1Backfill mining technology for gateway and pillar top coal caving mining under aquifer of shallow thin bedrockYAN Shao-hong, LIU Quan-ming, ZHANG Hua-xing, WANG Huai-xianMining and Underground Engineering1-3,142Rational development direction of modern open pit mining technology resources in ChinaWANG Jian-guoMining and Underground Engineering4-7,303Research on strata behavior law of fully mechanized longwall caving mining face in extra thick seam in Datong Mine AreaWU Yong-pingMining and Underground Engineering8-104Present status and analysis on rock burst prevention and control technology in PolandJI Zhen-wen, SUN Chun-jiang, JIANG Fu-xingMining and Underground Engineering11-145Technology and application of high efficient mechanized backfill mining to fully mechanized longwall mining face in Zhaizhen MineWANG Guan-dong, DONG Feng-baoMining and Underground Engineering15-166Bolt support technology for mining gateway of island mining face in Shuoli MineXIE Sheng-liMining and Underground Engineering17-18,247Preliminary study on coal bed methane displacement with carbon dioxide injection in Fuxin CoalfieldsGAO Yuan-wen, LIU Da-meng, YAO Yan-bin, GUO Guang-shan, AO Wei-huaMining and Underground Engineering19-248Regeneration preparation and dumping treatment of drilling mud for mine shaft drillingSUN Jian-rongMining and Underground Engineering25-279Controlled smooth blasting technology applied to seam gateway and semi coal-rock roadway in Shouli MineLI Ling-chunMining and Underground Engineering28-3010Comprehensive introduction on mine gas disaster control in Huaibei Coal Mining GroupLI WeiSafety and Technology Engineering31-3411Prevention and control technology of mud and sand flow accident occurred in fully mechanized caving mining face in steep inclined seamXU Yan-chun, ZHU Chun-hua, WU Shi-zhen, YIN Zhi-gang, CUI Bao-yuSafety and Technology Engineering35-3712Design and application of horizontal long borehole for gas drainage in seam roofSUN Rong-jun, SHI Zhi-jun, WU ZhangSafety and Technology Engineering38-41,9413Research on understanding and improvement of accident possible prevention for coal mine enterprisesBAI Yuan-ping, FU Gui, LIU Zeng-meiSafety and Technology Engineering42-43,4814Gas emission law of protective seam mining and fully mechanized longwall mining face with gas drainage before coal miningCHANG Xiao-cun, WANG Ji-ren, SUN Bo, QI Qing-jie, HONG LinSafety and Technology Engineering44-4815Research on prediction of gas contents base on RBF nerves networkWU Guan-mao, HUANG Ming, LI Gang, GUO Xiang-kunSafety and Technology Engineering49-5216Gas control result of coal mining in close distance protective seamYAO Jun-peng, JIA Cheng-bing, ZHANG Zi-min, ZHANG Yu-gui, JIA Tian-rangSafety and Technology Engineering53-56,9717Simulation on spontaneous fire source distribution in goaf with multi air leakage channelsLAN Ze-quan, ZHANG Guo-shu, WANG Zhi-liang, MA Han-peng, XU Jing-deSafety and Technology Engineering57-61,7718Application of multi element area method to mine fire disaster simulationMA Hong-liang, ZHOU Xin-quan, WANG XuanSafety and Technology Engineering62-64,8119Research on uncertainty of data conversion from AutoCAD to MapInfo mine mapWEI Feng-yuan, GUO Ji-fa, CUI Tie-jun, LI Wei-xianGeology and Surverying Measurement65-67,7420Metadata description method of coal geology base on resource description frameworkHAO Wei, CAO Dai-yongGeology and Surverying Measurement68-70 