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1篇 您的检索式：作者名="Chang Mingran"

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		题名	作者	年代	出处	被引量
	1	Study on primal CO gas generation and emission of coal seam显示文摘The main method of casting coal spontaneous combustion is prediction of index gases, with carbon monoxide(CO) commonly used as an index gas. However, coal spontaneous combustion is not the sole source of CO evolution; primal CO is generated through coalification, which can lead to forecasting mistakes. Through theoretical analysis, primal CO generation and emission from coal seams was determined.In this study, six coal samples were analyzed under six different experimental conditions. The results demonstrated the change in coal seam primal gas and concentration as functions of time, different coal samples, occurrence, various gas types and composition concentration, which are in agreement with the previous study on primal CO generation. Air charging impacts on primal gas emission. Analysis of the experimental data with SPSS demonstrates that the relationship between primal CO concentration and time shows a power exponent distribution.	Zhu Hongqing Chang Mingran Wang Haiyan	2017	International Journal of Mining Science and Technology2017，27，6：	7

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