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The calculation formula is shown in Figure 4.30
The conductor diameter is D,
The distance between the centers of the wires is S (S D),
The effective relative diel...[Details]
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Common faults of three-phase asynchronous motors, including faults occurring at starting, faults occurring during operation, the motor cannot start without any sound, the motor cannot start with a ...[Details]
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In the past month or two, Samsung, SK Hynix and Micron have all raised their official selling prices to reduce production capacity, hoping that memory prices will increase. But overall, the increase ...[Details]
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Turing Quantum, the first company in China to develop quantum chips and quantum computers, recently announced the completion of an angel round of financing worth nearly RMB 100 million, led by Lenovo...[Details]
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STM8 has a maximum of 32 interrupt systems, and the interrupt processing is similar to the cortexm series chips. First, each interrupt vector is solidified inside the system, and the user needs to wr...[Details]
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Recently, BYD disclosed information related to investor surveys. Under the company's strategic layout of market-oriented development, BYD Semiconductor, as China's largest automotive-grade IGBT manuf...[Details]
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Abstract:
To replace the traditional complicated automobile wiring harness, the automobile CAN bus came into being. Based on the CAN bus and combined with the 51 series single-chip microcompu...[Details]
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We have already built three different versions of QT compilation environment ①qt-4.8.5-x11: The qt version that depends on x11 can be run directly on PC with "./" ②qt-4.8.5-x86: The qt version th...[Details]
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On November 24, Kangping County held a signing ceremony for the Hengjiu Antai Independent Energy Storage Power Station Project. County Magistrate Wang Lixun and Shenyang Hengjiu Antai Environmental Pr...[Details]
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AUO announced that the yield rate of its active organic light-emitting diode (AMOLED) panels has exceeded 50%, and it will start shipping in large quantities in the first quarter of 2013. Its producti...[Details]
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1. Introduction
The single-chip microcomputer market can be described as a giant, and the 51 single-chip microcomputer has more users. There is no need to introduce the 51 single-chip micr...[Details]
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In July, it was reported that Xiaomi is now the world's second-largest smartphone manufacturer in terms of market share. After Canalys Research released a report, Xiaomi's market share surpassed Appl...[Details]
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Antai Test delivered a high resistance/low current electrometer Keithley6430 to a research institute in Xi'an and provided a practical demonstration to the customer. The Keithley 6430 electrometer ha...[Details]
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Since May, the price of battery -grade lithium carbonate has been skyrocketing. As of May 18, the average price was reported at 300,000 yuan/ton, with a price increase of 66%. The "rebound" of lithiu...[Details]
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Stock code: 600157 Stock abbreviation: Yongtai Energy The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the...[Details]
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