Foam concrete wall casting methods can be divided into three types: removable formwork casting, formwork-free casting and sandwich wall casting. Among these three types of casting methods, the mold-free casting method is widely used.…
The price of modern coal chemical products in our district rose in April In April, the modern coal chemical industry in our district continued its positive development trend. The prices of 7 major types of modern coal chemical products monitored by t…
A tanker carrying 650,000 barrels of Venezuelan crude oil is reportedly bound for Europe, the first time Venezuela has exported crude to Europe in the past two years under US sanctions. It is analyzed that the U.S. is making up for the European ener…
Hafnium-nitride, a grayish powder with cubic crystal structures, is available in a variety of sizes. The melting point is 3310. Microhardness is 16GPa. It's fairly stable, but it can easily be corroded by concentrated sulfuric acids, aqua regia and h…
Boron has been a major name in the world of chemistry. There have been two Nobel Prizes in Chemistry for the work done on boron. There are a few heat-resistant products on the market that have added boric acids to common glass. This means the glas…