barium azide

例句：

1. 1.The chemical was used to treat cancer patients.
   这种化学物质被用来治疗癌症患者。
2. 2.The barium chloride solution is very effective in removing stains from clothes.
   氯化钡溶液在去除衣物上的污渍方面非常有效。
3. 3. Barium azide is a common ingredient in antimicrobial drugs.
   钡氰化物是抗菌药物中常见的成分。