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.…
It is a white hydraulic cementing material made by grinding, called white silicate cement (referred to as white cement).…
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.…
What is a metal roll forming machine? The metal roll forming machines use long strips of metal, most commonly rolled steel, to create specific structures. In most applications, the required cross-section is specially designed for the machine to bend…
Putting a thin layer of copper on the surface could potentially kill the virus that causes COVID-19 more quickly. A n introduction to the graphite powder lubricant of the new material Researchers have found that using copper or copper compound film c…
Phosphide nanoribbons achieved the desired effect in the first demonstration about the market name introduction Researchers have incorporated phosphorene nanoribbons into new types of solar cells, greatly improving their efficiency. Phosphotene nanor…
Nano-diamond is the key to efficient hydrogen purification, the graphite powder lock lubricant introduction of new materials. Nanodiamonds may be small, but they could help solve one of the biggest problems facing humanity today: climate change Hydro…