查询词典 elastic

For the regular curves, we find two Killing fields for the purpose of integrating the structural equations of the p-elastic curves and express the p-elastica by quadratures in a system of cy...

对于正则曲线的情形，我们发现了两个用于求解p-弹性曲线的结构方程的Killing向量场并用积分将p-弹性曲线在一个柱面坐标系中表示出来，而对仿射星形曲线的情形，我们用积分方法解出了欧拉-拉格朗日方程，利用Killing向量场及线性李代数s1(2，R)、s1(3，R)和s1(4，R)的分类将高阶结构方程降为一阶线性方程，因此我们用积分完全解出了中心仿射p-弹性曲线。

For the regular curves, we find two Killing fields for the purpose of integrating the structural equations of the p-elastic curves and express the p-elastica by quadratures in a syste...

对于正则曲线的情形，我们发现了两个用于求解p-弹性曲线的结构方程的Killing向量场并用积分将p-弹性曲线在一个柱面坐标系中表示出来，而对仿射星形曲线的情形，我们用积分方法解出了欧拉-拉格朗日方程，利用Killing向量场及线性李代数s1(2，R)、s1(3，R)和s1(4，R)的分类将高阶结构方程降为一阶线性方程，因此我们用积分完全解出了中心仿射p-弹性曲线。

Based upon the theoretical analysis, a Quasilinear method of elastic-plastic finite element analysis is established.

本文在理论分析的基础上，建立了弹塑性有限元分析的拟线性法。

Because of the good characteristics of long range propagation and high sensitivity to damage, elastic guided wave is being a hot spot in the structure health monitoring community.

弹性导波由于其对损伤的敏感性和长距离传播特性，成为近年来结构健康监测领域的一个研究热点。

The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.

本文研究的主要内容如下：通过大量的计算、分析和对比，总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同，为深入了解异形截面柱的特点提供必要的基本概念和数据；通过大量的弹性及弹塑性计算分析，在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下，在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律，并在此基础上总结归纳出异形柱结构的最大适用高度规定，可用于规程，以便于在确定方案时起到宏观控制的作用；对肢长与肢厚比在4～5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨，提出初步的设计方法；通过对典型工程的弹塑性动力时程分析，检验异形柱结构的薄弱层及屈服、破坏、倒塌机制，以达到建筑物大震不倒的抗震设防要求；通过理论分析，推导出异形柱结构自振周期，以及适宜自振周期、适宜刚度的工程实用简化计算公式，为经济、安全、合理地确定结构方案提供简便实用的方法；在本文理论分析、计算以及大量的研究成果基础上，总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容，并在此基础上提出异形柱结构的抗震设计建议。

Applying this RMOP, we also studied the elastic scattering reaction of the unstable nuclei and come to some predictions on the proton-unstable nucleus scatterings.

这种方法可以给出对称和不对称核物质中核子自能的Dirac结构，消除了投影方法对结果带来的不确定因素，分析不对称核物质和有限核的性质能够得到合理的结果。

According to Snell law and Zoeppritz equation,the paper studies the rule of energy's distribution of elastic wave on the interface,obtain the rule of received energy variation with offset or angle,and also study the relation of the exploding freq...

根据Snell定理和Zoeppritz方程，通过水平层模型的正演模拟，研究了地震波在地层分界面上的能量与方位角关系，发现了地震反射波的能量在超临界角突然增强的变化规律。

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鑫达工艺制品有限公司是生产圣诞礼品、工艺品、玩具、服装、家具、包装、装饰、发饰、饰物用线绳带花边专用厂家，有多年专业经验，主要产品包括：各种金银吊线、圆包线、金银铁线、松紧线、扎线、橡根绳、扭绳、PP绳、棉绳、麻绳、针通绳、人造丝绳、韩国丝绳、尼龙绳、金魔带、金银扁带、丝绒带、特多龙带、尼龙缎带、格子带、圣诞装饰带、金葱带、雪纱带、印刷带、针织带、拷克边带，尼龙花边、水溶花边、网布花边、花边、内衣花边、安妮花边、领花系列、变针刺绣、蝴蝶结、中国结、流苏、时尚配件、手机绳、手机吊饰、手腕带、手折玫瑰花、宠物链圈、及其它代工、等五大系列一千多个品种。

Elastic fabric of silk, woven, containing 85% or more by weight of silk waste excl.

机织弹力丝织物，含蚕丝或废丝重量达85%或85%以上

Elastic fabric of jute or other textile bast fibres excl. flax, ramie and true hemp

弹力织物，黄麻或其他纺织用韧皮纤维织成（不包括亚麻、苎麻和真大麻纤维

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。