potassium azide

例句：

1. 1.Potassium azide is used in the production of fertilizers.
   亚硝酸钾用于生产肥料。
2. 2.The chemical reaction between potassium azide and water produces a gas.
   亚硝酸钾与水反应产生气体。
3. 3.The potassium azide was added to the soil to improve its fertility.
   向土壤中添加了亚硝酸钾以提高其肥力。