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The presence of organic substances in exhaled breath was first demonstrated in the 1970s by the first analysis of breath using chromatography. Since then, more than 3,000 volatile organic compounds...[Details]

In the previous article "Dynamic Frequency Selection (DFS) Testing (Part 1)", we introduced the background, test items and specific requirements of DFS testing requirements. In this article, we will c...[Details]

1 Battery structure and control     "Oh my god, man, that's a Tesla, it's brand new." If you didn't see it with your own eyes, no one would believe that the car on fire was a Tesla Model S. Before ...[Details]

On the evening of October 20, Yangtze Storage issued a solemn statement. The following is the full text of the statement: Recently, Yangtze Memory Technology Co., Ltd. (hereinafter referred to as ...[Details]

According to the Xin'an Evening News, at the 5th Anhui University Innovation and Development Summit Forum, Professor Feng Donglai, an academician of the Chinese Academy of Sciences and director of th...[Details]

The number of new energy vehicles in use has gradually increased, and the second-hand new energy vehicle market has gradually emerged, with Tesla being the main force among them.   According to forei...[Details]

This circuit automatically repairs the battery . When in use, connect the power supply VCC to the +12V of the switching power supply, and connect points A and B to the positive and negative poles of ...[Details]

As industrial automation moves closer to intelligence, scientific and technological workers continue to make breakthroughs. In recent years, the use of Industrial Ethernet (Profinet) and inverter c...[Details]

Negative feedback is widely used in electronic circuits. The use of negative feedback is at the expense of reducing the amplification factor. The purpose is to improve the working performance of the ...[Details]

1 Introduction 　　In practical applications, controlling the physical parameters of the controlled object (temperature, humidity, displacement, current, voltage, etc.) within a certain range is one of...[Details]

◎ Zuo Pengfei Chen Jing Recently, a Qatari technology company developed a machine called Swapery that can charge mobile phones in 7 seconds. It is equipped with a lightweight battery pack. Users can a...[Details]

According to foreign media reports, American technology company Draper has developed a new sensor that allows self-driving cars to have more reliable observation capabilities when driving in rain, sn...[Details]

The "Outline of Key Construction Tasks for Ubiquitous Power Internet of Things in 2020" (hereinafter referred to as the "Outline") recently issued by State Grid Corporation of China pointed out tha...[Details]

The underlying code Hello! This is the welcome page displayed when you use the Markdown editor for the first time. If you want to learn how to use the Markdown editor, you can read this article caref...[Details]

On October 16, the second Midea Visionary Conference was held in Shunde, Foshan. Academician of the Chinese Academy of Sciences and professor of Huazhong University of Science and Technology Ding Han,...[Details]