brings all-round pleasant experience to drivers and passengers.

宿迁地区宝马i4降价来袭!底价30.52万,数量有限

BMW i4 is equipped with an excellent motor with a maximum power of 250 kW and a maximum torque of 430 Nm, providing excellent power output and smooth acceleration experience for drivers.

It said: "The configuration parameters of 3, 5 and X3 of the I series are almost the same, except that the shell has been changed. I want to buy I4 for more than 100,000 yuan, just for a personality. Of course, it is still imported, and there is no need to do such a thing as buying it home. At first glance, the big nostrils are not mediocre. When I drive out, people are guessing at 600,000. I am sorry. "

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Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  Spend 20 thousand yuan

  How to turn a blank house

  Into a warm nest?

  Recently, a girl in Wuhan was online.

  Record the renovation process of your own rough house throughout the process.

  Attract netizens to watch.

  In person, she spent 20,000 yuan to transform the rough house.

  Netizens are asking for experience sharing.

  At the beginning of January this year, Minger (pseudonym), who works in Wuhan, began to update this transformation process online in real time. From the clearing and cleaning of rough houses to the details of kitchen decoration, Minger told the whole process of transformation with video.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  Ming-er moved into the warm nest after the renovation. Reporter Shang Pei photo

  Her account attracted more than 1,500 fans in four months, and the message area became a "decoration experience exchange conference". Netizens threw out various questions: "How to waterproof the bathroom?" "How many watts is suitable for ceiling lamps?" "How to treat the wall is beautiful?" She’s leaving a message about how to handle the next reply.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  A warm nest after transformation. Photo courtesy of respondents

  On May 11th, the reporter of Changjiang Daily saw during the visit that the renovated blank house had no traditional partition, and the open layout skillfully integrated the living room, study room, bedroom, cloakroom and other spaces. The curtain was transformed by Minger with old sheets, and the shelf and hanger were also assembled by herself, which only cost more than 200 yuan.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  Minger works in her room. Reporter Shang Pei photo

  Talking about the original intention of staying in a rough house, Minger admits that she has been renting a house outside in recent years, but renting a house has some shortcomings in all aspects. In December last year, my best friend offered to let her stay in an idle rough house in Hongshan District for free, which needed to be decorated simply by herself, which was exactly what she wanted. She calculated an account and found that the cost of renting a house for two years far exceeded 20 thousand yuan, and she could use this money to build a warm nest of her own.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  The rough house before transformation. Photo courtesy of respondents

  Due to the limited decoration budget, she resolutely gave up the "big projects" such as balcony sealing and tile sticking, and focused on the basic transformation of water and electricity, kitchen and bathroom, wall and floor. Laying circuits with open wires not only saves costs, but also leaves room for future demolition. The ground has only been solidified and painted with topcoat, which is dust-proof and easy to clean. She and her friends personally went into battle to paint, and the decoration master also took her to the defective brick area and the corridor "Taobao" to find old furniture that the neighbors didn’t want, which saved a lot of money.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  A warm nest after transformation. Photo courtesy of respondents

  My friend exclaimed as soon as he entered the door:

  "I didn’t expect a rough house to live so comfortably."

  "Although the house is a blank, life can be hardcover." This is Minger’s signature on social media. In her view, the harmony of furniture and home appliances is far more important than the gorgeous appearance of the house. In the past, when renting a house, because the landlord didn’t reserve a dishwasher, she had to put the dishwasher on the balcony and run back and forth every time she washed the dishes. Now that she has decorated herself, she deliberately asked the master to reserve the position of the dishwasher, which makes it much more convenient to do housework.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  The transformed nest. Photo courtesy of respondents

  Minger told Changjiang Daily that her choice was not understood by her parents at first, and even considered as "nonsense" by them. But when parents saw their daughter turn the rough house into a comfortable home little by little, their attitude gradually changed. My mother, although she is not forgiving, quietly sponsored a washing machine.

