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Gas waist wheel flow meter selection 1. The following three aspects should be considered when selecting a gas rotor flow meter: The type of flow meter, the performance of the flow meter, and th...[Details]
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7. Detection range and acoustic emission angle The detection range of an ultrasonic sensor depends on the wavelength and frequency used. The longer the wavelength and the lower the frequency, the gr...[Details]
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On July 19, the Ministry of Industry and Information Technology issued the "Notice on the Third Batch of Specialized, Precise and Innovative "Little Giant" Enterprises", and Shenzhen Chuangxin Weiwei...[Details]
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For many users who are looking forward to the new generation of iPhone, one of the highlights of this year's upgrade is how the new screen that Apple will use will perform. Display analyst ...[Details]
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Equipment developed for industrial occasions usually has a 4-20mA output interface. In the past, single-chip systems without DAC modules required an external main chip DAC to realize analog quantit...[Details]
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Infrared radiation rate = absorptivity + reflectivity + transmittance
No matter what kind of infrared radiation, once it is emitted, it will be absorbed, so the absorptivity = emissivity. The i...[Details]
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System Ubuntu 12.04 (not in virtual machine) mini2440 CPU model: S3C2440AL-40 Nandflash model: K9F1G08 Norflash model: SST39VF1601 LCD: TPO 240 x 320 $: Ordinary account #: root account *When enterin...[Details]
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China Energy Storage Network News:
The regional power market, which once faded from the public eye, has recently been put on the agenda again after the 22nd meeting of the Central Committee...[Details]
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The epidemic has affected the pace and progress of various industries, including 5G. However, the Ministry of Industry and Information Technology and the three major operators have recently announced...[Details]
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Everyone who writes PLC programs is an expert
Because you need to understand the routine, which is also the idea, you have basically seen two routines in common programs.
1. The out...[Details]
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1 Introduction The design of this frequency meter takes the AT89C51 microcontroller as the core and uses its internal timer/counter to complete the measurement of the period/frequency of the...[Details]
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introduction
The controller area network (CAN) is a multi-host local network launched by the German BOSCH company in the 1980s for modern automotive applications. Due to the advantages of high...[Details]
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Foreign media MSPoweruser reported that Samsung usually releases two flagship smartphone series every year, but this year, the company has different plans. According to the latest disclosure fr...[Details]
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A solid
-state relay is a four-terminal device with two terminals as input terminals and the other two terminals as output terminals. An isolation device is used in the middle to achieve electr...[Details]
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Recently, Trumpchi New Energy announced that its technology brand Trumpchi Intelligent Electric Technology i-GTEC has officially been upgraded to the 2.0 stage, covering three aspects: chassis, thr...[Details]
Power technology
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