酸雨引起杨树木材性质的变异对杨木的加工利用有一定的影响。
The variation of wood properties by acid rain influenced significantly wood processing and utilization .
在清理掉覆盖在木材上方的涝渍地后,考古学家意识到了它真正的性质。
Cleaning away the waterlogged site overlying the timbers, archaeologists realized its true nature.
其实是一位材料学家发现了一种处理木材的方法,使其处理后的声学性质与克雷莫纳木材非常相似。
What happened was a material scientist figured out a way to process wood to make it acoustically similar to the Cremonese wood.
木材不是完全弹性体,其力学性质具有明显的粘弹性。
Being not a perfect elastic substance, wood behaves some viscoelastic properties in many respects.
木材(次生木质部)是树木形成层细胞分化的产物,形成层的活动方式不仅影响木材的产量,而且影响木材的结构和性质。
Wood is the product of cambial activity in trees, and the seasonal activity style of cambium directly influences wood biomass production, structures and properties.
本研究从化学组分、纤维形态和表面性质三方面分析比较了麦秆纤维与木材纤维。
A analysis was focused on the chemical composition, morphology and surface characterization of both wheat straw fiber and wood fiber.
弹性模量是木材的重要力学性质。
Elastic modulus is an important mechanical characteristic of wood.
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.
美国黑核桃木材化学性质能满足胶合板生产要求。
Also the chemical properties of American black walnut wood satisfy the requirement for plywood and veneer production.
木材从旧楼值得注意的是,它的性质,其中可能包括扎入钉子或其他标记。
Lumber recovered from old buildings is notable for its character, which may include nail holes or other markings.
结果表明:木材物理性质一般受试样尺寸的影响较小;木材力学性质则不同程度地受到其影响。
The result shows that sample dimension has light influence on wood physical properties, but different degrees of influence on wood mechanic properties.
对比分析可知其木材物理力学性质与杨属类其它种木材相近,并指出其木材利用的主要方向。
The contrast analysis shows that, the timber physic mechanics character is similar with the other species of Populus. The main orientation of timber utilization is pointed out.
研究表明:桉树不同家系间木材物理力学性质和化学组成存在差异;
The results showed that there existed variation among eucalypt families in wood physical-mechanical properties and wood chemistry.
泥煤焦油的性质和由木材干馏所得到的焦油的性质相似。
Peat tar has similar properties to the tar derived from the destructive distillation of wood .
本文着重对重要人工林树种杉木木材的干缩湿胀性质进行了研究。
The paper discussed shrinkage and swelling of plantation Chinese Fir wood which is one of important plantation species in China at present.
以杉木为研究对象从宏观和微观上研究了木材横纹断裂的性质,并阐述了木材的强韧机理。
The characteristics of transverse fracture of Chinese Fir from macro and microcosmic, and the mechanism of strong toughness of wood was studied in this paper.
在木材物理力学性质试验的基础上,研究了文县杨木材的9种常规物理力学性质,并对其材性指标进行了评价。
Based on the timber experiment of Wenxian Poplar, the paper researched its 9 kinds of common physic mechanics characters and evaluated its timber character index.
如果您的用户需要的性质极具创意的客厅装饰性表格,选择木材将可能使他快乐。
If your user wants a decorative table for a nature-inspired living room, choosing wood will probably make him happy.
基于硼酸锌的其它性质,还可用于防腐,远红外线吸收,木材的防虫防菌处理等领域。
Zinc borate also can be used for anti-corrosion, far infrared absorption, biocontrol insects and wood processing, and other fields.
泥煤焦油的性质和由木材干馏所得到的焦油的性质相似。
Peat tar has similar properties to the tar derived from the destructive distillation of wood.
实木合成地板是采用木材切刨成薄片,纵横交错,多层组合粘结而成,使其木材纤维互相牵扯保持性质稳定。
Composite Flooring is made of many layers of glued plank . Its grains weave vertically and horizontally . The fibers of the wood can be stick together. This maintains its character stable.
实木合成地板是采用木材切刨成薄片,纵横交错,多层组合粘结而成,使其木材纤维互相牵扯保持性质稳定。
Composite Flooring is made of many layers of glued plank . Its grains weave vertically and horizontally . The fibers of the wood can be stick together. This maintains its character stable.
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