光谱学与光谱分析 |
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Prediction of the Lengths of Fibers and Vessels of Rattans Using Near Infrared Spectroscopy |
WANG Yu-rong1,REN Hai-qing1,ZHAO Rong-jun1,LIU Xing-e2* |
1. Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China 2. International Centre for Bamboo and Rattan, Beijing 100102, China |
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Abstract The morphological characteristics of fibers and vessels of six rattan species in Southern China were investigated to study the feasibility of predicting the lengths of fibers and vessels of rattan species with application of analytical technologies of near infrared spectroscopy (NIR). The results showed that the average lengths of fibers and vessels of six rattan species were from 1 229 to 1 917 mm and from 1 035 to 2 129 mm, respectively. The models of length of fiber and vessel were constructed by combining partial least square (PLS) and full cross-validation, and a good correlation between the length of fibers and the spectrum transformed by the first derivative was found within the spectral range of 350~2 454 nm, and the correlation coefficient (rc and rp) and standard error (SEC and SEP ) of calibration model and prediction model are 0.98,0.85 and 70,178 respectively, while a good correlation between the length of vessels and the spectrum transformed by the first derivative was found within the spectral range of 350~2 500 nm, the correlation coefficient (rc and rp) and standard error (SEC and SEP) of calibration and prediction model is 0.97, 0.80 and 101, 261 respectively. Their model parameters showed that NIR spectroscopic technique can rapidly and accurately predict the lengths of fibers and vessels of the six rattan species.
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Received: 2010-05-10
Accepted: 2010-08-20
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Corresponding Authors:
LIU Xing-e
E-mail: liuxe@icbr.ac.cn
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