autoprecipitation

例句：

1. 1. The process of autoprecipitation is often observed in biological systems.
   自发沉淀过程在生物系统中经常观察到。
2. 2.During the autoprecipitation process, the substance begins to form a solid phase.
   在自发沉淀过程中，物质开始形成固态相。
3. 3.The autoprecipitation of calcium hydroxide can lead to the formation of hardened scales on the surface of water.
   氢氧化钙的自沉淀会导致水表面形成硬化的沉积物。