  Not long ago, Minger held a warm house party. As soon as friends entered the door, they sighed, "I didn’t expect a rough house to live so comfortably!" " My best friend didn’t recognize her own house, and she felt particularly warm after the renovation of her new home.

Wuhan girls spend 20,000 yuan to renovate rough houses, and netizens seek tutorials online.

  The transformed nest. Photo courtesy of respondents

  "I’ve always liked tossing and challenging new things. The renovation process is really tiring, and I admire myself for sticking to it. Next, I will continue to update the video and share more dry goods for decoration. " She said.

  Reporter | Shang Pei

  

[Editor in charge:

]

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The first broadcast of "The Way to the South" was controversial. Can Xiaogang Feng’s "debut of online drama" still start?

Author: a dead end

Reprinted source: a little drama reading (ID: yidianjd)

Xiaogang Feng has also come to shoot an online drama, which is still a fashionable theme of urban women.

Within 24 hours of the launch of the new drama "Beizhenanyuan" on the iQiyi platform, the drama began to show the quality of "explosion". From the night of the premiere, it won two hot searches in Weibo, # Liu Xiaoqing as Grandma Gina # and # Bo Huang Lyric as the opposite play #, and it was less than 12 hours since it was launched, and it became the top10 series of many professional data lists, such as Cat’s Eye, Detawen and Guduo, and "Going South" can be described as a hot start.

However, in sharp contrast, it is the word-of-mouth trend of the play. On Douban, more than 2,000 people have come to score the play, and more than half of the netizens have given negative comments such as "floating" and "ungrounded". What’s more, some netizens even labeled Xiaogang Feng, who was "descending to earth" to shoot online drama, as "Jing M.Guo", thinking that his creative content seriously violated the living soil. "His works have long lost their popularity." On Douban, a netizen vomited.

This is not the first time that Xiaogang Feng has filmed an online drama. As early as 2019, he and his "old partner" Lu Guoqiang jointly created a martial arts theme "Sword Dynasty". At that time, the drama also experienced a tug-of-war of traffic and word of mouth, and finally ended with Douban 6.2, with a mediocre response.

"Crossing the South" can be said to be more like Xiaogang Feng’s "pro-child".In this film, Feng not only personally acted as a director, but also brought his wife Xu Fan, his old friend Zhao Xiaoding (a photography director who has worked together for many years) and half of the entertainment circle to "play a supporting role".The leading characters chosen are also female artists with acceptable reputation and popularity in the entertainment circle at present, such as Lyric and Gina. Even Wang Luodan, who hasn’t been filming for a while, gave a "special performance" in this play.

Regrettably, even with such a "Big Mac" configuration, it failed to get a good reputation for the first broadcast. From another point of view, this may also be the common feature of women’s topic dramas, that is, the topic is greater than word of mouth. Can Xiaogang Feng’s "debut of online drama (director)" be successfully started?

 "Petty bourgeoisie" version of her theme,

The "Trouble" in "Going North to the South"

  

"Never imagined that one day I would see the shadow of Jing M.Guo in Xiaogang Feng’s works. "After the broadcast of" North Zhe Nan Yuan ",the most commented on it on the Internet is the" suspended plot "in the play.

It is said that it is "suspended". In fact, there are many realistic topics in the play, such as the problem of "Mr. Digital" who directly hits the entertainment circle, the common phenomenon of male two acting without flow and male one grabbing the position, all of which make the audience hooked. "Small steel gun is still that small steel gun, dare to say and dare to criticize."

However,Once it returns to the main line of the plot, the drama will give the audience an impression of "it’s a pity to eat tasteless".The novel "Going North to the South" focuses on five urban women, who set up a restaurant called "Going North to the South" as the story background. In the process of starting a business, they have gained love and growth along the way.

At first glance, the setting of the whole drama is quite similar to many love women urban dramas such as Ode to Joy and Nothing But Thirty, but the core of the drama is far from it. If Ode to Joy and Nothing But Thirty still have a "realistic" side, then "Going to the South" seems to speak for China’s "rich areas". Unfortunately, it didn’t uncover the realistic topics such as class contradictions and social injustice in the upper class, like Korean dramas, but it covered a "realistic" shell and told the troubles of a group of rich people in petty bourgeoisie families.

