查询词典 dimensional equation

The main properties of one-dimensional photonic band gap structures that include layers of negative refraction material are analyzed from the explicit dispersion equation. The results show that the photonic crystals containing negative refraction materials have wider photonic band gaps which is different from the case of traditional photonic crystals with narrow transmission bands when the two layers have the same optical thickness.

从色散关系出发，通过数值模拟计算研究了由正折射率材料和负折射率材料交替组成的一维光子晶体的能带结构与光子晶体的结构参数之间的关系。

We equaled the meshwork of micro channels to the resistance using the equivalent method of ion-solution and resistance. And coupling with the character of the two-dimensional separation solution and the laminar flow, we established a integrated equation of the electricity account and programmed with the software Matlab. And then we found the direction of the EOF and the range of the power control.

该方法采用离子溶液-电阻等效法，将芯片上的微通道网络等效为电阻网络，再利用基尔霍夫定律，结合MEKC-CZE二维分离时的溶液流向特点以及液流的层流特性，提出了一套完整的电流计算方程，并用Matlab软件进行编程，得到了各个阶段的电渗流的方向以及控制电压的范围。

Considing the complication of crenellated radial labyrinth geometry, a Taylor-Galerkin finite element scheme is developed to solve the multi-dimensional unsteady viscous convection-diffusion equation.

针对锯齿型迷宫密封几何形状的复杂性，发展了求解多维粘性非定常对流扩散方程的Taylor—Galerkin有限元法。

The synergetic effect of lower hybrid current driveand electron cyclotron current drivein tokamak plasmas is investigated by solving the two-dimensional Fokker-Planck equation and utilizing the technique of ray tracing.

本文通过求解Fokker-Planck方程和射线追踪技术，详细研究了托卡马克等离子体中，低混杂波电流驱动与电子回旋波电流驱动的协同作用，结果表明，这种协同作用有利于用EC波驱动电流

As an application, the corresponding results on the exact boundary controllability for n-dimensional quasilinear wave equation with rotation invariance are obtained.

作为一个直接的应用，作者对具有旋转不变性的n(n＞1)维拟线性波动方程建立了相应的局部精确边界能控性。

A three dimensional Navier Stokes equation is solved with a standard k ε turbulent model. Two experiments were carried out and the total pressure of jet flow was tested. Based on the tests, the differences between the calculated and test results were found to be 3% and 7% respectively. It proved that the results of calculation can well be used in engin...

研究采用数值计算和试验测量相结合的方法，控制方程为三维、雷诺平均 Navier- Stokes方程及 k-ε二方程的紊流模型，并且对该发动机进行了燃气流场的测试，对流场中的总压强进行了直接测量，进行了两次试验；在两次测点位置，试验结果与数值计算值相差分别为 3%和 7%；证明了对双喷管火箭燃气射流流场的数值计算具有了较好的精度，计算模拟结果可以用于工程设计中

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。