Key;
Laboratory;
of;
Coal;
Resources;
and;
Safe;
Mining,;
and;
College;
of;
Geosciences;
and;
Surveying;
Engineering,;
China;
University;
of;
Mining;
and;
Technology,;
Beijing;
100083,;
China;
of;
Science;
and;
Technology,;
University;
of;
Macao,;
Macao;
000853,;
China;
University;
of;
Technology,;
Zhengzhou;
450007,;
China;