1Permeability-increasing mechanism of network slotting boreholes and application in crossing borehole gas drainage1425-1430
2Analysis on borehole instability and control method of pore- forming of hydraulic fracturing in soft coal seam1431-1436
3Characteristics of mining gas channel and gas flow properties of overlying stratum in high intensity mining1437-1443
6Guide channel construction for gas drainage and its applications in coal seams with low permeability and strong burst-pronenees1456-1460
7Establishment and application of the stereo drainage model for high gas working face of short distance seam group1461-1465
13Experimental study of coal deformation and permeability characteristics under loading-unloading conditions1493-1498
14Influence of gas pressure on mechanical and seepage characteristics of coal under unloading condition1499-1504
15Investigation into mechanical responses and ennergy dissipation properties of coal containing methane to confinement unloading1505-1510
16Experimental study on relationship between surface temperature and volumetric strain of rock under uniaxial compression1511-1515