The chemical formula of chromium diboride is CrB2, which is a crystal with high hardness and melting point, and is chemically stable. Concentrated nitric acid is insoluble and can be directly mixed with elements or made from active metal reduction ox…
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℃.…
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not to pa…
Koalas were declared endangered in eastern Australia on Friday, with more and more koalas dying from disease, habitat loss, and other threats. Earlier, the koala was considered a vulnerable species, and the Commonwealth Department of the Environment…
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 Titanium Nitride powder keeps going up. Introduction to Titanium…
Manganese oxide Mn2O3 is a highly insoluble and thermally stable manganese source, which is suitable for glass, optical and ceramic applications.…
Melamine water reducing agent is the product of the reaction that melamine is first sulfonated by sulfuric acid and then condensed with formaldehyde, so the chemical name is sulfonated melamine-formaldehyde resin, which belongs to the anionic surfact…
Protein foaming agents are produced from naturally hydrolyzed proteins. They are combined with foam stabilizers (metal salts), fungicides, corrosion inhibitors, antifreeze additives and solvents to form foam concentrates.…
European stock markets closed sharply lower as inflation fears swept through global markets and had a consequent impact on the market and prices of straight lace front wigs The pan-European Stoxx 600 index closed down 1.5 percent, led by a 4.1 percen…
What are the raw materials for the increasing price of cars? This year, as supply cannot keep up with demand, many basic materials (such as copper, steel, and aluminum) for automakers have reached or are about to reach their highest prices in history…
Recently, steel prices have risen strongly. As of April 6th, the ex-factory price of plain billet in the Tangshan area has exceeded 5,000 yuan/ton. In an interview with a reporter from China Economic Times, industry insiders said that this was mainly…