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The Bureau of Industry and Security (BIS) of the U.S. Department of Commerce pre-published a final rule in the Federal Register to revise the "Entity List" listed in Supplement 4 to Chapter 744 of th...[Details]
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The capital's policies take the lead, and companies such as Pony.ai and Baidu are promoting testing, and Shanghai and Guangzhou are unwilling to lag behind. Autonomous driving is ushering in a wav...[Details]
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A leakage relay
is
a protective device that can cut off
the power supply
of
the protected line when the leakage current of the protected line reaches the set value.
It plays a ver...[Details]
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The high-voltage isolated differential probe is a power measuring instrument mainly used to measure parameters such as voltage, current and power in high-voltage circuits. It protects personnel and...[Details]
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On May 15, it was reported that GAC New Energy's graphene material "super fast charging battery " has completed the testing of battery cells, modules, and battery pack samples, and has been loaded w...[Details]
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As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive tag...[Details]
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On the afternoon of January 13, the municipal government signed a strategic cooperation agreement with China Huadian Corporation to accelerate the construction of the Puxian pumped storage project ...[Details]
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When the printf function formats the output, it calls the char putchar(char c); function. This function can be found in "stdio.h", so we need to construct such a function ourselves, that is, through ...[Details]
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Sensing the physiological characteristics of biological tissues is of great significance for understanding the development process of tissues and assisting in disease diagnosis and treatment. Accur...[Details]
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The circuit consists of a full-bridge inverter and a current doubler rectifier circuit . Depending on the load size, the circuit can operate in discontinuous and continuous modes. In the discontinuou...[Details]
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Hardware Hookup As shown in the figure, the 16*16 dot matrix is divided into 16 POS pins and 16 NEG pins. The 16 NEG pins are connected to the parallel output of 74HC595 (U16, U17). We conne...[Details]
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1 Introduction
Technicians and engineers in many industries often need to perform floating measurements on two or more signals at work, that is, measuring multi-terminal signals without a refer...[Details]
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The stator winding of the motor is mostly made into a three-phase symmetrical star connection, which is very similar to the three-phase asynchronous motor. The rotor of the motor is attached with a...[Details]
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According to foreign media Notebookcheck, Lenovo launched its new ThinkReality A3 AR glasses at the 2021 Consumer Electronics Show. Officials said that the glasses are "one of the most advanced ...[Details]
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According to foreign media reports, the community-based decentralized network GEODNET Foundation has launched a breakthrough GPS device GEO-PULSE, which is designed to provide unprecedented positio...[Details]