of;
Energy;
Engineering,;
Xi'an;
University;
of;
Science;
and;
Technology,;
Xi'an;
710054,;
China;
Laboratory;
of;
Western;
Mines;
and;
Hazard;
Prevention,;
Ministry;
of;
Education;
of;
China,;
Xi'an;
710054,;
China;
水平分段放顶煤; 经济效益评估; 爆破弱化; 厚煤层; 混合; 乳化炸药基质; 压力监测; 爆破方案;