of;
Resource;
and;
Safety;
Engineering,;
China;
University;
of;
Mining;
and;
Technology,;
Beijing;
100083,;
China;
of;
Civil,;
Mining;
and;
Environmental;
Engineering,;
University;
of;
Wol;
ongong,;
Wollongong,;
NSW;
2522,;
Australia;
孔径分布; 吸附实验; 表面积; 无烟煤; 氮气; 吸附等温线; 测定; 相对压力;