查询词典 optically anisotropic

In this paper, we adopt two types of model of a three-level atom in a double-band photonic crystal described respectively by isotropic and anisotropic dispersion relations at the band edges.

在本文中，我们采用双带光子晶体中的两种三能级原子模型，它们分别由禁带边缘的各向同性和各向异性的色散关系描述。

On this basis, we further analyze the situation of backward wave in anisotropic metamaterials with different dispersion relations, and the angle between wave vector and Poynting vector, and the general conclusion of backward wave propagation are obtained.

在此基础上，进一步分析了几种不同色散曲线关系的各向异性超常材料中倒退波的产生情况，获得了电磁波波矢和坡印亭矢量夹角的具体表达式和倒退波传播的一般性结论。

The paper systemetically investigates the hydrolic properties of the level swirling inner dissipator and the factors which influence on it by model test on the one hand, on the numerical simulation hand, the paper has simulated the swirling flow field in the level discharge tunnel with Anisotropic k-ε Turbulence Model by programming, in addition with Second-moment Renolds Stress Model by utilizing CFX software.

本文一方面通过模型试验的方法系统地研究了水平旋流内消能工流场的水力特性和影响因素；另一方面选取各向异性的K-ε模型和雷诺应力模型，分别用编程的方式和利用CFX软件数值模拟水平旋流泄洪洞内流场。

It is found that the spontaneous emission spectrum is anisotropic in the presence of Doppler broadening.

在多普勒效应加宽时，共振荧光光谱是各向异性的。

In chapter 7, theoretical research of the measurement of complex permittivity of uniaxial anisotropic materials by means of an electromagnetic open resonator has been made, and the double refraction phenomenon due to the anisotropy of measured dielectric materials has been analyzed quantitatively.

第七章对单轴各向异性媒质在电磁开腔中的场分布和复介电常数计算公式进行了研究，并且从理论上定性定量地解释了在实际测量中出现，一直没有得到确切解释的双折射现象。

In this paper, the elastic constant matrix for anisotropic carbon fiber-reinforced material is given by the measurement of ultrasonic wave velocities.

用声学方法测量了各向异性增强型复合碳纤维材料的弹性常数矩阵。

Objective To study the influence of white matter anisotropic conductivity on scalp electric potential distribution.

目的 研究脑白质各向异性电导率对头皮电位分布的影响。

The electromagnetic scattering problems with bi-anisotropic materials are studied elementally.

对双各向异性材料的电磁散射问题进行了初步的探索研究。

anisotropic medium, elliptic cylinder, scattering, mathieu functions, elliptic coordinates, dynamic stress concentration factor

本文利用椭圆坐标中的变量分离方法，由Mathieu函数给出了各向异性介质中椭圆柱面对SH波散射

In this paper, the analytic solution for scattering of SH-wave by elliptic cylinder in anisotropic medium is given by the method of separation of variables in elliptic coodi- nates and Mathieu functions.

对于这一课题的研究，介质为各向同性时，有些学者采用波函数益加〔，积分方程技术田和Fourier积分方法⑧；介质为各向异性时，有些学者则利用复变函数构造解的完备函数序列，把间题转化为对一组无穷型的代数方程的求解〔魂，〔5，。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。