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Recently, the lists of “China’s Top 100 Industrial Counties”, “China’s Top 100 Innovative Counties” and “China’s Top 100 Industrial Districts” were released. Please see the text for the specific list...[Details]

So far, there are 20 to 30 kinds of gas chromatography detectors that people have studied, but only TCD, FID, ECD, FPD, TID, and PID detectors are commonly used on commercial chromatographs 　　. Among ...[Details]

Central topics: LeCroy Oscilloscope Eye Diagram Measurement  The new and old software packages have different usage methods  LeCroy's oscilloscope captured 50MS of data and performed eye diagra...[Details]

      Key points       This article is a self-titled article by zhoufans netizen who is studying the series of lectures on "Knowledge points that must be mastered for DIY computers". It can also be...[Details]

introduction     At present, the use of distributed control system models in sewage treatment plants can maximize the reliability of sewage treatment plant operations, improve effluent quality, red...[Details]

Jiwei.com reported on April 16 that the well-known mobile phone evaluation organization DXOMARK recently announced the screen score of TCL 20 Pro 5G, which was as high as 89 points. In terms of param...[Details]

　　 (I) Measuring resistance with a multimeter 　　 The ohm range of a multimeter can measure the resistance of a conductor. The ohm range is represented by "Ω" and is divided into four ranges: R×1, R×1...[Details]

With the rapid development of micro-electromechanical technology, low-power embedded technology and communication technology, micro sensors with sensing, computing and wireless communication capa...[Details]

1 Application Background After the generator is started, the generator output reaches the rated voltage through the comprehensive control of the speed control system and the excitation sys...[Details]

1. DRAM address space (1) From the address map, we can know that S5PV210 has two DRAM ports. The memory address range of DRAM0 is: 0x20000000~0x3FFFFFFF (512MB); the memory address range of DRAM1: ...[Details]

Small size and light weight: As much as possible, we should use lightweight raw materials to compress the space and weight of the instrument, so that the volume and weight of the instrument are great...[Details]

"Today, the high-throughput RF data streaming capabilities of NI PXI technology allow us to effectively record and replay all common analog and wireless signals and a wide range of signal impairments ...[Details]

　　In view of the complexity of current applications, SOC chips can better meet the needs of applications and media, integrate many interfaces, use ARM as an application processor for diversified appl...[Details]

Because mobile UPS is different from general UPS, because it will move with the movement of the main equipment, not fixed. Therefore, in terms of function, it is still different from traditional UP...[Details]

Today, Huawei's first 5G dual-mode mobile phone, the Mate 20 X 5G version, was officially launched. Taking this opportunity, Huawei began to popularize whether to change the phone or the card to use ...[Details]