China's first new gas chromatograph Shanghai came out

The first "China Chromatography Manufacturers and Users Dialogue" hosted by the Instrument Information Network was successfully held on September 23 at the Institute of Mechanical Science (Beijing). The news of the Chinese chromatographic community will be uploaded.

Design of secondary pump system and its control method (2)

3, the secondary pump system load regulation The secondary pump system is a variable water system, by changing the amount of circulating water to achieve user load regulation. Common variable volume control methods are the number of units and speed regulation of two. 3.1 The number of units to

Shantui's new SD16TL bulldozer successfully goes offline


Recently, two SD16TL bulldozers successfully went offline on the assembly line, again demonstrating the acceleration of the new product development process of Shantui and the improvement of their innovative capabilities.

SD16TL adopts advanced tec

Valve focus on flow coefficient and cavitation coefficient of two parameters

Valve flow coefficient and cavitation coefficient is an important valve parameters, which are generally available in the advanced industrial countries, the valve material, even in the sample also printed. China's production of the valve is basically no information in this area, because acce

Oxford University researchers invent a new proximity sensor

Researchers at the Department of Physics at the University of Oxford have invented a new proximity sensor for the detection of metallic, non-metallic, ceramic, glass and plastic materials. This sensor can be used as a position or speed sensor in automotive suspension, gearbox