| 波动干燥工艺对桦木干燥应力的影响 |
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| 引用本文： | 董会军,赵寿岳,刘文山.波动干燥工艺对桦木干燥应力的影响[J].木材工业,2005,19(4):34-35,41. |
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| 作者姓名： | 董会军 赵寿岳 刘文山 |
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| 作者单位： | 南京林业大学,南京,210037 |
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| 摘 要： | 进行了桦木波动干燥工艺和常规干燥工艺的对比试验.结果表明:波动干燥过程中,在降温干燥阶段,木材厚度方向上温度梯度和含水率梯度方向保持一致.与常规干燥工艺相比,含水率梯度和干燥应力小,可有效避免干燥过程中开裂现象的产生.
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| 关 键 词： | 桦木 常规干燥 波动干燥 干燥应力 |
| 文章编号： | 1001-8654(2005)04-0034-02 |
Effect of Fluctuant Drying on Drying Stresses in Birch |
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| DONG Hui-jun,ZHAO Shou-yue,LIU Wen-shan.Effect of Fluctuant Drying on Drying Stresses in Birch[J].China Wood Industry,2005,19(4):34-35,41. |
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| Authors: | DONG Hui-jun ZHAO Shou-yue LIU Wen-shan |
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| Abstract: | The fluctuant and conventional drying technologies for 22 mm-thick Birch (Betula platyphylla) were tested and compared. During the fluctuant drying process, the temperature and moisture content gradients were in the same direction when temperature declined, and the gradients were both smaller than during the conventional drying process. The tendency of checking was also reduced. |
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| Keywords: | fluctuant drying conventional drying drying stress Birch |
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