At the end of April 2021, China Satellite Network Group Co., Ltd. was officially established and formally participated in the global competition for high-speed Internet access services in space. Looking at the world, the Starlink project launched by Tesla founder Elon Musk, the British company OneWe ...

Hydrogen energy, as an important way of efficient and clean production and utilization of electric energy, is steadily advancing in my country, and its application scenarios continue to expand. In the "Action Plan for Carbon Peaking Before 2030" issued by the State Council, 11 items involve the fiel ...

In 2022, Omicron will spread around the world, and the new crown epidemic will enter another round of peaks. Injecting the new crown vaccine is still one of the most powerful means of protection. But vaccine production is not evenly distributed around the world, and many impoverished regions need in ...

Zero-volt load means that the electronic load can output a rated full current at a very low input voltage, and the current can be as high as hundreds of amperes. The electronic load has an unavoidable minimum internal resistance due to the conduction-drain-source internal resistance of the field eff ...

From January 1, 2009, the latest effective version of the "Technical Instructions for the Safe Air Transport of Dangerous Goods" issued by the International Civil Aviation Organization (ICAO) has added the UN (United Nations) serial number of dangerous goods, and lithium batteries will be classified ...

At present, solar photovoltaic power generation has matured, and the cost has dropped rapidly. In the foreseeable future, the technology and economy of solar photovoltaic power generation will reach a level comparable to that of conventional energy, which will promote the development of energy trans ...