查询词典 Poisson

Poisson's ratio represents the negative ratio of transverse and longitudinal strains.

泊松比的定义为样品横向应变与轴向应变的相反数。

In order to resolve this problem, we bring forward a modified algorithm and apply it to pre-stack inversion of reservoir parameters (Poisson ratio, P-wave velocity and density).

本文在前人研究的基础上提出了改进的模拟退火算法，同时利用改进的算法反演了地层泊松比、纵波速度和密度。

The elasticity module and the Poisson ratio can be identified simultaneously by this approach. The priori information is considered.

在反演中考虑了先验信息，并对该方法的抗噪音能力进行了考察。

The influence of density of concrete,wave speed of specimen and Poisson s Ratio of concrete on early-age elastic modulus of concrete are studied.

利用超声波无损检测方法测定混凝土的早龄期弹性模量，研究了混凝土的密度、通过试件的波速以及混凝土的泊松比三个因素对早龄期弹性模量的影响。

A convergence acceleration technique based on functional asymptotic expansion and Poisson's summation formula is developed to raise the calculation efficiency of waveguide dyadic Green's functions which are expanded in infinite series.

为此，作者提出"谱展开边界元法"，以求解波导外空间的并矢Green函数；引入边界元法以求解波导壁内折曲缝隙腔的并矢Green函数；并研究了无穷级数的逐级加速收敛变换，以解决波导中Green函数的计算问题。

A linear statics analysis, for example, will require an elastic modulus, Poisson's ratio and perhaps a density for each material.

线性静力学分析，例如，将需要弹性模量、泊松比和密度为每一个可能的材料。

Poisson's Ratio - the ratio of the stretch perpendicular to and in-line with the stress.

垂直拉伸和水平压力之比。

The results demonstrate that the addition of fiber can improve the bending strength of set cement by more than 30%, and the elastic modulus drops and Poisson's ratio increases with the blend quantity of carbon fiber increasing.

结果表明，纤维的加入可以使水泥石的抗折强度提高30%以上；随纤维掺量的增加，水泥石的弹性模量减小，泊松比增加；纤维在水泥石中的分布有效地阻止了裂纹的发展，增强了水泥石的韧性抗断裂能力。

It is shown by the friction material behavior tests that the friction material behavior is influenced not only by its mechanical properties, such as hardness, modulus of elasticity, yielding stress and Poisson's ratio etc., but also by its chemical constitutions.

通过对摩擦材料的研究说明：摩擦材料的性能不仅受材料的力学特性，如硬度、弹性模量、屈服应力、泊松比等因素的影响，而且还受其化学组成的影响。

The model has also shown to be robust regarding changes in Young's modulus, Poisson's ratio and yield stress since very small changes in stresses and deformations occurred when changing these parameters.

该模型也显示出强劲的有关变化的杨氏模量，泊松比和屈服应力，因为非常小的变化，压力和变形时发生改变这些参数。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我