Analysis of UPS battery capacity and discharge rate

When the UPS manufacturer configures the battery , the selected design capacity fully meets or exceeds the power capacity and power supply time requirements of the uninterruptible power supply of the load. However, after the UPS is put into operation, the user often finds that the UPS does not powe

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Webcasting disadvantages

Network broadcasting is an important manifestation of the form of multimedia transmission on the Internet, and also an important manifestation of the online development of radio and television media. For traditional broadcasting, network broadcasting is a supplement to its functions, and the two a

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50 years of history of China's auto industry

The Initial Stage of China's Automobile Industry (1949-1965) ★ In October 1949, the Machinery Industry Bureau of the Central Heavy Industry Department began to prepare for the construction of the automotive industry in New China. ★In April 1950, the Ministry of Heavy Industry est

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Large dry bulk carriers rent for the lunar new year

According to data released recently by the Baltic Shipping Exchange, the average rent for large dry bulk carriers rose slightly during the Lunar New Year, the decline in the Baltic Integrated Dry Freight Index (BDI) has narrowed, and bulk carrier rents have fallen since the end of last yea

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Magnetic separation process

Of ferrous metals generally have poor resources, fine, miscellaneous features, in order to improve the utilization efficiency of black colored metal ores, in recent years, researchers for ferrous metals such as iron, chromium, manganese recycling difficulties, a great deal of theoretical Scientific

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