1Study on Adsorption Characteristic of Coal to Nitrogen Based on Adsorption Potential TheoryYANG Hong-min, YU Bao-zhong, WANG Zhao-feng1-32Influence Study on Initial Speed of Methane Diffusion by Adsorption PressureKANG Jian-ning4-5,93Formula research of mineral product organic solidification foamXI Zhi-lin, WANG De-ming, GUO Xin-an, WANG He-tang6-94The Modification of Polyurethane Foam in Coal MineLIU Chao, TAN Yun-zhen, LI Xue-lian10-125Research on Relationship between Different Width of Working Faces and Heighst of Water-flowing Fractured ZoneLIU Yang13-176Research on Numerical Simulation of Stability of Surrounding Roadway under Condition of Bolt-rope Support in Open-off CutLI Qiang18-217The Determination of Coal and Gas Outburst Prediction Indice and The Critical Value of Regional Studies in Ligou Mine22-248Technology of Water Rejection for Prevening Dust in High-temperature and Deep ShaftCHEN Jin-yui25-289Practice of Comprehensive Preventing Dust in Excavation Face of RoadwayWANG Tao, CHENG Zi-hua, CUI Shi-lei28-3010The Prevention of Spontaneous Combustion in Residual Coal Mining Complex Seam of Gob in Xipang Coal MineMA Wei, MI Chu-ming, WANG Xiang31-3311The Application on Building Closed Wall by Pumping Filling34-3612Study on the Index System of Mark Gases for Spontaneous Combustion of Daxing Coalmine in ChinaSONG Shuang-lin, WU Yong, ZHANG Wei-liang36-3813Measure and Numerical Simulation about the Spontaneous Ignition "Three Bands" in Face 2304 of Wang-tai MineWANG Jia-xue, PAN Rong-kun, YU Ming-gao39-42,4514The Research and Application of the Coal Spontaneous Combustion Prevention Techniques f The Easy Spontaneous Combustion Thick Seam under the Low Speed Advancement Condition in the Fully Mechanized Caving face43-4515Research the Law of Coal Caving and Technology of Drawing Coal in Top-Coal Caving of Extremely Thick Coal Seam46-4816Research on the Characteristics of Interval Fracture and Control of Soft Roadway49-5117The Impact of Risk Prediction Based on Sound Monitoring Technology52-5418The Practice of High Preload Bolting Technology along GobWU Hai55-5719Application of Mining Technology Along Goaf in High Press and Deep Coal SeamsJIANG Shi-jie58-6020The Design to Large Span Cut Anchor and Mesh of Compound Roof in Wind Oxidation ZoneLI Xiao-bin61-63