Xinjiang port first returned unqualified imported woode…

On January 28, the reporter learned from the Xinjiang Entry-Exit Inspection and Quarantine Bureau that, recently, the Alashankou port had returned 60 tons of reinforced wooden flooring worth 247,500 yuan. The batch of wooden flooring was imported from Russia. The reason for the retu

Application of Power Monitoring System in Shanghai Sile…

This paper mainly introduces Shanghai Silent Stainless Steel Products Co., Ltd. to monitor the low-voltage power distribution system by using Acrel-2000 power monitoring system, and master the power running status of the substation in real time and record it. At the same time, the system adopts B/

Do not understand how to do security protection? China …

In work and life, it is always necessary to purchase some of the commonly used labor insurance products, but many people suffer from lack of understanding and know little about the labor insurance product brands and cannot purchase at their own will. China Labor Insurance Network is a professional

What is video optical transceiver

Optical transceivers are terminal devices for transmitting optical signals. Due to the improvement of current technology, the reduction in the price of optical fiber has made it well applied in various fields. Therefore, the manufacturers of optical transceivers are like springing up. However, most

Novel metal porous metal preparation method

Recently, the research team led by Yi Bin, associate researcher of the Institute of Metallurgy and Materials, Chinese Academy of Sciences, has developed a novel porous metal preparation method that makes full use of the Kirkendall effect to produce porous copper and porous mater

Research on Parallel Port Control of Stepper Motor

Stepper motors are widely used in various types of control equipment such as CNC machine tools, medical instruments, instrumentation, etc. Its rotation is operated step by step at a fixed angle. Its main feature is that there is no accumulated error and 100% accurate control can be achieved. Ther