由自由能判据推导出了均匀系统的平衡条件和平衡的稳定性条件,并应用自由能判据讨论范德瓦尔斯等温气液相变.
On the basis of free energy criterion, we deduced the equilibrium condition and the balance stable condition of homogeneous system, and the phase transition of van der Waals isothermal gas liquid was discussed based on the free energy criterion.