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On November 15, the Beijing Stock Exchange (BSE) officially opened. Among the first 81 companies listed, 71 were migrated from the "New Third Board" and the other 10 were new stocks of the BSE. All o...[Details]
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On December 29, 2010, the Nanjing Photovoltaic Base of China Electric Power Group held a groundbreaking ceremony for the China Electric Power Photovoltaic R&D Building. Dai Huajie, member of the Stand...[Details]
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Recently, DARPA (the U.S. Department of Defense's Advanced Research Projects Agency) launched a four-year project, hoping to incorporate security features into chip design automation software to help...[Details]
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Weifa Gai Neng Jiao No. 140
Development and Reform Bureaus of all counties, cities and districts, and Economic Development Bureaus of all development zones under the city:
In order to im...[Details]
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The basic principle of vector control
Vector control is an advanced motor control method. Its basic principle is to control the motor's torque, speed and position by controlling the motor's ma...[Details]
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Oscilloscopes and spectrum analyzers are both essential test equipment in electronic testing and measurement, used to observe the time domain waveform and spectrum of signals respectively. The time d...[Details]
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SiC power devices Silicon carbide (SiC) power devices are an important trend in future high-performance and high-power applications. They have the advantages of low resistance , high conductivity a...[Details]
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0 Introduction
In the application of intelligent home control system, wireless communication and control have been used more and more widely. In order to realize the centralized wire...[Details]
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OnePlus announced earlier that the expensive screen on the OnePlus 7 Pro has obtained the HDR10+ certification. The OnePlus 7 Pro is also the only mobile phone on the certification page, along with T...[Details]
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Purpose Function signal generator is a waveform generating instrument based on software and hardware. Various complex signals that need to be detected and analyzed in engineering practice can be deco...[Details]
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What is data acquisition, calibration and recharging?
Automotive data collection, calibration and data re-injection are important steps in the vehicle development and testing process. Here is ...[Details]
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Introduction: In this issue of electrical knowledge, we will introduce in detail the usage and precautions of common instruments, so that everyone can master the relevant knowledge more quickly. 1....[Details]
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In order to provide a practical active cooling solution for high brightness large screen splicing lamps, the heat dissipation technology must be low energy and suitable for small lamps, and its life ...[Details]
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Are tube amplifiers useful?
There are many modern music electronic devices, such as MP3, Walkman, stereo, etc., which enrich our music world and make our life colorful. Amplifier is also a ver...[Details]
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Let me first state a conclusion: the current automobile market is driven by new energy, and the core growth of the new energy market relies on hybrid power.
Data shows that in 2023, my c...[Details]
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