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On March 7, Sanlipu released its first quarter 2021 performance forecast, with an estimated net profit attributable to shareholders of the listed company of 60 million to 75 million yuan, a year-on-y...[Details]
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Hydraulic equipment driven by three-phase asynchronous motors has been widely used in production practice due to its many advantages in operation, and more and more research has been carried out on t...[Details]
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With the development of digital and network technology, the concept of "cloud" appears more and more around us. As the demand for multi-level cross-regional large-scale networking and massive dat...[Details]
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On May 21, during US President Biden's visit to South Korea, Hyundai Motor Group announced that it would invest 6.3 trillion won (about 33.135 billion yuan) to build an electric vehicle factory and a...[Details]
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What is a permanent magnet motor?
Permanent magnet motors use permanent magnets to generate the motor's magnetic field. They do not require excitation coils or excitation currents. They are hi...[Details]
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The transition to an all-electric future depends on low-cost, high-performance and safer batteries. Efforts to optimize the energy density and power of batteries with next-generation electrochemical ...[Details]
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According to foreign media reports, several US lawmakers have proposed a proposal to require mandatory installation of a child forgotten alarm system in all new cars. Currently, this technology exist...[Details]
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Recently, WeChat announced that WeChat Status can support NetEase Cloud Music's one-click sharing function. Many netizens have shared their favorite music on WeChat Status, and they can play i...[Details]
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SMD diodes are also called crystal diodes, or diodes for short. In addition, there are early vacuum electron diodes. S4 SMD diodes are electronic devices that conduct current in one direction. The se...[Details]
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Swept sine waves are useful when you need to test a product over a wide frequency range. For example, if a large-scale research project requires determining how waves propagate in the open ocean, the...[Details]
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The architecture of ARM storage system is very different to meet the needs of different embedded application systems. The simplest storage system uses the address mapping mechanism of the flat service...[Details]
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On November 22, the Hainan Provincial Department of Industry and Information Technology issued the "Notice on Issuing Guiding Opinions on Further Improving the Recycling and Utilization...[Details]
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This paper introduces a method of realizing a position sensorless drive of a surface mounted permanent magnet synchronous motor (SPMSM) by using the MC16C/28 series CPU products of Renesas Company ...[Details]
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参考来源：Keil Help uVision Help Cx51 Compiler User’s Guide Language Extensions Function Declarations There are some differences between function declaration and definition and standard C language,...[Details]
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With the previous Tick interrupt, the basic task switching conditions are "everything is ready, only the east wind is missing". However, this "east wind" is also difficult to understand, and only t...[Details]
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