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composite material
相关语句
  复合材料
     Research on Design Theory in Composite Material Cable-Staved Bridge
     复合材料斜拉桥设计理论研究
短句来源
     Synthetical Evaluation of Composite Material of Bone Morphogenetic Protein, Decalcified Bone Matrix and Bone Cement
     骨形成蛋白脱钙骨基质颗粒骨水泥复合材料的评价
短句来源
     Theoretical and Experimental Study of Active Vibration Control of Intelligent Composite Material Structures with Embedded Piezoceramics
     埋入压电材料的智能复合材料结构振动主动控制理论和实验研究
短句来源
     Study on Transparent Composite Material of Polystyrene by the Core-Shell Emulsion and Suspension In-Situ Polymerization
     乳液——悬浮原位聚合反应制备透明聚苯乙烯复合材料的研究
短句来源
     Research on the Preparation and Properties of Silver Tin Oxide Composite Material
     银氧化锡复合材料的制备及性能研究
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  “composite material”译为未确定词的双语例句
     TiC/Ni/TiC Multilayer Composite Material by SHS
     TiC/Ni/TiC材料的SHS合成研究
短句来源
     Preparation and Characterization of Tb(DBM)_3phen/APTES-SBA-15 Mesoporous Composite Material
     Tb(DBM)_3phen/APTES-SBA-15介孔复合体系的制备与表征
短句来源
     Low expansion Al_2O_3-ZrO_2 composite material synthesized from In-ZrO_2 and y-A12O3 ultrafines
     用m-ZrO_2和γ-Al_2O_3超微粉合成Al_2O_3-ZrO_2系低热膨
短句来源
     SYNTHESIS OF SO_4~(2-)/ZrO_2/βZEOLITE AS A COMPOSITE MATERIAL FOR ISOBUTANE/1-BUTENE ALKYLATION
     用于异丁烷/1-丁烯烷基化反应的SO_4~(2-)/ZrO_2/β分子筛复合催化材料的合成
短句来源
     The aluminum alloy Al8%Sn2%Si2%Pb08%Cu02%Cr is a new composite material for bush , but it's liquid needs to be stirred because of producing density segregation.
     Al8%Sn2%Si2%Pb0 8%Cu0 2%Cr铝合金是具有优越性能的复合轴瓦材料,但容易产生比重偏析,需要进行搅拌。
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  相似匹配句对
     Magnetostrictive Composite Material
     粉末冶金粘结磁致伸缩材料
短句来源
     Malimo Composite Material
     生产复合材料的针织缝编技术
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     Material
     实验材料
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     Material
     实验材料与方法
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  composite material
It is shown that the glass melt formed in the course of the chemical reaction encapsulates zirconium boride particles, thus imparting high-temperature strength to the composite material.
      
Dielectric Properties and Phase Transition in the PbSe + PbSeO3 Composite Material
      
It is shown that the glass melt formed in the course of the chemical reaction encapsulates titanium boride particles, thus imparting the high-temperature strength to the composite material.
      
The Behavior of Composite Material Reinforced with Carbon Fibers under the Effect of High-Temperature Gas Flow
      
The gas delivery system utilizes a porous diaphragm from a carbon-carbon composite material whose pore size is comparable with the Debye radius of the electrons of plasma formed in a discharge channel.
      
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The main exertion of this writing is to investigate the condition of stress and deformation caused by a cylindrical inclusion of circular cross section, which possesses different coefficient of expansion as the material of the vicinal region, in a semi-infinite elastic solid, when the composite body is subjected to the same relatively high temperature. It was so arranged that the axis of the cylindrical inclusion is parallel to the free surface of the semi-infinite elastic solid; c represents the distance from...

