查询词典 exact solution

Activated carbon fiber ; fixed-bed ; adsorption ; breakthrough curve ; exact solution ; approximate solution

活性炭纤维；填充床；吸附；突破曲线；精确解；近似解

For the soil-pile-structure systems,an exact solution in time domain is developed to examine the validity of this approximate solution.

对于土-桩-结构系统，本文提出一种时域中的精确解法来考察这种近似解法的有效性。

According to the above-mentioned principle, we can transform the series solution of the boundary value problem of Laplace's equation in the wedge, rectangle and semi-infinite strip, sector region into an exact similarity solution with the source type singularity by similarity method.

本文即根据上述之原理，将楔形区域、矩形区域与半无限长条区域以及扇形区域三大类拉普拉斯方程式边界值问题之无穷级数解，化为具有相同数学结构之源型奇性相似精确解。

When the Hamiltonian system is introduced into the research of dynamic buckling in cylindrical shells, the problem uses dual variables in Symplectic space instead of variables in traditional Euclidean space. The symplectic eigenfunction expansion method gives out an exact solution space. So many problems are solved, which can not find the solution in traditional methods.

将哈密顿体系引入结构的动态屈曲研究中，其意义在于将结构的动态屈曲研究从传统的欧几里得几何空间进入到由原变量和对偶变量组成的辛几何空间之中，从而使辛本征函数展开的直接解析法得以实施，这样就可以求解许多以往半逆凑合法无法求解的问题，并且所得到的解空间是完备的。

Keywords: The algebraical Bethe ansatz; open boundary; exact solution; soliton solution

中文关键词：代数Bethe ansatz方法；开边界；精确解；孤子解

In the study of defect problems in elastic media, first, the uniform stress fields within a three-phase anisotropic elliptic inclusion in anti-plane shear is discussed; second, an exact solution is given for an edge dislocation in a three-phase composite cylinder model with a sliding interface; finally, an analytic solution is derived for two circular inclusions with circumferentially inhomogeneously imperfect interfaces interacting with a circular Eshelby inclusion in anti-plane shear.

在对弹性介质缺陷体问题的讨论中，我们首先探讨了面外剪切变形下各向异性三相椭圆夹杂中均匀应力场；其次研究了具有滑动界面的三相圆柱复合模型中的刃型位错问题；最后分析了面外剪切下具有环向非均匀界面的两个圆柱异相夹杂与一个圆柱Eshelby夹杂的相互作用问题。

The exact solution for unlimited long strip plane membrane is obtained by analytical method,and discussed with the approximate solution by energy method.

在垂直于板的载荷作用下，平衡方程为σx2wx2+σy2wy2+2τ2wxy=qh[2]。这个方程虽然是在变形后建立的，但载荷的大小和方向是不变的。

To compute the solution to the nonlinear equation of pressure in the Riemann problem for the pressure grdient equations, the Godunov scheme gives a reasonable approximate value for the exact solution. By using the Newton-Ruphson iteration method and some necessary computation, we get the inter-cell numerical flux directly.

为求压差方程黎曼问题中关于压力的非线性方程的解，Godunov格式给出一个合理的初始近似值，利用Newton迭代法和一些必要的计算得到格式中的数值流。

This dissertation also studies the exact reconstrction theory, reconstruction conditions, mathematical consistency and parameter freedom, and the author's viewpoints about exact reconstruction theory are given finally.

对三维锥形束精确重建的算法理论、重建条件、数学一致性、参数自由度等问题进行了系统的分析和总结，并且给出了作者的一些观点

Exact formulae for bit error probabilities of the considered system are derived, and a set of numerical results both for the exact formulae and Gaussian approximation are presented.

分析并得出了系统位错概率的数学模型，并给出了该模型和高斯近似模型的一系列数值仿真结果。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。