The water-reducing agent should be used with concrete admixture, which will reflect the water reduction effect. Cement quality is therefore a direct factor of the effect of water-reducing agent. When dealing with different types of "problem" cements,…
Graphene, a two-dimensional typical material, is widely used and highly sought by scientists and the industry. What exactly is a 2-dimensional material? Simple, two-dimensional material is a non-nanoscale material (1-100nm) where electrons are able t…
Gazprom recently said it had completely suspended gas supplies to Bulgarian Gas company and Polish Oil and Gas Company (PGNiG) because it was not being paid in rubles. Russia said it would resume gas supplies after it agreed to pay for them in ruble…