查询词典 parabolic

On the condition of electric-longitudinal-optical phonon strong coupling in both two- and three-dimensional parabolic quantum dots, we obtain the eigenenergies of the ground state and the first excited state, the eigenfunctions of the GS and the first ES by using a variational method of Pekar type.

在电子-体纵光学声子强耦合情况下，我们采用Pekar类型的变分方法获得了二维和三维抛物势限制的量子点中的电子的基态和第一激发态的本征能量和本征波函数。

By means of a priori estimates, a nonexistence theory for a class of quasilinear parabolic equations is established.

在第一章中，利用ODE方法，证明了一类散度型拟线性椭圆型方程边值问题径向解的存在性。

This paper is devoted to a further study of the problem of interfacesfor several kinds of quasilinear degenerate parabolic equations.

本文旨在对分界面问题作进一步探讨。

In chapter two ,we consider the Expanded Mixed Finite Method for the following quasilinear parabolic integro-differential equation.

在本章中我们给出了拟线性抛物问题的混合体积元的变分形式，并利用该方法得到了其真解与离散解的最优L~2模误差估计。

In this paper, we consider the Expanded Mixed Finite Element Method for the 2nd quasilinear parabolic problem and the 2nd quasilinear hyperbolic problem.

本文中我们采用扩展混合有限元方法数值模拟了二阶拟线性抛物问题和二阶拟线性双曲问题。

Chapter four is on nonexistence of entire solutions of quasilinear parabolic equations .

用积分方法给出了一类拟线性椭圆型方程径向整体解存在的一个充要条件，推广了已有的结果。

The properties of a rotationally symmetric parabolic X-ray lens are studied theoretically and numerically in this paper.

本文给出了旋转轴对称抛物面型X射线组合透镜的理论研究成果。

Again we present a spot diagram with the same fields as above except that were changed the focal ratio of our sample parabolic mirror to f/8, doubling the focal ratio.

我们还是用上图，只是改变焦比，把焦比改成F/8

Again we present a spot diagram with the same fields as above except that we抳e changed the focal ratio of our sample parabolic mirror to f/8, doubling the focal ratio.

我们还是用上图，只是改变焦比，把焦比改成F/8

Some conventional optical antennas like hemispherical lens, compound parabolic concentrator, Cassegrain telescope were analyzed with the software of ZEMAX.

针对非视线大气光通信的需求，利用ZEMAX软件对半球透镜、复合抛物面聚光器和卡塞格伦望远镜等光学天线进行了性能分析。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。