1Recent advances and thinking in process intensification of low quality coal slime flotationGUI Xiahui, XING Yaowen, CAO Yijun, LIU Jiongtian前插1-前插2,2715-27322Influence of frother dosage on the interaction between low rank coal particles and bubblesLIU Wenli, SUN Xiaopeng, ZHUO Qiming, LUO Qing, WANG Penghui, ZHANG Gengyuan2733-27393Ultrasonic standing waves on flotation bubblesWANG Weidong, JIN Lizhang, TU Yanan, LIU Dinghua, XU Zhiqiang2740-27454Humic acid magnetic nanoparticles for the selective removal of Pb2+and Hg2+ in waterWAN Keji, FAN Jinjin, WANG Guoqiang, XU Enle, HE Qiongqiong, MIAO Zhenyong, ZHANG Mingliang2746-27545Fluidization characteristics and separation and quality improvement of low-quality fine coal in a magnetically stabilized gas-solid fluidized bedZHANG Bo, SONG Shulei, ZHANG Yadong, ZHAO Pengfei, GAO Tianyang, ZHAO Yuemin2755-27666Mechanism of enhancing low rank coal flotation using nanoparticles as a novel collectorLIAO Yinfei, REN Hourui, AN Maoyan, ZHAO Yifan, HAO Xiaodong2767-27757Model construction and molecular dynamics simulation of coal group component skeleton structureLIAN Lulu, QIN Zhihong, LI Chunsheng, YANG Xiaoqin, LIN Zhe2776-27928Influence law of slime coating on coal floatabilityLIANG Long, LI Qiang, HU Pengfei, XIE Guangyuan2793-28039Distribution characteristics and differences of oxygen-containing functional groups in macerals of low rank coalHE Xin, WANG Wenfeng, ZHANG Xinxi, YANG Yitao, SUN Hao2804-281210Dynamic models of dense medium coal preparation using sensitivity analysis and reinforcement prey-predator optimizationWANG Guanghui, PENG Yong, DAI Wei, DONG Liang, MA Xiaoping2813-282311Exploration on the method of ore deposit-geothermal energy synergetic mining in deep backfill minesZHANG Bo, XUE Panyuan, LIU Lang, HUAN Chao, WANG Mei, ZHAO Yujiao, QIN Xuebin, YANG Qixing2824-283712Formation mechanism and engineering application of the directionality of butterfly leaf in the butterfly plastic zone of roadway rock surroundedLI Ji, QIANG Xubo, MA Nianjie, ZHANG Rongguang, LI Bo2838-285213Self-forming roadway of roof cutting and surrounding rock control technology under thick and hard basic roofGUO Jingang, LI Yaohui, SHI Songhao, JIANG Zaisheng, CHEN Dongdong, HE Fulian, XIE Shengrong2853-286414Investigation on confining-pressure effect of coal mass containing orthogonal fractures based on synthetic rock mass approachWANG Xiaoqing, KANG Hongpu, GAO Fuqiang2865-287315Analysis the evolution of friction coefficient of sandstone joint during sliding processWANG Laigui, ZHAO Guochao, LIU Xiangfeng, ZHAO Na, LI Xilin2874-288216Overburden movement and failure law of coalface in end slope and the slope stability control methodDING Xinpin, LI Fengming, FU Tianguang, LI Lei2883-289417Investigation on the macro-meso shear mechanical properties of soft-hard interbedded rock discontinuityLIU Xinrong, XU Bin, ZHOU Xiaohan, YI Li, ZENG Xi, WANG Jiwen2895-290918Direct shear and acoustic emission characteristics of sandy mudstone under the effect of moisture contentYAO Qiangling, WANG Weinan, YANG Shuyi, FANG Jie, ZHOU Baojing2910-292219Friction stability and permeability response of shale fractures during shear slipJIA Yunzhong, LU Zhaohui, TANG Jiren, LI Dahua, HE Pei2923-293220Main occurrence form of methane in coal:Micropore fillingCHENG Yuanping, HU Biao2933-2948 