Gas drainage technique by 1000 m long and large diameter roof boreholes in high gas coal seam group
ZHAO Yao-jiang1;4;XIE Sheng-rong2;WEN Bai-gen3;GUO Hai-dong4;YUAN Sheng-jun4;Beijing 100083;China;2.College of Civil and Environmental Engineering;University of Science and Technology Beijing;Beijing 100083;China;3.Huajin Coking Coal Co.Ltd.;Lishi 033315;China;4.College of Mining Engineering;Taiyuan University of Technology;Taiyuan 030024;China)

..............page:797-801

The effect of temperature on the adsorbing capability of coal
ZHANG Tian-jun1;XU Hong-jie1;LI Shu-gang2;REN Shu-Xin1

..............page:802-805

Experiment on surface potential of coal under uniaxial compression
LI Yan-na;WANG En-yuan;ZHAO En-lai

..............page:806-809

Evaluation and selection on mine ventilation system based on unascertained set
LIU Zheng-wei1;2;WANG Li-jie2;Beijing 100083;China)

..............page:810-813

Comparation on abundance of rare earth elements in Huainan coals and their combustion products
LIU Wen-zhong;CHEN Ping;CHEN Jian;KONG Wei-hui

..............page:814-818

Adsorption of heavy metal Cu²⁺,Zn²⁺ and Cd²⁺ in Na-bentonite
YANG Xiu-min1;2;HU Zhen-qi1;LI Ning1;YANG Xiu-hong1;2;ZHANG Ying-chun3;Beijing 100083;China;2.School of Resource and Environment Engineering;Heilongjiang Institute of Science and Technology;Harbin 150027;China;3.School of Materials Science and Engineering;University of Science and Technology Beijing;Beijing 100083;China)

..............page:819-822

Study of flotation column gas holdup and influence factors to slurry separation
ZHANG Min1;2;LIU Jiong-tian2;ZHANG Jian-qiang3

..............page:823-826

Treatment of the mine water contained surfactant
TIAN Zhao-jun1;2;WANG De-ming1;REN Wan-xing1;XU Yong-liang1;ZHONG Xiao-xing1

..............page:827-831

The action regularity between complex filtrate aid and oxygen on coal surface
SUN Dong;FAN Min-qiang;LI Zhi-hong

..............page:832-835

Study on the performance criteria for coal mechanical sampler
SUN Gang

..............page:836-839

Load problems of working mechanism of the shearer in containing pyrites and thin coal seam
ZHAO Li-juan;DONG Meng-meng

..............page:840-844

The both-side-revolve broken belt catching machine
ZHANG Xi;QI Yue;JIA Qiang;Beijing 100083;China)

..............page:845-848

Force-control type proportional solenoid with low power consumption
LI Yong;DING Fan;SHAO Sen-yin;CHEN Xing-da

..............page:849-852

Study on rotor load of vertical shaft impact crusher based on ADAMS
ZHANG Jun-ming;ZHAO Fang

..............page:853-856

Relationship between behavior and safety performance
ZHANG Jiang-shi;FU Gui;WANG Xiang-yao;AN Yu;Beijing 100083;China)

..............page:857-860

Cooperation game problem of state-owned coal enterprise in co-governance reform
WANG Ying1;ZHANG Li-quan2;LI Qian1;Beijing 100083;China;2.Economy and Information Research Institute;China Coal Research Institute;Beijing 100013;China)

..............page:861-864

2009 nian mei tan xue bao zheng ding qi shi

..............page:730

mei tan xue bao zheng gao jian ze

..............page:865

500 wan t qian bei dian mei ji di kai gong jian she

..............page:736

dong li mei jia ge jiang ping wen yun xing

..............page:765

zuo zhou mei ye qian shou 784 wan t mei tan

..............page:801

mei yi yuan li cu mei zheng fu bo kuan zhi chi mei zhong neng yuan he zuo yan fa

..............page:831

guo jia jin nian jiang tou zi 7.3 yi yuan zai xin jiang kan tan diao cha di zhi kuang chan

