What is titanium nitride?Titanium nitride powder is generally yellowish brown, the superfine TiN powder is black, and the TiN crystal is gold yellow. TiN has a melting factor of 2950 ℃, a Mohs firmness of 8-9, and also great thermal shock resistance.…
The roble had hit a record low after the West imposed sweeping sanctions on Russia for its aggression in Ukraine. Russia's president recently ordered exports of Russian gas to "unfriendly" countries to be settled in robles. The speaker of Russia's up…
The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…