What is quartz silica powder?
What is quartz silica powder?…
What is quartz silica powder?…
The emergency rescue department of Berlin, Germany, reported that the world's largest independent cylinder aquarium burst on the 16th local time and about 1 million liters of water mixed with debris poured onto the busy street. The report quoted the…
Boron carbide is also known as black Diamond. It has a molecular structure of B4C. The powder is typically grayish. It is one the three hardest materials known (the other two being diamond and cubic boronnitride). It can be found in many industrial a…
The price of ESPO crude oil sold by Russia's Surgut oil and gas company in April was $7.20-7.30/barrel higher than the Dubai crude oil quotation, which was the highest premium since December 2019; Affected by the rise in international crude oil price…