Wood basic density is clearly related to late wood percent.
木材密度与晚材率的正相关显著。
Within tree variation in wood basic density and cellulose content of poplar clones;
同时介绍了复合材料中树脂和纤维含量的确定方法。
The significant differences also existed in wood basic density, fiber length and fiber diameter at different tree height.
不同树干高度处的平均木材密度、纤维长度和纤维宽度存在显著差异。
Also, there existed correlations among various traits, as the wood basic density was negatively correlated with growth traits.
木荷各性状间也存在相关性，其木材基本密度与生长性状呈显著负相关。
The birches with a better growth and higher wood basic density which of the fiber traits and the wood chemical compositions was favorable to papermaking.
其白桦生长状况较好，木材基本密度较大，木材的纤维性状和化学成分含量最有利于造纸。
Wood basic density and fiber morphological features in the breast-height position for512-year-old excellent clones of Populus tomentosa Carr. (1CK)were measured and analyzed in this paper.
对12年生5个毛白杨优良无性系（另1个作对照）胸高处木材的基本密度和纤维形态进行了测定分析。
The results indicated that the five traits like height, diameter at breast height, volume, wood basic density and tracheid length showed at least significant genetic variation among clones.
结果表明，无性系间树高、胸径、材积、木材基本密度和管胞长度存在显著至极显著差异。
In physical and mechanical indexes, the basic density, air-dried density, compression strength parallel to grain, MOR, MOE and toughness of mature wood are higher than that of juvenile wood.
在物理力学性质指标中成熟材的基本密度、气干密度、顺纹抗压强度、抗弯强度、抗弯弹性模量及冲击韧性高于幼龄材；
In physical and mechanical indexes, the basic density, air-dried density, compression strength parallel to grain, MOR, MOE and toughness of mature wood are higher than that of juvenile wood.
在物理力学性质指标中成熟材的基本密度、气干密度、顺纹抗压强度、抗弯强度、抗弯弹性模量及冲击韧性高于幼龄材；
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