1Decision and measures of products structure optimized upgrading for industrial structure strategy adjustment implemented in Yima Coal Mining GroupLI Jun-song1-32Application of discontinuous coal mining technology under separated distribution conditions of residential quartersHE Rong, XU Chuan-yang, LI Yuan-yuan4-63Mathematical statistic analysis method applied to design of water prevention coal and rock pillars in Yushugou MineDONG Hua-zhou7-94Design on vertical ground coal cleaning system at mine main shaft bottomGAOHong-bo, ZHAlJian-zhong10-125Design and application of fire prevention and control grouting system to Chaigou Mine12-146Design on loading on time monitoring and measuring system of mine main shaft hoistWANG Qing-dong, ZHANG Ling, WANG Gui-mei15-167Design experiences and comments on highway bridge to Ningtiaota MineWANG Zhou-hui17-198Research and application of group support to water pumping well chamber of pumping room in deep mine of Xing'an MineJING Hai-he, SHEN Yuan20-229Study on reinforcement technology of soft rock chamber in Dongpang MineHAN Guan-qian23-2510Construction technology of raise boring method for mine large diameter ventilation shaftWANG Chuan25-2711Application of"bolt/support/grouting"combined support technology to mine roadway with high ground pressure,broken and soft surrounding rockZHANG Hao28-3012Design and analysis on bolt and steel mesh support parameters of mining gatewayXIA Ji-zong, HAN Li-jun, JIA Wen-liang, LI Zhen31-3413Study on mine soft rock roadway support countermeasures and mine strata pressure law of Liuhai MineTANG Jian-quan, ZHANG Bao-tong34-3614Hydraulic powered supports connection technology for rotary mining of fully mechanized coal mining face in "three soft" seamCHEN Xing-min, WANG Feng, WANG Zhen-dong37-3915Study on prediction of coal and gas outburst danger in No.21030 coal mining face of Liangbei MineOU Zheng, WU Cai-fang40-4216High pressurized external spraying dust control technology of fully mechanized coal mining face and applied researchSONG Jian-guo43-4517Research and application of full length recoverable resin metal bolt to Huayuan MineWANG Ming-zhong, GE Hai-bin, SUN Yu-ning46-4818Analysis on abnormal high temperature cause in underground mine of Zhaojiazhai MineLI Zhong-zhou, SUN Xi-gui, FANG Tao48-5019Fissure gas control Technology of rock roadway in geological structure complicated zone51-5320Practices on SQ-80/75B endless rope winch under complicated geological conditionsYU Ben-sheng, WANG Zhi-peng, MA Jian-hong56-58 