1Thickness measurement and distribution law of loose rings of surrounding rock in large cross section semicircle arch seam gatewaySun Xikui, Chang Qingliang, Shi Xianyuan, Li XiangyangMining and Underground Engineering1-62Study on mine strata behavior law of fully-mechanized top coal caving mining in contiguous coal seamsWang Hongsheng, Zhang Hongwei, Chen Chao, Zhu ZhijieMining and Underground Engineering7-11,233Research and application of key technology to deep mine gob-side entry retainingLi AijunMining and Underground Engineering12-174Study on formation mechanism of arch shell large structure of overburden in coal mining face with multi layer hard roofHuo Bingjie, Yu Bin, Zhang Hongwei, Lu YangboMining and Underground Engineering18-235Comprehensive bolt and grouting control technology of mine roadway floor heave with new type grouting materialLiu Xufeng, Xiong Zuqiang, Liu Chengwei, Wang Cheng, Xiong ZhipengMining and Underground Engineering24-29,356Selection design and outlook on advanced hydraulic powered support of gateway in fully-mechanized coal mining faceGuo JishengMining and Underground Engineering30-357Study on classification of surrounding rock quality in mine shaft and roadway based on Fisher discrimination analysisZhang Zizhao, Chen Kai, Cheng Wenyu, Liu Jun, Tian ZhongfengMining and Underground Engineering36-418Remote control technology of high wall mining retained coal resources in surface mineHao Jianping, Zhang Zhenglin, Liu Jianguo, Zhang Cun, Wang FangtianMining and Underground Engineering42-469Stress field distribution of stope floor over confined water and failure mechanism of aquifugeShi Haoyu, Shi Jianjun, Tian Duo, Xu HaitaoMining and Underground Engineering47-50,7210Research on hydraulic supports withdrawing technique in fully-mechanized mining face with sublevel caving with extra-thick coal seamYang Yuliang, Xu Zhuhe, Li YongmingMining and Underground Engineering51-5511Analysis on energy absorption and impact prevention features of hexagonal thin-wall component under radial compressionTang Zhi, Pan Yishan, Zhu Xiaojing, Cui NaixinMining and Underground Engineering56-6112Experimental study on waveguide features of resin anchoring massFan Kesong, Shen Baohong, Zhang FengdaMining and Underground Engineering62-6713Study on simulation optimization of gas drainage system based on mine ventilation network feature mapZhou Xihua, Dong Qiang, Xu Lina, Li Ang, Song Dongping, Bai GangSafety Technology and Engineering68-7214Study on morphology features of hydraulic flushing hole based on ore drawing theoryMa Geng, Liu Xiao, Li FengSafety Technology and Engineering73-7715Study on gas drainage technology with high level borehole in contiguous soft coal seams groupFu Shuai, Lyu Pingyang, Wang Jiajian, Li Jinquan, Mao GuoliSafety Technology and Engineering78-8116Study on gas content critical value of outburst predicted index in outburst seam regionZhang Yuzhu, Lyu Guichun, Liu HuihuiSafety Technology and Engineering82-8717Gas pressure growth curve method applied to measurement of seam gas pressureGuo Keju, Gao KunSafety Technology and Engineering88-9218Coalbed methane migration law of No.13 Mine in Pingdingshan Mining Area under tectonic controlLiu YongqianSafety Technology and Engineering93-9719Carbon monoxide adsorption and desorption features of medium and low rank coalXiao Cangyan, Wei Chongtao, Guo LiwenSafety Technology and Engineering98-10220Pore structure and fractal features of sapropeliteXi Zhaodong, Tang Shuheng, Zhang Songhang, Li JunSafety Technology and Engineering103-109