极化

The effects of the different substituent groups R on the system conformation, polarizability and the second hyperpolarizability are also different.

不同的取代基R，对体系的构型、极化率和二阶超极化率的影响也不同。

The conventional calculation models of electron displacement polarizability are summarized and their limitations are revealed.

分析了经典的电子位移极化率的计算模型，指出了这些经典模型在计算非对称双原子分子模型时存在局限性，提出了一种针对非对称双原子分子的电子位移极化率的计算模型。

Its static polarizability aand second-order hyperpolarizability γ are calculated by the use of a finite field approach.

通过有限场方法，我们计算了该分子的静极化率α和二阶高阶极化率γ。

Since optical nonlinearity is caused by electronic polarizability of materials on exposure to intense light beams, electronic polarizability is one of the most important properties that govern the nonlinear response of the materials.

由于非线性光学性质，是造成电子极化材料，暴露于激烈的光束，电子极化是其中最重要的物业管非线性响应的材料。

1The polarizability of a polymeric molecule with a polaron can be reversed by absorbing one photon.

具有极化子的聚合物分子可通过吸收一个光子而实现极化反转。

A small planar antenna combined with a printed circuit board. First and second ground layers formed on top and bottom surfaces of the dielectric layer, respectively, corresponding to each other; and a first antenna unit which extends from a side of each of the respective first and the second ground layers, for radiating a first polarized wave with the application of current.

一种与印刷电路板组合的小型平面天线，在具有预定厚度的介电层的顶表面和底表面上形成相对应的第一和第二接地层，第一天线单元和第二天线单元分别以预定图形从第一和第二接地层的一侧伸出，分别通过施加电流来辐射正交的第一极化波和第二极化波。

The microwave test method of space reflective wave was applied to study the attenuation characteristics of differently polarized wave scattered by microwave argon plasma jet in vacuum and its influencing factors.

在真空环境中，利用空间反射电磁波测量装置，开展微波等离子体喷流对垂直和水平极化电磁波衰减的实验研究，分析不同极化电磁波在等离子体中衰减的影响因素。

The microstrip antennas has the volume small, the weight light, the structure stable, the section plane low, the feed way nimble, the cost low, is easy and the flight vehicle line, is altogether easy to produce the plan polarized wave and and so on the merit.

微带天线具有体积小、重量轻、结构稳定、剖面低、馈电方式灵活、成本低、易与飞行器共行、易产生线极化波和圆极化波等优点。

We calculate the energy-momentum pseudo-tensor of relic gravitational wave of both the polarized states by Riazuelo-Uzan expression of the energy-momentum pseudo tensor in the Cartesian coordinates, we can see that energy density and momentum densities of relic GWs are dependent on cosmic scale factor and square of the amplitudes,. At the same time, the energy density of relic GWs is positive definite, the momentum densities components have reasonable physical behavior,and their values are independent on the directions.

我们还用Riazuelo-Uzan表述在直角坐标系下对双极化态的遗迹引力波的能量动量赝张量进行计算，发现双极化态的遗迹引力波的能量张量密度与他们的振幅的平方和宇宙学尺度因子有关，他们的能量密度是正定的，大小跟传播方向无关，即遗迹引力波在宇宙学尺度上是各项均匀同性的。

Then its rigorous derivation from electromagnetic boundary conditions, based both on reciprocity theorem and the concept of reaction, is presented.

极化维是一种重要的空间维资源，只有充分地认识极化域，才可能最大限度地利用空间资源。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。