1Study on effect of geo-stress on coal permeability and its controlling mechanismLiu Dameng, Zhou Sandong, Cai Yidong, Yao YanbinPermeability Improvement Technology for Low Permeability Coal Reservoir1-8,232Experimental study on physical simulation experiment of hydraulic fracturing dynamic evolution in coal and rock massXu Jiang, Ma Tianyu, Peng Shoujian, Feng Dan, Zhang Chaolin, Wu XuefengPermeability Improvement Technology for Low Permeability Coal Reservoir9-16,423Permeability characteristics of deep coal seam and pressure relief technologies of the key first mined coal seamWang Liang, Chen Dapeng, Guo Pinkun, Zhang RuiPermeability Improvement Technology for Low Permeability Coal Reservoir17-234Experimental study on evolution of pore structure in coal after cyclic cryogenic fracturingZhai Cheng, Sun YongPermeability Improvement Technology for Low Permeability Coal Reservoir24-295Contrast test study on fracturing anthracite and coking coal by liquid nitrogen coolingZhang Chunhui, Liu Pansen, Wang Xizhao, Yu Yongjiang, Guo Xiaokang, Wang LaiguiPermeability Improvement Technology for Low Permeability Coal Reservoir30-34,496Application and prospects on fracturing and permeability improved technology of mine low permeability seamLi Shouguo, Jiang Wenzhong, Jia Baoshan, Nie RongshanPermeability Improvement Technology for Low Permeability Coal Reservoir35-427Study on comprehensive outburst elimination effect of hydraulic measures applied to coal massChen Xiangjun, Du Yunfei, Li LiyangPermeability Improvement Technology for Low Permeability Coal Reservoir43-498Comparison analysis on permeability improved effect of single and multi section hydraulic fracturing in deep depth seamZhang Chunhua, Zhang Yongzhi, Li Jiangtao, Li TengdaPermeability Improvement Technology for Low Permeability Coal Reservoir50-54,1759Study on physical simulation experiment of hydraulic borehole flushing and pressure released and permeability improved effectTao Yunqi, Feng Dan, Ma Geng, Xu Jiang, Peng ShoujianPermeability Improvement Technology for Low Permeability Coal Reservoir55-6010Microseisms detection and application of high-level gas enrichment region in overlying strata of goaf under low-permeability coal seamLi Shugang, Cheng Xiaoyu, Liu Chao, Zhao PengxiangPermeability Improvement Technology for Low Permeability Coal Reservoir61-6611Gas control of low gas permeability seam based on deep borehole fracturing and permeability improved technology with carbon dioxideHe ChaoPermeability Improvement Technology for Low Permeability Coal Reservoir67-7212Status and prospects of coalbed methane reservoir fracturingLu Yanjun, Yang Zhaozhong, Shelepov V.V., Han Jinxuan, Li Xiaogang, Han WeiPermeability Improvement Technology for Low Permeability Coal Reservoir73-8413Analysis and applied study on key factors of coal and rock crack network reconstructionLiu Xiao, Zhang Fan, Ma Geng, Su XianboPermeability Improvement Technology for Low Permeability Coal Reservoir85-89,16914Research and development on thickener for fracturing fluid prepared by coalbed methane flowback water and applicationGuan Baoshan, Liu Yuting, Liang Li, Wang LingPermeability Improvement Technology for Low Permeability Coal Reservoir90-9415Research on occurrence laws of shock bump in horst fault zone of working faceChen Xuehua, Lyu Pengfei, Ruan HangMining and Underground Engineering95-99,10416Study on influence of initial crack dip angle on damage-fractured characteristics of rockWang Guoyan, Yu Guangming, Gao Liyan, Li GangMining and Underground Engineering100-10417Influence of coal cutting height on top-coal caving and drawing characteristics and rib spallingPang YihuiMining and Underground Engineering105-11118Study on water inrush prediction and floor failure factors analysis in pressurized coal miningDu Weisheng, Jiang Yaodong, Gao LintaoMining and Underground Engineering112-117,13019Plastic zone evolution law and enhanced support technology of surrounding rock in gateway retained along goaf with double gateway layoutLi Yongen, Hao Zhen, Li Bo, Huo Tianhong, Zhang HongMining and Underground Engineering118-12320Application and study on technology of fully-mechanized top coal caving mining face passing through mine abandoned roadwayHe Xiangning, Chen Yong, Qing ZhengyuanMining and Underground Engineering124-130 