1Numerical simulation and its prevention thickness of gas advance-outburst mechanism in faults rock pillarWANG Zhirong, WANG Quangeng, CHEN Lingxia, LI Yakun289-2962Research on the working face air leakage regularities under the condition of multi-adjacent gob and gas extractionJIANG Xiaoqiang, YU Minggao, CHU Tingxiang, LI Pin297-3023Problems analysis and countermeasures of hydraulic fracturing and gas drainage in coal mineLIU Xiao, MA Geng, SU Xianbo, TAO Yunqi303-3084Evolution rule of plastic zone on deep buried mining tunnelCHEN Denghong, HUA Xinzhu, DING Changdong309-315,3375Optimization study on in-situ stresses identification based on neural network and genetic algorithmZHANG Shike, XIAO Jianqing, RU Zhongliang, SUN Haijian316-3216BP neural network prediction for blasting vibration in open-pit coal mineWANG Jianguo, HUANG Yonghui, ZHOU Jianming322-3287Experimental research of reinforcing stopping tunnel for extremely soft thick coal seam in deep by grouting of ultra-fine cement materialsXU Xinghua, YANG Jiayi, YANG Shaokun329-3378Deformation-failure characteristics and supporting method of mining tunnel roof in Buertai mineJIA Housheng, QIAO Anzhen, JIANG Wenyuan338-3449Study on key block structure in gob-side entry retaining covered directly by thick hard rock roof and its controlBAI Zhixiong345-349,35610Sedimentary characteristics and its environment of the Mesoproterozoic Bingmagou formation in YichuanFeng Fan, SUN Fengbo, WANG Pengxiao350-35611Modification of subsidence prediction formula based on probability integral methodGUO Wenbing, LIU Dachao, BAI Erhu357-36212Research on uncertain linguistic evaluation of spatial data qualityHUANG Limang, HU Shengwu363-36713GM (1,2) model for predicting mine dischargeLI Jianlin, LI Zhiqiang, ZHENG Jidong, ZAN Minjun, CUI Yanhua, LIU Xiu368-37214Study on the effect of water transfer project construction on landscape patternWU Gang, DONG Mengting, TANG Mingfang, LI Siyuan, CAO Huiming373-38015Geological significance and geochemistry characteristics of Haishenmiao pluton in the Songshan areaSI Rongjun, MAO Guanyu, LI Xinglong381-38916Temperature field analysis of permanent magnet flux-switching linear motorWANG Xudong, WEI Fengwei, BIAN Fangfang, XU Xiaozhuo, FENG Haichao390-39517Research on calculation method of contact pressure of continuous isometric polygonal profile connectionZHOU Aiping, QU Xiaoli, WANG Desheng396-401,40718Development and performance measurements of refrigeration condensing unit based on similarity principleSHENG Wei, LIU Guixin, LI Weizhao402-40719Improved RFID authentication protocol without severless databaseWANG Guowei, JIA Zongpu, PENG Weiping408-413,41920Study on the relationship between the theoretical contact lines and the actual contact lines of Hindley worm driveWANG Xiaolin, YOU Qi414-419 