| 光谱学与光谱分析 |
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| Measuring the Density of Wood and Bamboo Using Computed Tomography |
| PENG Guan-yun1, JIANG Ze-hui2*, LIU Xing-e2, YU Yan2, YANG Shu-min2, DENG Biao1, XIAO Ti-qiao1, WANG Xiao-huan3 |
1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
2. International Center for Bamboo and Rattan, Beijing 100102, China
3. Beijing Forestry Machinery Research Institute of State Forestry Administration, Beijing 100029, China |
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Abstract CT is widespread non-destructive detection technique for wood materials, and the density measurement is a key role during this application. In the present report, the use of CT for air-dry density measurement of wood and bamboo is described. The authors found that there were marked linear correlations between air-dry density(0.303～1.061 g·cm-3) of 24 kinds of woods and their respective CT value, as well as 25 kinds of lignin materials (including 24 kinds of woods and 1 kind of bamboo) and the CT value, both with correlation coefficient of 0.99, which belonged to the CT technological breakthrough for wood quantitative detection. These research results show that CT is an appropriate way to measure density for wood and bamboo, and would provide technical support for CT used in the field of wood science research and wood processing.
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Received: 2010-09-20
Accepted: 2011-02-08
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Corresponding Authors:
JIANG Ze-hui
E-mail: liuxe@icbr.ac.cn
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