以化学势判据为依据，用热力学方法推导了干燥操作的必要条件。
Based on chemical potential, the necessary condition of drying is inferred by the method of thermodynamics.
通过建立界面扰动模型，推导了三元固态置换反应系界面稳定性的化学势梯度判据。
A new interface-perturbation model of ternary system is suggested and the interface-stability criterion is derived in the form of chemical potential.
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