1Study on relative aguiclude existed in mid-Ordovician limestone top in North China coal fieldDONG Shu-ning, LIU Qi-sheng289-2922Tectonic evolution of Taihang Mountain and its control action on cool seam occurrence in southeastern HebeiDOU Xin-zhao, JIANG Bo, ZHANG Jun, CHANG Ming-hua, ZHAO Ben-xiao293-2973Migration imaging for tunnel reflected-wave seismic prediction aheadSHEN Hong-yan, LI Qing-chun, FENG Hong298-3044Experimental investigation on fault activation pattern under deep miningZUO Jian-ping, CHEN Zhong-hui, WANG Huai-wen, LIU Xiao-peng, WU Zhi-peng305-3095Pressure control in sub-level long face surrounded by three sides mined areas of C-shaped strata spatial structureHOU Wei, JIANG Fu-xing, WANG Cun-wen, FENG Zeng-qiang, WANG Dao-zong310-3146Methods of retaining water barrier and its stability analysis of steep working faceJIA Jian-qing, WANG Hong-tu, HU Guo-zhong, LI Xiao-hong, YUAN Zhi-gang315-3197Deformation analysis of covering rock masses as mining steep-inclined coal seam and its applicationMA Ya-jie, WU Qiang, HONG Yi-qing, GUO Li-wen, TIAN Hong-sheng, ZHANG Li-ge320-3248Study and application of support techonlogy on swelling soft rock roadwayLI Hai-yan, LI Shu-cai325-3289Dynamic characteristics experiment study of loading rock based on theory of load/unload response ratioMIAO Sheng-jun, FAN Shao-wu, CAI Mei-feng, CHEN Chang-zhen329-33310Laboratory research on properties of frost heave and thaw settlement of cement-improved Shanghai's grey-yellow silty sandHU Xiang-dong334-33911Liquid-solid coupling vibration of reinforced concrete rectangular liquid-storage tanksCHENG Xuan-sheng340-34412Explosive blasted per delay and burden effects on the time-frequency characteristic of vibration induced by blastSHI Xiu-zhi, CHEN Shou-ru345-34913Mathematical geology technique and method for prediction of gas content and emissionZHANG Xu-liang, SHAN Ju-ping, PENG Su-ping350-35414Predigested bidispere diffusion mathematical model of methane in coal microporeYI Jun, JIANG Yong-dong, XIAN Xue-fu355-36015Experimental on mine gas separation based on hydration mechanismWU Qiang, ZHANG Bao-yong, SUN Deng-lin, ZHU Yu-mei, LU Bin361-36516The application of Span80 in methane absorption and explosion suppression materialZHANG Zeng-zhi, GU Na, ZHANG Ji-fei366-37017Disaster prediction of coal mine gas based on rough set theorySHAO Liang-shan371-37518Relationship between discharge rate and productivity of coalbed methane wellsLI Jin-hai, SU Xian-bo, LIN Xiao-ying, GUO Hong-yu376-38019A decision-making system of coordinated development between planning mines and constructing coal-bed methane wellsNI Xiao-ming, WANG Yan-bin, WU Jian-guang, ZHANG Xiao-jing381-38520Study on average molecular weights of the distillated fractions from different coal-derived oilsZHU Xiao-man, LI Pei-lin, WANG Yu, SHI Shi-dong, WU Yan386-389 