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 to pa…
Silicon carbide, also known as SiC (silver carbide) ceramic material has strength properties that are comparable to those of diamond. Silicon carbide powder has hexagonal crystals at its microscopic size. Purity: 99% Silicon Carbide SiC Pulp: S…
If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
It is a new high-tech which emerged in late 1980s. Its main purpose is to analyze the composition and structure of nanometer-sized matter and to produce new substances through direct manipulation and arrangement of atoms and molecular. The advent of…