The European Medicines Age ncy (EMA) said on Tuesday it had begun a "rolling review" of Pfizer and BioNTech's Novel Coronavirus booster vaccine.…
In the past two months, on the background of weaker demand expectations, international crude oil prices have fallen by more than 20%. Analysts said that the poor macro data of major overseas economies, under the expectation of economic recession, cru…
Silicon carbide is used to make bulletproof armor.…
The chemical formula TiC has a molecular weight of 59.89.Grey powder,usually used for making cemented carbide,also used as electrode and abrasive of arc lamp.…
Cuprous oxide is a bright red powder, almost insoluble in water, decomposed into divalent copper and copper in acidic solution, and gradually oxidized into black copper oxide in humid air. Commonly used as a pigment, biocide and antifouling agent in…
The UN Secretary-General's Global Food, Energy and Financial Crisis Response Group (GCRG) issued its third report on Tuesday, warning that soaring energy prices are exacerbating the cost-of-living crisis for hundreds of millions of people as the conf…
Silicon carbide(SiC)is a lightweight ceramic material with high strength properties comparable to diamond.The microscopic shape of silicon carbide powder is hexagonal crystals.…
Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even…
Copper oxide,chemical formula CuO. It is a black oxide of copper,slightly amphoteric and slightly hygroscopic.The relative molecular mass is 79.545,the density is 6.3～6.9 g/cm3,and the melting point is 1026℃.…
Sodium myristate is ultra fine white powder, it has excellent lubricating, dispersing and emulsifying ability.…
Brazil, the world's largest coffee bean producer, recently announced that it is facing the worst drought in 91 years, affecting local hydropower generation and agricultural calcium stearate keeps going up. Calcium Stearate Properties:Calc…
Magnesium stearate is used in food, medicine, paint, plastic, rubber, textile and other industries.Used as emulsifier, mold release agent, lubricant, stabilizer, accelerator, cosmetic base material, etc.…
Lithium stearate is a chemical, also known as lithium octadecate, white powder or colorless crystal, widely used in high temperature lubricants.…
Is boron amorphous or crystalline?Boron can be prepared in several crystalline and amorphous forms. The well-known forms of crystallization are α-rhombohedral (α-R), β-rhombohedral (β-R) and β-tetragonal (β-T). In spec…
What is copper oxide?Copper oxide is an inorganic substance. Copper oxide chemical formula is CuO. It is a black oxide of copper. Slightly bisexual and slightly hygroscopic. Insoluble in water and ethanol, easily soluble in acid, thermally stable, de…
A novel carbonaceous material with two-dimensional structure of single-layer graphene powder. Graphene powder has excellent electrical, thermal and mechanical properties.…
Expandable graphite or exfoliated graphite is made from the naturally occurring mineral graphite. The layered structure of graphite allows molecules to be inserted between the graphite layers. By adding acid, graphite sulfate can usually be converted…
What is the use of aluminum oxide?Medical professionBecause of its hardness, bioinertia and chemical properties, alumina is the preferred material for hip replacement bearings, such as prosthetics, bionic implants, prosthetic eye substitutes, tissue…