Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…
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…
What does calcium hydride mean? Calcium hydride, a common chemical agent with a chemical composition of CaH2 (molecular weight 42.10). A grayish-white block or crystal that is easily deliquescent can be used to reduce, desiccant and chemical analysis…
What is tungsten Oxide?Tungsten dioxide has the molecular formula WO3 with a weight of 2318.5. It is a form of tungsticanhydride. Tungsten dioxide is not produced in industrial production. The tungsten-trioxide salts are classified according to thei…