Selection and use of vacuum pump

The function of the vacuum pump is to remove gas molecules from the vacuum chamber and reduce the gas pressure in the vacuum chamber to achieve the required vacuum. In general, there is a large range from atmospheric to very high vacuum, and so far no vacuum system has.......

Occupational disease, prevention and treatment

On June 3, occupational diseases refer to diseases caused by exposure of workers of enterprises, institutions, and individual economic organizations to dust, radioactive substances, and other toxic and harmful substances during their professional activities. At present.......

Application of welding robot in the manufacture of urban rail vehicles

With the maturity of robot manufacturing technology, the cost of welding robots is declining, and at the same time the labor cost is soaring, coupled with the combination of modern urban rail vehicles and weld quality requirements, the welding robots are used in urban rail vehicle manufac.......

3D printing a kitchen waste grinder

MarekSenicky, the inventor of FilaMaker, a 3D printed wire personal manufacturing device, recently designed and used a 3D printer to create a kitchen waste shredder.

The kitchen waste shredder is a big helper for kitchen waste recycling. Marek designed a small.......

Which method is suitable for your home?

Common household pollution testing methods

1, animal and plant reactions are the safest

Animals and plants and people live in the same space. At this time, it depends on how the animals and plants rea.......

China's plastics development slows down



At the “2014 China Plastics Industry Conference” held in Hangzhou on May 27th, Liu Xingqiang, secretary of the Party Committee and Chairman of the Dalian Commodity Exchange, said that in the construction and development of petrochemical and other futures markets, the fut.......

Application of tube flowmeter in converter gas metering

The accuracy of gas flow measurement plays an important role in energy consumption and cost accounting in the production process of enterprises. Large-diameter gas flow metering has always been an important measurement point for metallurgy, coking, urban pipe network and ot.......