Recently, after the joint confirmation of Tianjin Petrochemical and Beijing Yanshan Branch Research......
The improvement of gears improves the machining accuracy of the gears. The machining accuracy of th......
First, the type of leak-free pump: No leakage pump including shielding pump, magnetic pump, positi......
Four conditions suggest battery loss Mr. Chen, the owner of Luocun’s Magotan, sta......
At present, domestic consumption of honey has reached 500,000 tons, but up to 30 tons are ......
If two years ago, we said cryo-EM is an important tool for structural biology research, ma......
The air compressor light hydrocarbon DCS system has only two monitoring screens, which cannot mee......
With the strong support of the government, all localities have resorted to LEDs, and the country has......
Knowing that there is a tiger in the mountains, it is biased toward Hushan. The epitaxial chip indu......
Model NO.: roofing sheet making machine ......
The Beijing Municipal Environmental Protection Agency said yesterday that Beijing is draft......