1Deformation and Stability Lost Mechanism and Support Technology of Inclined Layer Roof in Seam GatewayZHANG Guo-feng, HE Man-chao, JIN Long, DU Chang-longMining and Underground Engineering1-52Support Technology of Large Cross Section Open-off Cut for Fully Mechanized Top Coal Caving Mining Face in Ultra Thick SeamHUANG Qing-guo, GAO Feng, ZHANG Lei, ZHAO JunMining and Underground Engineering6-103Rational Selection of Mining Method for High Cutting Coal Mining FaceCHENG Jian-zhenMining and Underground Engineering11-13,174Equipment Stability Control Technology of Fully Mechanized Coal Mining Face in Steep Inclined SeamLIU Ying-zhi, TU Hong-sheng, YUAN Yong, SUN Lu-lu, BAI Qing-shengMining and Underground Engineering14-175Analysis on Spalling Mechamism of Coal Wall Law for Fully Mechanized High Cutting Coal Mining FaceCHEN Liang, MENG Xiang-rui, GAO Zhao-ning, WANG Xiang-qian, JIN Jun-hengMining and Underground Engineering18-20,246Study on After Peak Acoustic Emission Features of Rock Type MaterialTANG Jun, LIU Wei-qun, FEI Xiao-dongMining and Underground Engineering21-247Study on Structural Stress of Fold Zone Affected to Mine Roadway SupportWANG Zhan-ling, KANG Hong-pu, LIN JianMining and Underground Engineering25-288Optimization Research on Sectional Coal Pillar Width in Tongchuan Mining AreaLOU Jin-fu, LAN Hang, LIU Shao-hong, ZHONG Jian-long, JIA Zhi-feng, LI Guo-qing, WANG XUMining and Underground Engineering29-329Analysis on Backfill Material Strength of Replacement for Belt Coal Pillar MiningSUN Xi-kuiMining and Underground Engineering33-3610Axial Deformation Simulation Test of Support Structure for Gateway in Steep Inclined SeamWANG Yu-feng, WANG Fei, ZHANG Hong-leMining and Underground Engineering37-40,7211Experiment Study on Blasting Cone of CoalYU Yong-qiang, CHU Huai-bao, WANG Wei-chao, YANG Xiao-lin, LIANG Wei-minMining and Underground Engineering41-4312Experiment of Acoustic Emission and Numerical Simulation During Loaded Rock and Soil Fracturing ProcessZHAO En-lai, WANG En-yuan, LIU Xiao-fei, LIU Zhen-tangMining and Underground Engineering44-46,11913Moisture Affected to Gas Desorption Law of No.3 Seam in Xinjing MineLI Xiao-hua, WANG Zhao-feng, LI Qing-song, QI Xin-hongSafety Technology and Engineering47-5014Study on Determination Method of Borehole End Scope for Gas Drainage Borehole in GoafZHAO Yong-ming, JIANG Shu-guang, SHAO Hao, LIU Bin, HAN Zi-wei, CHI Hong-youSafety Technology and Engineering51-53,5715Determination of Seam Smoldering in Mine GatewayWANG Wen-cai, WANG Rui-zhi, ZHANG Peng, HE Yuan, LIU Bing-lei, ZHANG Shi-ming, HOU Dian-kun, WANG Chao, CAO Guang-diSafety Technology and Engineering54-5716Application of Comprehensive Fire Prevention and Control Technology in Fully Mechanized Top Coal Caving Mining Face Passing Through FaultGAO Fa-min, ZHANG Mao-zeng, DONG Qin-liang, LIU Zhi-guo, Wang Qing-chaoSafety Technology and Engineering58-60,8617Application of Permeability Improvement Technology with Hydraulic Flushing Borehole Passing Through StrataWANG Nian-hong, CHEN Zu-guoSafety Technology and Engineering61-63,8218Analysis on Coal and Gas Outburst Mechanism Under Multi Field Coupling ActionLI Xiang-chun, NIE Bai-sheng, WANG Long-kang, DAI Lin-chao, LIU ZhenSafety Technology and Engineering64-66,6919Study on Gas Explosion Mechanism in Low Gassy MineYUAN YeSafety Technology and Engineering67-6920Gas Drainage Technology in Fully Mechanized Coal Mining Face in Jiaojiazhai MineQI Jian-junSafety Technology and Engineering70-72 