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At 14:15 on November 15, a fire broke out in a 28-story high-rise residential building under renovation at No. 728 Jiaozhou Road, Jing'an District, Shanghai. The Shanghai Municipal Government Infor...[Details]
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Cable fault detector, also called cable fault tester, is a comprehensive cable fault detection instrument. It is an important tool for detecting various cables. It can test high-resistance flashove...[Details]
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introduction
Class D audio power amplifier IC has the advantages of small size, low heat generation, high integration and high-definition sound quality. It can provide higher output power than...[Details]
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There are many factors to consider in high-power LED packaging technology , and several key packaging technologies are also mentioned. They mainly include: ⑴ In terms of high-power LED heat ...[Details]
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"Don't brake, just hit it!" Not long ago, a video circulated online showed that when a customer was test driving the Tang DM SUV, a salesperson at a BYD 4S store in Xi'an asked the customer to driv...[Details]
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The neutral point ungrounded system often has voltage imbalance. There are many reasons for voltage imbalance, which makes it difficult for operation and maintenance personnel to judge. If they fai...[Details]
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Great Value's line of self-branded LED bulbs will soon arrive in all of its U.S. stores, starting at less than $9. The bulbs are said to be made by Chinese lighting supplier TCP and are available i...[Details]
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Next, let's look at the consequences of accessing a valid address and writing to a prohibited address. The purpose of the first program is to store the two data 31H and 11H into two units of the ex...[Details]
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In the field of modern industry and automation, servo motors, as a key motion and control device, are increasingly gaining widespread attention and application. With its precise motion control and ...[Details]
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LED
lighting application trends and heat dissipation issues Due to the continuous advancement of solid-state lighting technology, the luminous
efficiency
of LEDs
has been improved in ...[Details]
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Introduction Digital multimeters are commonly used instruments in many industries and often malfunction. This time we have compiled some repair methods and tips to share with you. First, let's summ...[Details]
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On November 23, Beijing Ruihe Intelligent Electric Technology Co., Ltd. sincerely invites you to participate in the 7th Beijing International Charging Station (Pile) Technology and Equipment Exhibi...[Details]
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Abstract: Taking the measurement of the resistivity of silver-copper alloy as an example, this paper analyzes the measurement principle, measurement technical requirements, etc., explains the method ...[Details]
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If a multimeter is used to measure the insulation resistance of a device, then only the insulation resistance value under low voltage is measured, which cannot truly reflect the insulation performance...[Details]
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CNC machine tools, or computer numerical control machine tools, are automated machine tools controlled by computers. CNC machine tools are widely used in mechanical processing, mold manufacturing, ...[Details]