1Experimental study of coal-mine gas degradation using Fenton oxidative reaction systemWEI Jian-ping, WANG Zheng-jin, DAI Jun1-52Fire-fighting technology analysis of easy spontaneous combustion and specially thick seam of fully mechanized caving faceYU Ming-gao, ZHANG Yao-feng, CHU Ting-xiang6-113Study on construction project labor using life tableJI Fan-rong, ZENG Da-lin, ZHENG Sheng-qin12-15,194Gas component changes in biological methane gas output processXIA Da-ping, WU Yu, CHENG Xin, SU Xian-bo16-195Study on physical simulation experiments of moisture content in deep coalbedLIU Gao-feng, ZHANG Zi-xu20-246Study on CBM production main controlling factors of Qinnan Panzhuang blockXU Tao, SU Xian-bo, NI Xiao-ming25-297Surface flow-back test technology of shale gas in Sichuan basinLIU Fei, WANG Bo, PAN Deng, ZENG Xiao-jun, PANG Dong-xiao30-348Hazard classification of a typical southwest mountain debris flow based on extension theoryYANG Zhi-shuang, HAN Yu-long, ZHANG Hao-ran35-399Study on transformation of nitrite in geothermal reservoir fine sand of Minghuazhen formationWANG Xin-yi, A Li-li, ZHAO Li, ZHANG Yan-xin40-4510Geometry characteristics of pre-mesozoic basin of eastern part of north ChinaCAO Gao-she, XU Guo-qiang, GAO Li-xiang, LIN Yu-xiang, YANG Qi-hao, XU Guang-ming46-5111Study on parameters determination of probability integral method based on grey prediction modelCHEN Jun-jie, TAO Wan-dong, GUO Yan-tao52-55,6112Research on obstacle-surmounting performance of series tracked robotDENG Le, XIE Guo-zhou56-6113Structure design and fault tree analysis of mining hose cloth wrapping and unwrapping machineWANG Fu-rong, DONG Qiu-sheng, YANG Xian-qing62-64,7214Optimal design of engine connecting rod based on FEMYANG Zhi-bo, LUO Peng-fei, LIU Kai-fei65-6815Circular hole of PCB detection methods based on image processing technologyWEI Feng, WANG Xiao-lin, LOU Yuan-jing69-7216Image retrieval based on block object regionHAI Lin-Peng, WEN Yun-ping73-75,8417Research on self-adaptive algorithm of edge detection based on gradientLI Hai-hua, FAN Juan76-7918Design of dormitory central heating control system based on CAN busZHANG Ming-jun, ZHENG Yan-ping80-8419Analytical approach for stability of variable cross-section compression barsYANG Li-jun, DENG Zhi-heng, WU Xiao, SUN Jin85-8820Analysis on instability criterions for inhomogeneous slope based on strength reduction finite element methodWANG Jun-jie, MA Wei, ZAHNG Hui-ping89-92 