【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。更多还原

【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.更多还原