1Mechanical principles and application of a multi-length support technology to a coal roadway with thick soft combined roof during deep miningGAO Ming-shi, GUO Chun-sheng, LI Jiang-feng, MENG Xian-yi, ZHANG Ming-hua333-3382Model for predicting steel corrosion rates of concrete rebar over timeJI Yong-sheng, YUAN Ying-shu, SHEN Jian-li, LAI Shao-ping, LI Qin339-3443Experimental research on changes in the unsteady temperature field of an airway in deep mining engineeringWANG Yi-jiang, ZHOU Guo-qing, WEI Ya-zhi, KUANG Lian-fei, WU Lei345-3504Study of additiona1 forces induced by differential settlement of widened box girder bridgesWEN Qing-jie, ZHU Yu-xiao, WANG Dong-quan351-3565Characteristics of a nano-particle containing anti-fouling coating for sewage cooling and heating pipingWU Xue-hui, SUN De-xing, YANG Wei-hao357-3616Water yield and water protection of the early Cretaceous aquifer in the Cuncaota coal mine of the Shendong mining area, ChinaXU Hui-jun, WANG Chang-shen, BAI Hai-bo362-3677Experimental study of the failure mechanism in surrounding rock of an inclined shaft excavated through a thick gravel stratumYUE Zhong-wen, YANG Ren-shu, SUN Zhong-hui, DOU Bo-yang, PAN Chang-chun368-3728Ultrasonic detection in concrete structures of damage from sulfate attackZHANG Feng-jie, YUAN Ying-shu, DU Jian-min373-3789Model for estimating rock burst risk in a coal mine based on set pair analysisZHANG Zhi-zhen, GAO Feng, XU Ai-bin, LIU Guan-nan379-38410Characteristics of flame and blast-wave propagation during a gas explosion in parallel tunnelsZHU Chuan-jie, LIN Bai-quan, JIANG Bing-you, ZHAI Cheng385-38911Control of basin-mountain evolution on the occurrence of deep coal and coalbed methane in North ChinaJU Yi-wen, WEI Ming-ming, XUE Chuan-dong390-39812A method for reducing the effect of transforming the type of DEM on derived drainage networkKONG Fan-zhe, SONG Xiao-meng399-404,40913The frequency domain AR modeling of the mine ultra-wideband multipath channelWANG Yan-fen, FAN Zhu-wen, YU Hong-zhen, SUN Yan-jing405-40914Production replacement of coalbed methane in developing block of southern QinshuiLIU Hui-hu, SANG Shu-xun, LI Yang-min, LI Meng-xi, ZHANG Jian-guo, AN Shi-kai, LI Jun-jun410-41615Research on fine sandbody correlation method under the double constraints of isochronous framework and seismic inversionLIN Xiao-bing, TIAN Jing-chun, LIU Li-ping, YANG Ying-tao, FU Ju, WU Ling417-42316Relationship between water chemical composition and production of coalbed methane wells, Qinshui basinLI Zhong-cheng, TANG Shu-heng, WANG Xiao-feng, ZHENG Gui-qiang, ZHU Wei-ping, WANG Shan-shan, ZHANG Jing-ping424-42917Geochemical characteristics and genetic types of Cretaceous oils, Tahe oilfieldCUI Jing-wei, WANG Tie-guan, LI Mei-jun, LI Hong-bo430-43718Synergistic effect of photo-biological co-conversion of Shenfu coalMENG Qing-yu, WANG Yong-juan, ZHOU An-ning438-44219Prediction of gas holdup in cyclonic-static micro-bubble flotation column based on BP neural networksLIAO Yin-fei, LIU Jiong-tian, WANG Yong-tian, CAO Yi-jun443-44720Evolution and effects of surface chemistry of activated coke during combined SO2/NOx removal processXIE Wei, LIANG Da-ming, SUN Zhong-chao, LI Lan-Ting, WANG Yong-gang, XU Zhen-gang448-452,463 