Silver nanoparticles, also known as black powder, is a mixture of nanomaterials, elemental argent, and nano-materials. It has a high surface energy, surface activity, and catalytic performance. Purity: 99%Particle size: 50nm. 100nm. 500nm The follo…
The roble had hit a record low after the West imposed sweeping sanctions on Russia for its aggression in Ukraine. Russia's president recently ordered exports of Russian gas to "unfriendly" countries to be settled in robles. The speaker of Russia's up…
Silicon carbide is used to make bulletproof armor.…
Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe…