Popular Science: Introduction to the Principle of Centrifuge
A brief introduction to the principle and application of centrifuges…
A brief introduction to the principle and application of centrifuges…
France's annual inflation rate hit 6.1 percent in July 2022, rising further from 5.8 percent in June, the highest since July 1985, the National Institute for Statistics and Economics (Insee) said.…
Foam concrete has a low density. In practical application, the density grade of ordinary foam concrete is 300 kg/m3~1200kg/m3.…
A hollow glass microsphere is a kind of hollow microsphere with a thin wall, high strength, and smooth surface…
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