China's trade in goods totaled 23.6 trillion yuan in the first seven months of this year, up 10.4 percent year on year, according to the General Administration of Customs. Foreign trade has overcome many adverse effects and achieved rapid growth. Dol…
As many researchers believe, graphene floating on the water does not repel water, but attracts it. Graphene is made of the same material as graphite-for example, found in pencils-which is why graphene has long been thought to be as waterproof as gra…
The House of Representatives' 2022 US Competition Act, which would provide comprehensive subsidies for manufacturing and research and adjust existing US trade policies, was passed in an almost entirely partisan vote, to challenge China's growing tech…
On the evening of August 9, the Russian state oil pipeline company announced that oil shipments through Ukraine had been suspended. Ukraine's pipeline operator Ukrtransnafta has suspended tra…
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.…
About Colloidal Gold Nano Gold Solution:Colloidal gold benefits:Nanogold is made by using high purity gold as raw material, through a special new processing technology to make gold particle size of 15nm or less, greatly improve the inherent character…
Europe's largest economy, Germany, recently activated an emergency plan to manage gas supplies that the natural gas could be rationed if supplies are disrupted or disrupted by a stand-off over Russian demands to pay for fuel in rubles. German Vice-C…
About Silicon Nitride Si3N4 Powder:The silicon nitride composition is silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride. It is white solid with a high melting point, relative chemical inert, diluted HF and hot H2SO4 atta…
Hasad Foods, the agricultural investment arm of Qatar's sovereign wealth fund, said the government would increase its grain reserves from 250,000 tons to 300,000 tons in the near future, which is enough to feed the population for six months. With a…
Inconel 718 alloys is a precipitation-hardening nickel-iron-based superalloy containing niobium and molybdenum. Its microstructure is austenite and has excellent comprehensive properties.…
As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…
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…
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…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…