查询词典 Poisson ratio

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 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。

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。

The method can calculate the Young's modulus and Poisson's ratio of rock mass which include rock, structure surface and anchor rope.

这种方法可以算出含有节理的岩体的变形模量和泊松比，以及加有锚索后岩体的变形模量和泊松比。

In consideration of the convenience in FEM analysis, it is suggested that there is no need for reducing the values of elastic modulus and Poisson's ratio with SSR in slope stability analysis.

因此，为了便于强度折减有限元方法在边坡稳定性分析中的运用与发展，建议在有限元计算中不对弹性模量E与泊松比v进行折减。

It is analyzed that the rock's deformation parameters such as Young's modulus and Poisson's ratio are influenced by the change obliquity of anchor rope.

文中重点分析了在缷荷条件下，预应力锚索同一数量不同倾角的变化对岩体变形参数如变形模量E和泊松比ν的影响。

L / L Poisson's ratio varies from 0 to 1/2.

小形变情况下，虎克定律成立，应变与应力成正比。

The results indicate that the slope deformation decreases with the increase of the deformation modulus and the increase of Poisson's ratio, but horizontal displacement slightly increase.

研究表明，边坡位移随变形模量E的增大而减小；泊松比的增加，则会引起x方向的位移的增加，y方向的位移减小；而岩体密度对岩石边坡位移的影响甚弱。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。