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有效弹性
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  effective elastic
     The "thermal" lithosphere of the Tarim Basin is 205~230 km, and the effective elastic thickness of the lithosphere is 66±7 km, along with 25~28 km for the crustal brittle-ductile transition depth; the total lithospheric strength is 1.6×10~ 13 ~7.8×10~ 13 N/m.
     “热”岩石圈厚度为205~230km,有效弹性厚度(Te)达66±7km,脆-韧性转换深度为25~28km,岩石圈总强度为1.6×1013~7.8×1013N/m。
短句来源
     The finite element model based on multiple scale homogenization theory is built for studying on effective elastic constant of tube sheet. The numerical result obtained is compared with effective elastic constants adopted by the ASME code, and relative error is less than 0.2%.
     根据多尺度均匀化理论建立了管板有效弹性常数研究的有限元计算模型 ,在弹性平面状态下 ,计算结果与ASME规范中采用的有效弹性常数进行了比较 ,其相对误差在 0 .2 % ,然后对管板中胀接管子的加强作用进行了研究 ,得到了管板有效弹性常数与胀接管子在孔间带效率为 0 .4时的变化曲线。
短句来源
     Study on Effective Elastic Constants of Tubesheets Homogenization-Based Theory
     基于均匀化理论的管板有效弹性常数的研究
短句来源
     EFFECTIVE ELASTIC THICKNESS OF THE OCEANIC AND CONTINENTAL MARGINAL LITHOSPHERES
     大洋和大陆边缘岩石圈有效弹性厚度的研究意义
短句来源
     Assuming a material to be an anisotropic aggregate of many tiny quasi- D_5 crystallites,we study elastic constitutive relation of quasi- D_5 crystals and then get the effective elastic stiffness tensor and the effective softness tensor for an anisotropic aggregate of quasi- D_5 crystallites under Voigt model and Reuss model,respectively.
     假设一材料是由大量的准D5晶粒集合而成(称为准多D5晶体),利用准D5晶粒的对称性研究D5晶粒弹性本构关系,然后基于Voigt模型和Reuss模型分别推导出准D5晶粒各向异性集合的有效弹性刚度张量和有效弹性柔度张量.
短句来源
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  effective elasticity
     For a blend containing 20 parts of PVB and 80 parts of NR, the glass transition temperature ( Tg ) of the Vulcanizates is-57℃, the effective elasticity is 81.5% and the heat build-up is 17.8℃, with higher tensile strength ( 2.4 MPa ) and lower hysteresis loss than those of NR.
     当PVB/NR=20/80(质量份)时,共混硫化胶的 T_g较低(-57℃),滞后损失较NR低,有效弹性为 81.5%,生热值为 17.8℃,拉伸强度(2.4 MPa)比 NR高。
短句来源
     Both material and damage are considered to be anisotropic. The expressions for the damage tensor, the effective elasticity tensor, the true stress tensor and the damage energy dissipation rate tenare also derived.
     还导出了计算损伤张量、有效弹性张量、真实应力张量以及损伤能耗率张量的实用表达式。
短句来源
     During analyzing, stress analysis of tube sheet, heat exchange tube, transition ring and shell are simplified to symmetry subject, and then a safe and economic tube sheet thick is determined by using the concept of effective elasticity constant according to the qualification method given in Steel Pressure Vessels -Design by Analysis.
     在分析中,采用有效弹性常数的概念将管板、换热管、过渡环和壳程筒体的应力分析简化为对称问题,然后根据“钢制压力容器- 分析设计”标准 J B4732 - 95 的评定方法,确定出了安全、经济的管板厚度。
短句来源
  “有效弹性”译为未确定词的双语例句
     The modeling also reveals that the increase of the elastic modulus ratio between the film and the substrate can improve the deflection value of the cantilever obviously.
     磁性薄膜与衬底材料有效弹性膜量比值的增加可以显著地提高悬臂梁的挠度值 ,同时挠度最大值向薄膜 /衬底厚度比减少的方向移动
短句来源
     On the Study of the Effective Lithospheric Elastic Thickness of the South-east Part of Arctic Ocean-Eurasia Continent-Pacific Ocean Geoscience Transect
     北冰洋—欧亚大陆—太平洋地学断面东南段大陆岩石圈有效弹性厚度研究
短句来源
     Hydrodynamic interactions are accounted for approximately by using the equilibrium-averaged Oseen tensor, and the formulas for elastic viscosity with hydrodynamic interactions are established for flow of dilute polymer solution applicable at low and high elongation rates.
     在Durst等人根据FENE哑铃分子理论建立的聚合物稀溶液在多孔介质中的Deborah数和用综合阻力系数建立的聚合物稀溶液在多孔介质中的有效弹性粘度公式的基础上,对这两个公式进行了推广,建立了不仅适用于聚合物稀溶液,也适用于聚合物浓溶液在多孔介质中的Deborah数公式和有效弹性粘度公式。
短句来源
     Micromechanical studies on effective moduli and microstructural size effect for γ-TiAl-based alloys based on micropolar theory
     γ-TiAl基合金有效弹性性能的微结构尺度效应
短句来源
     Deflection of composite beams are calculated by elaxtic rigidity method, improvement elaxtic rigidity method, semiempirical formula method, and mechanics of materials method.
     分别采用有效弹性刚度法、改进有效弹性刚度法、半经验公式法、材料力学截面分析法计算钢-混凝土组合梁的挠度,并与有限元结果和试验结果进行对比分析,指出了各种方法的适用范围。
短句来源
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  effective elastic
Plastic microhardness and the effective elastic modulus are studied by the depth-sensing indentation technique.
      
