对它们的分离一直以来都在研究，传统的方法有凝固点法、气相色谱法，但是分离效果均不理想。
The separation of them is studied all the while. Traditional methods include freezing point and gas chromatography, But the effect of separation is not so good.
铸轧组织的形成主要是变形作用于未凝固的液相，引起质量和热量的分布状态发生改变所致。
The formation of roll-casting microstructure is mainly attributed to the deformation of un-solidified liquid phase, the varied distribution of mass and heat.
相场法可以直接模拟金属凝固过程中枝晶生长的形成过程。
The phase field method can directly simulate the dendrite growth during metal solidification.
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