1Mutual influence between floor rock roadway and coal roadway in different strata for deep miningZHANG Jianguo, ZHAI Cheng, TANG WeiDesign Technology1-62Transformation and optimization design of mining auxiliary transportation system for gently inclined coal seam groupGUO Zhenliang, LI ShufengDesign Technology7-113Research on the storage-extraction integrated system of thermal energy in deep minesZHANG Ruiying, SU Wei, LIU Qi, LI Yanpeng, YANG Liang, FENG XuDesign Technology12-184Research on the working slope steep slope mining plan of Hongshaquan Open-pit MineLI Siwei, MA Ning, MA Li, LI Mengbo, GUO HongbaoDesign Technology19-245Quantitative prediction of unorganized particulate matter for open-pit coal mining in Gobi regionLIU ZichenDesign Technology25-316Solving and calculating the volume of concrete fill material in the silos of coal preparation plantsDUAN YuanyuanDesign Technology32-377Grouting modification and surrounding rock control technology for water-rich sandy layer at large section inclinesLI Zenglin, ZHANG Dongsheng, WANG Rui, XU Guangzheng, NIU Hongbo, WANG Lu, XIE YongConstruction Technology38-468Mine pressure law of self-forming roadways by roof cutting in semi-coal rock roadways of extremely thin coal seamsHE Bingwei, ZHAO Yun, WANG BoConstruction Technology47-529Long distance directional drilling technology in Shendong Mining AreaLI Ruiqun, GUO MingxuConstruction Technology53-5810Rock burst prevention technology for hydraulic fracturing on thick and hard roof surfaceWANG Fei, MA Wentao, KANG Xiaotao, JIAO Wei, SHANG Nan, MA Jiangpeng, MA HongyuanConstruction Technology59-6411Optimal graphic analysis of connecting quadrilateral method for vertical shaft orientation in underground engineeringZHENG Jiarong, ZHANG Lili, YU Jing, ZHANG Shengli, ZHENG Kuo, GUI Weizhen, ZHENG Jungang, ZHAO XiaopingConstruction Technology65-6812Key technical parameters for roof cutting retained roadways in medium-thick coal seams with hard roofMA Yue, CHEN Shengyan, GONG Chenyao, LIU XingyuProduction Technology69-7713Deformation control technology for gangue slope of roof cutting retained roadways at high mining height fully mechanized faceSUN Chuang, LIU YipengProduction Technology78-8514Key control technology of double-layer holes for high confined aquifer outburstWU YanjunProduction Technology86-9215Water inflow prediction Baorixile Open-pit MineSHI Bingxing, SHEN Yi, SHI Guang, WANG Changjian, WANG Haitang, WANG Xiaolei, CAO ZhiguoProduction Technology93-9816Design and application of a new type local refrigeration equipment for deep mineLI Yanhe, YU Zhenzi, ZHAO Wanli, CHEN Peisheng, ZHAO HangProduction Technology99-10417Intelligent control strategy and method of underground water supply network in coal mineZHAO Anxin, LIU Ding, CHENG HuaProduction Technology105-11118Research and application of power quality on-line monitoring system for underground coal mine based on ICVMZHAO YonghongProduction Technology112-11719Numerical simulation on enhancing the stability of coal pillars on the goaf side by applying slurry casing pipesZHANG Wen, LI Peng, WANG Yongguo, LI Yueyue, LIU Jianguo, LI Shanglong, XIE Chunlong, LI JianboResearch and Discussion118-12320Characteristics of overlying rock migration and law of rock pressure behaviors at filling working facesHAN Fei, CHEN Yang, ZHOU Fale, ZHANG Lili, CUI Feifei, LIU ChuanchengResearch and Discussion124-131