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Generally speaking, the DC motor can be reversed by changing the power supply direction of the armature or magnetic field. It is more complicated to obtain fast and high-frequency forward and rever...[Details]
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The bridge method for measuring resistance has the characteristics of high sensitivity, high accuracy and good stability, and is widely used in precision resistance strain measurement. The strain of ...[Details]
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On May 9, the 2019 World Ultra High Definition Video ( 4K / 8K ) Industry Development Conference was held in Guangzhou. The conference was co-hosted by the Ministry of Industry and Information Te...[Details]
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Electromagnetic flowmeter is a flowmeter that measures flow based on Faraday's law of electromagnetic induction. The advantage of electromagnetic flowmeter is that the pressure loss is extremely smal...[Details]
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At 18:18 on June 29, with the buzzing sound of the 3101 switch closing, the No. 1 energy storage unit was officially energized, marking the successful grid connection of the State Power Investment Cor...[Details]
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It is reported that the delivery time of the customized SF5 model of SERES sold through Huawei's terminal channels may be delayed due to the large number of orders. A Huawei official said that the re...[Details]
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Recently, researchers from the University of Florida, the University of Michigan, and the University of Electric and Communications Technology in Japan discovered a security vulnerability. Researcher...[Details]
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The attached proteus design diagram and circuit diagram are in the attachment /***************************************************** Project : Version : Date : 2015-10-29 Author :tengzaiba Ch...[Details]
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At present, many domestic research institutions and manufacturers are conducting research on the production process and equipment of high-performance solar selective coatings for flat-plate co...[Details]
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Capacitive switch is a highly intelligent level measurement product. The principle is to use advanced radio frequency capacitance technology to measure the level through the change of several capacit...[Details]
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OPPO recently released its new Find X5 series of mobile phones, one of which uses OPPO's self-developed imaging chip "MariSilicon X" for the first time. Not only OPPO, but also domestic mobile phones...[Details]
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The first step in online power supply design is to define the power supply requirements, including voltage range, output voltage, and load current. Possible solutions are automatically evaluated and ...[Details]
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Liquid level meter detection method: 1. Knocking and hand pressing method: It is common to encounter the phenomenon that the instrument runs well and sometimes badly. Most of this phenome...[Details]
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China Energy Storage Network:
The concept of energy internet has been proposed for a long time. Now, Germany will gradually turn it into reality. It has also put forward 10 suggestions on dev...[Details]
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On the 14th, Nature magazine reported a quantum processor that can surpass classical computing without error correction. This IBM 127-qubit processor surpasses the current best classical computing ...[Details]