木材密度的变化会影响振动，因此也会影响声音。
Variations in wood density affect vibrations, and therefore, sound.
晚生木材密度大，没有那么多孔。
木材密度与晚材率的正相关显著。
木材密度高，难于加工。
染色单板的变形程度有较大差异，平整度与木材密度相关；
There is a great difference in the deformed degree of dyeing veneers, smooth level has a relation with wood density.
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。
The significant differences also existed in wood basic density, fiber length and fiber diameter at different tree height.
解剖树木生长过程木材密度变化规律，研究年轮内密度的变化十分重要。
So it is very important to find out the variation regulation of wood ring density in growth process.
本文研究了东北红松、落叶松和黄花落叶松的木材密度和顺纹抗压强度的变异。
Pinus koraiensis, Larix gmelini and Larix olgensis are the species of the most important timber in northeast of China.
木材密度是表示木材材质的重要指标，它是木材内部因子综合性指标的外在反映。
Wood density is an important index to evaluate the wood quality and it's also the external reflection of the comprehensive index of the wood interior factor.
5年生胸径、树高、材积、木材密度和树皮厚度的遗传变异进行了研究，结果表明：10。
5-years, and DBH, height, stem volume, wood density and bark thickness at 10.
伯乐树生长速度中等，木材密度略低，但其径向均匀性较高，宜作为优质的工艺材来培育；
B. sinensis is more suitable for cultivating as good technological wood, as it exhibits medium growth rate, lower density but smaller radial variation;
依木材密度所作的聚类分析可以把3个试点均参试的49个种源划分为南、中、北3大类群；
The 49 provenances tested at 3 sites were divided into 3 groups (South, Centre and North) by cluster analysis on wood specific gravity.
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；
P. lotungensis is also an excellent precious timber specie with higher wood density and radial uniformity, though its growth rate is medium.
从木材密度、抽提物、加工性能等方面讨论人工林难胶合木材胶合困难的主要原因，阐述改善胶合性能的主要措施。
This paper first discusses factors which may affect the gluability of poor-bonding wood from wood density, extractives and machining quality aspects.
亲本连5和高37在3个生长性状中表现出较高的一般配合力效应值，龙5和龙1在木材密度性状上表现出较高的一般配合力效应值。
Parent Long 5 and Gao 37 were highly general combiners for three growth traits, and parent Long 5 and Long 1 were highly general combiners for wood density.
树木没有被复制，只是木材，特别是木材的密度。
The trees weren't replicated, just the wood, specifically the wood's density.
因此，经真菌处理的木材接近克雷莫纳斯木材的密度差。
As a result, the density differential of the fungi-treated wood approach that of the Cremonese wood.
当科学家们第一次将古典克雷莫纳小提琴的木材与现代小提琴的木材进行对比分析时，他们计算了平均密度，并没有发现区别。
When scientists first analyzed the wood of vintage Cremonese violins in compared with the modern violin wood, they calculated the average density and found no difference.
不利的一面是，红木是一种柔软，低密度的物料，因此厚木材必须使用，以确保墙强大到足以完成工作。
A downside is that redwood is a soft, low-density material, so thicker lumber must be used to ensure a wall is strong enough to do the job.
各种天然木材和中密度纤维板(MDF)模块板可以很容易地被工作者根据需要重新安排。
A variety of natural wood and medium density fibreboard (MDF) modular tables can be easily re-arranged by workers as needed.
表皮：带有泡状开口的外立面通过有海绵图像的高密度木材面板实现。
Scarfskin: A vesicular opening was realized through the lumber panel with high-density in an imagery work of a sponge.
ICT的待检材料如木材、铸件和钢件等，它们的密度一般都比较均匀或相近，因此它们的ICT断层扫描图像近似于二值化图像。
The materials such as wood, cast and steel products, because their density are more homogeneous, so their image profiles which are inspected by ICT device must be binary-value images approximately.
该漆的表面是木材的对立面，创造一种高密度，大规模的吸收反射的存储功能的所有必要元素。
The the lacquered surface is the antithesis of the wood, creating a dense, reflective mass that absorbs all the necessary elements for the function of the store.
提出一种基于过程神经网络的木材生长轮密度长期预测方法。
A long-term forecast method of timber growth ring density based on process neural network was proposed in this paper.
种源内木材气干密度、力学强度及胞壁率差异不显著，管胞长、宽和壁厚的差异均显著且高于种源间的差异。
Meanwhile, there were not significant differences in wood air dry density, mechanical strength and cell wall percentage of intra provenance.
适用范围：适用于室内的石膏板，混凝土，腻子，砖，卡纸板，壁纸，木材，纸质石膏板，硬纸板，密度板表面。
Application: Suitable for interior gypsum board, concrete, putty, bricks, cardboard, wallpaper, wood, gypsum board, paper, cardboard, MDF surface.
两种木材的力学性质与气干密度表现为显著的正相关关系。
There was a remarkable positive correlation between mechanical properties and air-dried density for two wood species.
在动态模型中，把各种方案作为输入参数，便可研究出这些参数变化的影响，包括材料的使用(混凝土和木材)和材料密度的变动。
Scenarios are applied to the input parameters in the dynamic model to investigate the impacts of changes in these, including variations in material usage (concrete and wood) and material density.
其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
Site type and stand age can significantly influence the paper properties whereas silviculture density effect isn't significant yet.
其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
Site type and stand age can significantly influence the paper properties whereas silviculture density effect isn't significant yet.
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