1The prediction of neural network application in coal qualitySHAO Xun, ZHANG Ning-ning1-42The coal quality characteristics of workable coal seam in Pingshan minefield in Guizhou provinceZHANG Meng-jiang5-83Study on effects of changes of temperature and pressure on LI adsorption-flow equationWEI Ya-ling, ZHANG Xue-mei, CHENG Shi, Li Dong, XU Guang-yilong9-124Analysis on the new data statistical methods of coal reference materials researchSUN Gang, YANG Hua-yu13-165Management studies of sampling and sample preparation of coal enterprises under the new situationZHANG Xiong17-196Study on the deviation of total moisture contents in Shenhua coal by two kinds of particle sizeCHEN Bao-hua, XING Yong-feng, WU Zeng-li20-227Application of the comparison experiments in the quality control of total sulfur determinationYUAN Cui-cui, LIU Cui-ru23-25,298The application of the weighted average in parameters'calculation for batches of coalLi Na, FAN Rong-chang, LIU Xiao-jun26-299The inspection summary of riffle performance acceptanceSHAO Xu, TIAN Jian-liang30-31,4110A method for daily performance test of automatic sample preparation devicesREN Zhi-jun, LI Jing-ya, ZENG Wen-hua32-34,3811The ultimate analysis instrumental method application in carbon, hydrogen, nitrogen analysis of petroleum cokeWANG Xia, XIANG Zhan-chang, JIANG Tao, TIAN Fa-liang35-3812Discussion on the application of infrared instrument for measuring sulfur in solid biofuelsWU Meng-yi, ZHAO Guang-yun, ZHANG Jing-jing39-4113Determination of Fluorine in coal using High-temperature combustion hydrolysis-T70 automatic potentiometric titratorGUO Pei, ZHAO Xiu-hong, WANG Ming-xing, CHANG E42-4614Analysis of the influence of coal calorific value difference on the economic benefit of coal fired power plant and countermeasuresLI Man-bao, WU Suo-zhen47-5015Discussion on key elements and precautions of coal calorific value determinationZHANG Zhi-kun, HAN Hui-cai51-52,5016Discussion on problems in application of coal sampling international standardsFENG Tao, LIAN Jin-jing, HE Jun, TANG Zhao-guan, WANG Jun-hui53-5717Discussion of test times and result processing in the coal detection fieldQIN Tao, LI Guan-long, SHEN Jian, WANG Guang-pu, LI Xiao-jiang58-59,6218Gross calorific value calculation when combustion agent was addedZHANG Jin-ming60-6219Capability approval experiments of medium removal equipment in Jinda coal preparation plantWANG Hai-yan, WANG Min-ge, ZHANG Shi-long, WANG Shu-kuai, LIU Tao63-66,7020Deep recovery clean coal process of middings and gangue magnetic separation tail coal heavy medium separation and equipment research and applicationWANG Yun-peng, GAO Zhong-xin67-70 