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composites
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  复合材料
    Study on the Mechanical Properties of Weft Knitted Fabric Reinforced Composites
    纬编针织物增强复合材料力学性能研究
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    Study on Microstructure, Mean Stiffness and Compression Properties of 3-D Braided Composites
    三维编织复合材料细观结构平均刚度及其压缩性能的研究
短句来源
    Microstructure Analysis and Effective Elastic Properties' Prediction of Two-Step Rectangular Three-Dimensional Braided Composites
    二步法方型三维编织复合材料细观结构及其有效弹性性能预测
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    Modulus Analysis of Triaxial Woven Fabrics Composites
    三轴织物复合材料的模量分析
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    Energy Method of Yarn Modulus Analysis in Textile Structural Composites
    纺织复合材料中纱线模量分析的能量法
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  “composites”译为未确定词的双语例句
    STUDY OF POPLAR WOOD PLASTIC COMPOSITES
    杨木“塑合木”的研究~*
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    STUDY OF POPLAR WOOD PLASTIC COMPOSITES
    杨木“塑合木”的研究
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    Analysis on 564 Organic Composites
    564有机合成材料剖析
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    On the Design of Reinforced Structure Composites for Multi layer Woven Fabric
    多层机织物增强结构的设计
短句来源
    THE STUDIES ON THICKNESS DEFORMATION OF WOOD COMPOSITE Ⅰ. The Pilot Study of Chemical Thermodynamics on the Dimension stabilizing in the Wood Composites
    刨花板厚度方向变形研究 Ⅰ.尺寸稳定之化学热力学研究初步
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  composites
In this paper, the so-called approximate convexity and concavity properties of generalized Gr?tzsch ring function μα(r) by studying the monotonicity, convexity or concavity of certain composites of μα(r) are obtained.
      
Preparation and properties of polymer and quantum dot composites
      
The prepared composites were characterized with UV-Vis, PL, TEM, FTIR, CLSM and conductance titration etc.
      
Spectra results indicated that there existed interactions between nanocarbon and the polymethyl methacrylate (PMMA) matrix, which was consistent with the decrease in glass transition temperature of the composites with increase of carbon content.
      
TEM images revealed that a carbon encapsulated core/shell structure was formed in the composites, which could ensure good dispersion of carbon nanoparticles within the PMMA matrix.
      
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The barks account for 10-15% of all-tree biomass. It is estimated that there are more than 400 million M~3 barks processed by forest industriesaround the world every year. The rational utilization, therefore, of theseeconomic natural resources plays an active role in the development of fore-st industries. This paper reviews briefly the methods and properties of co-mprehensive utilization of barks in foreign countries and presents the achi-evements and successful experiences of some developed countries in the...

The barks account for 10-15% of all-tree biomass. It is estimated that there are more than 400 million M~3 barks processed by forest industriesaround the world every year. The rational utilization, therefore, of theseeconomic natural resources plays an active role in the development of fore-st industries. This paper reviews briefly the methods and properties of co-mprehensive utilization of barks in foreign countries and presents the achi-evements and successful experiences of some developed countries in the re-search and development of barkbased products, such as the stacked fertili-zer, soil improver, fodder, matting etc. for agricultural uses and pulp,tannin resin adhesive, wood preservative, wood-bark/all-bark particleboa-rd, the moulded composites, food additive, medicinal, fuel, activated char-coal and scavenger etc. for industrial uses. At the same time, the paperintroduces the current status of the exploration and application of barks inChina. The investigation shows that a total of 4.5-5.0 million m~3 barksare produced in our country annually, but only 1-2% of them are indus-trially utilized, mainly for extracting some chemicals such as tannin extra-cts, and other uses including for producing tannin-based wood adhesive,manufacturing wood-bark panels, extracting gum, cultivating mushroometc. have also been reported on lab level. Refering to the experiences ofother countries, the paper analyses and discusses how to enlarge and stre-ngthen the research and development of the abundant unused barks in Ching.Also, it suggests systematically the development orientation which is fit forour country in exploring bark-based products on the basis of comparing thecurrent level of completed wood utilization, social background, technicaland economic conditions as well as marketing opportunities between Chinaand other countries. In conclusion, there is a very large potentiality ofutilization of barks in China.

树皮资源的潜在利用价值已受到普遍重视。本文主要从化学利用和物理利用两方面综述了国外树皮资源的研究、产品开发和生产发展的现状,介绍了世界上一些森林工业发达国家的树皮综合利用途径和特点,以及我国当前对树皮资源的开发和利用情况。

Plywood possesses good strength, dimensional stability and dura- bility. Its strength/weight ratio is the highest among the wood composites.with these features the plywood has becomes a primary product of woodbased panels. The decrease of timber supply suitable for plywood manufac-turing and the rise of cost of wood have influenced greatly the advantageousposition plywood has in production. The utilization of small dimensiontimber or fast growing trees, and the extension of wood species beingused for plywood...

Plywood possesses good strength, dimensional stability and dura- bility. Its strength/weight ratio is the highest among the wood composites.with these features the plywood has becomes a primary product of woodbased panels. The decrease of timber supply suitable for plywood manufac-turing and the rise of cost of wood have influenced greatly the advantageousposition plywood has in production. The utilization of small dimensiontimber or fast growing trees, and the extension of wood species beingused for plywood manufacturing are the most important measures fordevelopment of plywood production. The improvement in plywood manufac-turing techniques are helpful to the plywood industry for adapting to thechanged conditions of raw material production, The technical innovation inproduction can open up new material sources for exploitation,increase laborproductivity, reduce cost of production and realize diversity of products.Computers have been introduced into the plywood industry for controllingthe manufacturing processes. Computerized control and sophisticated electro-nics can greatly enhance the efficiency and functions of production lines,and guarantee the quality of plywood products. Due to the shortage of woodresources and lack of advanced technology, the plywood industry in Chinais also facing a lot of difficulties. Some effective measures, therefore, mustBe taken to avoid the disadvantageous impact on production. These measuresmainly include the extensive production of plywood raw materials as indi-cated above, increasing the wood utilization efficiency, decreasing materialcomsumption in manufacturing processes, promoting product diversity andimproving product quality.

随着适宜于制造胶合板的木材供应减少和价格上升,胶合板生产的优势地位已受到相当大的影响。小径材或速生材的利用及胶合板用材树种的扩大是发展胶合板生产最重要的措施。变革胶合板生产工艺可以开发利用新的原料来源、提高劳动生产率、降低生产成本、并使产品多样化。计算机控制和先进的电子技术大大地提高了胶合板生产线的效率和功能,并保证了产品的质量。

Leafˊs″Saw-tooth″ model of woven fabric has been cmployed in this paper. Elastic properties of weft and warp laminae arc analysed. Then modulus of triaxial woven fabric composites is obtained.

采用Leaf提出的锯齿形织物的几何模型,对纬纱方向层板和经纱方向层板进行应力-应交分析。最后得出三轴织物复合材料的模量分量。

 
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