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简要介绍了用Ｘ射线小角散射分析技术测定多孔固体材料中气孔固体界面分形维数的理论，并将这一理论用于测定粉煤灰水泥浆体的分形结构．实验结果表明，粉煤灰水泥浆体具有面分形结构特征．此外，对分形维数与抗压强度的关系也进行了探讨．
The theory of measuring the fractal dimension of the porous solid interface in porous solid materials by X-ray small-angle scattering analysis technique is briefly introduced. This theory is used to determine the fractal structure of fly ash cement slurry. The experimental results show that the fly ash cement paste has the feature of surface fractal structure. In addition, the relationship between fractal dimension and compressive strength is also discussed.