1Ecological footprints in coal mining industry and inter-area differencesJIN Dan, BIAN Zheng-fu225-2292The innovational mining technology of fully mechanized mining on thin coal seamSHENG Guo-jun, SUN Qi-sheng, SONG Hua-ling230-2343Numerical simulation of surface subsidence on the conditions of "three-hard" in Datong mining areaHOU Zhi-ying, WANG Jia-chen235-2384Application of genetic programming on predicting maximum surface subsidence due to miningZHAI Shu-hua, GAO Qian239-2425Analysis of de-noising based on wavelet transform in triaxial creep experiment of rockHAN Bing, WANG Zhi-yin243-2476The method of in-situ stress measurement by boring core deformationCHEN Qu, XU Jiang, ZHOU De-pei248-2527Experimental study on reducing the dust of explosion by the new water stemmingJIN Long-zhe, YU Meng, LIU Jie-you, CHU Yan-ning253-2578Hydro-geological condition physical simulation of the low rank coalbed methane reservoir formationWANG Bo, JIANG Bo, WANG Hong-yan, CHEN Zhen-hong, LIU Hong-lin, LI Gui-zhong258-2609Migration of hazardous elements in acid coal mine drainageZHAO Feng-hua, SUN Hong-fu, LI Wen-sheng261-26610Reserves estimation system based on geostatisticsMA Hong-bin, XIONG Jun-nan267-27111The effects of pay formation combination on productivity of coalbed methane well in Qinshui basinZHANG Xian-min, TONG Deng-ke272-27512New technology of outburst danger prediction by gas contentHU Qian-ting, ZOU Yin-hui, WEN Guang-cai, ZHAO Xu-sheng276-28013Deformed-coal structure and control to coal- gas outburstZHANG Yu-gui, ZHANG Zi-min, CAO Yun-xing281-28414Predicting the coal and gas outburst using artificial neural networkYOU Wei, LIU Ya-xiu, LI Yong, LIU Chao-hui, ZHOU Jian-bo285-28715Experimental on water mist contained compound additives extinguish kerosene pool fireYU Ming-gao, XU Jun, YU Shui-jun, JIA Hai-lin, ZHENG Li-gang288-29116The quantum chemical study on different rank coals surface interacting with methaneJIANG Wen-ping, CUI Yong-jun, ZHANG Qun, ZHONG Ling-wen, LI Yu-hui292-29517Denitrogenation and desulphurization during hydropyrolysis of coal in H2/Ar plasma jetBAO Wei-ren, ZHANG Jin-cao, SHEN Shu-guang, CAO Qing, L(U) Yong-kang296-29918The effect of alkali metals K on the process of catalytic gasification of CBLS charZHOU Zhi-jun, LIN Miao, KUANG Jian-pin, LIU Jian-zhong, ZHOU Jun-hu, CEN Ke-fa300-30319Feature extraction based on image segmentation of coal flotation frothLIN Xiao-zhu, GU Ying-ying, ZHAO Guo-qing304-30820Analysis of coal derivative hermogravimetry signal noise removal with different methodsLI Pei-sheng, YU Liang, HU Yi, LI Jie, HU Song, XIANG Jun, SUN Lu-shi309-313 