1Experimental Research on Indicator Gas Spontaneous Combustion in Dongrong No. 1 Coal Mine based on Principal Component AnalysisDONG Shaopu, LIU Jian, LI Yanchang, BAI Xuesong, LIU QinghaiTest Research1-52Release Behavior and Kinetics of Mercury during Coal Gangue CombustionCAO Yanzhi, GUO Shaoqing, GAO Libing, WEI XianxianTest Research6-93Study on Dust Dispersion during Construction of Wet Spraying in Tunneling RoadwayZHOU Zhi, CHEN Lianjun, CUI Xiangfei, JIANG Xuekai, DONG Qizheng, CHEN JunTest Research10-144Simulation Study on Continuous Nitrogen Injection in Goaf based on COMSOL Dynamic ModelZHANG Jialing, DONG ZiwenTest Research15-19,245Research on Comprehensive Geophysical Exploration Technique Experimental for Permeability Enhanced Effect of Hydraulic FracturingYUAN YongbangTest Research20-246Study on the Effect of Compound Surfactant on Coal Dust WettabilityWANG Daohan, ZOU JialinTest Research25-28,337Experiment to Research the Mechanism of Underground Fire due to Polyurethane for MineXU Ye, DU Yunfeng, DU BinTest Research29-338The Exothermic Characteristic of Static Expansive Agent and Its Impact Analysis on Coal Spontaneous CombustionLI Jinshi, SHI BoboTest Research34-379Chemical Desulfurization and Mechanism of Complex High-sulfur Coal by Alkali TreatmentLIU Jia, CHEN Wenhui, LI Rang, SUN Rui, LI ShuaiTest Research38-41,4610Influence Analysis of Lateral Wind Speed and Spray Pressure on the Characteristic of Dust Removal SprayHUI ShuanglinTest Research42-4611Study on Stereoscopic Distribution Law of Spontaneous Combustion "Three-zone" in Goaf of Fully Mechanized Working Face with Large Mining HeightSHI ZhengfengTest Research47-50,5612Design and Experimental Study of Sampling Device for Volatile Particulate MatterLI Yucheng, LIU Rongzheng, HE Fei, LIU ZongtaoDevelopment Design51-5613Technology Research and System Design on Three-dimensional Simulation of Mine Ventilation NetworkLIANG Jun, ZHANG Qinghua, LI Mingjian, YAO YahuDevelopment Design57-60,6514Application of Roof Pre-cracking Technology in Gas Control in Initial Mining Stage on Working FaceSONG Yawei, YANG Shengqiang, ZHAO Tongyu, ZHOU BuzhuangApplication Technology61-6515Research on Detection Technology of Concealed Collapse Column in Ultra-wide Fully Mechanized Working FaceXING Xiuju, JIANG QipingApplication Technology66-6916Prediction of Coal and Gas Outburst based on Factor Analysis and BP Neural NetworkMA Shengxiang, LI XijianApplication Technology70-7417Application of Weak Gel Drilling Fluid System in CBM Horizontal WellsLI Bing, ZHANG Yongcheng, LI ZijianApplication Technology75-78,8318Process Technology and Design Research of Intelligent Mixing System for Low Concentration Gas based on S7-1200ZHANG QunApplication Technology79-8319Study on Application of Double Pre-split Drilling Hole Blasting in Coal Seam with High Content of Gas and Low PermeabilityLI LeiApplication Technology84-8720Prediction and Analysis of the Failure Rate of Mine Fan based on Cloud Model TheoryDAI Jianyong, WANG Bin, DENG XianhongApplication Technology88-91,97 