Analysis of pressure-relief and permeability improvement effect of hydraulic flushing刘彦伟, 任培良, 夏仕柏, 孙月庚695-699
Numerical simulation optimization on parameters of bolt support in semi coal and rock roadways何学科, 韦四江, 郜进海705-708
Influence analysis on railway in coal mine area raised by local exploitation of protective coal pillar in industrial square何荣, 张献伟, 郭增长, 李园园709-713
Research on method of obtaining surface movement predicting paramaters based on MATLAB陈勇, 郭文兵, 文运平714-718
Metallogenetic feature and origin analysis of Huaishuping gold deposit of Song county in Henan徐红伟, 杨九鼎, 王国库719-726
Discussing on the geologic structure origin and landscape scientific value of the world geo-park in Wangwu mountain张木辰, 张明礼, 李久飞, 孙越英731-736
Geology and prospecting orientation in Xiaonangou-Longwangmiao Ag-Pb polymetallic mining area in the west of Henan郭方方, 李卫洲, 王万军737-741