earlywood是什么意思
2023-12-17 09:44:16
earlywood
n. 春材；早材(木本植物春天所生的木质部)；幼树丛
例句
- Earlywood and latewood have a pronounced difference in colour, the latewood having darker, more sharply defined bands. 早木及晚木颜色分别明显，后者有更深、更尖的带状。
- The result revealed that the microfibril angle of earlywood and latewood had a high significant difference among clones. 日本落叶松微纤丝角的径向变异规律为：在髓心处最大，以后逐渐减小。
- The crack was blocked by the vessel, spindly ray and the border of earlywood and latewood.The intercellular layer of ray peeled off easily under ... 导管、纺锤形木射线和早晚材边界对裂纹扩展起到阻挡的作用,在轴向力作用下木射线的破坏主要是胞间层的撕裂,纹孔常常保持完整的形态,裂纹顺着纹孔边缘扩展。
- The results showed that Chinese pine presented high sensitivity to climatic changes, and its earlywood width showed the highest sensitivity. 结果表明：油松生长对环境变化十分敏感，以早材最为敏感。
- During the wood drying, the tangential strain is larger than the radial one.The strain of latewood is much more than that of earlywood in the same direction. 弦向总应变约为径向总应变的1.;8倍，干燥中弦向应变比径向应变大，同一方向晚材应变比早材应变大。
- The broad sense heritability estimates of clones were 0.7674 and 0.8043, indicating the microfibril angle of earlywood and latewood was under strong genetic control. 早材和晚材的微纤丝角受中到强度遗传控制，广义遗传力分别为0.;7674、0
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