Therefore, the troubles of the "protagonist" in the whole play are untenable. For example, Bao Xue, played by Lyric, graduated from the Central Academy of Drama and has been a walk-on for many years. Her acting skills are good, but there is no play to shoot. Just when the audience almost thought that she was a member of the drifting army, when the camera turned, grandma lived in a private luxury villa and Bao Xue lived in a courtyard house in Beijing … Of course, if she developed according to such a character, it would be feasible. After all, the audience also likes to watch the story of "rich girls wandering the rivers and lakes". But when the conversation turned, the rich girl who wanted to start a business couldn’t even get the 300 thousand principal, which really made it difficult for the audience to understand

If Bao Xue’s personal design is only a little controversial, then Dai Xiaoyu played by Gina and You Shanshan played by Wang Luodan are completely out of the category of realistic creation.

"Turtle" graduated from graduate school with beauty and wisdom, but Dai Xiaoyu was cheated by love rat for seven years, only to find himself "being a mistress" at the wedding; Not only that, Dai Xiaoyu, who was looking for a job after returning to China, won the job as a public relations manager with "beauty and alcohol consumption" in a wine game. Not only did Dai Xiaoyu’s grandmother not understand, but the audience did not understand: why did the screenwriter match him with "stupid" things, which failed to reflect the temperament of a turtle and an elite in the workplace?

Wang Luodan’s You Shanshan is even more outrageous. After graduating from college, she happened to be in the investment industry, and now she is a "businesswoman" with small achievements. The reason why she brought several sisters she just met to open a restaurant is also quite rich. "I really think you are a good person." Netizens also said to this, "This is not a female entrepreneur, this is a female philanthropist."

In fact,Not only is the character setting slightly "suspended" in "North Crossing the South Pole", but the whole drama reveals a "luxury" wind from the setting to the story background.. For example, the car driven by Wang Luodan in the play is a million luxury cars that ordinary people can’t reach, and the luxury private villa where grandma lives is on the Second Ring Road in Beijing. The usual hobby of "sisters" is not swimming and feathering, but "riding" as standard for the rich.

The realistic version of "Beijing Circle" is full of honey and the rising version of "petty bourgeoisie" life is the consistent description of the drama by netizens. Judging from the theme and the core of the play, this is more like a "misplaced" expression directed by Xiaogang Feng, that is, covering the shell of the rich and telling the troubles that only the poor have.

This is an important factor for the controversial reputation of the play at present, and it is also another "beginning" for netizens to point to Xiaogang Feng himself.

The great director entered the online drama:

Can Xiaogang Feng pull it back?

  

At present, the online drama market has already entered the era of high-speed development with the highest standards and strict requirements. In the first six months of this year alone, there were more than 10 online dramas with a score of more than 7 in the market, among which there were many well-received and well-received word-of-mouth works such as Shan He Ling and Si Teng.

The rapid development of online drama has also attracted a group of well-known filmmakers and even movie actors to come to the game. At the same time, their co-creation dilemma, that is, much cry and little rain, also makes the market eye-catching. For example, the legendary drama Legend of the Early Republic of China, which was previously supervised by Chen Kaige and starring Seven and Oho Ou, was mentioned by Chen Kaige in the previous interview. The reason why he supervised the drama was that he valued the theme of the work. Many elements contained in the drama, such as the early Republic of China, strange people and gossip, also convinced the audience that this was an attempt to "touch the net" based on the rationalization of the theme.

However, judging from the word-of-mouth and final volume of the works, the market is unwilling to admit that this is an attempt by the famous director Chen Kaige to "touch the net", and the rumor that the great director "touches the net" is a nominal producer has been widely circulated.

