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The problem of frequency converter speed regulation generally includes stepped speed regulation and stepless speed regulation.
Stepped speed regulation means that the frequency of the inverter...[Details]
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The biggest technical highlight of 2021 is whether the two 800V models to be launched by Hyundai and Kia can stand out in Europe and South Korea. There are two highlights here: whether the fast charg...[Details]
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The micro-water meter is also called the micro-water tester. It is mainly used to detect the humidity of SF6 gas. The instrument is suitable for the fields of electricity, petrochemical, metallurgy, ...[Details]
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introduction
Due to the oil crisis and increasingly serious environmental pollution, the development of electric vehicles has become an irresistible trend. Batteries provide power for electric...[Details]
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Source: The content is original from Semiconductor Industry Observer (ID: icbank), author: Jiang Siying, thank you! On January 16, 2021, the China IC Conference, an annual high-profile event for fa...[Details]
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As the leading screen manufacturer in China, BOE has had a very ambiguous relationship with Apple in recent years. Apple has always had very strict requirements on its supply chain, which also indire...[Details]
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Recently, Cruise, an autonomous driving technology company under General Motors, announced that it had received a new round of financing of up to US$1.15 billion. After this financing, Cruise's valua...[Details]
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a. Ambient temperature and humidity
The resistance value of general materials decreases with the increase of ambient temperature and humidity. Relatively speaking, surface resistivity is more ...[Details]
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As a new light source,
LED power supply
and
drive
circuit are different from the electronic ballast of fluorescent lamps.
The main function of
LED drive circuit
is to co...[Details]
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Recently, Jon Prosser, a well-known technology blogger, revealed that Apple is testing new Face ID hardware. Even with a mask on, the new hardware can perform face recognition. According to the expos...[Details]
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High power density, high efficiency and small size have become the key driving forces for the development of current
module power supply
technology. The dual-tube forward circuit is one of the ...[Details]
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As the epidemic prevention and control situation changes, in order to ensure teaching progress and quality, major universities have deeply promoted and improved the online teaching model and have new...[Details]
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German media Frankfurter Allgemeine Zeitung said that Intel has chosen Magdeburg, the capital of Saxony-Anhalt, as the site of its new European wafer factory and will officially announce it next week...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Every day, millions of pedestrians, cyclists, and motorcyclists share road space with large vehicles. These vulnerable road users (VRUs) face unique safety risks due to the lack of protection provi...[Details]