The 13 kilometer tunnel has been repaired for 14 years! How many Chinese engineers have turned their green hair into white hair as tunnels turn into water curtains
You may have heard of it,China has a tunnel with a total length of only 13.39 kilometers, but it took 14 years to complete,What's going on here?This tunnel is the Shanyang Tunnel of the Dali Ruili Railway,It is known as the most difficult railway tunnel for surrounding rock excavation in China, and sometimes even becomes a "water curtain tunnel",Causing headaches for engineers...
Heavyweight! Xiaomi car photos exposed! The appearance and parameters are all publicly available, and the rear of the car is "Beijing Xiaomi"! The new car may be launched in February next year
Edited by: Li ZedongAccording to the official website of the Ministry of Industry and Information Technology on November 15th, the Ministry of Industry and Information Technology has released a public announcement on the content of the "Announcement of Road Motor Vehicle Production Enterprises and Products" (batch 377) and the "Catalogue of Energy Saving New Energy Vehicle Models Enjoying Vehicle and Vessel Tax Reduction and Exemption" (batch 56),Two Xiaomi brand pure electric sedans are listed.According to public information, Xiaomi Motors' product trademark is Xiaomi brand, which is a pure electric sedan,The production enterprise is Beijing Automotive Group Off road Vehicle Co...
Alibaba is about to open up the largest parameter model in China
Alibaba is about to open up the largest parameter model in China. According to Science and Technology Innovation Board Daily on the 9th, Alibaba Group CEO Wu Yongming revealed at the 2023 World Internet Conference Wuzhen Summit that Alibaba is about to open up a 72 billion parameter model, which will be the largest open source model in China...
5896 meters! Construction of the highest altitude meteorological station in the Kunlun Mountains
Science and Technology Daily (reporter Lu Chengkuan) The reporter learned from the Institute of Atmospheric Physics of the Chinese Academy of Sciences that the scientific research team composed of the Institute and the Xinjiang Uygur Autonomous Region Meteorological Bureau recently built a multi factor automatic weather station in Wolonggang, 5896 meters above sea level in the Kunlun Mountains. Wolonggang is located between the northern Tibetan Plateau and the Kunlun Mountains...
Shanghai releases three major action plans in the field of biopharmaceuticals, with nearly 5 million square meters of factory buildings to be built
Shanghai, which has listed biopharmaceuticals as one of the three leading industries, has also released new industrial policies.At the opening ceremony of the 2023 Shanghai International Biomedical Industry Week held on the afternoon of the 16th, Shanghai released three major action plans for the three cutting-edge tracks of synthetic biology, gene therapy, and medical robotics...
The thickness of the thin film is only 1 micrometer, and the key technology of the neutron detector, boron carbide thin film, has been successfully developed in Dongguan
Southern Finance and Economics All Media Reporter Cheng Hao reports from DongguanThe picture shows a high-performance large-area boron carbide thin film sample developed by the Chinese spallation neutron source team (provided by the interviewed unit)The China Spallation Neutron Source, located in the Songshan Lake Science City in Dongguan, is known as the "super microscope" for observing the microscopic world, and the neutron detector is like the "eye" of this large scientific device, used to discover the microstructure of the sample.Currently, neutron detectors based on boron conversion have become a hot research topic internationally due to their excellent performance...
50 meters long and 70 tons heavy! 'Big guy' showcases Huancui's manufacturing strength
Recently, when a reporter walked into the production workshop of Weihai Chemical Machinery Co., Ltd...
The coal seam is as thick as 1 kilometer and extends for thousands of kilometers! Is the world's largest coalfield actually formed by plants?
The world's largest coalfield - the Appalachian coalfield - is remarkable for its huge reserves and important position. This coal field is located in the Appalachian Mountains of the northeastern United States, with an area of 179700 square kilometers, equivalent to a medium-sized province...
High end Instrument and Meter Innovation and Development Forum Held in Beijing, Jointly Exploring New Industrial Paths
Beijing Daily Client | Reporter Sun JieAccelerate the construction of a manufacturing powerhouse, what are high-end equipment enterprises for? On October 13th, the 2023 High end Instrument and Meter Innovation and Development Forum was held in Beijing. More than 270 academicians, industry experts, and business representatives focused on the opportunities and challenges faced by Chinese enterprises, conducting in-depth exchanges on topics such as the development of high-end instrument technology and high-quality manufacturing industry, and jointly exploring new paths for the integrated development of high-end, green, and intelligent industries...
The total length is 68 kilometers! This project starts at the Shimen section!
At the commencement ceremony, the relevant leaders of East China Power Transmission and Transformation and State Grid Hunan Electric Power Company delivered speeches and introduced the project situation; Liao Jianghua, member of the Standing Committee of the County Committee and Executive Deputy County Mayor, attended the event and delivered a speech; The construction party of the engineering project, the relevant responsible persons of the supervision project department, and the owner project department respectively report the progress of the construction work; Cao Gangqiang, Deputy Director of the UHV Office of State Grid Hunan Electric Power Company, announced the start of the project.It is understood that the Ningdian to Hunan project is China's first "Sagehuang" wind and solar power base external transmission ultra-high voltage project...
Claiming 800 kilometers but only running over 600 kilometers, does the Tesla Semi heavy truck have "moisture" in its range?
On December 1st last year, I believe many card enthusiasts still remember the grand scene of Tesla delivering mass-produced Semi electric heavy-duty trucks to PepsiCo and Frito Lay snack food companies. The Semi heavy-duty truck, painted with a beautiful blue and yellow color, has attracted the attention of countless global commercial vehicle companies and cardholders...
Realizing the main arch closure of the largest water conservancy hub project in Shaanxi with a storage capacity of 270 meters above the ground
On October 10th, at the construction site of the Jinghe Bridge at the National Major Water Conservancy Project - Shaanxi Dongzhuang Water Conservancy Hub, the last section of the main arch weighing 28.4 tons successfully reached the assembly point of 270 meters high after being pulled by a cable lifting system for 20 minutes, achieving the closure of the main arch of the bridge...