1Application progress of coke optical texture in coal blending cokingSUN Xiao-wei, XIE Quan-an, WANG Jie-ping, GUO Rui1-3,72Application of Arnu-Audibert's dilation in coal quality evaluationZHANG Xue-hong, WEI Bian, REN Yu-ming, CHEN Peng, FANG Hong-ming4-73Correlative analysis for cohensiveness indexes of coking coalXU Rong-guang, LI Dong-tao, LIU Yang, MA Chao8-10,144Analysis on coal quality characteristics of Dongwan coal mine in Qinglong county of Guizhou ProvinceLIU Tai-qin, MIN Kang, TANG Xian-gui, LUO Xi-mei, YANG Jian-Bo11-145Research on the coal characteristics of No.1 coal mine in Huangling mining areaSHANG Hai-tao15-186Evaluation of coal quality and application of coal from Santanghu Kumusu mining area using structural chemical indexYANG Feng, FENG Shuo, LI Zhuo-yi19-217Evaluation of the equivalence of different detection methods in coal conventional analysisLI Guan-long, QIN Tao, WANG Guang-pu, CHEN Fan-min, CHEN Jian22-268Application of quality control method of laboratory test resultsOUYANG Min, LI Jing27-309Application of power-off protection device for hydraulic energy storage type primary sampling machine in belt sampling system of Jingtang portTAO Xin31-33,3710Determination of fluorine and chlorine in petroleum coke using high temperature hydrolysis-ion chromatographyTIAN Fa-liang, JIN Wei, WANG Xia, XI Hua, DUAN Sheng-zeng34-3711Comparison of two test methods for combustible matter content determination in fly ash and bottom ashLI Wei-feng, LI Guan-long, LI Shuai-dan38-4112Analysis and discussion on test methods of thermal stability of coalYANG Guang42-44,6013Accuracy analysis of moisture determination in coal using moisture analyzerXIONG Zhi-ming, HU Biao, ZHOU Si-qing45-4814Improvement of the full-automatic sampling machine for automobile coal based on laser rangefinderWANG Guang, FENG Hao49-51,5415Exploration on ash sample preparation experimental conditions in coal ash composition analysisZHUANG Yan, YIN Hong-tao, ZHANG Ling, LIANG Yan, CHEN Qing52-5416A feasibility study on determination of apparent relative density of coal with automatic density meterLI Ping55-5717Discussion on the problems which need attention in determination of coal ash fusibility using carbon sealing methodNI Ping58-6018Process effect analysis on middlings sieve bendWANG Dan, YANG Jing, WANG Chun-sun, ZHANG Shou-ming, TANG Yi-chun61-64,6819A brief discussion on the coal washing and processing technic of Ningxi mining areaLIU Dong-hui, BAO Yong-hong, LIU Li-jun65-6820Discussion on briquette technology for Lurgi gasificationLIU Ming-rui69-72 