Carbon-air batteries as the next generation of energy storage systems graphene structure new materials overview One of the obstacles to wind and solar power is their intermittency. One promising alternative to adverse environmental conditions is hydr…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…
In this article, the set retarder, the air-entraining agent, and the accelerating agent are going to be talked about.…
Semi-branched C12-13 alcohol ether sulphate is a highly-performance anionic detergent with excellent decontamination and dispersion. It has also good emulsification performance, foaming ability, and resistance to hard water.Solid Content: 70% Semi-…