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China Energy Storage Network News: During the 14th Five-Year Plan period, electricity demand in the central China region will continue to grow, and the task of power supply security is ardu...[Details]

        Designing switching systems for testing electronic and electromechanical devices presents as many challenges as designing the products themselves. With the advent of high-speed logic in devic...[Details]

At present, my country's energy storage industry is gradually moving from the initial stage of commercialization to the key stage of large-scale development, and the demand for energy storage batte...[Details]

I have learned a lot recently, and it is time to do something to review and consolidate the previous knowledge. It is most important to apply what you have learned. Recently, I wrote a small software...[Details]

ECG signals are the manifestation of cardiac electrical activity on the human body surface. The signals are relatively weak, with a spectrum range of 0.05 to 200Hz, a voltage amplitude of 0 to 5m...[Details]

The official version of Android 11 was officially launched on September 8. Although more than a month has passed, the bugs on Android 11 still bother gamers. On Android 11, some games cannot be displ...[Details]

        According to Reuters, VinSmart, a subsidiary of Vietnam's Vingroup, announced that it has cooperated with Qualcomm of the United States to produce Vietnam's first 5G smartphone, Vsmart Aris 5...[Details]

LM339 application Circuit Figure: The LM339 integrated circuit has four independent voltage comparators installed inside. The characteristics of this voltage comparator are: small offset volta...[Details]

3.5 Output Rectification and Filtering Circuit 　　It is composed of a rectifier diode, a filter capacitor and a smoothing inductor. The high-frequency square wave voltage of the secondary winding is...[Details]

Caviar, a Russian luxury brand famous for creating luxurious and expensive replacement cases for Apple's iPhone series, has officially entered China with its Chinese name Kaiwei'a. According to Cav...[Details]

　　1 Introduction 　　In the field of communication countermeasures, there are two ways to obtain large microwave interference power: one is to use solid-state power synthesis technology, but the deve...[Details]

HMD Global today officially released its latest smartphone, the Nokia G21. As the name suggests, this phone is an iteration of the Nokia G20 launched last year. It is available in two different col...[Details]

With the increasing awareness of environmental protection and the gradual increase in the recognition of noise hazards, noise has been increasingly valued by people. In the field of engineering machin...[Details]

Jiwei.com reported on November 25 that the Bureau of Industry and Security of the U.S. Department of Commerce revised the newly added entities and some items on the Entity List in a document with th...[Details]

This week, there were some "outrageous comments" in the automotive industry again. On October 24, Beijing time, Luo Jian, general manager of the marketing department of CATL, said at a p...[Details]