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1 Principle of Through-Casing Resistivity Logging
Formation resistivity is an essential factor in evaluating the hydrocarbon content of a reservoir. Formation resistivity mainly depends on the...[Details]
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The advent of lithium-ion batteries has revolutionized energy storage technology, and battery-powered devices are now almost everywhere. However, existing lithium-ion batteries require a large amount...[Details]
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For the noise of switching power supply, besides the chip itself, the layout design is the most important. Here are some related tips. Many concepts about EMI are universal. Let's talk about some k...[Details]
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Yonhap News Agency, Seoul, June 7th. South Korean President Yoon Seok-yeol emphasized the national security and strategic value of the semiconductor industry at a cabinet meeting on the 7th and instr...[Details]
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Specific performance: 1. The program can work normally even with a 20M external crystal. 2. When using a 24M external crystal oscillator, it does not work. After measuring with an oscilloscope, the c...[Details]
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While there are many instruments that can accurately measure small DC currents (up to 3A), few can accurately (better than 1%) measure DC currents above 50A. This large current range is typical of ...[Details]
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#define WARM_KEY_PIN (GPIOC- IDR&(1 5)) #define Speak(tmp) GPIOA- ODR=tmp?(GPIOA- ODR|1 12):(GPIOA- ODR&(~(1 12))) (1) IDR is a register used to check the pin level status, and ODR is a r...[Details]
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What are the main parameters of an integrated operational amplifier?
Answer: (1) The maximum differential input voltage Vidmax
refers to the maximum differential voltage allowed to be applied to t...[Details]
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In late 2019, Xiaomi unveiled a concept phone called the Mi MIX Alpha with a wraparound screen, but the device was never officially released, and the company didn’t even announce its successor a year...[Details]
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1602 LCD pin function As can be seen from the table below, the main pins that the microcontroller can control are RS, R/W and E. How to control them? This requires finding the answer from the read an...[Details]
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As for the important reasons restricting the development of electric vehicles, I think the range is not the most important, because even if the vehicle's range is long, the power will run out at so...[Details]
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For a gasoline engine, gasoline is fed into the cylinder and mixed with air, and then the oil-gas mixture is fully burned to obtain powerful power, so oil-gas mixing technology is also one of the k...[Details]
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Because of the booming new energy vehicle market, lithium resources, an originally relatively low-key industry, has also attracted everyone's attention. This enthusiasm can also be seen from the mark...[Details]
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I have been learning to write multi-file programs these two days. I really couldn't write them at the beginning. Later, I referred to Baidu and found that I could write the basics, but I couldn't wri...[Details]
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1. PIC16C712 microcontroller functions, features, and application areas 1. Functions and features: PIC16C712 microcontroller is an enhanced product based on the functions of 711 chip launched by M...[Details]
Analog electronics
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