The third round of the first batch of central ecological and environmental protection inspections has been fully launched
In order to thoroughly implement Xi Jinping Thought on Ecological Civilization and the spirit of General Secretary Xi Jinping’s important instructions and instructions, and implement the work deployme…
Cubic boron nitride (CBN) has broad application prospects and domestic production capacity is mainly concentrated in central China.
Cubic boron nitride, or CBN for short, is a new type of artificially synthesized superhard material. Its atomic structure is similar to the carbon atomic structure in diamond. It has a hardness second…
Chinese