1Extinguishing technology with three phase foam grouting from surface boreholes for mine special large fire disasterZHOU Fu-bao, SONG Ti-liang, WANG De-ming, ZHANG Yu-liang, LI Xiang1-32Closed pressure releasing applied to safety mining of No.Ⅱ624 coal mining faceHUANG Da-xing, WANG Yong-gong4-63Ventilation system rebuilding for Ji-7 coal mining area in Pingdingshan No.12 MineWang Hong-yi, MA Liang-tao, ZHANG Fu-wang6-104Application of industrial ethernat switch technology in coal mineQIAN Jian-sheng, ZHAO Pei-pei, LI Peng, LI Shi-yin, ZHANG Mei-suo11-145Coal mining face expansion technology with coal shearer for stable of fully mechanized coal mining faceYAO Zhong-bao, YANG Zhi-hua15-176Bolt/anchor/steel mesh support technology for high inclined seam gateway with complex roofGong Yao, Yin Jian-guo18-197Practice on grouting and bolt-groutong reinforcement for mine gateway on top of high caving goafFAN Shao-wu, CAI Mei-feng, ZHANG Wan-chao20-228Design and application of bolt support base on strata stress measurementCAO Yun-wei23-259Research and application of fly ash in mine electric power plantLI Shu-rong, ZHANG Wei-dong, CHEN Ge, Jiang Xi-yin, CHEN Meng-bo26-3010Application of compound frequency screen in coal recovery from slime dewateringZHU Man-ping, XIA Yu-lin, KANG Ying-jie31-3311Practice on fully mechanized top coal caving mining technology in Fangezhuang MineSU Zhi34-3612Site measuring results of coal and rock properties in Shuguang Mine applied to support designXUE You-xing37-3813Adjusted rotary coal mining face technology of No.7202 fully mechanized top coal caving mining face with light weight hydraulic powered supports in Longgu MineYOU Ya, GAO Guang-jun39-4114Research on distribution features and desulphurization test of Nantong high sulfur fine coalTAO You-jun, GAo Min, HE Qing-song, LIU Han-gang, ZHAO Li, LIU Ming-liang, WU Lei42-44,4815Research on bolt support system for full seam gateway in high stressed thick seamJIA An-li, HUANG Xu45-4816Feasibility analysis on design of hydraulic system of electric and hydraulic controlled powered supports with plug in valveHOU Bo49-5217Experimental research on combustion features of mineconveyor belt, ventilation tube and mine timberPAN De-Xiang, WANG Yu-huai, MA Shang-quan, Yang Shou-sheng, SHU Zhong-jun52-5418Research on key technologies for applied software development of coal industryZHAO Guo-zhi, LI Zhong-xue55-57,4119Research on support system for adjacent gateways in pressurized high gassy seamCHENG Wei, HE De-jiang, ZHANG Jin-jing58-6020Test and research on HGMS for desulphurization and deash of coalZHU Fu-hai, Zhu Shen-hong61-63,68 