[Study on chemical compositions and crystallinity changes of bamboo treated with gamma rays].

[Study on chemical compositions and crystallinity changes of bamboo treated with gamma rays].
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DOI：
10.3964/j.issn.1000-0593(2011)07-1922-03
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发表时间：
2011-07
期刊：
Guang pu xue yu guang pu fen xi = Guang pu
影响因子：
--
通讯作者：
Fengbo Sun;Ze-hui Jiang;B. Fei;Fang Lu;Zihou Yu;Xiang-zhen Chang
Fengbo Sun;Ze-hui Jiang;B. Fei;Fang Lu;Zihou Yu;Xiang-zhen Chang
中科院分区：
其他
文献类型：
--
作者：
Fengbo Sun;Ze-hui Jiang;B. Fei;Fang Lu;Zihou Yu;Xiang-zhen Chang

文献摘要

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利用核磁共振谱仪（NMR）和X射线衍射仪（XRD）对经γ射线辐照处理后的竹材细胞壁的结构和主要化学成分进行了分析。结果表明，辐照初期，竹材结晶度增加，当辐照剂量增加到100 kGy左右时，结晶度降低。在整个辐照过程中，半纤维素降解，随着辐照剂量的增加，非酚木质素向酚木质素转化。
The structures and qualities of main chemical compositions in cell wall of bamboo treated with gamma rays were tested by nuclear magnetic resonance spectrometer (NMR) and X-ray Diffraction (XRD). The result indicated that the bamboo crystallinity increased at the beginning of irradiation process, while the crystallinity reduced when the irradiation dose was raised to about 100 kGy. During the whole irradiation process, hemicellulose degraded, and with the irradiation doses increased the non-phenolic lignin changed to the phenolic.