| 光谱学与光谱分析 |
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| Near Infrared Spectroscopy of Wood Sections and Rapid Density Prediction |
| JIANG Ze-hui1, HUANG An-min1*,WANG Bin2 |
1. Research Institute of Wood Industry，Chinese Academy of Forestry，Beijing 100091, China
2. Beijing Golden Way Scientific Co., Ltd，Beijing 100070, China |
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Abstract In the present report, the use of calibrated near infrared (NIR) spectroscopy for rapid prediction of solid wood density is described. NIR spectra were obtained from the three sections (cross, radial and tangential section) of each Chinese fir sample. The authors found that the spectra of the three sections are different and the correlation coefficients between the laboratory-determined density and the NIR-fitted data are different, too. The prediction results showed that the model based on NIR spectra taken from the cross section is the best, and the correlation coefficients are 0.94 (cross), 0.85 (radial) and 0.81 (tangential)，respectively. Using the cross model to predict the density of unknown wood samples, we can see: r2 is 0.977 and the standard deviation (STDEV) is only 0.006.
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Received: 2006-01-26
Accepted: 2006-04-25
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Corresponding Authors:
HUANG An-min
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| Cite this article: |
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JIANG Ze-hui,HUANG An-min,WANG Bin. Near Infrared Spectroscopy of Wood Sections and Rapid Density Prediction[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(06): 1034-1037.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I06/1034 |
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[2] LU Wan-zhen, YUAN Hong-fu, XU Guang-tong，et al(陆婉珍，袁洪福，徐广通，等). Modern Near Infrared Spectroscopy Analysis Technology(现代近红外分析技术). Beijing：China Petrochemical Press(北京：中国石化出版社), 2001. 73.
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