What is titanium nitride?Titanium nitride powder is generally yellowish brown, the superfine TiN powder is black, as well as the TiN crystal is golden yellow. TiN has a melting point of 2950 ℃, a Mohs hardness of 8-9, and also good thermal shock resi…
Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…