change of state

汉语翻译

英语解释：

名词 change of state:

1. the act of changing something into something different in essential characteristics

例句：

1. Measurement of the amount of heat evolved or absorbed in a chemical reaction, change of state, or formation of a solution.
   反应热测量对某一化学反应过程、状态变化过程或一溶解过程释放也或吸收的热量所作的测量