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分析归纳简化了水平铸型凝固过程溶质浓度分布物理条件和处理边界条件 ,运用扩散方程对这一凝固过程和“区域提纯”过程进行了讨论
The physical condition of solute concentration distribution in the solidification process and the treatment of boundary conditions are simplified and analyzed. The process of solidification and the process of “area purification” are discussed by the diffusion equation