Recently, US President Joe Biden concluded his first visit to the Middle East since taking office. During the visit, Biden said that the United States will be an active partner in the Middle East for a long time, but Middle East leaders have not clea…
A new type of superplasticizer polyoxyethylene-ether macromonomer is known as concrete Water Reducer. This superplasticizer uses polyoxyethyleneether monomer, unsaturated and sulfonic acids group monomer through radical polymerization. You can find t…
The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri…
Foamed concrete has good physical properties, combining insulation and electrical resistance. It has many benefits that make it one of the best alternatives to building materials.…