| 光谱学与光谱分析 |
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| Influence of Sample Annum and Distribution of Chemical Values on NIR Veracity |
| LI Jun-hui1, QIN Xi-yun2, ZHANG Wen-juan1, CAI Gui-min1, YANG Yu-hong2, ZHAO Long-lian1, CHANG Zhi-qiang1, ZHAO Li-li1, ZHANG Lu-da3 |
1.College of Information and Electrical Engineering, China Agricultural University, Beijing 100094, China
2.Yunnan Tobacco Science Research Institute, Yuxi 653100, China
3.College of Science, China Agricultural University, Beijing 100094, China |
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Abstract The influence of sample annum and the distribution of sample component on NIR veracity was studied with homemade grating diffuse NIR instrument using Yunnan flue-cured tobacco. Results showed that sample annum had an obvious influence on the total sugar and nicotine models, but had an unconspicuous influence on the total-nitrogen model. Models set up by samples, whose component content distribution was normal school, was better than those set up by even distribution. The conclusion in this study has a significant referenced value for the method and principle to select representative samples to modeling from a large amount of specimens.
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Received: 2006-05-19
Accepted: 2006-10-15
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Corresponding Authors:
LI Jun-hui
E-mail: caunir@cau.edu.cn
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| Cite this article: |
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LI Jun-hui,QIN Xi-yun,ZHANG Wen-juan, et al. Influence of Sample Annum and Distribution of Chemical Values on NIR Veracity[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(09): 1754-1756.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I09/1754 |
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