1Blasting rapid excavation technology for freezing thick gravel stratum of mine shaftMA Qin-yong, WANG Chang-bo, XU Hui-dong, FANG Ti-li, YANG Ren-shu, NIU Xue-chaoTechnology and Experiences1-3,72Optimized analysis and assessment of water controlled safety mining under Xitian RiverLI Yu-min, REN Fen-huaTechnology and Experiences4-73Optimized design of drilling rod structure parameter for screw minerLI Jian-ping, ZHANG Yong-zhong, DU Chang-longTechnology and Experiences8-104Sensor and control system of mine rescue robotTONG Min-ming, LU Sheng-hua, YANG Li-xian, ZHANG Chuang, FENG Ying-boTechnology and Experiences11-145Technology of comprehensive water prevention and control for mine shaft sinking under complicated hydrological conditionsJING Ji-dong, CHENG Jiu-long, MAO Zhong-yu, DU Bing-qi, ZHANG Shi-tongTechnology and Experiences14-166Status of pilot probing technology for blined headingTIAN Jie, HAN Guang, WU Yu-jing, WU MiaoTechnology and Experiences17-207Gas control and application technology in Sihe MineWANG Ping-huTechnology and Experiences20-228Practices on mine fire comprehensive prevention and control technology for mine seam gateway in high stress area and under mine goafLI Jian-xinTechnology and Experiences23-259Analysis on gas control of No.111217 fully mechanized coal face in Yueliangtian MineJIANG Ze-zhao, JI Hong-weiTechnology and Experiences26-2810Dimensionless parameters applied to fault diagnosis of mine low speed heavy loaded gearGUO Hou-ming, XING Zhi-gang, JING Shuang-xiTechnology and Experiences28-3111Applied research on bolt and grouting reinforced technology for mine dynamic pressurized roadwayKONG Yi-fan, JI YANG-ruiTechnology and Experiences32-3512Application of Wongawilli mining technology to Shendong Mining AreaWANG Xin-weiTechnology and Experiences36-3813Practices on upward mining technology for seam group in Linnancang MineJING Guo-feng, ZHANG Xian-feng, LIU Jin-wenTechnology and Experiences38-4014Technical reform for auto quantitative loading system of mine skipQIAO Hua, LIU Bao-fengTechnology and Experiences41-4315Simulation and application of Buck transformer for intrinsic safe switch powerWU Bing, ZHANG Rui-binTechnology and Experiences43-4516Application of mine geological mechanics measurement and test to mine roadway supportLI Bao-zhuTechnology and Experiences46-47,5017Support technology for mine complex soft rock roadway applied in Datong MineXU Guo-qingTechnology and Experiences48-5018Development and application of WqC2J mine flameproof rubber-tyred vehicleMA Jian-minTechnology and Experiences51-5319Experimental study on rheology performances of paste backfilling slurryZHAO Cai-zhi, ZHOU Hua-qiang, QU Qun-di, CHANG Qing-liangTest and Research54-5620Research on ore body model establishment with multi resolution ratio and extended octreesLIU Ya-jing, LI Mei, YAO Ji-mingTest and Research57-60