Is it better to have a leather sofa or a cloth sofa? After reading this summary, have you bought the wrong one at home?

The difference between two-piece and three-piece pneumatic ball valves | What does the three-piece two-piece ball valve mean? _Shanghai Zhongding Valve

How to quickly pass the security check at the airport security gate?

Progress of Lithium Ion Capacitor Negative Pre-intercalation Lithium Technology

Globe valve and needle valve | The difference between needle valve and globe valve_ 上海 中 鼎 阀

China University of Science and Technology successfully developed a crystalline phase mixing strategy designed to be extremely stable in an acidic environment

The valuation of the science and technology board: How much is the company worth?

Take the lead in developing a new "separation technique" China's rare earth mining separation technology is the world's leading

Wet smelting breaks the "zinc road"

New material retroreflective film used in traffic signs 【Full Text】

China's photovoltaic power generation enters the bidding era

This technology turns robots into human "Avatar" 【Full Text】