Cellular Concrete Foaming Agents
The properties of the cellular concrete are strongly influenced by the type of foaming agent used.…
The properties of the cellular concrete are strongly influenced by the type of foaming agent used.…
According to the United Nations website, in the past week, countries reported an 8% increase in new crown cases to the WHO, with more than 11 million positive tests. Tedros noted that although some countries hav…
Spherical molybdenum powder is a transition metal molybdenum in powder state, and the impurity elements include Pb, Bi, Sn, Sb, Cd, Fe, Al, Si, Mq, etc.…
Aluminum nitride is synthesized by carbothermal reduction of alumina or by direct nitridation of aluminum. Aluminum nitride density is 3.26g/cm3. Although it does not melt, it decomposes above 2500°C at atmospheric pressure.Aluminum nitride is co…
Yahooinc. has pulled out of China, citing an increasingly challenging operatingenvironment. Will this have an impact on the market volatility of oled display? YahooInc. said Tuesday it pulled out of China, citing an increasingly challengingoperating…