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1 Introduction The vortex gas flowmeter is a velocity flowmeter that is widely used in the production, storage and transportation of crude oil. Since it has no moving parts and has temperature and pr...[Details]
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According to foreign media AndroidPolice, the dual-SIM mode of Pixel 4a 5G and Pixel 5 has been improved in the March update, and 5G networks can be supported when using dual SIM cards at the s...[Details]
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Ultrasonic level meter is a commonly used measuring instrument with many advantages such as wide measuring range, high accuracy, high sensitivity, fast response frequency, etc. It is widely used in ma...[Details]
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Recently, the team led by Academician Liu Ming from the Key Laboratory of Microelectronics, Institute of Microelectronics, Chinese Academy of Sciences, proposed a solution to build an artificial sens...[Details]
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According to Jiwei.com news, as early as 2020, the author communicated with industry insiders and learned that with TCL Technology's acquisition of Suzhou Samsung Display's production line and BOE's ...[Details]
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In recent years, Huangpu District and Guangzhou Development Zone of Guangzhou have made every effort to promote high-level scientific and technological self-reliance and ignite the main engine of i...[Details]
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Many products now use wireless technology, such as wireless teaching microphones, wireless amplifiers, wireless gaming headsets and other audio products. How do wireless products work? 2.4G wireles...[Details]
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There are two ways to judge the quality of MOS tubes: The first one: qualitative judgment of the quality of MOS tubes. First, use the multimeter R×10kΩ block (built-in 9V or 15V battery), con...[Details]
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On February 22, Tianjue Technology disclosed its 2020 performance report. In 2020, it achieved operating income of 964 million yuan, a year-on-year increase of 78.22%; realized net profit attributabl...[Details]
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To know the performance of transistors and quantitatively analyze their parameters, you need a special measuring instrument, such as a JT-1 transistor characteristic plotter. When there is no specia...[Details]
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The sine wave synthesis uses the simplest timer scanning code table. The internal DAC is only 5 bits, so the waveform is average. If an RC filter is added, it should be okay! In addition to the ...[Details]
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This article will introduce you to a low-power LED lighting driver solution using TI's offline primary
side sensor controller
TPS92310. Due to the use of a constant on-time flyback topology and p...[Details]
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In the project, CPLD is needed to complete part of the algorithm design. The parameters are given by AVR, so the communication between AVR and CPLD needs to be completed. Therefore, a test program is...[Details]
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Overview of research at home and abroad LIBS (Laser Induced Breakdown Spectroscopy) technology was proposed in the 1960s. It uses ultra-short pulse laser to focus on the surface of the sample to form...[Details]
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A permanent magnet generator is a generator that uses permanent magnetic materials to generate a magnetic field. It has the advantages of small size, light weight, high efficiency, and simple maint...[Details]
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