..............page:844

shen hua ji tuan mei hua gong ji di zong tou zi chao guo 4000 yi yuan

..............page:848

Devastating laws of overlying strata with fissure under high hydraulic pressure
KANG Yong-hua1;ZHAO Kai-quan2;LIU Zhi-guo1;TAN Shuang-ying3;ZHANG Yu-jun1;YI De-li3;ZHANG Gang-yan1;LI Lei1

..............page:721-725

Feasibility on the upward mining of the left-over coal above goaf with pillar supporting method
FENG Guo-rui1;ZHANG Xu-yan1;LI Jian-jun2;YANG Shuang-suo1;KANG Li-xun1

..............page:726-730

Forecast of destroyed floor depth based on BP neural networks
YU Xiao-ge1;HAN Jin1;SHI Long-qing1;WEI Jiu-chuan1;ZHU Lu1;LI Shu-cai2

..............page:731-736

Energy analysis of rock structure under static and dynamic loading conditions
LI Li-yun1;2;JU Yang1;ZHAO Zhan-wen1;WANG Li1;LU Jing-fang1;MA Xu1;Beijing 100083;China;2.School of Mechanics and Civil Engineering;China University of Mining and Technology;Beijing 100083;China)

..............page:737-740

Settlement deformation detecting in deep unconsolidated soil layer by fiber Bragg grating sensing technology
CHAI Jing1;3;ZHU Lei1;4;WEI Shi-ming1;LI Yi1;3;QIU Biao1;3;ZHANG Guang-wen2;YANG Jian-hua2;WANG Zhen-ping2

..............page:741-746

Structure analysis and design optimization of drilling shaft lining bottom in super-deep alluvium
YAO Zhi-shu;CAI Hai-bing;CHENG Hua;RONG Chuan-xin

..............page:747-751

Study of three-component converted wave velocity ratio in TI media
WANG Yun1;YANG De-yi2;LU Jun1

..............page:752-755

Mechanics characteristics of coal and its roof and floor rock and the effects of hydraulic fracturing on coal reservoir
ZHU Bao-cun;TANG Shu-heng;ZHANG Jia-zan;Beijing 100083;China)

..............page:756-760

Damage evolution model of non residual stress coal
ZHANG Dong1;WU Yu-liang2

..............page:761-765

Quantitative predicting method of coalbed methane relative high permeability region in geo-stress and geothermal field
LI Zhi-qiang1;XIAN Xue-fu1;XU Long-jun1;JIA Dong-xu2

..............page:766-770

Numerical model of nonlinear flow-diffusion for gas mitigation in goaf and atmosphere
YANG Tian-hong1;2;CHEN Shi-kuo1;ZHU Wan-cheng1;HUO Zhong-gang2;JIANG Wen-zhong2

..............page:771-777

Research and application of attenuation law about gas explosion shock wave in coal mine
WANG Hai-yan;CAO Tao;ZHOU Xin-quan;TAN Guo-qing;XIE Jian-guo;JIANG Wei;Beijing 100083;China)

..............page:778-782

Extension clustering method for coal and gas outburst prediction and its application
GUO De-yong1;ZHENG Mao-jie1;GUO Chao1;HU Dian-ming2;ZHANG Xiao-ke1;Beijing 100083;China;2.No.13 Coal Mine of Tian’an;Pingdingshan Coal Mining Group Co.Ltd.;Pingdingshan 467000;China)

..............page:783-787

Poison gases propagation rules of methane explosion in coal mine
LIU Yong-li1;2;CHEN Hai-bo2

..............page:788-791

Study on the regularity of gas/smoke flow and the characteristics of heat-transfer with spontaneous combustion in Xinjiang coalfield
ZENG Qiang

..............page:792-796