So the condition of phase separation for multicomponent solutions is that activity coefficient of some components have a increasation steeply at phase interface with partly miscible solution.
为此，本文认为具有部分互溶组分活度系数的突变可做为多组元溶液分相的判据。
In the process of leaching, porous clad of phase separated glass may has tensile stress or compressive stress because of the different copmposition, phase separation condition and cooling rate.
分相玻璃在浸析过程中由于组成、分相制度、冷却速度的不同，而使多孔玻璃受到拉应力或压应力，通过改善浸析条件可制得具有一定强度、没有裂纹的多孔玻璃。
In the process of leaching, porous clad of phase separated glass may has tensile stress or compressive stress because of the different copmposition, phase separation condition and cooling rate.
分相玻璃纤维由于组成、分相制度、冷却速度的不同，而在浸析过程中受到拉应力或压应力。
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