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1. Measurement errors caused by irregular installation Check whether the installation of the flow meter complies with the specification requirements: For vertically installed flow meters, keep them v...[Details]
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Guangzhou, October 29 (China News Service) (Wang Hua, Lan Wang) China Southern Power Grid Co., Ltd. announced on the 29th that it will invest 10 billion yuan (RMB, the same below) to start the cons...[Details]
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1. Analysis of dv/dt characteristics during operation
(1) Waveform edge superposition characteristics
Driver IGBT control methods, especially inverter type, include V/f control without PG...[Details]
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Agilent Technologies has announced a breakthrough color management system for backlit LCD flat panel televisions that delivers 25 percent brighter colors than current fluorescent backlights. The co...[Details]
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Recently, Xiaomi officially published a long article discussing the performance of Xiaomi mobile phones in technological exploration over the past decade. In terms of hand feel, from Xiaomi 1 to Xiao...[Details]
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Nor Flash Description The connection lines of Nor Flash include address lines, data lines, chip select signals, read and write signals, etc. The interface of Nor Flash belongs to the memory type inte...[Details]
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In recent years, there are more and more portable electronic products with single-chip microcomputer as the core. In order to extend the service life of the battery (or the interval of charging tim...[Details]
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According to foreign media reports, the world's first text message will be auctioned for the first time, with a starting price of 170,000 pounds (about 1.43 million yuan). It is reported that this te...[Details]
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A switching power supply is a power supply that uses modern power electronics technology to control the time ratio of the switch tube to be turned on and off to maintain a stable output voltage. Due...[Details]
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Recently, the list of IC unicorn companies at the "China IC Unicorn Forum" of the 2021 World Semiconductor Conference was announced, and Spark Technology was included in the "2020 Fourth IC Unicorn" ...[Details]
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Recently, Maxwell Technologies Inc. of the United States and CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. (hereinafter referred to as "Qingdao Sifang") reached a major agreement: ...[Details]
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On our path to zero-emission transportation, hybrid electric vehicles (HEVs) are the natural transition from internal combustion engines (ICEs) to battery electric vehicles (BEVs). This transition ...[Details]
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Choosing the wire for the car charging pile is an important decision that will directly affect the efficiency and safety of charging. There are many factors to consider when choosing wires, includi...[Details]
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Contents The present invention generally relates to the fields of mass spectrometry, electrostatic traps and multi-pass time-of-flight mass spectrometers, and more particularly to an apparatus compri...[Details]
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Recently, the 2.1MW/4.2MWh energy storage power station built by Hitech Smart Energy in Guangzhou City, Guangdong Province was successfully connected to the grid and put into operation. This en...[Details]
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