uranium antimony catalyst

例句：

1. 1.This new catalyst significantly improves the reaction rate.
   这种新型催化剂大大提高了反应速率。
2. 2. The catalyst plays a crucial role in the chemical reaction.
   催化剂在化学反应中起着至关重要的作用。
3. 3.The development of this catalyst has greatly advanced our understanding of chemical reactions.
   这种催化剂的开发极大地推动了我们对化学反应的理解。