查询词典 wood

Bureau of national qualitative prison was released 2001 " annatto " national level, 33 the tree is planted return to be mixed for wood of wood of wood of wood of red sandalwood wood, Hua Limu, sweet branch, black acerbity branch, red acerbity branch, ebony, stripe gallinaceous wing wood 8 kinds big, the tree that made clear annatto is planted limits.

国家质监局于2001年发布《红木》的国家标准，将33个树种归为紫檀木、花梨木、香枝木、黑酸枝木、红酸枝木、乌木、条纹木和鸡翅木8大类，明确了红木的树种范围。

In the aspects of research method, we took the method of preparing sol at first and then impregnating the wood to obtain ceramic-wood composite; this method made the wood use efficiently and increased the wood's weight gain percent. The ceramic-wood composite with performances of well decay resistance, dimensional stability, effloresce resistance and high strength was obtained by importing the cymene to the net of gel as the result of co-hydroxylation between MTES and TEOS. Making use of XPS ,we found that the apex of Si2p、O1s、C1s had evident chemical shift , which validated the existence of Si-O-C bonding.Key Words: Sol-gel, Ceramic-wood composite, Modified sol, Ecomaterials

在工艺方法上，采用先制备溶胶，然后浸注木材的工艺方法具有原料利用率高、提高增重率的优点；采用甲基三乙氧基硅烷和正硅酸乙酯共水解的方法，将甲基引入陶瓷化复合木材的凝胶内部，所制备的材料具有尺寸稳定性好、具有耐风化和耐腐朽性，强度高的特点；首次利用X射线光电子能谱，发现了Si2p、O1s和C1s谱峰发生了明显的化学位移，证实了Si－O－C键合作用的存在。

Expert analysis, wood veneer furniture, leather furniture, the fashion plate and solid wood furniture, combined with natural beauty, and because they use a white oak wood leather and cherry wood and other rare species, the effect or even better than solid wood furniture, the price of much cheaper than solid wood furniture, so easily accepted by the working-class.

专家分析，实木皮贴面家具将板式家具的时尚和实木家具的天然美结合在一起，并且由于实木皮大多采用白橡木和樱桃木等珍贵树种，效果甚至比一般实木家具还要好，价格却比实木家具便宜很多，因此容易被工薪阶层所接受。

Puna said the designer kitchen cabinets, solid wood cabinets of pure wood species require a higher consistency, the overall nature and effect; solid wood cabinets with solid wood composite materials for splicing substrate, the surface of paper affixed to wood, the same can visual effects of solid wood; solid wood cabinets at the MDF veneer of wood affixed to the surface of double-skin.

普纳厨柜设计师介绍说，纯实木橱柜对木种的一致性要求较高，整体自然，效果好；实木复合橱柜以实木拼接料为基材，表面贴实木皮，同样能达到实木的视觉效果；实木贴面橱柜在密度板的表面双贴实木皮。

From view of wood construction effecting, the article analyzes affecting factors of wood main micro-constructions such as tylosis and bored pits in processing of wood chemistry soaking with fire retardants, the article also analyzes existing condition of moisture in wood and relationship between moisture moving in wood and wood chemistry soaking technology treated with fire retardants.

从木材构造对化学阻燃浸渍处理工艺影响的角度，指出在木材化学阻燃浸渍处理过程中，影响阻燃剂在木材中渗透性的木材主要微观构造有浸提物、纹孔等，分析了木材中水分的存在状态和木材中水分的移动与木材化学阻燃浸渍处理工艺的关系。

To clarify the interaction between wood primary components based on a molecular level, and to obtain the change information of bonding form between molecules in different soften or decrystallized wood, can not only provide theoretical basis for decrystallization, chemical improvement of wood and wood bending, but also can offer technical parameters for new approach and ways of wood processing and integrated utilize, at the same time can also enrich the wood rheology theory.

为了在分子水平上弄清楚木材主成分之间的相互作用关系，以及获得不同塑化处理后，木材在应变条件下内部分子结合形式的变化信息，不仅能为木材的非晶化、化学改性、弯曲部件成型等奠定理论基础，还能为木材加工、综合利用等开辟新的途径和方法提供技术参数，同时还能丰富木材流变学理论。

Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.

以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例，测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛，分析了水对处理木材结晶度及内部凝聚力的影响；通过未处理和两种处理木材在不同温度水中的连续应力松弛测定，应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量，分析了在水中松弛过程中不同阶段木材内部发生的化学反应；并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量，明确了交联反应的类型；为了了解干燥对处理木材塑性变形固定的影响，测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛，分析了温度变化对处理绝干木材应力松弛的影响；根据多个温度水平下的连续应力松弛测定曲线，计算松弛过程的热力学量，考察了绝干木材在松弛过程中内部发生的分子变化机理，同时也用间歇法定量了木材内部新形成的架桥量，并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。

Principle of least squares,digital image segmentation,digital image treatment and digital image identifying were applied into the research of wood science in this research,the wood cell image of annual ring from annual center to wood edge was analyzed,the modified level set method was applied to segmentate cell image precisely for the first time,the identifying of wood cells and hexagon simulation for wood cells were accomplished with active contour model,which had important potential application value in deepening the research of wood properties to a further step,moreover,had an important significance for improving comprehend on wood micro-properties and enlarging the applicable range of wood.

本研究将最小二乘原理、数字图像分割、数字图像处理、数字图像识别应用于木材科学研究，分析了从年轮中心到木材边缘的年轮的木材细胞图像，应用改进的水平集方法准确分割细胞图像，应用活动轮廓模型完成了对木材细胞的识别，并完成了木材细胞六角形仿真，对木材材性的深入研究等领域中有重要的潜在应用价值，对提高木材对微观性能认识，扩大木材的适用范围，具有重要意义。

The calculation of carbon stock changes for the purpose of accounting for harvested wood products, if so elected, on land that is to be accounted for under either reforested land or elected forest management land shall be based on the total increment of carbon stock growth in the eligible forest minus any changes in soil carbon, minus carbon stocks left over from timber harvest activities, minus carbon stocks from any wood residues from wood mills, minus carbon stocks from wood products used for the purposes of paper, wood chips or other short-lived wood products, minus a carbon release estimate of harvested wood products produced and then destroyed during the commitment period, times a conversion factor from carbon to carbon dioxide equivalent.

如经选定，为了对伐木制品进行核算，对再造林土地上或选定的森林管理土地上碳储存变化的计算应基于以下方式：符合资格的森林中碳储存的增量总额减去土壤碳的任何变化量，减去伐木活动余下的碳储存，减去木材厂木渣的碳储存，减去用于造纸的木材产品、木屑或其他短生命周期木制品的碳储存，减去在承诺期生产但后又破坏的伐木产品的估计碳释放量，乘以从碳到二氧化碳的换算系数。

Different cells,cell density and cell shape lead to comparatively great difference in wood properties and physical mechanical properties, change of wood cells affects change of wood properties including wood quality,wood property and all other aspects,and wood properties decide economic value and directly affect manufacturing and utilization of wood,therefore,the research and analysis on wood cell structure become especially important.

由于树木生长不均匀，使各种树木的木材构造具有多样性，不同细胞体、细胞密度和细胞形状导致了木材材性和物理力学性能存在较大差异，木材细胞的变化影响着木材性质的变化，木材的性质又决定木材经济价值，并直接影响木材的加工和利用，由此对木材细胞结构分析研究就变得尤为重要。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。