enthalpy of transition

例句：

1. 1. The process of converting one substance into another is called a phase transition.
   将一种物质转化为另一种物质的过程被称为相变。
2. 2. The enthalpy of transition can be used to predict the behavior of materials under different conditions.
   过渡焓可以用来预测材料在不同条件下的行为。
3. 3. During the transition, the system undergoes a change in its state and properties.
   在过渡过程中，系统经历了状态和性质的改变。