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照相法测木材早、晚材X射线吸收系数
MEASUREMENT OF X—RAY ABSORPTION COEFFICIENTS OF EARLY WOOD AND LATE WOOD WITH PHOTOGRAPH
【摘要】 本文介绍了一种测量木材早、晚材X射线吸收系数的方法——照相法,并用这种方法对红松、落叶松等7种木材进行测量,获得了它们的早、晚材X射线吸收系数的数据,并对结果进行了分析。
【Abstract】 X—ray absorption coefficients of early wood and late wood were measured with photograph. Seven species, such as Pinus koraiensis, Larix spp. and so on, were measured. Getting the data of their X—ray absorption coefficients and analysed it.
【关键词】 早材;
晚材;
X射线吸收系数;
测量方法;
【Key words】 Early wood; Late wood:X--ray; Absorb coefficient; Measurement methods;
【Key words】 Early wood; Late wood:X--ray; Absorb coefficient; Measurement methods;
- 【文献出处】 东北林业大学学报 ,Journal of Northeast Forestry University , 编辑部邮箱 ,1988年05期
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