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Tsinghua University’s official website shows that as of December 31, 2021, the school has a total of 111 scientific research institutions in operation that have been jointly established with independ...[Details]
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The measurement principle of electromagnetic flowmeter is Faraday's law of electromagnetic induction. The main components of the sensor are: measuring tube, electrode, excitation coil, iron core and y...[Details]
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Its predecessor is a single-chip board, which assembles CPU chip, memory chip, I/O interface chip, and simple I/O devices (keypad, LED display) on a printed circuit board, and then adds a moni...[Details]
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1 Overview The strong oxidizing and sterilizing ability of ozone makes it widely used in many fields such as water treatment, chemical oxidation, food processing and medical health. The physical...[Details]
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Whether it is from a 2kW lead-acid battery to cold-start a conventional engine, or from a 400V lithium battery with over 400kW to achieve maximum performance in an electric vehicle in "rush" mode, t...[Details]
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At the beginning of this year, the COVID-19 outbreak first broke out in my country, causing all industries to stop working and suspend production. However, with the high level of prevention and contr...[Details]
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SPI (Serial Peripheral Interfacer) is a synchronous serial communication interface introduced by Motorola, which is used for serial connection between microprocessor controller and peripheral expansio...[Details]
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This paper introduces the main features and design scheme of the first high-voltage parallel hybrid 10kV power grid high-order harmonic active filter device independently developed and put into ind...[Details]
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In this tug-of-war over the chip shortage, 28nm capacity is the most in-demand capacity. After UMC announced the expansion of 28nm capacity in Southern Taiwan Science Park, TSMC's Nanjing plant expan...[Details]
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On October 16, the 2020 Yangtze River Delta High-tech Audiovisual Expo kicked off in Nanjing, and the 9th Radio and Television Media Industry Forum and the 7th China Radio and Television Zijin Forum ...[Details]
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1. Pay attention to short circuit
Polymer lithium-ion batteries are prone to short circuits during charging, including internal short circuits, external short circuits, etc.
Although most...[Details]
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Shenzhen Dingyang Technology Co., Ltd. (referred to as "Dingyang Technology", stock code: "688112") was listed on the Science and Technology Innovation Board today. Dingyang Technology issued 26.667...[Details]
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The control system of electric rail vehicles is generally divided into multiple subsystems, and each subsystem is controlled by a master controller. Such a structure design is cumbersome and the pr...[Details]
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The liquid level measurement in the dimethylformamide reactor is completed using a differential pressure level gauge. Its measurement principle is to measure the liquid level or interface based on th...[Details]
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Automatic quasi-synchronous devices play a very important role in the grid connection of power systems. This paper uses ATMEGA128 single-chip microcomputer as the processor to develop an automati...[Details]
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