1Numerical simulation of rationalization of the angle between horizontal crossing roadwaysREN Jiandong, LI Xiaobai, WANG Wen1-92Study of the influence of equilibrium states on results of rock bolt pull-out numerical simulationDU Xueling10-173Experimental study on infrared radiation characteristics of roadway heading face fracture under different water cut conditionsREN Ruifeng, LIANG Peng, SUN Lin, TIAN Baozhu, YAO Xulong, LIU Xiangxin18-254Discrete fracture network model and numerical simulation of bedrock gas reservoirs considering stress sensitivityLIU Yong, FU Ying, FENG Xinyuan, REN Guangcong, CHEN Ming, ZHANG Chengjuan26-335Deformation analysis and control of surrounding rock of deep soft rock roadwayZHANG Wenlong, FAN Lidan34-396Carbon and oxygen isotopes characteristics of dolomite from Cambrian-Ordovician Sanshanzi formation in the western margin of the Qinshui basin and its significanceGUO Xiaoqiang, LI Haobin, WEI Rongzhu, DONG Aiguan, YANG Juncai, DU Yanwei40-507Experimental analysis on gas-bearing characteristics detection of shallow gas-rich soil layer in coastal area based on resistivity methodCHEN Yu, GUO Liquan, ZHANG Pingsong, OU Yuanchao, FU Ming51-588Quaternion transformation method from orbital coordinate system to astral fixed coordinate systemLI Mengmeng, WANG Qianxin, LI Huaizhan, RAO Pengwen59-659Monitoring of Xi' an city land subsidence based on SBAS-InSARRAN Peilian, LI Shaoda, YANG Xiaoxia, DAI Keren, GOU Jisong66-7410Optimization preparation of waste from iron modified lentinus edodes and its adsorption for slight arsenic contaminated waterDENG Tiantian, LI Hansheng, GUO Zhenzhen, JIANG Peiwen, CHEN Na, DING Minghui75-8411Study on inductor position detection method for high frequency induction brazing based on machine visionZHAO Junwei, SONG Jindian, DAI Jun, HUANG Junjie, CHEN Guoqiang85-9112Tooth surface point deviation calculation of involute helical gear and 3D tooth surface deviation evaluationZHANG Dengpan, WANG Liyang, ZHANG Hongliang, LIU Ruitao, WANG Yu, YAO Xinjing92-9913Experimental study on water flow and heat transfer characteristics in microchannel with grooves in sidewallsZHU Qifeng, CHANG Kunpeng, XUE Dongdong, LI Haixia, WAN Jianfeng, ZHANG Anchao100-10514Study on the electric spring based on repetitive controlZHENG Zheng, ZHANG Xi, ZHANG Tao, WANG Yongshuai, GAO Weixing106-11215SINS/GPS/PDR indoor and outdoor seamless navigation and positioning algorithmZHANG Peng, WANG Shusen, LI Mengwei113-11916Study on a closed-loop hydraulic energy recovery systemSUN Gang, HU Wanqiang, WEI Shiqian120-12617Decision tree construction algorithm based on attribute dispersion and feature measurementWANG Lei, LIU Yu, LIU Zhizhong, QI Junyan127-13318Grid extraction of railway guardrail based on multi-feature fusionLAN Zhimin, LIANG Liming, SHENG Xiaoqi, LI Fuquan, WU jian134-14119Approximate analytical solution to strain problem of the layered foundation based on the Rayleigh-Ritz methodZHU Guichun, ZHANG Wenchao, CHEN Sheng142-14820Numerical simulation of axial compressive performances of square CFST short columns constrained by bars through the perforated stiffenerZHENG Xinzhi, GUO Haozhen, SUN Yutao149-155