1Experimental Study on Gas Drainage Technique for Mining Area by Surface BoreholesTest and Research1-2,52Set-pair Analysis Model for Comprehensive Prediction of Coal and Gas Outburst and Its ApplicationLU Hong-weiTest and Research3-53Numerical Simulation Study on Extraction of Protective Seam in Dawan Coal MineWU Jiao-kun, ZHAO Xu-sheng, LI Qiu-linTest and Research6-7,104Development of ZY3500 Mine Fully Hydraulic Roadway Drilling MachineLU Bing, WANG Qing-feng, SHI Chun-baoTest and Research8-105Experimental Study and Theoretical Analysis of Influence of Electromagnetic Field on Gas ExplosionZHANG Hui, GUAN Cong-guangTest and Research11-136Study on Heavy Metal Pollution of Soil nearby Coal Gangne Dump in a Coal Mining AreaTest and Research14-167Applying Characters of AE Time Sequence Parameters to Predict Rock DestabilizationHE Jian-ping, WANG NingTest and Research17-198Research on Characteristic Curves of Sandstone under Cycle Load and Different Saturation DegreeTest and Research20-21,249Experimental Study of Complex Dust Control Technique for Fully Mechanized Heading Face in Fenghuangshan MineWU Guo-you, CHEN Ying-xin, GUO Zhen-xinApplication Techniques22-2410Monitoring of Ground Behavior in Mining Process of Steep SeamDOU Qing-fengApplication Techniques25-26,3011Gas Drainage from Underground Mine with 1000m Branched Long Holes along SeamDU Zi-jian, LIU Zi-longApplication Techniques27-3012Application of Bolt-Mesh-Girder-Anchor-Concrete Combined Support in Roadway in Deep Soft RockApplication Techniques31-3313Research on Gateway Support of Fully Mechanized Caving Face in Inflammable Extra Thick SeamNAN Hua, DU Wei-xin, ZHOU YingApplication Techniques34-3614Application of Ground Radar in Advance Detection of Coal RoadwayApplication Techniques37-38,4115Evaluation on Stability of Ground Subsidence in a Mining AreaYU Yuan-xiangApplication Techniques39-4116Analysis on Relation of Extracting Outburst Seam by Caving with Outburst HazardLIAN You-hong, LIANG Yun-pei, FANG Wei-qingTechnical Experience42-44,4717Study of Repair and Reinforcement Technique for Roadway Roof-fall Area in Loose MudstoneTechnical Experience45-4718Practice of Utilizing Natural Air Pressure for Ventilation during Capital Construction of a MineWANG Dong-shengTechnical Experience48-49,5219Causes of Large Area Roof-fall in Working Face and Its Prevention and ControlFENG Jia-yuan, ZHANG Han-chengTechnical Experience50-5220Erection and Application of Safety Monitoring System in High Gassy Coal Mining AreaBAI Fa-song, CHENG Long-huiTechnical Experience53-54,57 