For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o…
Researchers have developed rapid, highly accurate methods for detecting the virus. The optical sensor uses nanotechnology to accurately identify viruses from blood samples in seconds. Researchers at the University of Central Florida have developed a…
Cementite can be described as a metal compound made of iron, carbon and has the chemical formula Fe3C. It has an extremely high hardness (HBW=800), and its plasticity and toughness almost negligible. The brittleness also is large.Particle Size: 325me…
The purity of carbonaceous raw materials such as petroleum coke and pitch coke is relatively high, and the ash content is usually less than 0.5%, while the purity of natural graphite treated by flotation is relatively low, and the carbon content is u…