查询词典 shear modulus

A first order shear deformation theory of piezoelectric shell was proposed, which is based on Hamilton's principal, linear piezoelectricity theory and first order shear deformation laminated shell theory.

提出了一种压电层合板壳的一阶剪切变形理论。

Flory found for the first time that the zero shear viscosity of thepolymer in melt is proportion to its molecular weight for flexible polymersin 1940. Hereafter Fox and Flory found that the zero shear viscosity isproportion to M〓 when the molecular weight is above the critical value,and is proportion to M when below the critical value.

1940年Flory首先发现对于柔性链聚合物而言，其液态的零切粘度同其分子量成正比；此后， 1948年Fox和Flory发现当聚合物链的长度超过某一临界值时，粘度与分子量的3.4次方成正比，而在临界值之下时粘度与分子量的1次方成正比。

A further analysis of the structural systems having combination of RC shear-wall with block wall is worked out, calculation of seismic action is performed, a formula for computation of principle of work in coordination between RC shear-wall with block wall is put forward, and the program for computation source is given.

对钢筋混凝土剪力墙—砌块墙组合结构体系又进行了进一步分析，进行了地震作用计算，提出了钢筋混凝土抗震墙与砌块墙协同工作的计算公式，给出了计算源程序。

Concretely, firstly with Timoshenko beams, the fundamental formulae of solutions of dynamical equations, boundary conditions and initial conditions have been transformed by Laplace transformation. Secondly, in the Laplace regions , we gain the analytical solutions of impact forces at the impact contact points, shear and maximum inverse stress of beams. Then, by using Durbin numerical inverse method, we gain the numerical solutions of Timoshenko beams under various restriction conditions. Moreover, the graphs about impact forces at the impact contact points, shear and maximum inverse stress of beams can be obtained too.

把Timoshenko梁力学模型动力学方程的基本解形式、边界条件以及初始条件进行Laplace变换，在Laplace区域得到了冲击接触处的冲击力、整个梁的最大弯曲应力和剪力的解析解，然后利用Durbin数值反演的方法得到了各种约束条件下的Timoshenko梁模型时间-空间的数值解，得到了冲击接触处的冲击力、梁各处的最大弯曲应力和剪力的曲线图。

Moment and shear geometric sequence method is based on moment and shear distribution method.

本文所介绍的弯矩剪力等比数列收敛法是以弯矩剪力分配法为基础，通过采用适当的弯矩、剪力的传递方式。

Optical-Shear technique was utilized to study the structure evolution of two model immiscible polymer under shear and quiescence conditions.

以此为基本出发点，首次考察了粒子填充不相容体系的分散结构的在流场下的动力学响应。

The main results of the study are obtained as follows:1 In order to analyze and study the physical and mechanical characteristics of Lianyungang marine soft clay deeply, large numbers of basic mechanical characteristics tests and tri-axial shear tests are completed.2 In order to investigate the loaded and failure characteristics of the cement-soil, the cement-soils for the different ratio and different cure time are studied in the laboratory, and their unconfined compression tests and tri-axial shear tests are performed.3 Based on the solution of one-dimension consolidation, the one-dimension consolidation of the double-layered foundation is solved for two-grade loading in virtue of transcendental equation; Simultaneously, the one-dimension consolidation of the double-layered foundation is solved by means of Laplace transform for two-grade loading, and Stehfest numerical transform is applied in Laplace's inverse transformation; Furthermore, according to the practical foundation shapes, the consolidation models of the soil between piles and the substratum are built and solved respectively.4 The effect of each parameters on the consolidation of the double-layered foundation is discussed, and the solution of load transfer method for double-layered foundation is applied in A1-A4 section of Lian-Xu expressway. The results of calculating settlement of the double-layered consolidation theory are basic agreement with the measuring settlement results.

取得了以下几方面的研究成果：1针对连云港海相软土进行一维固结和三轴剪切试验，深入分析连云港海相软土的物理力学特性。2模拟水泥土搅拌桩施工，在室内制备不同配比、不同龄期的水泥土试样，并进行无侧限抗压试验和三轴剪切试验，揭示水泥土的受力特性及破坏特性。3运用超越方程，以双层地基一维固结解析解为基础，推导出二级加荷条件下双层地基的固结解析解；同时，通过荷载传递法并借助Laplace变换对双层地基的固结问题进行了数值求解；此外，根据实际的地基结构，建立了桩间土和下卧层的固结模型并分别进行求解分析。4分析探讨了双层地基中各参数对双层地基固结的影响程度，并运用荷载传递法的解答计算了连-徐高速公路A1-A4标水泥土搅拌桩处理段的六个断面，计算结果与实测数据有较好的一致性。

To evaluate the effect of shear on deformation of beams, shear in beams under the action of a concentrated load is expressed in terms of a single-valued continuous inverse trigonometric function.

为了估计剪力对梁变形的影响，在集中力作用下梁内剪力用一个单值连续的反三角函数表示。

With a smooth inwall, the shear effect will be weaken for the reason of decrease of shear force.

内壁越光滑，物料越不易挂壁，物料层间的相对运动速度减小，剪切速度变慢。

Through the analysis of five calculation methods of shear velocity and roughness length (Z0), choose Kerman Prandtl method and log-parabola method as the methods to calculate shear velocity and roughness length.

本文通过对5种计算摩阻流速u*及粗糙长度Z0的方法分析研究，选择卡曼-普朗特方法和对数抛物方法作为本文计算摩阻流速和粗糙长度的方法。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。