There are still shortcomings in China's high-speed rail, with a large number of bearings imported every year. Is it really not feasible for domestic bearings?
Export of domestic bearings in 20223.39 billion sets, generating 2...
Tech >>
53 years later, it became clear that when the Soviet Union dug through the Earth, why did it stop at 12262 meters?
When it comes to the "deepest well" in the world, the first thing that comes to mind may beKola Superdeep BoreholeIt is indeed the "world's highest" in the past.At that time, the Soviet people claimed toDigging through the EarthAs a result, the work stopped at 12262 meters, and some people said they had dug it upNot cleanSome people say they dug up somethingHellThat's really a controversial topic...
Tech >>
41 year old gradually frozen person Cai Lei: Investing over 1 billion yuan in developing new drugs, using oneself as a mouse, what's the result
followIn May 2014, JD was listed in the United States, and Liu Qiangdong, as CEO, unveiled with a high profile of senior executives,Cai Lei, 36, as the vice president of finance of JD, stood beside Liu Qiangdong. This scene made people boldly speculate that Cai Lei, a promising young man, is likely to be the next successor of JD...
Tech >>
20 years of home appliance sales, let me tell you these 6 points, they are all "magic mirrors" for ordinary families to buy refrigerators
After buying a refrigerator and seeing a variety of marketing advertisements, many friends nodded and didn't know how to choose.Because there are various types and brands of refrigerators on the market, with prices ranging from a few hundred yuan to several thousand yuan or even tens of thousands of yuan, everything is available...
Tech >>
Net profit of Hisense Kelon in the first half of the year increased by 110% -140% on a year-on-year basis, and the chairman revealed the "password" of enterprise development
On the evening of July 14, Hisense Kelon released the announcement of expected increase in performance. It is estimated that the net profit attributable to the parent company in the first half of 2023 will increase by 110% -140% year on year...
Tech >>
BOE Technology A: Net profit in the first half of the year is expected to decline 88% -89% year on year
[Global Network Technology Comprehensive Report] On July 14, BOE Technology A released its performance forecast. It is expected that the net profit in the first half of the year will be 700 million to 800 million yuan, down 88% -89% year on year...
Tech >>
Tencent, who has been struggling for 8 years and has a lot of money, cannot resist it
The 'false fire' of the ear economy is cooling down again.Author | Peach CrispSource | Tiantian Finance 116For those who enjoy listening to books, your ears will be missing another 'old friend'...
Tech >>
In the marriage between Liu Yang, the "aviation first lady", and her husband, there is a hidden truth about her two trips to space 10 years later
Yang Liwei.The first female astronaut in space was on the Shenzhou 9 mission...
Tech >>
62 years ago, the United States sent a chimpanzee into space and after returning to Earth, it discovered something was wrong
After World War II, the United States and the Soviet Union began the Cold War, competing in multiple fields, including space. The Space Race began in the early 1960s, when the Soviet Union took the lead in completing the first manned space flight mission and successfully put Yuri Gagarin into orbit...
Tech >>
Medical research | Shi Yigong's team has published nearly 80 articles in CNS and other fields in the past 10 years
C. ElegansActivated CED-3 and CED-4 apoptotic bodies form whole enzymes, cleaving various substrates, leading to irreversible cell death...
Tech >>
The Three Gorges Dam has been in operation for 20 years, has there been a cost recovery of over 250 billion yuan invested?
The Three Gorges Dam is a world-class water conservancy project constructed by China in the upper reaches of the Yangtze River. It is not only the world's largest hydropower station, but also an important project for flood control, navigation, and water resource utilization in China...
Tech >>
The "Regulations on Underwater Archaeology Work" will be promulgated and implemented within the year, and underwater archaeological surveys will be conducted in Shandong and other places
Poster reporter Sun Jie reports from JinanOn July 10th, the Underwater Archaeological Forum was held in Jinan. As one of the academic activities of the National Archaeological Work Association, participating experts gave 13 presentations on two themes: marine archaeology and canal archaeology...
Tech >>