本文阐述了相图计算的基本原理和确定体系中各相的全摩尔和偏摩尔过剩自由能的方法,特别是由二元系性质预示三元系性质的几何模型.在指出相图计算的意义和局限性的同时,阐明了理论计算和实验测定相结合是构筑熔盐相图的最佳方法及该方法的主要步骤.
The principle and mathods of calculation of phase diagram, especially the geometric models for determination of excess molar Gibbs energy and excess partial molar Gibbs energy in all phases have been reviewed. Considering the significance and the limitation of calculation of phase diagram, it is pointed out that the combination of calculation with measurement is the best method for construction of molten salt phase diagrams. The procedure of this method have also been described.
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