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将分形和分数维概念用于水处理多孔填料表面特征和微孔结构的研究，并通过对酶促生物填料测试数据的分析证明：多孔填料的表面和微孔结构具有典型的分形特征，其面积分数维越大，填料表面越粗糙；其容积分数维越大，微孔占有空间的能力越强。因此，该方法为多孔填料的开发研究和性能分析提供了一种新思路和新方法。
The concept of fractal and fractal dimensions was used to study the surface characteristics and pore structure of porous fillers for water treatment. The analysis of test data of enzymatic bio-fillers showed that the surface and pore structure of porous fillers have typical fractal characteristics. The larger the fractal dimension, the coarser the filler surface; the larger the fractal dimension, the stronger the ability of the micropore to occupy space. Therefore, this method provides a new idea and new method for the development and performance analysis of porous fillers.