1SHM Highwall Mining Technology and Key Issues of ApplicationLIU Wen-gang, WANG Lei-shi, FU QiangDesign and Technology1-42Structure Design of Shrinkable Device Applied to Drillng Shaft Liner of South Mine Ventilation Shaft in Chensilou MineLIU Xing-yan, YANG Zhi-jiangDesign and Technology5-73Discussion on Mine Design with Coal and Gas Outburst Steep Inclined Seam GroupZHAO Yu-dongDesign and Technology8-104Determination on Coal Pillar Width of Gateway Driving Along goaf in Island Seam Coal Mining Face of Deep MineNIE Jian-wei, WANG Qing-niu, XU Jun-fengDesign and Technology11-135Design on Continued Auxiliary Transpiration System in Mine Shaft of Pojianghaizi MineZHANG Long-zhengDesign and Technology16-186Discussion on Silo Roof Structure Design of Concrete Silo with Large Diameter Reinforced BarsLU Ding-xinDesign and Technology28-307Seam Gateway Driving Through Sink Hole with Deep Borehole Grouting Reinforcement TechnologyZHANG Peng-chong, ZHANG Nong, ZHENG Xi-gui, ZHANG Yuan-yuan, XU Xing-fuConstruction Technology38-408Research and Application of Gateway Driving Along Goaf forward to Adjacent Mining Coal Mining Face in Chensilou MineZHAO Yao, WANG Jue, GAO Ming-shi, LIU Bo-taoConstruction Technology41-439Study on Coal Mining Method in Steep Inclined and Complicated SeamNING Qi-yuan, YAO Qi, ZHANG Fang-wenProduction Technology49-50,5310Application of Regional Gas Outburst Prevention Technology to Jiulishan MineJIANG Yu-xi, CHEN PanProduction Technology54-5611Application and Technology of Mine Water Treatment in Taixi Block of Pingshuo Underground No.1 MineGUO Zhong-quanProduction Technology59-6112Application of Mine Submersible Pump to Mine Disaster resistance and Powerful Water Discharging SystemZHAO Shu-zhong, ZHANG Xiao-si, SONG Jian-guoProduction Technology62-6313Analysis and Study on Formation Mechanism of Subsidence Disaster in Gully Region of Shallow Depth SeamJI Hong, YU Xue-yiDiscussion on Research69-7114Mechanism Analysis and Control Technology of Floor Heave Occurred in Mine Soft Rock Gateway in Inclined SeamWANG Hong-wei, ZHANG Jian-hua, ZENG You-fuDiscussion on Research72-7515Study on Bumping Tendency of Coal and Rock Combined Model Base FLAC3DLI Xiao-luDiscussion on Research80-8216Experiment Study on Permeability Features of Sedimentary Rock with Low Surrounding PressureSUN Xi-zhen, ZHANG Lei, LIU Ke-ming, LI Hai-fengDiscussion on Research94-96,9917Research on Continued Gradation Compression Experiment of Primary Coal RejectsQIAN Zhi, XU Dou-dou, GUO Guang-li, ZHA Jian-fengDiscussion on Research100-102,10618Study on Mechanical and Chemical Method Applied to Prepare Ultra Fine Coal Measure KaolinCHENG Hong-fei, LIU Qin-fu, HE Jun-kai, JI Lei-bo, ZHANG Zhi-liang, CUI Xiao-nanDiscussion on Research103-10619Non-Prism Total Station Method to observe Inclination of Mine Shaft HeadframeGUI Wei-zhen, YAN Yong, DANG Hong-kou, HUANG Xiao-yang, BAN Xun-guangDiscussion on Research107-10920Comments on Application of Crawler Type Hydraulic Powered Support under Complex Roof ConditionWU Heng-jianEquipment Technology112-114 