查询词典 tensile stress

The stress field,especially the orientation of horizontal principal stress in vertically-fractured gas well,determines the azimuth of refracture creation and refracture propagation.

根据弹性力学理论和岩石破裂准则，裂缝总是沿着垂直于最小水平应力方向起裂，因此，重复压裂井中的应力场分布决定了重压新裂缝的启裂和延伸。

The purpose of this study was to explore the differences of parenting stress and social support of different background variables, and the relatedness of parenting stress and social support.

中文摘要本研究的目的在探讨影响不同背景变项的亲职压力和社会支持的差异性、忧郁症母亲的亲职压力与社会支持的相关。

The main contents and achievements are summarized as following: 1. The principle of tension leveling of metal strip is described systematically using relative tension and relative curvature on the basis of plane hypothesis including the stress distribution on the section, the condition to undergo plastic longitudinal elongation, the calculation of longitudinal elongation, the change of tension along the strip etc.. 2. The tension leveling process of metal strip on a multi-roll arrangement is investigated detailed by nonlinear finite element method and many rules to guide the strain, deformation, stress and bending moment are discovered and illustrated.

本文的主要内容和成果如下： 1、以平面假设为前提，采用解析分析方法，建立了以相对张力和相对弯曲曲率为基本参数的平面应变金属带材拉伸弯曲变形基本原理较为系统的描述，描述涉及到应力分布与两个基本参数的关系、带材塑性延伸的边界条件、带材延伸率的计算、带材张力变化的计算等。

Objective:Research Experimental animal Brachial plexus Nerve stress relaxation mechanics characteristic,For clinical provides the stress relaxation mechanics characteristic parameter.

目的：研究实验动物臂丛神经的应力松弛力学特性，为临床提供应力松弛力学特性参数。

It was found that the residual pulsant Reynolds stress term of coherent structures has the same order of magnitude with the Reynolds stress contribution term of random fluctuation and can not be ignored in the dynamic model of coherent structures. This is not as that estimated before.

研究发现，相干结构剩余脉动雷诺应力项在数值上具有和随机脉动对相干结构贡献的雷诺应力相同的数量级，表明在相干结构动力学模型方程中，相干结构剩余脉动雷诺应力项并不像以前佑计的那样可以忽略不计。

The residual pulsant Reynolds stress term of coherent structures was compared quantitatively with the Reynolds stress contribution term of random fluctuation based on theoretical analysis.

基于理论上对湍流相干结构动量方程中随机脉动对相干结构贡献的雷诺应力和相干结构剩余脉动雷诺应力项的分析，对两种雷诺应力项进行了对比研究。

The phase-averaged waveforms of residual' pulsant Reynolds stress term of coherent structures and Reynolds stress contribution term of random fluctuation during coherent structures burst process were extracted by conditional sampling and phase- average technique.

用条件采样和相位平均技术提取了相干结构碎发过程中相干结构剩余脉动雷诺应力和随机脉动对相干结构贡献的雷诺应力的条件相位平均波形。

In accordance with the needs of solving problems, mold experiments carried out are as follows:(1) Testing flexural normal stress, shearing stress and shearing force stagnant effect of molds of organic glass and load's lateral distribution coefficient of beam's ribs;(2) Testing rigid torsion and distortion effect of molds of organic glass;(3) Testing cap plates' vertical and lateral efficient load working breadth of molds of organic glass;(4) Testing lateral frame's bending moment of molds of organic glass within the range of their working breadth;(5) Experiment on respondency of dynamic force of molds of organic glass.

根据解决问题的需要，所作的模型试验有：⑴测试有机玻璃模型的弯曲正应力、剪应力、剪力滞效应和箱梁梁肋荷载横向分布系数；⑵测试有机玻璃模型的刚性扭转和畸变效应；⑶测试有机玻璃模型顶板纵向、横向荷载有效工作宽度；⑷测试有机玻璃模型载荷在工作宽度范围内的横向框架弯矩；⑸有机玻璃模型的动力响应试验。

Proline can enhance the stress resistance of plants, accumulation of proline is a kind of responsion to stress.

总之，当水稻OsCAS的表达受到抑制时，胞内Ca~(2 )信号途径被破坏，从而使植物的耐盐性下降。

The diversity of rhizobium and its stress resistance have close relations with the characters of drought, cold and hot stress tolerance in Ammopiptanthus mongolicus.

沙冬青根瘤菌的多样性及其抗性与沙冬青抗旱、抗寒和抗高温的特性有着密切的关系。

Dixie itself is a nickname for the American South.

Dixie 本身是美国南部的别称。

I think John Terry epitomises that and a big reaction is what we will be looking for.

而我认为特里就是这样一个典型，他正是我们期望看到的那个领秀。