Concrete is a stone mixed with water, sand, stones and some chemical additives, if necessary, in a particular proportion. Foaming occurs when concrete is made due to agitation. The appearance of a large amount of foam will lead to a decrease in the s…
TRDN-1 is a brand-new molecular filter made use of for elimination of NOx of exhaust gas of DSL cars.Concerning TRDN-1 Molecular Screen Stimulant for Denitration of Exhaust Gas of DSL Cars:TRDN-1 is a new molecular sieve made use of for removal of NO…
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not t…
Due to the laminar structure of graphite, atoms or small molecules can be introduced between the carbon layers (intercalation）…
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