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A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
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The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
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Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
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High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
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No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
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High-voltage switches are important control equipment in power systems and play an important role in the safe operation of power grids. The resistance of the switch conductive loop is an important tec...[Details]
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CAN (Controller Area Network) is a serial communication network that effectively supports distributed control and real-time control. It has the advantages of high reliability, low cost, flexible confi...[Details]
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In the field of power supply controllers, digital power supplies face two major challenges. The first is flexibility, which is actually what engineers expect from digital power supplies. They alway...[Details]
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1. Experimental tasks
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but ...[Details]
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1. Problems with the current transformer maintenance method
The current maintenance method for transformers is to deal with defects during regular maintenance and patrol inspections. There...[Details]
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The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzyme reaction, the current generated will increase as the blood glu...[Details]
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On December 8, 2011, the Guangdong Provincial Department of Science and Technology, together with the Provincial Economic and Trade Commission, the Provincial Development and Reform Commission, and...[Details]
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SolarJunction announced that the conversion efficiency of its concentrated photovoltaic cell samples broke the world record of 43.5%, which is 1.2 percentage points higher than the average efficien...[Details]
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In recent years, many companies have launched high-speed data acquisition cards, and claim that they can be used in military radar signal analysis, ultrasonic signal analysis, digital broadcast signal...[Details]
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If one or more segments of the seven-segment LED digital screen do not light up, and the test confirms that the LED is damaged, then the following method can be used to repair it:
We kn...[Details]
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