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With the development of society and the improvement of science and technology, people have put forward higher requirements for the safety and entertainment of driving cars. The central rearview mirro...[Details]
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"Electric heating is a high-quality, comfortable and environmentally friendly heating method. It has many incomparable advantages over other heating methods. Promoting electric heating to replace c...[Details]
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Because the electronic lock is unlocked by the motor driving the clutch, the motor and clutch must be durable, and the two components must be in the lock body to avoid violent unlocking. The qualit...[Details]
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According to Yonhap News Agency, South Korean Deputy Prime Minister and Minister of Strategy and Finance Hong Nam-ki said on the 9th that he had conveyed his concerns to the US side regarding Samsung...[Details]
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Introduction
As an efficient, clean and renewable energy source, hydrogen fuel with zero carbon emissions has been widely recognized by the international energy community. Hydrogen has also bee...[Details]
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Price Management Offices of all counties and districts, Economic Development Bureaus of Dongying Economic and Technological Development Zone and Dongying Port Economic Development Zone, and all cha...[Details]
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The concept of servo motor
A servo motor is a motor suitable for precision motion control. It uses a feedback control system to achieve high-precision control of parameters such as position, s...[Details]
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IntroductionThe main frequency of ARM11 is 533 MHz , and it can reach up to 667 MHz, which is 10 times higher than that of ARM7. It also has more abundant on-chip resources, faster processing...[Details]
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The S120 encoder is a high-precision rotary encoder that is widely used in industrial automation, robotics, CNC machine tools and other fields. The S120 encoder has a variety of models, and the par...[Details]
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Bose has announced the launch of the SoundLink Flex Bluetooth speaker, a new member of its classic SoundLink series. The new Bose SoundLink Flex Bluetooth speaker has a portable and rugged design and...[Details]
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introduction Traditional manual meter reading is time-consuming and laborious, and its accuracy and timeliness cannot be reliably guaranteed. It is not conducive to scientific management and brings g...[Details]
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The two-stage compressor is suitable for high pressure, and the one-stage compressor is suitable for large gas production. Sometimes, more than two compressions are required. Why is staged compress...[Details]
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摘要:最近,对带有同步整流电路的有源箝位ZVS-PWM控制串联谐振变换器的研究和应用不断取得进展。不过,当输入电压偏离特定值时,其效率会严重下降。通过对其各种工作模态转换的分析,阐明了效率下降的原因。为解决这种效率下降,使用了带有分立电感和耦合电感的倍流型同步整流电路模型,并分析了其稳态特性。通过实验,比较了中心抽头型和耦合电感型效率变化曲线。最后,通过分析和比较,得出结论。提出了一个整流电路,在...[Details]
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With the continuous acceleration of urbanization, the population density in cities is increasing. It is estimated that by 2050, more than two-thirds of the world's population will live in cities. Und...[Details]
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Thirty years ago, the use of Micron's 16kb EEPROM in the powertrain became the biggest change since the Ford Model T rolled off the assembly line. In the following thirty years, Micron has been deepl...[Details]