1Experiment research on strengthening gas drainage effect with fracturing technique by liquid CO2 phase transitionWANG Zhaofeng, SUN Xiaoming, LU Tingkan, HAN Yabei1-52Pressure measuring technology based on polyurethane fast hole-sealing in long borehole along seamYANG Hongmin, WANG Qiyu6-93Predictive analysis of degradation of coal-mine gas via fenton reagent based on quantum chemistryYU Bensheng, WANG Rui, WEI Jianping, YANG Juan, DAI Jun10-144Research on ventilation-system optimization of Micun coal mineLU Zhongliang, LI Yinzheng, QI Jinlong, FU Tong, WU Xinzheng15-185Analysis on prominent power cause of coal and gas outburst in Qidong mineLEI Dongji, HE Shaopan, GUO Xiaojie, MENG Hui19-246Deformation mechanism and detection analysis for mining residual cavities under buildings additional stressXU Ping, MAO Xianbiao, ZHANG Minxia, ZHOU Yuejin, LI Jiawei25-29,747Energy evolution mechanism in deformation and destruction process of grit stoneWANG Yunfei, ZHENG Xiaojuan30-348Study on prediction of coal spontaneous combustion based on grey Markov modelWANG Lei, WU Shujing, LI Changqing35-399Molecular fossils from stromatolites of Mantou formation of Cambrian in Mianci area in western Henan ProvinceQI Yongan, ZHANG Zhen, ZHENG Wei, DAI Mingyue40-4510Setting of waterproof coal pillar on weak water conductivity faultYI Weixin, CUI Yujie46-5211Research on method of integer ambiguity resolution algorithm by BDS multi-frequency combinationLI Kezhao, MENG Fujun, DING Anmin, HAN Mengze, SUN Jiangfeng53-5812An improved PMVS algorithm based on multi-view oblique imagesWANG Shuangting, CHENG Kunkun, LIU Xiaolong59-6313Analysis about stress and deformation of mine submersible pump impeller based on finite elementWANG Yuqing, ZHANG Pengfei, LI Jianzhong, ZHANG Junhui64-6814Simulation analysis on influence factors of torque characteristics of axial modulating permanent magnet reducerZHANG Hai, XIAO Lei, ZHAO Ruoxiang, LI Xin, ZHENG Guo, ZHANG Xiaodong69-7415Design for clustering routing based on fuzzy K-means algorism and adaptive shuffled frog algorismLIU Ke, YANG Fengying75-8016A frequent item-set mining method based on random meetingZHAO Wentao, FU Kankan, LI Suqing, ZHANG Xiaohong81-8417LQR optimal controller design of two-wheel self-balancing vehicle based GAYANG Lingxiao, LI Xiaoyang85-9018An improved community detection methodLIU Yongli, FU Lili91-9519Uniaxial compressive constitutive relations of high strength concrete added by steel fibers and carbon nanotubesYANG Jianhui, WANG Hongju, YANG Dafang, BI Fuli, WANG Li96-10120Computional method analysis for transverse load distribution of damage bridgeWEI Baoli, DENG Miaoyi102-108 