What are Early Strength Agents?
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.…
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.…
Bismuth sulfide is a chemical substance with the molecular formula Bi2S3, insoluble in water, toxic, weakly radioactive, and harmless to the human body. For the preparation of bismuth compounds. Bismuth sulfide is an important semiconductor material.…
As the European Union tries to reduce its dependence on Russian energy, the Russian president recently said Russia would try to shift its energy exports to the east, adding that there was no way for European countries to give up Russian gas immediate…
Lithium batteries were first used in pacemakers.…
Due to the global shortage of automotive chips, in the past year, the price of STL9369, the core chip of the body electronic stability system produced by STMicroelectronics, has skyrocketed from 20 yuan to 2,800 yuan (excluding tax), a year-on-year i…
The properties of the cellular concrete are strongly influenced by the type of foaming agent used.…
On March 24, international oil prices rose sharply on the 24th. As of the close of the day, the price of light crude oil futures for May delivery on the New York Mercantile Exchange rose by US$3.42 to close at US$61.18 per barrel, an increase of 5.92…
The price of chloroform continues to rise It is reported that chloroform is a kind of organic synthetic raw material, mainly used to produce freon (F-21, F-22, F-23), dyes and drugs. In medicine, it is often used as an anesthetic. It can be used as a…
Foreign media said that the report made by Russia National Airlines said that General Manager of Russia National Airlines, General Manager of Russia, China National Airline Director Ke-Jian Zhang, signed the Memorandum of Understanding of the Federal…