Kjeldahl nitrogen analyzer maintenance method

Product introduction: The Kjeldahl nitrogen analyzer is the first choice for the determination of protein and is used for the determination of protein content in milk and dairy products. It has high sensitivity, fast analysis speed, wide application range, and simple equipment an.......

China's construction machinery sales in the off-season are not falling

According to the statistics from the China Construction Machinery Industry Association, the total output of the concrete industry in July was 32,500 units, an increase of 37.9% year-on-year, and the cumulative sales from January to July totaled 221,700 units, an increase of 30.6% year-on-year........

Hose valve structure and working principle

The hose valve is a device that controls the direction, pressure, and flow of the fluid in the hose line fluid delivery system. With throttle, stop flow, flow diversion or relief pressure and other functions, control of production equipment and process of normal operation. Can be used to c.......

Auto parts industry is the key to improving innovation

In 2010, what is the development situation of China's automobile auto parts industry? On March 7, at the Administrative Hall of the Municipal Administration, Bi Jiyao, deputy director of the Institute of Macroeconomic Policy of the National Development and Reform Commission, Li Weili.......

Specialized "Crisis" as "Opportunity" and Development


In response to the pressure brought about by the global economic crisis on the production and operation of enterprises, Shaanxi Fast Group Co., Ltd. responds positively, transforms “crises” into “machines”, overcomes hardships and overcome difficulties, plays a goo.......

[Knowledge] Straight travel regulator valve stem fine reason

Straight stroke valve stem thinner reason: it involves a simple mechanical principle: sliding friction, rolling friction small. Straight travel valve stem up and down movement, the packing a little bit tight, it will be very tight stem package, resulting in greater backlash. To this end, the.......