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季节性淹水对长江滩地69杨木材材性及其变异的影响
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摘要:
以安微新洲滩地上生长的69杨为材料,研究季节性淹水对69杨木材材性及其变异的影响。结果表明,与未淹水相比,长江滩地季节性淹水对69杨纤维形态特征影响不大,0.05水平下方差分析检验不显著;对木材微纤丝角,木材密度,木材干缩率和力学性质影响较大,0.05水平下方差分析检验显著,其中,微纤丝角,基本密度,抗弯弹性模量,抗 度和气干体积缩率分别增加了15.6%,5.9%,15.75,17.2%和28.5
关键词:  69杨 季节性淹水 材性 材性变异
DOI:
基金项目:
Effect of Seasonal Flooding on Wood Properties and Variation of Poplar 69 Grown in the Beaches of Changjiang River
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Abstract:
The wood properties of poplar 69 were tested,which was collected from Xingzhou beaches of Changjiang river where seasonal flooding usually takes place.The results showed that seasonal flooding gave a significant effect on poplar 69's wood properties including microfibril angle,basic density,MOE,MOR and air dry volumetric shrinkage with the increase of 15 6%,5 9%,15 7%,17 2% and 28 5% respectively,although its effect on fiber's morphology of poplar 69 was very little.
Key words:  Poplar 69 Seasonal flooding Wood properties Wood variation

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