1Experimental study on isothermal adsorption-desorption characteristics of dry sample of No.3 coal seam in YangquanXIAO Zhiguo, WANG Zhao-feng559-5632Technology research on gas drainage in low permeability coal seamsZHANG Yan-ming, ZHANG Hui-sheng564-5673Deposit regulation and geological characteristic of Yongxia mining areaYANG De-fang568-5714Optimization of controlling extra large scale water-inrush in Huaxin coal mineLI Song-ying572-5755Investigation of fire and explosion incidentsLi Zhi-feng, Fan Qing-qing576-5806Research of the damage of ventilating shaft affected by MiningZhao Xian-liang581-5867Analysis on equilibrium model of air-drying coal isothermal adsorptionXIA Da-ping, WANG Hong-liang, GUO Hong-yu587-5908Study on change laws of surrounding rock stress of high location roadway and return airway of working faceZHANG Fei-yan, LIANG Kai-shui, GOU Pan-feng, HAN Ying, CHEN Xiao-xiang591-5959Adjacent rock stability and rational supporting parameter design of the whole coal extended repair roadway in extra-thick coal seamLi Jin-quan, Liu Shao-wei, Zhang Hui, Zheng Xin-wang596-600,61110Study on gas geology of Tiechanggou coal mineMa Li-jun, Cui Hong-qing, Jia Xiao-liang601-60611Research about influence of tectonic deformation on coal structureGUO Sheng-qiang, SU Xian-bo607-61112Study on genesis of Siligou iron mine in Qinyang of Henan provinceZHANG Xiao-lian, HUANG Jian-hua, ZHANG Xu-dong612-61613A description of the earth rotation based on Eulerian anglesZHANG Han-wei, YAN Peng-yuan, LI Ai-guo617-62114Image processing of contact spots of hypoid gearWANG Xiao-lin, Chen Guo-qiang, Wei Feng, Xie Gang622-62715Modelling and tracking of mobile manipulator based on screw theoryWANG Hong-qi, HU Wei, SUN Xue-feng628-63416Application of WI-FI in mine emergency WSNKang Yue-ming, Hu Yu-chao, Xie Cheng-liang, Qu Xu-hui635-63817Research on communication of heterogenous networks in intelligent electric actuatorHu Zhi-guo, Yu Fa-shan, Cui Li-zhi639-64518Design and simulation of variable universe fuzzy self-tuning PID controllerDong Ai-hua, Hu Yan-li, Bo Guan-feng646-64919Distribution system design of network virtual diskLI Ming-li650-65520Numerical simulation of airflow distribution and indoor air qualityYUAN Dong-sheng, WANG Gao-fei, TIAN Hui-ling, HONG Liang656-662 