With the aid of heat transfer law and the MDTA model,authors found that a heat capacity obtained by the quasi_isothermal method was actually an average value within measured temperature intervals.

• 通过结合最基本的热传导定律和MDTA模型，指出了目前国际上测量样品热容量的准恒温法只能得到在所测温度范围内的物质热容量平均值，调制温度的幅度越大或调制频率越高，所得到的热容量数据越平滑。