1Study of Stress, Displacement and Mining Influence on Protected Seam in Extraction of Gently-inclined Contiguous Upper Protective SeamCHEN Yong, YANG Hongmin1-3,82Numerical Simulation of Transient Electromagnetic Response Characteristics of Mine Gob WaterCHANG Jianghao, YU Jingcun, JIANG Zonglin4-83Experimental Study on Permeability Increasing Radius Influenced by Hydraulic Fracturing of Coal SeamsLI Shugang, MA Ruifeng, XU Mangui, XU Gang, ZHANG Tianjun9-11,164Research on Ambient Temperature Change Law in Mine Refuge Chamber during Temperature RiseZHOU Fangnian12-165Study of Mine Transient Electromagnetic Response Characteristics and Correction Method under Support Using Bolt and Wire MeshZHOU Sihui, YU Jingcun, CHANG Jianghao, SU Benyu, JIANG Zonglin, XING Xiuju, ZHOU Xuan17-19,236Numerical Simulation Study on Determination of Coal Pillar Width for Large-section Roadway Driving along Next GobGUO Hui, WANG Xinping20-237Theoretical Analysis and Experimental Study of Air Purification in Refuge ChamberCHEN Yujin, XU Kai24-26,308Test Study on Fly Ash Paste Filling Material in Xingtai Coal MineHE Rongjun, ZHANG Li, WANG Yi, WU Zili27-309Design of 3 D Similar Simulation Model System for Gob Air LeakageWEN Hu, JIANG Hua, ZHAI Xiaowei, WEI Zongyong31-34,5010Research of Using Girth Ejector for Drill Cuttings DischargeLIU Tao35-3811Development and Application of Mine Cooling ClothesLIANG Guozhi, ZHOU Mengying, ZHANG Fenfen39-4212Development of Monitoring Identification and Early Warning System for Mine Major HazardsGUAN Lianhe43-46,5013Influence of Blast Front Structure of Rescue Chamber on Its Antiknock PerformanceSHI Long, LI Jianping, BAI Chunhua, WANG Chuan47-5014Study on Lightning Protection Technology for Coal Mine Safety Monitoring SystemZHANG Jinhao, WANG Weijun51-5315Three-dimensional Electrical Detection of Water Abundance in Floor Rock Stratum of Coal Seam with Large Dip AngleFAN Jin, ZHANG Pingsong, WU Rongxin, GUO Liquan54-56,6016Prediction and Control of Abnormal Roof Water Inrush Pressure Law in Fully Mechanized Caving FacePENG Linjun, SONG Zhenqi, ZHANG Dongfeng, ZHOU Guanghua57-6017Applicationand Effect of Tiangu Hole-sealing Material in Xiejiaji No. 1 Mine of Huainan Mining Industry Group CompanyXU Xiangbin61-6318Analysis on Formation Condition of Water in Roof Bed Separation in Fully Mechanized Face of Extra-thick Seam and Evaluation of Its RiskYANG Qing, QIAO Wei, LE Jian, GUO Wei64-66,7019Application of Electromagnetic Radiation in Coal and Gas Outburst Hazard Prediction in Jiulishan Coal MineLI Hongde67-7020Monitoring Study on Ground Behavior Law in Fully Mechanized Caving Face with Large Mining HeightGAO Bingli, WANG Jinhua, REN Jianxi71-73,77 