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Auto-coupling step-down starting and star-delta starting are two commonly used motor starting methods. They have different effects on the current and torque of the motor during the starting process...[Details]
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There are several occasions where a DC motor speed regulator is needed:
1. A wider speed regulation range is required;
2. Require faster dynamic response speed;
3. An automatic and s...[Details]
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How to use a multimeter to test the quality of the grounding wire at home? I personally think that a multimeter cannot measure the quality of the grounding wire. A multimeter can only measure whether...[Details]
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Reset Circuit
Figure 1. Reset circuit diagram
The setting and resetting of a microcontroller are both to initialize the circuit to a certain state. Generally speaking, the function of a microcon...[Details]
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The picture shows the SW399
standard battery
replacement.
The circuit shown in the figure is a standard power supply with an output voltage of 1.01V, ...[Details]
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After the Huawei MatePad new product launch yesterday, Huawei Consumer Business CEO Richard Yu revealed in an interview that Huawei will also launch an over-ear headset next year. He said: "Maybe nex...[Details]
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For a gasoline engine, gasoline is fed into the cylinder and mixed with air, and then the oil-gas mixture is fully burned to obtain powerful power, so oil-gas mixing technology is also one of the k...[Details]
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1. Accuracy level The accuracy level and maximum allowable error of the flowmeter within the specified flow range shall comply with the provisions of Table 1. The flowmeter error is expressed using r...[Details]
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Due to the serious overcapacity in the industry, the price of float glass has been falling since 2011, causing great losses to enterprises in the industry. Trapped by the upgrading of downstream in...[Details]
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Recently, the Shanghai Municipal Economic and Information Commission issued the "Shanghai Action Plan to Promote High-Quality Innovation and Development of New Energy Storage Industry (2023-2025) (...[Details]
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1. Will the mobile phase in the column be drained?
Many people who do chromatographic separation experiments have encountered such a situation: the mobile phase is not replenished in time, ...[Details]
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The following is the solution (experimental environment KEIL5 version number: 5.25) first step: Take F103C8T6 small capacity as an example (MD represents medium capacity 64K or 128K), HD repres...[Details]
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On the afternoon of August 17, market sources said that SenseTime plans to submit an IPO application in Hong Kong in the next few weeks, and SenseTime may hire HSBC to arrange a Hong Kong IPO of at l...[Details]
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On April 8, Guangdong Grid Energy Investment Co., Ltd. and China Southern Power Grid Electric Vehicle Service Co., Ltd. signed a 2% equity transfer agreement for Guangdong Grid Electric Vehicle Ser...[Details]
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What is the hottest news in the integrated circuit industry recently? Undoubtedly, the official unveiling of "Nanjing Integrated Circuit University", the first university in my country named after in...[Details]