查询词典 tensile stress

At first, starting point and hypothesis used to establish yield criterion of powder metals have been comprehensively and profoundly investigated and then the stress at the location of porosity has been supplementarily defined, Moreover, on the basis of Mises's yield criterion, author proves that yield surface of powder metals is a rotative ellipsoid surface in principal stress.

因此，关于粉末体塑性加工理论问题的研究，引起了人们极大的关注。本文在分析国内外大量文献基础上，着重对粉末体塑性理论中的屈服准则和流动应力进行了理论分析和实验研究。

The new method gives out a set of equations based on the fundamental algebra rules that principal stress trace obeys and the essential attributes it possess, we then combine these equations with further information described in this paper leading to an exact description of the conic representing the principal stress traces.

该方法是根据主应力迹线满足过任意三条等倾线的主应力都可以用二次曲线来描述这一条件，再利用主应力迹线本身所具有的性质列出方程组解算出描述主应力迹线的一元二次方程，然后根据方程描绘出所求的主应力迹线。

From the angle of enterprises management, the necessity of work stress is discussed along with its internal and external causes and the discerning way.Based on the realities of enterprises in China,the principes and tactics of stress management are given.

从企业管理的角度讨论了进行员工工作压力管理的必要性，工作压力产生的内外部原因以及识别工作压力的方法，并结合我国企业的实际情况提出了压力管理的原则和策略。

In main stress trace protraction , based on the character of main stress trace , propose an automatic method

研究了一种简便快速的主应力迹线自动化绘制方法。

Based on the elasticity theory axial symmetry question quasi static, the back lining material stress characteristics were analyzed. Using photoelastic theory and thermal stress theory, the influence of temperature to the optical fiber phase constant was analyzed.

首先从弹性力学轴对称问题的准静态理论出发分析了背衬材料的应力特性，并用光弹理论及热应力理论分析了温度改变对光纤相位常数的影响，得出了温度影响干涉式光纤水听器光学相位输出的数学表达式。

Considering the real wheel/rail geometry and boundary condition, the distribution of elastic-plastic stress in the rail-joint, the effect of the inclusion and crack in the rail surface on the distribution of elastic-plastic stress in railhead are analyzed by using software ANSYS.

本文以大型有限元软件ANSYS为分析工具，同时考虑车轮和钢轨真实的几何形状及边界条件，分析了钢轨接头位置弹塑性应力场、钢轨表面点状缺陷和条纹状钢轨表面缺陷对钢轨接触应力场的影响。

Such a discontinuity or stress raiser causes a local increase of stress.

此类的不连续性或应力集中源会引起应力的局部增加。

Responses of oil rape to low boron stress varied greatly in species, its very important to study the physiological and genetic mechanisms of tolerance to low B stress for providing the base of genetic improvement of rape and oil crops production in China.

不同油菜品种对低硼胁迫的响应存在很大差异，研究其耐低硼胁迫的生理和分子遗传机制，为对其进行遗传改良奠定基础，对于我国的油料作物生产意义重大。

There were postive influence of temperture and rain on stress . The lower temperature, the lower feeling of stess. When it rained, the feeling of stress rase.

一、天气因子中以温度以及降雨与否对於三项压力均有显著影响，其中温度越低对於压力的感受越高，当降雨产生时对於压力的感受也越高，而雨量多寡仅对心理压力有正面显著影响。

Recursion formula of strain was developed by incremental method in condition of variable stress and constant stress in each time step separately,and calculating program was compiled,which is in agreement with test results.

分别按每个计算步长内应力为变值和常值，采用增量法推导了每个计算步长内收缩徐变的递推计算公式，并编制了相应的计算程序。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。