1Investigation into coal-gas outburst occurred in Daping Coalmine, by using theories of gas-geologyZHANG Zi-min, ZHANG Yu-gui137-1402A expert system for coal and gas outburst prediction of the working face based on WindowsHAO Ji-sheng, NI Xiao-ming141-1453Study on the fire-throttling process of tunnel fire and its influence factorsFU Pei-fang, ZHOU Huai-chun, YU Qi-xiang, JIANG Shi-cai, YE Ru-ling146-1504Probing into similarity law of fully mechanized mining face in dust suppression by sprayingCAI Wei, JIANG Zhong-an, LIU Yi151-1545Study on components and forming mechanism of three-phase foam with fly ashQIN Bo-tao, WANG De-ming, CHEN Jian-hua, LIANG Xiao-yu155-1596Study on screening of conductive bed in transient electromagnetic prospectingSHI Xian-xin, YAN Shu, CHEN Ming-sheng160-1637Forward modeling of leaky mode waves and zigzag dispersion curves in Rayleigh waves explorationYANG Tian-chun, WU Yan-qing, YI Wei-jian164-1688Study on the role of gas in the coal and gas outburstJING Guo-xun, ZHANG Qiang169-1719Study on plate group mechanical model for main roof of longwall faceCHEN Zhong-hui, XIE He-ping, LI Quan-sheng172-17610The classification of top coal cavability and its application in Lu'an coal mineFAN Shi-min, HU Xue-jun177-18111Research on surface movement parameters of strip-partial miningGUO Wen-bing, DENG Ka-zhong, ZOU You-feng182-18612Finite element analysis of strong steel big-end boltSHI Jian-jun, MA Nian-jie, ZOU De-wen187-19013Study on the mechanism about blasting malfunction in coal mineZHANG Shao-bo, GAO Ming, TENG Wei, YAN Shi-long191-19514Model test research on the formation of freezing wall in seepage groundZHOU Xiao-min, WANG Meng-shu, ZHANG Xu-zhong196-20115Discussion on the principle of effective stressJIE Yu-xin, WEN Qing-bo, LI Guang-xin, XU Yan-chun202-20516Improved grey model by exponential smoothing and its applications in deformation data analysisSHI Yu-feng, NING Jin-sheng206-20917Research on the dynamic characteristic of ash deposition in boilers burning coal and coal water slurryYU Hai-miao, CAO Xin-yu, ZHOU Jun-hu, LI Zhi, ZHOU Zhi-jun, LIU Jian-zhong, CEN Ke-fa210-21418SO2 removal by slurry of coal-waste rocksCHEN Ming-gong, SONG Xiao-min, YAN Cao215-21819Ultra-fine coal grinding and ultra-clean coal preparationFU Xiao-heng, LI Ping, LIU Hu, LI Zuo-li219-22320Study on microstructure and desulfurization characteristics of shell-type sorbentsZHANG Lei, CHENG Shi-qing, TIAN Yuan, LU Chun-mei224-228 