Things came to Xiaogang Feng. As a first-line director in China, who is on par with Chen Kaige, Zhang Yimou and other famous directors of the fifth generation, Xiaogang Feng was not a trained director, but he made his debut by directing TV dramas in his early years. In terms of film artistic attainments, he may not be as brilliant as the directors in the same period, but he was the first leader in creating Chinese New Year comedies. According to the statistics of some media, by the end of 2010, the name "Xiaogang Feng" had appeared 12 times in the annual list of the top ten mainland films. Feng’s comedy style is deeply rooted in the hearts of the people.

(Some works directed by Xiaogang Feng)

The "transformation" is from the beginning of 2010, when a number of "newcomers" such as Ning Hao, Xú Zhēng, Chen Sicheng, Bo Huang and Jason Wu began to emerge in the film market, which belonged to the box office era of the fifth generation directors and gradually came to an end.

Since then, Xiaogang Feng’s name has rarely appeared in the list of the top ten box office in China. Only two or two records were made, including mr. six in 2015 and Fanghua in 2017. Since then, Xiaogang Feng’s new work "If I don’t know" has fallen into the dilemma of both word-of-mouth and box office, and Xiaogang Feng is losing the film market that he is gradually proud of.

In 2019, it was Xiaogang Feng’s first experience of "touching the net", producing the martial arts drama "Sword Dynasty", but the result, as mentioned above, was "no success". The first shot of Feng’s online drama did not start. "North Crossing the South" can be regarded as Xiaogang Feng’s second work after "touching the net", and it is also a real directorial debut.

Except that the above-mentioned "group disk" resources are basically brought by himself,In the play, "Beijing flavor" breaks the mouth and attacks the illusion of entertainment circle, which also fully shows the comedy style of Feng’s early works.It’s a pity that once we get into the drama, this "garrulous" comedy creation style can only be brought into play under the double insurance of "Xiaogang Feng+Ge You"-young actors such as Lyric and Gina are obviously not suitable for this kind of creation style.

Fortunately,This is a drama about urban women, that is, the more controversial it is, the more topical it is.For example, the social issues such as "virgin complex" and "gold digger" touched upon in Ode to Joy before, and there are also "vampire son", "stay-at-home mother who is asked by her husband not to do his own business" and "postdoctoral fellow with male chauvinism in the late stage of cancer" in the plot of "North Road South". Judging from these plot settings, there is no shortage of topics in the later stage of the drama.

This is director Xiaogang Feng’s first hands-on experience after "entering the network", and it is also a weighing of advantages and disadvantages based on the current market. Perhaps, compared with other "great directors" who entered the online drama in the same period, Xiaogang Feng has also pulled back-after all, before Chen Kaige and Xu Jinglei entered the online drama, there was no online drama with explosive potential in the market.

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The State Council blamed Kunshan for the "82" explosion accident: the secretary of the municipal party committee was dismissed and the mayor was dismissed.

On August 2, 2014, an explosion occurred in the first workshop of Zhongrong Metal Products Co., Ltd. in Kunshan Development Zone. Outside the inpatient department of Kunshan First People’s Hospital, some seriously injured people were transported to other places for treatment. Zhao Yun’s surging information

        The State Council gave a reply to the investigation report on the "8.2" particularly serious aluminum dust explosion accident of Jiangsu Kunshan Zhongrong Metal Products Co., Ltd., and found that it was a production safety accident, and agreed to the suggestions on handling the responsible persons and responsible units. In accordance with relevant laws and regulations, 18 responsible persons suspected of committing crimes have been transferred to judicial organs to take measures, and the other 35 responsible persons have been given disciplinary and political sanctions.

        At 7: 34 on August 2, 2014, a particularly serious aluminum dust explosion occurred in the second polishing workshop of Kunshan Zhongrong Metal Products Co., Ltd., located in Kunshan Economic and Technological Development Zone, Kunshan City, Suzhou City, Jiangsu Province, killing 75 people and injuring 185 others that day. According to the 30-day reporting period after the accident stipulated in the Regulations on Reporting, Investigation and Handling of Production Safety Accidents, 97 people died and 163 people were injured (after the accident reporting period, 49 people died one after another and 95 injured people were treated in hospital, and their condition was basically stable), and the direct economic loss was 351 million yuan.

