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Today (6), the National Development and Reform Commission released the "Implementation Plan for Promoting the Update and Upgrade of Key Consumer Goods and Facilitating Resource Recycling (2019-2020)"...[Details]
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About the heat sink of LED bulb
From the LED bulbs (E26 socket products) made by Japanese manufacturers sold in home appliance stores, the number of products with simple designs without heat s...[Details]
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For a long time, the anti-interference of computer systems has always been an important issue of concern to people, because computers are becoming more and more widely used, and reliability is becom...[Details]
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introduction
A Schmitt trigger is usually composed of a comparator plus a positive feedback resistor, or is made into a specialized integrated circuit. It is mainly used for shaping signal waveform...[Details]
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Abstract: TOPSwitch-II device is a new PWM/MOSFET two-in-one integrated chip. Using it to make high-frequency switching power supplies not only simplifies the circuit, but also improves the elec...[Details]
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The emergence of lithium batteries in the 1990s is an important milestone in the field of energy technology. Compared with other secondary batteries, lithium batteries have higher volume density and e...[Details]
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Introduction DCD: Data Definition directive It is generally used to allocate storage units for specific data and to initialize the allocated storage units. Syntax format: Label DCD (or DCDU) Expres...[Details]
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On December 16, 2019, Intel announced that it would acquire AI chip startup Habana Labs for $2 billion. At the time, some people speculated what this acquisition meant for Nervana. According to Leife...[Details]
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Previously, the powerful mid-range model OPPO A9x with a standard 48-megapixel main camera and 6GB+128GB large memory combination was loved by consumers. Recently, the information of OPPO A9x in the ...[Details]
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On June 13, Reuters reported that Toshiba's second-largest shareholder demanded the immediate resignation of its chairman and three other directors after an investigation found that the company coll...[Details]
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The three major A-share indices closed higher today, with the Shanghai Composite Index up 0.85% to 3477.22 points, the Shenzhen Component Index up 1.72% to 14990.11 points, and the ChiNext Index up 2...[Details]
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The concepts of intelligent driving and driverless driving were still new to most people a few years ago, but today, the development of these technologies has created many previously unforeseen poss...[Details]
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The third stage is to establish a buddy Buddy's lifespan mm_init- mem_init returns - no end point Buddy managed memory size The memory managed by buddy is determined by memblock The portion of me...[Details]
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When you get a transistor, the first thing to do is to measure the transistor so as to distinguish the two-stage position of the transistor. The most commonly used method for measuring transistors ...[Details]
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The traditional light source for microscopes and medical optical instruments is a low-voltage incandescent lamp or a halogen tungsten lamp. The energy conversion distribution of incandescent lamp i...[Details]
Test/Measurement
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