barium hydride

例句：

1. 1. This compound is used as a catalyst in the production of plastics.
   这种化合物在生产塑料时用作催化剂。
2. 2. The chemical properties of barium hydride make it useful in various industrial applications.
   钡氢的化学性质使其在各种工业应用中非常有用。
3. 3.Barium hydride can be prepared by reacting barium with water and hydrogen gas.
   通过将钡与水和氢气反应，可以制备钡氢。