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每一种定压二元系T-X液固相图都可分为虚、实两部。吉布斯相律只适用于图中的实部。若从相图中与每一虚点相对应的两共轭点之物相状态来看,在众多的二元系相图中,只有熔离作用、完全互溶的固溶体两种基本相图,其他任何一种二元系相图均可归结为这两种相图的变型和组合。以定压二元系T-X液固相图探讨岩浆结晶、熔融过程时,最重要的是掌握等浓度线法则,虚、实部概念,并应用杠杆规则、平衡反应原理,这样,对任何一种复杂的定压二元系T-X液固相图,便可一目了然。
Each fixed-pressure binary system T-X liquid-solid phase can be divided into virtual, real two. Gibbs phase law applies only to the real part of the figure. If we look at the phase states of two conjugate points corresponding to each imaginary point in the phase diagram, there are only two basic phase diagrams of the solid solution of the melting and the completely miscible phases in the numerous binary system phase diagrams. The other Any binary system phase diagram can be attributed to the two phase diagram of the variations and combinations. To fixed pressure binary system TX liquid-solid phase diagram of the magma crystallization, melting process, the most important thing is to master the isoconcentration line rule, virtual, real part of the concept, and the use of leverage rules to balance the reaction principle, so that any kind of Complicated constant pressure binary system TX liquid solid phase diagram, can be clear at a glance.