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…
What type of powder is used for 3D Printing Metal? Flowability: An important characteristic for metal powder is the ability to flow through the 3D printer. Materials with better flowability may be used more efficiently and produce more consistent pr…
According to reports, a few days ago, a case about the alleged abuse of animals in livestock transportation ended in the captain's conviction, and the shipowner and the beneficiary cargo owner were not criminally punished.…
Progress in the preparation of graphene nanoribbons will affect the price of graphene computer The integration of silicon-based transistors is approach…