Science and Technology Daily Intern Reporter Luo Yunpeng Correspondent Zhong Xingli Zhang FangOn September 15th, the 2023 Shenzhen Rail Transit Intelligent Construction and Quality Monthly Observation Conference was held in the second phase of the Shenzhen Metro Line 16 project in Guangdong Province, where more than 10 intelligent and digital "black technologies" were unveiled.The location of this observation meeting is Longxing Station, the second phase project of Shenzhen Metro Line 16...

Before reading this article, please click on "Follow" to facilitate your discussion and sharing, as well as bring you a different sense of participation. Thank you for your support!prefaceThe aviation industry, as a knowledge intensive and technology intensive industry, consumes time and money that ordinary people cannot imagine...

You can leave without anything when you go outBut you can't go without your phoneAnd the phone must have electricityPower Bank as a Mobile "Gas Station"Has become a necessity in our livesHas deeply integrated into our liveshoweverMost power banks use lithium batteriesDue to its chemical propertiesUsing flammable organic electrolytes, etcThere are certain potential risksIf encounteringHigh temperature, squeezing or collisionOr use counterfeit productsExtremely prone to fire and explosionCausing very serious consequencesLithium batteries and power banks have a "new insurance" for quality and safetyRecently, the State Administration for Market Regulation announced that starting from August 1, 2023, CCC certification management will be implemented for lithium-ion batteries, battery packs, and mobile power sources. Starting from August 1, 2024, those who have not obtained CCC certification and marked with certification marks shall not be allowed to leave the factory, sell, import, or use them in other business activities...

Preface:Have you ever encountered a requirement where the product requires the same user to be allowed to log in at the same time according to backend Settings, or when it is not allowed to log in at the same time, it is necessary to force the previous offline scenario. This article will lead you to implement a simple requirement for this scenario...

On July 24th, Musk posted that "X.com is now pointing to Twitter...

Maglev with a speed of 600km/h, the world's largest marine Gene pool, Leitz ultra high precision measuring machine, "Fuxing" intelligent Multiple unit, air suspension centrifugal water chiller, active air temperature control container....

Our newspaper, Hohhot, July 21 (Reporter Wang Junling) On July 21, the national high-quality development conference on uranium geological exploration hosted by the Chinese Nuclear Society and undertaken by the China Nuclear Industry Geology Bureau was held in Hohhot, Inner Mongolia. The reporter learned from the meeting that in the past decade, China has achieved significant breakthroughs in uranium exploration...

Beijing, July 21 (Reporter Li Hongmei) At present, China has entered the critical period of "seven lower and eight upper" flood control, and North China has entered the rainy season. Meteorological monitoring showed that heavy to rainstorm occurred in western Beijing and central Hebei on the night of the 20th, and strong rainfall still occurred in North China during the day of the 21st...

You can leave without anything when you go outBut you can't go without your phoneAnd the phone must have electricityPower Bank as a Mobile "Gas Station"Has become a necessity in our livesHas deeply integrated into our liveshoweverMost power banks use lithium batteriesDue to its chemical propertiesUsing flammable organic electrolytes, etcThere are certain potential risksIf encounteringHigh temperature, squeezing or collisionOr use counterfeit productsExtremely prone to fire and explosionCausing very serious consequencesLithium batteries and power banks have a "new insurance" for quality and safetyRecently, the State Administration for Market Regulation announced that starting from August 1, 2023, CCC certification management will be implemented for lithium-ion batteries, battery packs, and mobile power sources. Starting from August 1, 2024, those who have not obtained CCC certification and marked with certification marks shall not be allowed to leave the factory, sell, import, or use them in other business activities...

Source: Customs ReleaseRecently, during the unpacking inspection of an incoming mail item, Jinan Post Office Customs seized two plastic cans containing a large number of beetles, totaling 1000 beetles weighing 2 kilograms, and the cans also had a pungent odor. After identification, the beetles inside the jar are the Ya's double concave dung beetle, the beetle of the genus Dung beetle, the giant dung beetle, the Shen Nong Jie dung beetle, and the bull headed dung beetle, all of which have died...

Some "AI drawings" involve underage soft pornographyIn 2019, the Regulations on the Protection of Children's Personal Network Information issued by the Cyberspace Administration of China was implemented on October 1 of the same year, which made detailed provisions on the protection of children's personal network information. Among them, the worst impact of children's personal information is the possession and dissemination of child pornography...

(The headline of this article is strictly prohibited from being moved, and full network rights protection has been opened)If you like it, you can click on the word "Follow" above. Pay attention to the development of Chinese technology together!When I woke up, there were four great news about Chinese technology, and I felt refreshed!Firstly, the self-developed success has been achieved: AG600 has completed the fire extinguishing scenario test flight and entered the airworthiness verification stageAccording to CCTV News, China's self-developed large firefighting/water rescue aircraft AG600 has the ability to carry out firefighting tasks...