1Fully Mechanized Top-coal Caving:Underground Stress at Gateways Under Barrier Pillars of an Upper Coal SeammTU Shi-hao, WANG Fang-tian, DOU Feng-jin, YUAN Yong, LU Yan1-52Influence and Control of Coal Petrological Composition on the Development of Microfracture of Coal Reservoir in the Qinshui BasinYAO Yan-bin, LIU Da-meng, TANG Da-zhen, TANG Shu-heng, HUANG Wen-hui6-133Experimental Study of Chromium Pollution in Coal Mine Water:A Case of the Xuzhou-Datun Coal Mine District,Jiangsu,ChinaSHAN Yao, QIN Yong, WANG Wen-feng14-194Research on the Stability of Thermosyphon Pile Foundations for High-Voltage Transmission Towers Located in Permafrost RegionsXU Xue-yan, YU Lin-lin, WANG Li-yue20-255An Analysis of Factors Affecting Water-Inrush from the Number 4 Coal-Seam Roof Conglomerate in the Huafeng Coal MineSHI Long-qing, YU Xiao-ge, WEI Jiu-Chuan, GUO Jian-Bin, ZHAI Pei-be, LI Jing-fa, LI Gong-qiang26-31,446Distribution Patterns of Permafrost in the Upper Area of Shule River with the Application of GIS TechniqueSHENG Yu, LI Jing, WU Ji-chun, YE Bai-sheng, WANG Jie32-397Research on the Influence of Roof Strata on Rock Burst RiskMU Zong-long, DOU Lin-ming, NI Xing-hua, ZHANG Ming-wei40-448Research on Through Degree of Overlying Strata Fracture Fissure Induced by MiningHUANG Bing-xiang, LIU Chang-you, XU Jia-lin45-499Blasting to Relieve Pressure Around a Soft Rock RoadwayTIAN Jian-sheng, JING Hong-wen50-5410Investigation of a Self-Excited Pulsed Water Jet for Rock Cross-Cutting to Uncover CoalLU Yi-yu, GE Zhao-long, LI Xiao-hong, CHEN Jiu-fu, LIU Yong55-58,6911Effects of Different Type Clays on the Dispersion of Fine Particles in Coal SlurryLIU Jiong-tian, ZHANG Ming-qing, ZENG Yan59-6312Origin and Formation Mechanism of Coal Caking PropertyQIN Zhi-hong, LI Xing-shun, CHEN Juan, ZHANG Li-ying, HOU Cui-li, GONG Tao64-6913Influence of Mining Velocity on Dynamic Disasters in the Coal and Rock Mass at a Fully Mechanized Mining FaceWANG Lei, XIE Guang-xiang70-7414A Topology Chain Model for Describing Line-Line Spatial RelationsLIU Wan-zeng, CHEN Jun, DENG Ka-zhong, ZHAO Yong, ZHANG Wei-fu, ZANG Zhe-yi75-7915Impact of Freezing on Water Content and Dry Density Distribution by CT TechnologyZHENG Jian-feng, MA Wei, ZHAO Shu-ping, PU Yi-bin80-8616A Novel Three-Phase Localization Method in Coal Mine Wireless Sensor NetworksPEI Zhong-min, DENG Zhi-dong, WU Tian-hua, XU Xiao87-9217The Effect of Specimen Length in φ75 mm Split Hopkinson Pressure Bar ExperimentLI Sheng-lin, LIU Dian-shu, LI Xiang-long, KANG Hou-jin, WANG Li-bin93-9718XPS Analysis of Shenfu Coal with Different Density Fraction Under UV Catalytic PhotooxidationYANG Zhi-yuan, ZHOU An-ning, ZHANG Hong, ZHANG Qun98-10319Characterization and Modification of Inlet Configuration on Gas Flow in a Circulating Fluidized Bed Desulfurization ReactorGONG Guo-zhuo, YE Shu-feng, CHEN Yun-fa, XIE Qiang104-10820QoS Model of Multimedia Integrated Services Digital Network in Coal Mineoal MineYIN Hong-sheng, LIU Zhen, QIAN Jian-sheng, ZHANG Kai, WU Jian109-115 