        It was found that the direct cause of the accident was that the dust removal system in the accident workshop was not cleaned according to the regulations for a long time, and aluminum dust gathered. After the fan of the dust removal system is turned on, the high-temperature particles generated in the grinding process form a dust cloud above the dust collection barrel. The dust collecting barrel of No.1 dust collector was rusted and damaged, and the aluminum powder in the barrel was affected with moisture, which caused an exothermic oxidation reaction, reaching the ignition temperature of dust cloud, causing a series of explosions in the dust collecting system and workshop. Because there is no explosion relief device, the high-temperature gas and combustion products generated by the explosion are instantly ejected from each dust suction port through the dust removal pipeline, which leads to the direct explosion impact on the operators at all stations in the whole workshop, resulting in mass deaths and injuries.

        The management reasons are: Zhongrong Company ignored the national laws and illegally organized project construction and production; Suzhou City, Kunshan City and Kunshan Development Zone have not paid enough attention to safety production, failed to implement the responsibility of safety supervision, and neglected Zhongrong Company’s violation of national laws and regulations on safety production and ineffective management of long-standing safety hazards; The relevant departments responsible for the supervision and administration of production safety did not perform their duties seriously, the examination and approval was not strict, the supervision and inspection were not in place, and the special governance work was not in-depth and not implemented; Jiangsu Huai ‘an Architectural Design and Research Institute, Nanjing University of Technology, Jiangsu Laibo Environmental Detection Technology Co., Ltd. and Kunshan Lingzheng Electromechanical Environmental Protection Equipment Co., Ltd. and other units have carried out architectural design, safety evaluation, dust detection and dust removal system transformation in violation of laws and regulations.

        According to the investigation facts and relevant laws and regulations, we made comments on Chairman Wu Jitao, General Manager Lin Bochang, Manager Wu Shengxian, Deputy Director of Management Committee of Kunshan Development Zone, Member of Party Working Committee and Director of Safety Committee Chen Yi, Deputy Director of Economic Development and Environmental Protection Bureau of Kunshan Development Zone and Deputy Director of Safety Committee Huang Huilin, Deputy Director of Safety Supervision Bureau of Kunshan City Lu Guanfeng, former staff officer of Kunshan Public Security Fire Brigade and current captain of Zhangjiagang Public Security Fire Brigade, Song Xiutang, captain of Kunshan Public Security Fire Brigade.

        The other 35 local party committees and governments and their relevant departments were given corresponding disciplinary and political sanctions.

        Among them, Shi Heping, member of the party group and vice governor of Jiangsu Provincial Government, Zhou Naixiang, deputy secretary of Suzhou Municipal Committee and mayor, and Wang Xiangming, party secretary and director of Jiangsu Provincial Safety Supervision Bureau, were given disciplinary sanctions.

        Sheng Lei and Xu Meijian, members of the Party Group of Suzhou Municipal Government and vice mayors, and Hua Renjie, Party Secretary and Director of Suzhou Safety Supervision Bureau, were given severe punishment.

        Guan Aiguo, secretary of the Kunshan Municipal Party Committee and secretary of the Party Working Committee of Kunshan Development Zone, was given a serious warning and dismissal.

        Lu Jun, Mayor of Kunshan City and Director of Kunshan Development Zone Management Committee, Zhang Yulin, Member of the Standing Committee of Kunshan Municipal Committee, Deputy Secretary of the Party Working Committee of Kunshan Development Zone and Deputy Director of Management Committee, Party Member and Vice Mayor of Kunshan Municipal Government, Party Member and Deputy Mayor, and Zhang Jun, Party Secretary and Director of Kunshan Safety Supervision Bureau, were dismissed from the Party.

        Informed criticism was given to the People’s Government of Jiangsu Province and instructed to make a profound inspection to the State Council.

