实验样品采用X射线衍射分析、比表面和孔径分析及热分析三种表征手段进行表征。
Three characterization methods of the lab samples were as followings: X-ray analysis, specific surface area and pore analysis, and thermal analysis.
分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响，获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。
The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.
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