The main exertion of this writing is to investigate the condition of stress and deformation caused by a cylindrical inclusion of circular cross section, which possesses different coefficient of expansion as the material of the vicinal region, in a semi-infinite elastic solid, when the composite body is subjected to the same relatively high temperature. It was so arranged that the axis of the cylindrical inclusion is parallel to the free surface of the semi-infinite elastic solid; c represents the distance from this axis to the free surface, while a0 is the diameter of the cylinder. In order to let the cylinder totally buried, we have to request that c > a0.The whole composite body was thought to be heated to a uniform temperature TO-On account of the different coefficients of thermal expansion of the two materials, the evoked stresses must be proportional to the difference of these coefficients.But the same stress and deformation condition will also take place when the two materials possess the same coefficient of expansion, and the inclusion is heated to the temperature T0 solely, while the rest of the composite body is kept at 2ero temperature.With the y-axis lieing in the free surface and the x-axis perpendicular to it, we have to, according to the case with two different coefficients of thermal expansion, solve the following differential equations:where η0 means the difference of the thermal expansion coefficients, v the Poisson ratio,the thermal displacement function, R =It was found that the following two thermal displacement functions do satisfy the two differential equations (1) outside und inside of the cylindrical inclusion respectively, while K represents a composite material constant.Nevertheless, the thermal displacement function has further aroused a boundary value problem of pure elasticity nature, which is solved with the usual methods presented in the theory of elasticity.When the two partial solutions are superposed, then we get the following complete solution of the announced problem: Finally, it is still necessary to remark, that some data were unfavourably chosen so as to have rendered that the resulting maximum stresses, in the numerical example, surmount already the elastic limit of the related material. We have to ask our reader to consider the material so as to have a higher elastic limit, because the author has obstinately hesitated to take new values and then to repeat a rather large scale tedious numerical calculation.

在许多工业机具的设计中,有时需要把弹性系数相同但热胀系数不同的两种材料组成一个组合机体,同时这种机体又得处于相当高的温度之下;由于两种材料的热胀系数不同,所以必然会引起比较复杂的热应力.在考虑这种机具的使用安全和设计经济时,需要较详尽地知道其中的应力和变形的规律. 本文选园柱体作为异质体,另一个机件是半无限弹性体,利用埸论中的有关原理先把热弹性问题化成弹性力学边界值问题,并用Fourier变换求得了解答.

The theory of tensile strength of composite materials are considered In eluded are analyses of tensile strength of fibers, fiber boundles and the different failure machanisms of composites.Most of the reinforcing fibers presently in use are known fo be brittle with a wide scatter in their tensile strength values, and a statistical approach is then called for the discription of strength characteristics of fiber, fiber bundles and conposite materials. In this paper, the probability desity funcfion...

The theory of tensile strength of composite materials are considered In eluded are analyses of tensile strength of fibers, fiber boundles and the different failure machanisms of composites.Most of the reinforcing fibers presently in use are known fo be brittle with a wide scatter in their tensile strength values, and a statistical approach is then called for the discription of strength characteristics of fiber, fiber bundles and conposite materials. In this paper, the probability desity funcfion to present the strength distribution of a single fiber is of the weibull form and that for large bundles the Gaussian type. The above information is ultilized to form theoretical models of composite strength. Both the cumulative weaking model with or without stress concentration are considered.Most recent works are summerized. Experimental data are compared to the analytical results and review be given in this study.

本文介绍复合材料的轴向拉伸强度的理论。涉及纤维、纤维束的强度和复合体的拉伸破坏型式分析。 常用纤维加劲材料,大都是脆性纤维。脆性纤维强度变化幅度很大,为此纤维复合材料,须用概率论方法来分析。本文按纤维强度分布为Weibull型,纤维束强度分布为Caussian型,而后采用环链模型理论,就考虑和不考虑应力集中来分析复合体强度。 本文中介绍了新近的科研成果,有理论与实验的验证材料和评论。

In this paper the advanced technology for current helicopters is described from three aspects, aerodynamics, dynamics and the application of composite materials. Besides, a general survey of the helicopter production in the weald is introduced in the beginning and some views on the development of helicopters are taken at the end.

本文叙述了现代直升机先进技术的三个方面;直升机空气动力学,直升机动力学和复合材料在直升机上的应用。此外,在文的开头,介绍了世界上直升机生产的一般情况,而在文的末尾,谈了一些对直升机发展的看法。

 
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