A cement foaming agent based on animal protein is made mainly from keratin proteins obtained from the horns and tendons of various animals, such as donkey, cow, sheep, horse, or horse. This causes it to have an unpleasant odor. Coproduct, which is th…
Recently, some countries are short of electricity, or seek energy solutions, will this affect the bhutan 7 day itinerary ?…
According to CBC Metal: As of February 16, the average price of China's graphite electrode market was RMB 20818/ton, up 5.17% from the beginning of the year and 44.48% from the same period of the previous year; the graphite electrode market as a whol…
Nitinol contains 50% nickel and 50% titanium, that is, the components of nickel and titanium are equally divided, each accounting for half.…
Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…
Prices in the national electricity market averaged $87 per megawatt-hour in the first three months of the year, above the level promised by the federal government. Wholesale electricity prices for industry and large businesses have already exceeded t…