Radial and tangential gas permeability of Masson pine wood were measured respectively in this paper.

分析和讨论了影响马尾松木材渗透性及其各向异性的机理。

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A method to predict the wood radial thermal conductivity based on back propagation (BP) neural network model which has non-linear relation highly was proposed.

利用神经网络所具有的输入-输出之间的高度非线性映射关系，给出一种利用BP神经网络模型预测木材径向导热系数的方法。

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P. lotungensis is also an excellent precious timber specie with higher wood density and radial uniformity, though its growth rate is medium.

树冠窄小的乐东拟单性木兰生长速度中等，但其木材密度大、径向均匀性高，是优良的珍贵用材树种；

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