| 光谱学与光谱分析 |
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| Water in Wood and Its Near Infrared Spectroscopic Analysis |
| JIANG Ze-hui, HUANG An-min* |
| Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China |
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Abstract Water is one of the most important characters of wood, so the effect of moisture content on the results must be considered in wood property analysis by NIR spectroscopy. In the present study, the absorbance of wood with various moisture content in NIR spectra was analyzed. Then the moisture contents in wood were predicted by NIR spectroscopy. The coefficient of determination is 0.99; and SEC and SEP are 0.041 and 0.043 respectively. In addition, a strong liner relationship between wood density with a 12% moisture content and wood NIR spectra with different moisture contents(7%，12%，20%，30% and 60%)was found. The results indicate that the model built with different moisture contents can predict wood density of 12% moisture content.
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Received: 2006-02-22
Accepted: 2006-05-08
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Corresponding Authors:
HUANG An-min
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[2] JIANG Ze-hui, HUANG An-min, WANG Bin(江泽慧，黄安民，王 斌). Spectroscopy and Spectral Analysis(光谱学与光谱分析)，2006, 26(6): 1034.
[3] JIANG Ze-hui, HUANG An-min, FEI Ben-hua, et al(江泽慧，黄安民，费本华，等). Spectroscopy and Spectral Analysis(光谱学与光谱分析), 2006, 26(7): 1230.
[4] YANG Zhong(杨 忠). Modeling Slash Pine Plantation Wood Properties and Decay Using Near Infrared Spectroscope(近红外光谱预测人工林湿地松木材性质与腐朽特性的研究), Doctor Thesis. Chinese Academy of Forestry(中国林业科学院博士论文), 2005. 9.
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