1. PID control. PID control is one of the earliest developed and widely used control methods. It is a method based on mathematical model of object, especially suitable for deterministic control system that can establish accurate mathematical model. However, for nonlinear and time-varying un.......

Prior to the reform and opening up, drying equipment was mainly imported from Japan, Europe and the United States. In 1980, the first dry equipment manufacturing enterprise of the nature of collective ownership was opened in the Yangtze River Delta region where China's first township c.......

According to the recent changes in the market of raw materials, the China Plastics Processing Industry Association adjusted the guiding prices of the plastics pipeline industry and issued the first phase of 2011 guidance prices for plastic pipe products in 2011.
Polyvinyl chloride (PVC-U).......

How to find the failure of digital push force meter

How to find the failure of the digital push-pull gauge, the digital push-pull gauge is a test instrument commonly used in our daily life, but when we use it, it wi.......

.......

• Model NO.: PU-B
.......

According to the statistics of the material, from January to August 2017, the total export of LED lighting products in China reached 8.2 billion US dollars. Among them, the export value in July was close to 1.2 billion US dollars, an increase of 34.84%, an increase of 4.89% from the previous mo.......

CBN materials can be used for high-speed cutting or grinding, whether they are making tools or grinding tools, and can receive significant results such as improved product quality, improved processing efficiency, shorter cycle times, and lower processing c.......

Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5/8mm Q235 Handan Steel 4950 0 -250 -600 High Line Φ6.5/8mm Q235 Handan Steel 5100 0 - 300 -600 High Line Φ6.5/8mm Q235 Shougang 5100 0 -300 -600 High Line Φ6.5.......