1The mechanism of the emergency rescue response during coal mine gas explosionGUO De-yong, LIU Jin-cheng, JIANG Guang-jie697-7002Research on determination of chaotic characteristics of gas gush based on time series in excavation working face of coal mineSHI Shi-liang, SONG Yi, HE Li-wen, ZHU Chuan-qu701-7053Three types hazard theory and prevention of coalmine accidentsTIAN Shui-cheng, LI Hong-xia, WANG Li706-7104Coal-bed methane percolation numerical simulation considering gas slippage and water-gas couplingXIAO Xiao-chun, PAN Yi-shan711-7155The influence mechanism of surfactant on the process of gas hydrationWU Qiang, ZHANG Bao-yong716-7206Improving method and increasing effect of gas drainageYAO Shang-wen721-7267Characteristics and treatment mechanism of mine water with high concentration of iron and manganeseLI Fu-qin, YANG Jing, HE Xu-wen, YANG Jiu-po, TIAN Tian727-7308Surrounding rock abutment pressure distribution and thickness effect of dynamic catastrophic in fully mechanized sublevel mining stopeXIE Guang-xiang, YANG Ke, CHANG Ju-cai, WANG Lei731-7359Keys to dynamic equations of system R-S-F and determination on working resistance of face support in steeply dipping seam miningWU Yong-ping736-74110Mechanism analysis on failure of deep rock laneway under dynamic disturbanceZUO Yu-jun, TANG Chun-an, ZHU Wan-cheng, TAN Zhi-hong742-74611Study on strip mining size under thick alluvium and thin bedrockGUO Wei-jia, CHEN Shao-jie, LI Fa-zhu747-75112Support design and simulation in No.9 coal laneway of Wuhushan mineGUI Xiang-you, MA Yun-dong, ZHANG Li-xin752-75613Moisture-temperature coupling mathematical model in freezing soil and finite element numerical simulationWANG Ren-he, LI Dong-wei757-76014Probability distribution of key time parameters in open-pit mine truck dispatchingWANG Qiang, ZHANG Ying, CHEN Chong, XU Wen-li761-76415Experimental study of charging constitution of directional splitting blastingLIANG Wei-min, LIU Yong-sheng, YANG Xiao-lin, XIE Hua-gang765-76916Mineralogy and geochemistry of the high-organic sulphur coals from the carbonate coal measures of the Late Permian in central GuangxiSHAO Long-yi, LU Jing, Tim Jones, Rod Gayer, SHANG Lu-jun, LIANG Zhi-jun, ZHANG Peng-fei770-77517Water environment assessment model in Yushenfu mining areaDONG Dong-lin, WU Qiang, QIAN Zeng-jiang, XIE Hai-lan, WU Guang-xian, BI Cen-cen, L(U) Zhen-qi776-78018Application study of the precipitable water vapor with regional GPS networkWANG Yong, LIU Lin-tao, HAO Xiao-guang, XIAO Jian-hua, WANG Hou-zhi, XU Hou-ze781-78419Study on the molecular structure of asphaltene fraction from the Shenhua coal direct liquefaction residueGU Xiao-hui, SHI Shi-dong, ZHOU Ming785-78920Research on the crystalline phase and desulfurization activity of FeOOH prepared by different raw materialsGONG Zhi-jian, TIAN Yuan-yu, LI Wen-hua, XU Zhen-gang790-793 