In the UK, more than 100 schools were closed because of the danger of collapse In the UK, many schools use Aerated concrete autoclaved (RAAC). This is a concrete material that is lighter. In 2018, the roof of a school in southeast England fell d…
Researchers have developed rapid, highly accurate methods for detecting the virus. The optical sensor uses nanotechnology to accurately identify viruses from blood samples in seconds. Researchers at the University of Central Florida have developed a…
Foam concrete contains a large number of closed pores, the air in the pores is a good adiabatic medium, which can cut off the heat exchange.…
Sodium p - styrene is a monomer polymer that has a unique reaction. It's used to make reactive emulsifiers, dyeing agents and auxiliary emulsifiers.Vinyl activity: >=89% About Sodium p-styrene sulfonate: Sodium p - styrene Sulfonate is known for…