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…
This article will talk about different types of high-efficient water reducers and the mechanism of superplasticizers.…
Concrete is a mixture of a graded aggregate, sand, water, and cement. It is necessary to study the influence of concrete components on the effect of the high-efficient superplasticizer in order to give full play to their due effect.…
Nano-diamond is the key to efficient hydrogen purification, the MnO2 Powder introduction of new materials. Nanodiamonds may be small, but they could help solve one of the biggest problems facing humanity today: climate change Hydrogen is a clean fuel…