It is shown that, under the action of the magnetic field, the internal friction increases and the effective elastic modulus decreases, thus indicating an increase of sample plasticity.
      
Data on the propagation of slightly nonequilibrium phonons, ΔT?Tb (Tb is the cryostat bath temperature) in Y0.9Lu0.1AlO3 crystals with effective elastic scattering by rare-earth metal atoms are analyzed.
      
We predict a peculiar possibility of deducing the effective elastic moduli Kf and Q of an individual hydrocarbon chain from the analysis of the isotherm with such a crossover.
      
The effective elastic anharmonicity induced by exchange magnetoelastic interaction is investigated for easy plane antiferromagnets, in which an antiferromagnetic-ferromagnetic phase transition takes place.
      
更多          
  effective elasticity
It is shown that, in addition to the influence on the effective elasticity modulus, additions improve the sample microplasticity, which apparently increases the strength of the material.
      
We substantiate estimates of the upper and lower bounds of the effective elasticity modulus of piecewise homogeneous bodies.
      
Acta 44(1), 80-93, 2004b) for the orientational probability distribution function of the nematic polymer ensemble into the classical Mori-Tanaka effective elasticity tensor formalism.
      
In this paper we apply the techniques of homogenization to put the problem of determining effective elastic constants in a precise mathematical framework that permits us to derive an expression for the effective elasticity tensor.
      
The set of all effective elasticity tensors for transversely isotropic finite rank laminar microstructures is described.
      
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This paper briefly describes the calculation principles for the creep coefficient in the GFR-Code 《DIN-4227》. According to the delayed elastic deformation theory, a revised formula of the age-adjusted effective coefficient ρ is derived from the "Age-Adjusted Effective Modulus Method" asUsing the method proposed by the author, the calculation of the sedondary moment due to concrete creep in the continuous girder bridge constructed with the span by span method is analysed and discussed here.The main conclusions...

This paper briefly describes the calculation principles for the creep coefficient in the GFR-Code 《DIN-4227》. According to the delayed elastic deformation theory, a revised formula of the age-adjusted effective coefficient ρ is derived from the "Age-Adjusted Effective Modulus Method" asUsing the method proposed by the author, the calculation of the sedondary moment due to concrete creep in the continuous girder bridge constructed with the span by span method is analysed and discussed here.The main conclusions are as follows:1. The accurate value of the age-adjusted effective coefficient ρ is not necessary in the calculation of the secondary moment due to creep in the continuous girder bridge.2. We suggest that the applicable range of the coefficient p be 0.5 to 0.55 when the load is applied for a short time and 0.6 to 0.7 when applied for a long time.

本文简要介绍西德预应力混凝土设计与施工规范《DIN 4227》中对徐变系数(考虑滞后弹性的徐变理论)计算原则。作者根据滞后弹性变形理论对“有效弹性模量法”中的时效系数ρ和折算系数γ提出修正公式。对考虑滞后弹性由混凝土徐变引起的连续梁(逐跨架设)次内力计算进行了分析讨论。

A semiclassical approximation is used to evaluate the excited-state phonon frequencies for polydiacetylene from a general excited state Hamiltonian.It is noted that the difference between the spring constants K _i~σ in the σ -bond skeleton and the experimental effective spring constants K_i.K_i~σs are treated in a self-consistent way,then the excited-state frequencies can be determined immediately.The intensity of absorption corresponding to these phonons can easily be calculated,but has not been evaluated in...

A semiclassical approximation is used to evaluate the excited-state phonon frequencies for polydiacetylene from a general excited state Hamiltonian.It is noted that the difference between the spring constants K _i~σ in the σ -bond skeleton and the experimental effective spring constants K_i.K_i~σs are treated in a self-consistent way,then the excited-state frequencies can be determined immediately.The intensity of absorption corresponding to these phonons can easily be calculated,but has not been evaluated in this paper because we are interested only in their frequencies.

聚二乙炔是一种具有良好结晶的有机半导体材料.近年来,对它的结构和性质的研究引起了很多人的兴趣.聚二乙炔被当作一维结构来处理,把π电子和~σ电子分开来,认为具有P轨道的π电子垂直于链的平面,而σ电子可以用有效弹性常数来描述,其σ-链能量的改变是偏离平衡的σ-链的位移的函数.于是,从一般原理出发,建立基态和存在一个激子时的哈密顿,利用求解格林函数的方法,可求出态密度,进而求出E_π作为位移的函数.求激发态声子频率时,采用半经典近似的方法,我们注意到,在求声子频率时所用的弹性常数是对应于σ-链的K_(j+1,j)~σ,而在实验中所测到是有效弹性常数K_(j+1,j),我们推出了两者之间的关系(方程9),发现它与E_π的二阶导数有关,对其修正进行了数值计算,所得的结果与实验符合得很好.

Presented here is a discussion on certain elasticity characteristics of air spring and its application to vibration-grinder. Based on experimental results, the characteristic equation of a bag-shaped air spring, the calculation of its stiffness are introduced, and the simplified formulas for calculating the effective section of elasticity and its intensity are proposed. For industrial use, the selection of the air pressure inside the bag of the air spring under normal state is also indicated.

根据试验结果首先引证和导出了空气弹簧的特性方程及其刚度,进而提出有效弹性截面和强度的计算方法。在应用上以MGZ型高效率振动磨机的研制和应用为依据,给出了空气弹簧在标准状态下的气压选择公式,以及在动载状态下气压的控制准则,肯定了空气弹簧作为积极隔振的弹性元件在工程中的地位。

 
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