电荷分布

The potential produced by a charge distribution on the self affine set and its analytic properties are studied.

研究了关于自仿集上电荷分布的势论及有关分析性质。

With the help of the variable separation transformation and the Laplace-equation, the distribution of the electric field inside a parallel-plate capacitor with a convex of a semi-round-post scar or a convex of semi-ball scar is investigated.

利用分离变数法和势的拉普拉斯方程分别讨论带有半圆柱形凸出疤和半球形凸出疤两种缺陷的平行板电容器内电场分布；通过对疤上电量的计算，从电荷分布的微观解释出发，得出一些有益的结论。

The electronic structures of Dawson anion(S2Mo18O62)4- have been calculated by the discrete variational method coupled with the first principal density functional theory.And the comparison with Keggin anion(SMo12O40)2- has been made.The results show that the electrons delocalize around the all anion.But the difference of the electronic distributi on of polar and equator sites exists.

使用第一原理密度泛函理论中的离散变分方法对（S2Mo18O62）4-的电子结构进行了理论计算，并与Keggin结构（SMo12O40）2-的电子结构作了比较分析，结果表明，（S2Mo18O62）中的电子离域地分布在整个阴离子骨架中，但极位和赤道位原子的电荷分布有明显差异。

The calculational results are in good agreement with the X-ray data and show that different substitute group results in different charge distribution, the exocyclic sulfur atom has the biggest negative charge value and this site is the most likely site of protonation and methylation as well as the potential coordination site with metallic ions.

计算结果与X-射线衍射数据相符合，并显示虽然不同的取代基导致了不同的电荷分布，但四唑环外的硫原子总是具有最大的负电荷分布，从而使其成为最有可能的质子化、甲基化及与金属离子进行反应的点位。

At first,the curve of charge distribution,ionizable state of nonisothermatity sphere,Was obtained by computer to calculate ionized state according to distribution data of temperature and dinsity within Earth. Secondly,the pussibility of microgravitational testonosphere,Within the isothermality sphere,was found by balance between pressure and volumetric forcein Earth's interior.The thickness is 1 000 km or so.Finally,the result come into commom use various geophysical process withi...

首先依据地球内部温度和密度不均匀分布数据，用计算机计算它的电离状态，得到非等温分层电离状态的电荷分布曲线；其次从地球内部存在的流体压力与两类体积力：重力和静电力的平衡方程讨论中，发现在某一等温层内可能存在微重力构造圈，其厚度约为1000km左右；最后在地学研究向整体化和深部化发展趋势下，预期这个结果将有助于理解地球深部发生的各种物理过程且与地震S波在核－幔之间层中消失观测事实相一致。

The formation process of different surface topographies and their micrographic characters in low density polyethylene was studied in this paper.

电介质材料中的空间电荷分布可以改变介质内部的局部电场分布，从而影响介质材料的电导和击穿等过程

Basing on the poission's equation of charge distribution and the transport equation of carriers, and considering the carriers' density of states as the two Gaussian distributions because of the energy disorders of organic molecules, we have studied self-consistently the effect of doping concentration and disordered degree on the mobility of carriers in the Alq3 flexible organic light-emitting diodes.

基于电荷分布的泊松方程和载流子输运方程，考虑最低能量非占据态和最高能量占据态的载流子态密度服从双高斯分布的模型，我们自洽地研究了掺杂浓度和无序对Alq3柔性有机发光二极管载流子迁移率的影响。

At least two functions are necessary to characterize the distribution of space charge in solid dielectrics.

表征固体介质中空间电荷分布特性，至少需要两个函数，一个是空间位置分布函数，另一个是能态分布函数。

The electronic structures of cluster Fe8 with D6h symmetry and Fe15 with Oh sysmmetry have been studied by MS-X method..The results show that(1 the exchange splittings of the d-band and the magnetic moments of the Fe-atoms are different in the two clusters;(2)the change distribution in both clusters is not uniform,showing that the electrons are transferred from peripheral atoms to inner atoms,and the spin-directionof the electrons transferred is in accordance with the symmetric characteristics...

用MS-Xα方法研究了Fe8原子簇（具有D6h对称）和Fe15原子簇的电子结构，结果表明：（1）两种原子簇中的Fe原子磁矩及其d能带中的交换劈裂性质互不相同；（2）两类原子簇中的电荷分布不是均匀的，电荷倾向于从外围原子向内部原子上转移，并且被转移电子的自旋方向与原子簇的对称性质密切相关。

The study of characteristics of electric charge for charged dust particles by the Millikan testing method is introduced.

结果表明：尘土颗粒所带电荷的变化趋势可用一元三次多项式表示，电荷分布呈现带状区域，其所带的平均正电荷高于所带的负电荷。

I smile at your play with that little bit of a broken twig.

我微笑着看你玩那一段小小的树枝。

They may be produced for almost any shaft angle.

他们可能在制作中几乎任何一个轴角。