latewood

latewood

1. 4)The lower density of latewood is one of the main reason which can be used to explain the lower density of Chinese-Fir wood after compared with other so-called heavy species.

4)通过与其他重木材的比较发现,晚材密度低是人工林杉木密度偏低的主要原因之一。

2. Variance coefficient of latewood percentage to sound vibration parameters of Picea genera wood

云杉属木材晚材率变异系数与声振动特性参数

3. STUDY ON RELATIONSHIP BETWEEN SOUND VIBRATION PARAMETERS AND GROWTH RING WIDTH AND LATEWOOD PERCENTAGE OF PICEA GENERA WOOD

云杉木材声振动性能与生长轮宽度、晚材率之间关系的研究

4. The effect of growth rate and latewood percent on stress wave modulus of elasticity was more obvious than that on vibration modulus of elasticity.

应力波测试的动弹性模量和生长率及晚材率关系密切,超过振动测试的弹性模量和生长率及晚材率关系。

5. 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。

6. Growth Regularity of Chamaecyparis pisifera and Variations for Latewood Percentage and Wood Basic Density

日本花柏人工林生长规律与晚材率、木材密度的变异

7. 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。

8. 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。

9. 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、0.8043。

10. latewood percent

晚材率

11. Warm-Season Annual to Decadal Temperature Variability for Hokkaido, Japan, Inferred from Maximum Latewood Density and Ring Width Data

根据最大晚材密度和轮宽资料推断日本北海道暖季年到十年温度变率

12. Keywords Loblolly Pine;provenances;MOE and MOR;wood density;latewood percent;tree age;genetic variation;environment;

火炬松;种源;抗弯强度与抗弯弹性模量;木材密度;晚材率;树龄;遗传变异;环境;

13. Variation in Crushing Strength Parallel to the Grain of Wood for Provenances of Exotic Loblolly Pine and Its Relationships with Tree Age, Wood Density and Latewood Percentage

火炬松种源顺纹抗压强度变异及与树龄、晚材率、木材密度相关分析

14. THE PRECIPITATION RECORDS FROM TREE-RING LATEWOOD WIDTH IN THE HELAN MOUNTAIN

贺兰山树轮晚材宽度记录中的降水量变化

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