Cuprous oxide, the chemical formula is Cu2O, is an oxide of monovalent copper, a bright red powdery solid, mainly used in the manufacture of antifouling paints on the bottom of ships (for killing low-level marine animals), pesticides, various copper…
Under the premise of ensuring the quality of concrete, early strength agent can greatly shorten its final setting time, make it as early as possible, and then accelerate the turnover of template, save template dosage.…
Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
The rebound in Libyan oil production has also had an impact on the market for ddp shipping meaning Libya's oil production has risen to 700,000-800,000 BPD in the past week, Energy Minister Mo…
Graphene oxide is an oxide formed by the oxidation of graphite by strong acid. It adopts the oxidation reaction of potassium permanganate in concentrated sulfuric acid and graphite powder to obtain a tan edge derivative carboxylic acid base and pheno…
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…
Lithium sulfide, molecular formula: Li2S, lithium sulfide, molecular weight: 45.95. White to yellow crystals. With an anti-fluorite structure.…
Chromium carbide (Cr3C2) is a refractory ceramic compound. As the name implies, chromium carbide is a combination of chromium and carbon. Chromium carbide has high hardness, high strength and good corrosion resistance.…
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…