        According to the Law on Work Safety and other relevant laws and regulations, the Jiangsu Provincial People’s Government instructed the Jiangsu Provincial Safety Supervision Bureau to impose a prescribed economic penalty on Zhongrong Company, and the relevant departments banned Zhongrong Company according to law; The departments of housing and urban construction, safety supervision and environmental protection of Jiangsu Province will punish the units and relevant personnel of Huai ‘an Architectural Design and Research Institute of Jiangsu Province, Nanjing University of Technology, Jiangsu Laibo Environmental Detection Technology Co., Ltd. and Kunshan Lingzheng Electromechanical Environmental Protection Equipment Co., Ltd., and those who constitute a crime will be investigated for criminal responsibility according to law.

        The State Council agreed with the suggestion of accident prevention measures put forward by the accident investigation team, requiring all regions, relevant departments and enterprises to profoundly learn from the accident lessons, always adhere to the red line of "development must not be at the expense of human life", thoroughly implement the new "Safety Production Law" and related laws and regulations, strengthen law and order, implement safety development, strengthen safety supervision of the government and its relevant departments, strengthen safety supervision of development zones, strictly examine and approve administrative licenses, fully implement the main responsibility of enterprise safety production, and promote special rectification of dust explosion prevention.

        The the State Council Accident Investigation Team will publish the investigation report of this particularly serious accident in full.

        

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Break through the "stuck neck" problem! Here comes the "super microscope"

  On August 23, China’s "Eleventh Five-Year Plan" national major scientific and technological infrastructure — — China spallation neutron source has passed the national acceptance, put into formal operation, and will be open to users in various fields at home and abroad. This indicates that China has become the fourth country with spallation neutron source after Britain, America and Japan.

  "Super microscope" is an ideal probe to study the microstructure of material.

  What kind of scientific device is China spallation neutron source? Chen Hesheng, chief engineer of China spallation neutron source project and academician of China Academy of Sciences, said that China spallation neutron source is like a "super microscope" and an ideal probe for studying the microstructure of materials. For example, we can use spallation neutron source to study the residual stress of large metal parts, which is of great significance toIt is very important to improve the performance of key components of high-speed rail and aero-engine components, as well as the service performance of nuclear power plant components.. Besides,The spallation neutron source can be used for the study of combustible ice, magnetic materials and in-situ study of chemical reaction catalysts.

  China spallation neutron originated from the start of construction in September 2011, with a construction period of 6.5 years. It is a scientific apparatus jointly built by China Academy of Sciences and Guangdong Province. China spallation neutron source device includes an 80 million electron volt negative hydrogen ion linear accelerator, a 1.6 billion electron volt fast cycle synchrotron, a target station, and three neutron scattering spectrometers for scientific experiments.

  Experts from the Acceptance Committee organized by the National Development and Reform Commission believe that all the indicators of China’s spallation neutron source meet or exceed the approved acceptance indicators. The overall design of the device is advanced, and the quality of the developed equipment is excellent.The highest neutron efficiency of the target station and the comprehensive performance of three spectrometers have reached the international advanced level.

  It is of great significance to solve the problem of "neck sticking"

  Chen Hesheng revealed that since the trial operation in March 2018, the project equipment has been running stably and reliably. The first three spectrometers have completed 21 sample experiments and achieved the first batch of important scientific achievements. These experiments are aimed at the national key development fields, give full play to the characteristics of neutron scattering, have important scientific significance and representativeness, and cover many frontier and high-tech research and development fields such as energy, physics, materials and engineering, such as lithium-ion battery materials, rare earth magnetism, new high-temperature superconductivity, functional films and so on.

  It is reported that China spallation neutron sourceMore than 90% of the devices and equipment are independently developed and localized.It fills the gap in the field of pulsed neutron application in China, and will be used for.Basic research and high-tech development in many fields provide a powerful research platform.,It is of great significance for China to explore frontier scientific issues, conquer key core technologies of the industry and solve the "stuck neck" problem.

  ▌ This article Source: CCTV News Synthesis