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《Infrared Technology》 2013-08
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Quantitative Analysis and Research on Coal Quality Based on Near Infrared Spectrum

ZHANG Lin;LU Hui-shan;YAN Hong-wei;GAO Qiang;WANG Fu-jie;College of Mechanical Engineering & Automatization, North University of China;  
In the experiment,firstly,quantitative analysis models of the total moisture,volatile matter and ash content of the near infrared spectral of the pulverized coal samples are respectively established by adopting the method of partial least squares.As the model has high predicted precision and good stability,we can see that is feasible to conduct nondestructive testing to the pulverized coal indirectly using the NIR analysis method.Then a further study is made on the correlation of the total moisture,volatile matter and ash content in pulverized coal samples respectively,through which we found that the ash content and volatile matter in the pulverized coal sample have a high linear correlation.Finally,by comparing the ash content value obtained from the correlation function between the ash content and volatile matter with that obtained from partial least squares model,we can find that the ash content value obtained from the linear correlation between ash content and volatile matter in the pulverized coal ash is more accurate and precise.
【Fund】: 国家自然基金 编号:41201294;; 江苏省农产品物理加工重点实验室开放基金 编号:JAPP2012-2;; 山西省青年科技基金 编号:2009021019-3
【CateGory Index】: O657.33;TQ533
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