1Scheme design of double-lane strip method for coal mining in irregular areaSHEN Bin-xue, ZHU Lei, ZHANG Xin-fu, GU Wen-zhe, HUANG Jian-binDesign Technology1-52Optimization of gangue discharge system in district station and crossheading tunnelingCHEN Ben-liang, WANG Kai-yuanDesign Technology6-103Optimization of mining area steering scheme in Shengli No.1 Open-pit Coal MineSUN Jun-dongDesign Technology11-154Treatment and recycling process of mine water in Bailongshan Coal Mine in Eastern YunnanLI Ya-juan, YU Yao-hong, LU Jian, HU Da-long, YANG YangDesign Technology16-195Ecological flood control planning for mining areas on the Loess PlateauGAO Zhi-wei, YAO Qing-bao, DONG Zhao-huiDesign Technology20-256Discussion on application of Design Standard for Heating, Ventilation and Air Conditioning in Coal IndustryWANG JingDesign Technology26-297Reasonable width of coal pillar and roadway support in gob side entry of fully mechanized top coal caving in extra thick coal seamHE Fu-lian, LU Heng, QIN Bin-bin, SONG Jia-yu, WANG Bao-qiangConstruction Technology30-358Stability control of "small" structure in gob-side entry retainingYANG Ji-xianConstruction Technology36-419Integrated control technology of roof cutting, bolting and grouting along gob-side entry retained within the lower seam of deep and close distance coal seamsQI Hong-xia, HE Kang, HE Xiang-qian, YANG Shun-chao, ZHANG YuanConstruction Technology42-4610Optimization of compound supporting in large-deformation coal roadway under secondary disturbanceXUE Yan-pingConstruction Technology47-5111Application of hydraulic pre-cracking on dirt band of fully mechanized working face in Xiaobaodang Coal MineYANG Zheng, LI An-ningProduction Technology52-5512Rock burst prevention technology for measure roadway under overlying coal-rock pillars in extra-thick coal seamHE Hai-quan, SUN Zhen-yu, HE Jiang, CHEN Tong-sheng, CHAI Yan-jiangProduction Technology56-6013Combined permeability-enhancing technology of ultra-high pressure hydraulic cutting and CO2 phase change crackingQIN Jiang-tao, CHEN Jing, XIE Wen-bo, ZHANG Cong-guoProduction Technology61-6514Study on height of water-conducting fissure zone in working face of shallow thick coal seamWANG Zi-shengProduction Technology66-7015Research and application of collaborative rapid retraction of supports under full section shieldingZHAO Jia-xin, WANG Xiang-yu, LI Chong, WANG Guang-hui, WANG Bing-sheng, DONG Li-huaProduction Technology71-7516Quantitative features of roof caving and filling in steep coal seam and analysis on the sub-regional fracturing of overburdenHAN Cheng-hong, KONG De-zhong, XIONG Yu, CHEN Hao-yiResearch and Discussion76-8217Influence of caving angle on the law of coal drawing in fully mechanized top coal cavingYANG Da-peng, LI Xin-yuan, GUO Yu, PAN Wei-dong, WU Ren-lunResearch and Discussion83-8818Frequency conversion control strategy of dual motor drive for scraper conveyorHE Hu-cheng, WANG Cheng, SHI Lei, ZHANG Chen-yangResearch and Discussion89-9419Principle and method of mine steel wire rope flaw detection based on magnetic flux detectionTIAN Jie, WANG Yang-yang, GUO Hong-fei, ZHAO Cai-yueResearch and Discussion95-10020Research status and development trend of coal fire monitoring and controlWEN Hu, TIAN Qing, ZHAO Xiang-tao, WANG Wei-fengResearch and Discussion101-106 