1Localization techniques of mobile objects in coal mines:challenges, solutions and trendsHU Qing-song, ZHANG Shen, WU Li-xin, DING En-jie1059-10682Elastic analysis and design of circular horizontal frozen wall based on interaction between frozen wall and surrounding rockYANG Ren-shu, WANG Qian-xing1069-10773Acoustic emission ground stress field testing and mechanism of deformation and instability in deep soft rock roadway1078-10864Research on monitoring technique and evolution law of the disturbance stress in Chensilou CollieryZHOU Gang, LI Yu-shou, ZHANG Qiang, ZOU Chang-lei, WANG Chao, YIN Xiong, FAN Fo-you1087-10925Mechanism and control measures of rockburst in Huating Coal MineLI Tie, ZHANG Shan-lin, LI Shou-feng, WANG Ping1093-10986Experimental study on rock burst induced by dynamic loadLIU Dong-qiao, HE Man-chao, WANG Cheng-chao, WANG Jiong, YANG Jun, WANG Yang1099-11057Field measurement study of the relation between mining pressure and axial boltloadCHEN Yan-long, ZHANG Hou-quan, WU Yu, ZHANG Gui-min, ZHANG Li-qiang1106-11108Gob side entry failure mechanism and control of bolt-grouting in three soft coal seam1111-11199Experimental research on axial force quantitative loss law of anchor bolt in blasting in high impact danger roadwayLIU Shao-hong, PAN Jun-feng, MAO De-bing, WANG Shu-wen, PAN Li-ming1120-112810Permeability characteristics of broken sandstone and its stability analysis under step loadingZHANG Tian-jun, SHANG Hong-bo, LI Shu-gang, REN Jin-hu, BAO Ruo-yu, ZHANG Lei1129-113611Aging features and mechanism of Granite's damage under the action of acidic chemical solutionsMIAO Sheng-jun, CAI Mei-feng, JI Dong, GUO Qi-feng, BAI Yu-bing1137-114412A physical simulation experiment on fracture propagation of coal petrography in hydraulic fracturingSHI Xin-yu, WEN Guo-jun, BAI Jiang-hao, XU Xin-jian1145-115113Simulation of gas seepage in heterogeneous coal seam by SPH methodCHENG Guo-qiang, ZHAO Fang, SHANG Yong-hui, Tan Yun-liang1152-115714Experimental for the influence of THF on the hydrate separation effect of high concentration CH4 gasWU Qiang, WANG Shi-hai, ZHANG Bao-yong, LIU Chang-ling, GAO Xia1158-116315Micro-characteristics of spontaneous combustion of second oxidation with different rank coalsDENG Jun, ZHAO Jing-yu, ZHANG Yan-ni, WANG Cai-ping1164-117216Experimental selection of low-temperature gel breaker for HPG fracturing fluid in CBM wellsNI Xiao-ming, Yu Yun-yun, HE Jing-zhao1173-117917Geochemical characteristics and its origin of CBM in Gujiao blocksWANG Gang, QIN Yong, XIE Yi-wei, SHEN Jian, HUANG Bo1180-118718Experimental study on the brittle characteristics of Longmaxi formation shaleHOU Zhen-kun, YANG Chun-he, WEI Xiang, WANG Lei, WEI Yuan-long, XU Feng, WANG Hu1188-119619Characteristics of coal Raman spectrumSU Xian-bo, SI Qing, SONG Jin-xing1197-120220Study on 2D/3C wave propagation in two-phase anisotropic media using the rotated staggered-grid methodLIN Peng, PENG Su-ping, LU Yong-xu, WANG Pan1203-1211 