1Research and progress of coal mine green mining in 20 yearsXU JialinResearch and Prospect of Coal Mine Green Mining in 20 Years1-152Current status and prospect of coal mining technology under buildings, water bodies and railways,and above confined water in ChinaGUO Wenbing, MA Zhibao, BAI ErhuResearch and Prospect of Coal Mine Green Mining in 20 Years16-263Review and prospect of development of solid backfill technology in coal mineLIU Jiangong, WANG Hanqiu, ZHAO JiaweiResearch and Prospect of Coal Mine Green Mining in 20 Years27-384Review and development status of backfill coal mining technology in ChinaHU Bingnan, LIU Pengliang, CUI Feng, WANG HaoyuResearch and Prospect of Coal Mine Green Mining in 20 Years39-475Present situation and prospect of green backfill mining in minesSUN XikuiResearch and Prospect of Coal Mine Green Mining in 20 Years48-556Comprehensive treatment technology of ecological environment on surface and underground in Shendong Mining AreaYANG JunzheResearch and Prospect of Coal Mine Green Mining in 20 Years56-657Study on key technologies of collaborative mining in deep coal seam with high gas and low permeabilityZHANG JianguoResearch and Prospect of Coal Mine Green Mining in 20 Years66-748Study on calibration method for accurate calculation of water content in sandy soil in western ChinaWU Qunying, WANG Hongke, NI Jianyu, DU Yunfei, CUI FanResearch and Prospect of Coal Mine Green Mining in 20 Years75-809Analysis on technical points of water-preserving coal mining technical specificationsFAN Limin, MA Xiongde, WU Qunying, JIANG Zequan, CHI Baosuo, WANG Biqing, WANG Hongke, WU Boyun, SONG Fei, GUO LiangliangResearch and Prospect of Coal Mine Green Mining in 20 Years81-8710Water-reducing mining technology for fully-mechanized top-coal caving mining in thick coal seams under ultra-thick sandstone aquiferJIN Dewu, LIU Yingfeng, WANG TiantianResearch and Prospect of Coal Mine Green Mining in 20 Years88-9511Influence of water accumulation in closed mine on water prevention and control in adjacent production minesXU Yanchun, GAI Qiukai, HUANG Lei, YU Yunlei, SHEN Xingyu, PANG LongResearch and Prospect of Coal Mine Green Mining in 20 Years96-10112Progress of ecological remediation technology of mining-damaged aquiferJU Jinfeng, LI Quansheng, XU Jialin, CAO ZhiguoResearch and Prospect of Coal Mine Green Mining in 20 Years102-10813Hydrogeological characteristics and progress of water-preserving coal mining in Weibei CoalfieldMA Xiongde, YAN Ge, JI Ruijun, LI Yong, HE XuboResearch and Prospect of Coal Mine Green Mining in 20 Years109-11614Research on non-full pipeline flow transportation and prevention method of coal gangue cemented backfillHUANG Yucheng, DUAN Xiaobo, WANG Yumin, LUO Haotian, HAO YuxinResearch and Prospect of Coal Mine Green Mining in 20 Years117-12215Study on law of full-period mine pressure behavior of entry retaining method of self-contained entry without coal pillarCHI Baosuo, WANG Jianwen, LIU Hui, MING Can, LI ShenResearch and Prospect of Coal Mine Green Mining in 20 Years123-12916Research on ground control based on arch structure in unconsolidated layers theoryWANG Feng, CHEN Shaojie, XU Jialin, MA Bo, DING Xiyang, LIU ZunxinResearch and Prospect of Coal Mine Green Mining in 20 Years130-13817Mechanical model of rock strata continuous bending movement under non-uniform load in backfill miningSUN Yunjiang, XU Chengyi, ZUO Jianping, LI Mengmeng, SHI Yue, ZHOU YuboResearch and Prospect of Coal Mine Green Mining in 20 Years139-14518Analysis of gas adsorption and diffusion characteristics of coal particles in confined space and model adaptation differencesZHAO Wei, WANG Liang, CHEN Xiangjun, PAN RongkunResearch and Prospect of Coal Mine Green Mining in 20 Years146-15119Study on preparation of adsorption material ( nano FeS loaded on lignite) and its chromium removal performanceGUO Xuying, FU Saiou, DI Junzhen, DONG YanrongResearch and Prospect of Coal Mine Green Mining in 20 Years152-15920Experimental study on treatment of acid mine water in closed pit coal mine by dispersing alkaline matrix methodLI Xiangdong, CAI Jieying, FENG Qiyan, WANG FengliResearch and Prospect of Coal Mine Green Mining in 20 Years160-165