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聚合物界面很难加以定量描述 ,采用一种图形变换的方法可以将界面复杂状态转换成几何特征加以描述 ,文中基于分形理论及 n维分形布朗运动 ,提出用分形数来描述聚合物界面的状态。
It is very difficult to describe the polymer interface quantitatively. A method of graphic transformation is used to describe the complicated state of the interface into the geometric features. Based on the fractal theory and the n-dimensional fractal Brownian motion, a fractal number is proposed to describe the state of the polymer interface .