potassium pentasulfide

例句：

1. 1. This potassium pentasulfide is used as a catalyst in the production of fertilizers.
   这种钾五硫化物用作肥料生产的催化剂。
2. 2. The potassium pentasulfide was found to have a high melting point and good thermal stability.
   发现钾五硫化物的熔点高且热稳定性好。
3. 3. Potassium pentasulfide is also used as an anti-corrosive agent in industrial applications.
   在工业应用中，钾五硫化物也用作防腐蚀剂。