According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is propylene ether type, the third generation is…
Molybdenum disulfide has the chemical formula MoS2 and is used as a dry lubricant in greases, dispersions, friction materials and bond coatings.…
Tin disulfide is an inorganic compound with a chemical formula of SnS2. It is a yellow hexagonal flake with a CdI2 crystal structure. It is hardly soluble in water.…
Vanadium nitride is known as VN powder, it is an important vanadium alloy additive, and vanadium nitride is used in lithium electronic batteries and energy storage materials.…
The impact of negative growth in the first quarter of the global economy on the price and market of nucleic acid extraction The global economy recorded its first quarter of negative growth in…
In a recent live interview with Radio Kosut, Hungarian Prime Minister Viktor Orban said the EU was wrong to impose sanctions on Russia because of the serious negative impact on the European economy. "At first I thought we were shooting ourselves in t…
Molybdenum disulfide is the main component of molybdenite, which is a black solid powder with metallic luster and is an important solid lubricant.…
Cuprous oxide is a bright red powder that is almost insoluble in water.It is decomposed into divalent copper and copper in acid solutions,and gradually oxidized into black copper oxide in humid air.…
Lithium 12-hydroxystearate is a white powdery industrial product, which can be prepared by the direct reaction of 12-hydroxystearic acid and equimolar lithium hydroxide monohydrate. Can be used to formulate various greases.…
China's trade in goods totaled 23.6 trillion yuan in the first seven months of this year, up 10.4 percent year on year, according to the General Administration of Customs. Foreign trade has overcome many adverse effects and achieved rapid growth. Dol…
The chemical formula of chromium diboride is CrB2, which is a crystal with high hardness and melting point, and is chemically stable. Concentrated nitric acid is insoluble and can be directly mixed with elements or made from active metal reduction ox…
Some factors that would influence the effect of pce powder in concrete…