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atom model相关的网络例句

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Unfortunately, it has been shownthat these methods are not suitable to study about chemical bonds due to not involvingchemical bonds. In order to consider chemical bonds obviously, we have proposed an atom-bondelectronegativity equalization model on the basis of density-functionaltheory and electronegativity equalization principle. The main contents of our atom-bond electronegativity equalization model contain:(1)Considering the fact that there are varies of chemical bonds in molecules andpartitioning the molecular electron density as summations of atomic electron densitiesand chemical bond's electron densities, we obtained the basic equations of atom-bondelectronegativity equalization model: the expression of the total energy 〓, theexpression of the atom electronegativity 〓 and the expression of the bondelectronegativity 〓.

为了明确地考虑和处理分子中存在的化学键,以便能够更好地描述体系中的电荷分布进而准确地描述分子体系中的有关物理化学性质,尤其是与化学键有关的物理化学性质,我们在密度泛函理论和电负性均衡原理基础上提出了原子-键电负性均衡模型,原子-键电负性均衡模型的主要内容是:(1)考虑到分子体系中存在各种化学键这个事实,将分子空间看成是由原子区和化学键区组成的,将分子的单电子密度表达成为分子中各组成原子的单电子密度和各化学键的单电子密度的加和,从而得到了原子-键电负性均衡模型的基本方程:分子体系总能量〓和分子中原子电负性〓和化学键电负性〓表达式。

Combining the idea of quantization and the semi-classical hydrogen model of Bohr, the structure of atom is described. Solving the Schrodinger equation, the deduced wave function is related to the probability of finding the electron in space, a particle in the potential well and in a box. The concept of atom is expanded to the molecular and the energy band theory of solid state physics.

经由波尔之半古典的氢原子模型,结合量子化的概念以解释原子结构,并引入薛丁格方程式所求得之波函数与电子之空间机率的关系描述粒子波动特性,进而探讨位能井与氢原子光谱模型。

In this thesis, a semi-classical model of the force on an atom is used to describe the motion of a two-level atom interacting with a standing wave laser field. The velocity dependent force and momentum diffusion are derived through optical Bloch equations by using the matrix form of the continued fraction technique. By investigating the dynamic properties of atoms in laser field, we can control and manipulate the mechanical motion of an atom.

本文利用半经典理论,从二能级原子在激光驻波场中所满足的运动方程出发,推导出密度矩阵元所满足的递推关系,利用矩阵连分数方法求解出密度矩阵元,从而求出依赖于原子运动速度的光压力与动量扩散系数,通过讨论原子在激光场中的动力学行为,为原子在激光场中被囚禁、形成原子列阵以及可控制的量子态,从而为量子信息处理提供理论基础。

How is Thomson's model of the atom different from Dalton's model of the atom?

汤姆生的原子模型和道尔顿的原子模型有什么区别?

While plans for a new model are still far from concrete, Ariel's head honcho Simon Saunders has revealed to PistonHeads that any new model that does eventuate will be as interesting as the current Ariel Atom, and will shock motorists just as much as the minimalist cars do today - but in a different way.

虽然计划的一个新的模式还远远没有具体的,沙龙的头桑德斯在本町西蒙透露PistonHeads ,任何新的模式,并归结将是有趣,目前沙龙原子,并会冲击驾驶一样的极简汽车今天-但以不同的方式。

Then, based on the semiclassical model and numerical calculation of the Adams-Bashforth-Moulton algorithm, both Cr atom motion trajectories are simulated and the atom-optical properties are analyzed at the same experimental conditions.

根据半经典理论模型,采用Adams-Bashforth-Moulton算法进行数值求解,模拟了同等实验参数条件下的Cr原子运动轨迹,并对其原子光学特性进行分析。

Embedded atom method is a microcosmic model atom scale, which describes the relationship between the interplaying energe of an atom system and the property, site, electron effection of the atoms of the system.

嵌入原子方法就是这样一种原子尺度的微观模型,它描述的是材料中原子系统相互作用的总能量与原子的性质、位置、电子的等效影响之间的关系。

In addition, the control of spontaneous emission of a three-level atom embedded in photonic crystals was investigated in this paper,because the model of two-level atom is siple.

二能级毕竟是最简单的模型,故在最后,还对光子晶体中三能级原子的自发辐射特性进行了研究。

A model of generative grammar;a model of an atom ;an economic model.

衍生语法的图解;原子图解;经济模式

Two energy level atom is the ideal model of the actual atom, it only has two non-degeneration energy levels, E and E .

相干态光场是与经典电磁场最为接近的量子态光场,它是研究激光最重要的理论工具。

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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。