Silver nanoparticles is black powder, it combines the characteristics of nano-materials and elemental silver, and has high surface activity, surface energy and catalytic performance. Purity: 99% Particle Size: 50nm, 100nm, 500nm About Silver Nan…
What is diamond dust? The most difficult materials, diamonds, are known as super materials. It is more hard than most hard tools, including the Congo, carbides, W and other tool materials like cement carbides and high speed steel. Superhard materials…
What is aerogel Powder? Gel powder has an extremely low density. The lightest gas gel is 0.16mg/cm3, which is slightly less than air density. This is why it is sometimes called "frozen" or "blue smoking". It is easy to see that the particles are tiny…
The vaccine is already available, but the epidemic is still getting worse. The number of newly diagnosed new crown cases in Germany has exceeded 20,000 daily, and the disease control department expects that the future will continue to "significa...…