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…
U.S. refiners forecast strong first-quarter earnings as margins on gasoline and diesel sales improved, refining capacity fell sharply and crude supplies tightened due to the Russia-Ukraine war.Global refining capacity has declined amid the coronaviru…
AlN is mainly used in the microelectronics industry as an electrically insulating but thermally conductive barrier in silicon-based electronic devices.…
What is diamond dust? The most difficult materials, diamonds, are known as super materials. Its hardness exceeds that of hard tools, such as the Congo, carbides, W and other tool materials like cement carbides and high speed steel. Superhard material…