How to produce titanium nitride?
The first method is direct nitridation of titanium powder or TiH2.…
The first method is direct nitridation of titanium powder or TiH2.…
On December 19, 2023, the trading volume of the industrial group company 3M (MMM) was US$280 million, ranking 271st among US stocks that day. The trading volume decreased by 12.76% compared with yesterday, and the trading volume on that day was 2.634…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…