Study on adsorption characteristics and fractal properties of nano-scale pores at low temperature coal
ZHANG Yugui;JIAO Yinqiu;LEI Dongji;LI Yukui;MA Zhihao;School of Safety Science and Engineering;Henan Polytechnic University;

..............page:141-148

Study on difference of drainage radius comparsion crossing hole with bedding hole
YANG Hongmin;LIU Guanpeng;LIU Jun;School of Safety Science and Engineering;Henan Polytechnic University;Key Laboratory of Gas Geology and Gas Control;Henan Polytechnic University;

..............page:149-155

Research process and prospect of determination methods of gas extraction effective radius of hole drilled along seam
HAN Ying;ZHU Linjian;ZHANG Feiyan;Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region;School of Energy Science and Engineering;Henan Polytechnic University;State Key Laboratory Cultivation Base for Gas Geology and Gas Control;Henan Polytechnic University;School of Safety Science and Engineering;Henan Polytechnic University;

..............page:156-161

Aperture determination and application effect analysis of bedding long boreholes along coal seam for gas pre-drainage
HUANG Zhanfeng;WAN Xiangyun;KONG Liuan;School of Municiple and Environment Engineering;Henan University of Urban Construction;School of Resourcs and Safety Engineering;China University of Mining and Technology;

..............page:162-166

Research on identification methods of gas flow in coal seam
SONG Jinxing;School of Energy Science and Engineering;Henan Polytechnic University;

..............page:167-172

Experimental study on the couplants effect on test of coal samples ultrasonic
WANG Yungang;JU Guanggang;CHEN Bingbing;LI Meng;School of Safety and Engineering;Henan Polytechnic University;State Key Laboratory Cultivation Base for Gas Geology and Gas control;Henan Polytechnic University;China coal Technology Engineering Groap Chongqing Redearch Institule;Chongqing Vocational Institute of Safety & Technology;

..............page:173-177

Research on the influence of natural fractures on hydraulic fractures propagation in coal and rock mass
MA Geng;ZHANG Fan;LIU Xiao;FENG Dan;School of Energy Science and Engineering;Henan Polytechnic University;Research Institute of Henan Energy Resource and Chemical Industry Group Co.;Ltd.;Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region;State Key Laboratory for Coal Mine Disaster Dynamics and Control;Chongqing University;

..............page:178-182+201

Control analysis and instability evolution of surrounding rock in multiple dynamic tunnel
XIN Yajun;JI Hongying;CHENG Shijiang;XUE Yongsheng;School of Energy Science and Engineering;Henan Polytechnic University;Collaborative Innovation Center of Coal Work Safety;School of Resource and Environment;Henan Polytechnic University;Mining Engineering Institute;Inner Mongolia University of Science and Technology;Wuhushan Mine;Shenhua Wuhai Coal Group Corporation Limited;

..............page:183-189

Discovery and its characteristics of pyrophyllite in the bedded siliceous rocks of the Taiyuan formation in Jiaozuo area
CAO Gaoshe;DU Zhong;XU Guangming;ZHANG Song;School of Resources and Environment;Henan Polytechnic University;Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region;

..............page:190-193

Characteristics of the intertidal food web based on trace fossils in Mantou formation of Cambrian
LI Da;QI Yongan;DAI Mingyue;WANG Min;School of Resource and Environment;Henan Polytechnic University;Key Laboratory of Biogenic Traces and Sedimentary Minerais of Henan Province;

..............page:194-201

Mine water inrush prediction based on phase space reconstruction and support vector machines
HUANG Cunhan;CHEN Kuikui;LI Zhenhua;LI Xiaojun;School of Resources and Environment;Henan Polytechnic University;School of Energy Science and Engineering;Henan Polytechnic University;

..............page:202-205+211

Cause analysis of central transport roadway coal seam water gushing and H₂S escape in Ningtiaota coal mine
REN Haixiang;HE Weizhong;ZHANG Tinghui;Key Laboratory of Coal Resources Exploration and Comprehensive Utilization;Ministry of Land and Resources;Shaanxi Coalfield Geology Prospecting Research Institute;Shaanxi Geo-Environment Monitoring Station;Shaanxi Tiandi Geology Co.;Ltd.;

..............page:206-211

Research on uncertain language group evaluation of map quality based on Vague set
Hu Shengwu;Fan Yin;YE Xianfeng;School of Surveying and Land Information Engineering;Henan Polytechnic University;Energy Engineering College;Xiangtan University;

..............page:212-217

Experiment research of similar material simulation measurement based on point-site error
ZHANG Hebing;LI Chunyi;School of Surveying and Landing Information Engineering;Henan Polytechnic University;

..............page:218-223

Fault diagnosis research of asynchronous motor rotor broken bar
JING Shuangxi;ZHAO Xingyu;GUO Songtao;WANG Zhiyang;School of Mechanical and Power Engineering;Henan Polytechnic University;School of Electrical Engineering and Automation;Henan Polytechnic University;

..............page:224-229

Research on the cutting force and tool wear of zirconia ceramics under ultrasonic vibration assisted diamond fly cutting
YAN Yanyan;WANG Qi;Zhao Bo;School of Mechanical and Power Engineering;Henan Polytechnic University;

..............page:230-235

Disturbance input estimation for a class of switched systems based on reduced-order switched observer
CHEN Yantao;ZHU Xiaoli;YUE Hengmao;School of Electrical Engineering and Automation;Henan Polytechnic University;Department of Mechanical and Electrical Engineering;Jiyuan Vocational and Technical College;

..............page:236-241

Mine power cables PD signal denoising method based on fusing blind equalization and morphology
MA Xinghe;MA Li;ZHOU Tao;WANG Xudong;School of Electrical Engineering and Automation;Henan Polytechnic University;Energy and Chemical Institute;China Pingmei Shenma Group;

..............page:242-247

A method of parameter optimization based on partition entropy in FCCM algorithm
LIU Yongli;FU Lili;School of Computer Science and Technology;Henan Polytechnic University;

..............page:248-253+273

Design of flight data signal generator module circuit
ZHAO Yanru;WANG Dongsheng;WANG Geng;LI Changyou;School of Mechanical and Power Engineering;Henan Polytechnic University;

..............page:254-261

Selection method of dimension tolerance and fit for continuous isometric polygon profile connection
ZHOU Aiping;YANG Dongfang;WANG Desheng;School Resources and Environment;Henan Polytechnic University;Huanghe Jiaotong University;School of Mechanical and Power Engineering;Henan Polytechnic University;

..............page:262-266

Study on mechanical properties of soil and structure interface from direct shear and simple shear
GUO Jiaqi;ZHAO Xiucheng;XU Zilong;LIU Xiliang;School of Civil Engineering;Henan Polytechnic University;Opening Laboratory for Deep Mine Construction;Henan Polytechnic University;

..............page:267-273

The experimental study on the properties of the cement grout in different temperature
FAN Lidan;HU Biao;SHAO Hongchao;Opening Laboratory for Deep Mine Construction;Henan Polytechnic University;School of Civil Engineering;Henan Polytechnic University;

..............page:274-280

Study the Υ(1S) →B_cP,B_cV weak decays
YANG Yueling;CHEN Lili;GUO Yan;GAO Wandong;HUANG Jinshu;College of Physics and Electronic Engineering;Henan Normal University;College of Physics and Electronic Engineering;Nanyang Normal University;

..............page:281-284

Optimal reinsurance strategy under Hamilton-Jacobi-Bellman equation
CAO Yusong;College of Computer Science and Technology;Xuchang University;

..............page:285-288