对于稻壳、树叶、棉花杆、玉米杆四种生物质焦，通过压汞法测量了其在大孔和部分中孔范围内的孔隙结构，发现热解温度、热解保持时间、热解快／慢速都会影响着焦样的比表面积和平均孔径。
The results show that pyrolysis temperature, pyrolysis time and pyrolysis rate have an obvious effect on the special surface area(SSA) and average pore size(APS) of the biomass chars.
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.
随着氧化程度的加深，活性炭的比表面积、微孔体积都减小，平均孔径增加。
The surface area and micro-pore volume decreased as the oxidation degree becoming more serious, while the average pore diameter increased.
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