束缚

In the paper, the collision of a single-walled carbon nanotube with two graphitic patches has been simulated by tight-binding molecular dynamics method.

本文主要采用紧束缚分子动力学方法对单壁碳纳米管与石墨片的碰撞进行模拟计算。

In the second part, the collisions of carbon nanotubes with graphitic patches have been numerically simulated by molecular dynamics method with tight-binding potential and Tersoff potential.

第二部分采用紧束缚势和Tersoff势结合分子动力学方法对碳纳米管与石墨片的碰撞进行模拟计算。

Large city urbanites are also more likely than their small town counterparts to have a cosmopolitan outlook, to display less responsibility to traditional kinship roles, to vote for leftist political candidates, and to be tolerant of nontraditional religios grouts, unpopular political groups, and so-callde undesirables.

与小地方的居民相比，住在大城市的人更可能有见多识广的观念、更不会受传统的亲戚关系责任所束缚、更可能给左派政治候选人投上一票，以及更可能宽容非传统的宗教团体、不受欢迎的政治组织或所谓不尽人意的东西。

The work of Western intelligence is becoming gummed up with legal protocol.

西方情报组织的工作开始受到法律条文的束缚。

Considering the curvature effect on hooping of nearest-neighboring carbon atoms of armchair carbon nanotubes, the energy band, density of state and velocity of electron of armchair SWNT were analytically derived by using the tight-binding model and Born-Karman boundary condition.

在考虑曲率效应对扶手椅型碳纳米管最近邻碳原子交叠积分影响的情况下，利用紧束缚模型和玻恩－卡门边界条件解析地推导扶手椅型SWNT的能带、态密度和电子公有化运动速度，对扶手椅型SWNT电子性质的分析发现：考虑曲率效应后扶手椅型SWNT仍然是金属管，但其能带的总能减小，其态密度的导电平台变窄且其电子公有化运动速度变小。

Lots of investigators' interests, in the problem of an electron bound to a hydrogenic impurity and interacting with the longitudinal optical phonon field of an ionic crystal or a polar semiconductor, have been main- tained over years.

采用线性组合算符和么正变换方法研究强弱耦合情形下，库仑场中束缚光学极化子的基态能量、振动频率和平均声子数与温度的关系。

The scaling rule for hydrogenic impurity binding energy and the Virial theorem value in quantum wells and wires of rectangular cross section with three different section ratios are studied through the variational method.

利用变分法计算了矩形量子线和量子阱中类氢杂质束缚能的度规法则和维里定理值。

Based on a spherical shell structure and the graded finite potential well model, shifts of bound states caused by the interface effects on the binding energy level of hydrogenic impurities in a weakly-confined spherical semiconductor quantum dot heterostructures are studied.

采用球壳结构和渐变有限深谐振子势阱模型，利用镜像电荷的方法分析了不同介电常数下，界面效应对半导体量子点异质结中类氢杂质电子束缚能级的扰动情况。

Relation of hydrogenic impurity binding energy,effective Bohr a _ and virial theorem value and quantum dots size and studied variationally by using variational wave functions of containing two parameters.

选用含有2个变分参数的波函数，利用变分法计算了无限深球形量子点中施主杂质态的束缚能、杂质有效玻尔半径、维里定理值等随量子点尺度的变化关系。

The ground-state energy and the average number of virtual phonons around the electron of a hydrogenic impurity confined in a parabolic quantum dot are calculated using the squeezed-state variational approach,which is based on two successive canonical transformations and uses a displaced-oscillator type unitary transformation to deal with the bilinear terms,which are usually neglected.

李伟萍 内蒙古赤峰学院物理与电子信息工程系，赤峰 024000肖景林内蒙古民族大学物理与电子信息学院，通辽 028043采用基于逐次正则变换的变分方法，利用单模压缩态变换处理包含声子产生湮灭算符的双线性项，研究了抛物量子点中束缚极化子的性质。

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。