1The dominated factor of oil and gas derived from C-P coal and coal-bearings in Bohaiwan basinWANG Yan-bin, HAN De-xin561-5652The research and application of microseismic technology in mine fractured and caving zones monitoringZHANG Xing-min, YU Ke-jun, XI Jing-de, KONG Fan-ming, ZHANG Xin-bin, WANG Shu-Jun566-5703Analysis on distribution features of gas outburst from two walls of normal fault and geological originLiu Xian-wei, Cao Yun-xing, Liu Rui-xun, He Ding-dong571-5754Crystallinity difference for various origin of kaolinites in coal measuresLIU Qin-fu, XU Hong-liang, ZHANG Peng-fei576-5805Parameter stochastic problems in groundwater management modelHU Wei-yue581-5846Study on the mining patterns of high-output and high-efficiency mineSUN Zhong-hui585-5887Study on depressurizing control of the surrounding rock of a roadway along gob area in sub-level caving miningHE Fu-lian, CHEN Jian-yu, ZOU Xi-zheng, QU Qun-di, LIANG Yuan, LING Biao-can, YANG Yu-min589-5928Study on seepage features of coal-bed cracks under controlling stressDENG Guang-zhe593-5979Mechanical analysis of slipping of rock slopeCHEN You-liang598-60110Study on the parameters of grouting bed-separation in mining-affected overburdenGUO Wei-jia602-60611Study on the art parameters of horizental barrel vault advanced support in the soft rockZHANG Chuan, YANG Chun-man, ZUO Yong-jiang607-60912Theoretical analysis on the parameters of smooth blasting soft mat layer charging constructionXU Ying, ZONG Qi610-61313Study on influence and mechanism of gas adsorption and desorption in electromagnetic fields exertedHE Xue-qiu, ZHANG Li614-61814Analyzing on air-leakage condition of gate in fully-mechanized long-wall top-coal caving mining faceGUO Xing-ming, XU Jing-cai, HUI Shi-en619-62315Comparative experiment of burning property of conveyer belts and woodCHENG Yuan-ping, JI Jing-wei, LI Zeng-hua624-62716The research of mine hoist digital range controllerLI Jing-zhao628-63117Study on capacity matching of the front and the rear scraper conveyor in fully mechanized top-coal caving work faceLUO Shan-ming, SHI Wen-lin632-63518An approach to product development based on DFA,DFM and DFCZENG Qing-liang, WAN Li-rong, XIONG Guang-leng, FANG Jia-yu636-64019The natural frequency characteristic of the self-excited oscillation pulsed water jet deviceLI Xiao-hong, YANG Lin, WANG Jian-sheng, LU Yi-yu, ZHU Yong641-64420Mathematical model and application of determining pick seat's position for roadheader transverse cutting headerGUO Ying-fu, ZHANG Yong-zhong, ZHU Shi-min645-648 