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As old oil fields enter the high water content period, oil well metering becomes increasingly difficult. In addition, with the development of production and the need for business management, the requi...[Details]
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introduction Electromagnetic ultrasound is a non-contact ultrasonic detection method that does not require any physical contact with the object being tested, does not require coupling agents, and ca...[Details]
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At present, lithium batteries still have safety issues. In recent years, electric car fires have occurred frequently, many of which were caused by lithium battery fires. But the news is that the rese...[Details]
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1. Perform mechanical zero adjustment. 2. Select the appropriate measuring range. 3. When using the current block of a multimeter to measure current, the multimeter should be connected in ser...[Details]
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In response to investors' questions on an interactive platform, Crystal Optech said that the yield rate of the company's prism products is still in the climbing stage, production is constantly increa...[Details]
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All instruments that generate test signals are collectively referred to as signal sources. The oscillating circuit of a signal generator is also called a signal generator, which is used to generate...[Details]
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With the popularity of NAND Flash memory as a large-capacity data storage medium, the NAND flash memory-based file system YAFFS (Yet Another Flash File System) is gradually being applied to various em...[Details]
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Recently, State Grid Hebei Electric Power Co., Ltd. issued a work plan to promote the quality and efficiency improvement of electricity substitution, further expand the electricity substitution mar...[Details]
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There is a high-gain inverting amplifier inside the MCS-51 microcontroller. The input terminal of the inverting amplifier is XTAL1 and the output terminal is XTAL2. The oscillation circuit and clock ...[Details]
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Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]
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There are many types of oscilloscope probes, and there are also many types of probes that match oscilloscopes, including passive probes (including high-voltage probes, transmission line probes), activ...[Details]
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vivo has been working on a new S-series smartphone, and today the company confirmed that the vivo S9 will be launched on March 3. According to a teaser video shared by vivo, the company seems to ha...[Details]
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Mobileye today launched its most advanced and powerful EyeQ® Ultra™ system-on-chip (SoC) designed for autonomous driving at CES. EyeQ® Ultra™ is a streamlined autonomous vehicle chip optimized for ...[Details]
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Corresponding description of the methods in net_device_ops /* * This structure defines the management hooks for network devices. * The following hooks can be defined; unless noted otherwise, they a...[Details]
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The frequency converter is an electrical device used to control the speed of an AC motor. It achieves speed control of the motor by changing the frequency and amplitude of the input power. In pract...[Details]
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