结果表明当电子半径大于一个临界长度时，方程的解表现出良好的性质，不会出现奔离和预加速的现象。
It is shown that when the radius of the electron is greater than a critical length, the behavior of the solution is fine, no run-away and pre-acceleration appears.
实质-联系 （电子半径）数据模型以有一个基本物件的集合物件，叫做了实质的真正世界的一个知觉为基础，和在这些物件之中的联系。
The entity-relationship(E-R) data model is based on a perception of a real world that consists of a collection of basic objects, called entities, and of relationships among these objects.
它们是轨道的半径，系统的能量以及电子的速度，我接下来给你们展示解法。
They are the radius of the orbit, the energy of the system and the velocity of the electron, and I am just going to present you the solutions.
这些相互作用对于占据2s和2p能级的电子有微小的不同，他们的能量位移部分的依赖于质子的半径。
These interactions are slightly different for electrons occupying the 2s and 2p energy levels and the resulting energy shift depends in part on the radius of the proton.
然后我们再开始讲元素周期表，我们会看到很多周期性规律，比如电离能，电子亲和能，电负性以及原子半径。
We'll then take a turn to talking about the periodic table, we'll look at a bunch of periodic trends, including ionization energy, electron affinity, electronegativity and atomic radius.
换言之，我只是想知道，电子在哪，可以在氢原子基态下的半径，里面的任何地方。
In other words, just want to know where the electron is somewhere within the shell radius of the ground state of atomic hydrogen anywhere.
包括原子半径，以及等电子原子的概念。
This includes atomic radius and the idea of isoelectronic atoms.
我们讲了电离能的，电子亲和能的，还讲了电负性的，也就是前两个的组合，最后讲了原子半径的。
We talked about ionization energy, electron affinity, we talked about electronegativity, which is just kind of a combination of the first two, and then ended with atomic radius here.
是距离，So，，this，distance，here，is，R。,这是轨道的半径,就是电子运动的地方。
R This is the radius of the orbit in which the electron travels.
无论如何，μ介子氢的兰姆位移更加依赖于质子的半径，因为相对电子更加重的μ介子靠近或者时不时进入质子本身的时间也更多。
However, in muonic hydrogen the Lamb shift is much more dependent on the proton radius because the much heavier muon spends more time very near to – and often within – the proton itself.
我花了这么多课时所讨论的正是我们，不可能知道电子离原子核有多远这一事实，因此我们不可能知道某个原子的半径。
What I just spent many lectures discussing is the fact that we can not know how far away an electron is from the nucleus, so we can't actually know the radius of a certain atom.
是轨道的半径，系统的能量，以及电子的速度，我接下来会给你们讲解其方程的解法。
The radius of the orbit, the energy of the system and the velocity of the electron, I am just going to present you the solutions.
对于等电子数的粒子，离子半径随着，原子数的变化而变化。
What you see is that the radius changes with atomic number for constant electron number.
在无限深球方势阱模型的基础上分析了量子点的电子态，量子点的半径通过荧光光谱的参数被估算。
The electronic states were investigated by a model of the spherical square well with infinite depth and the radii of the quantum dots were estimated from the parameters of luminescence data.
在电子束产生过程中，屏蔽半径应尽可能地小，且击穿延时时间较短，故选择石墨作为阴极材料。
Because of its small screening radius and short delay time, graphite is chosen as the cathode material.
当我们向下走时，我们会将电子加在越来越远的壳层上，因此我们将看到原子半径，将随我们沿周期表向下走而增大。
So as we go down we're now adding electrons to further and further away shells, so what we're going to see is that the atomic radius is going to increase as we're going down the periodic table.
从绝对硬度与离子半径的关系导出一个高价离子电子亲合能的计算模型。
A new calculating model was derived from the relation of absolute hardness to the radii of polyvalent ions.
数值计算结果显示，电子能级敏感地依赖于量子环半径，能级存在极小值，这是由于限制势采用抛物势的结果。
The numerical results show that the energy levels of electron are sensitively dependent on the radius of the quantum ring and a minimum exists on account of the parabolic confinement potential.
随着色散的加强，激子的有效质心质量、有效约化质量增大，电子-空穴有效作用势的屏蔽半径变短。
It is found that the more the phonon dispersion, the larger is the effective mass, and the smaller the screening radius of electron-hole effective interacting potential.
电子结构的转变是导致原子单键半径增大和体积增加及其他物理性质发生改变的根本原因。
The variation of electronic structure leads to the increase of single bond radius and atomic volume and other changes of physical properties.
应用原子激发态中一个电子所受到的作用势，借助电子运动的经典转折点，定义原子激发态的边界半径。
The boundary radii of excited atoms are defined by the classical turning point of the electron moving in an atom.
我们将看到它是减小的，因为电子会感受到越来越强的吸引力，所有的电子将会被原子核拉得越来越近，所以原子半径将越来越小。
We are expecting to see that it decreases because it's feeling a stronger pull, all the electrons are being pulled in closer to the nucleus, so that atomic size is going to get smaller.
在环内中性等离子体情况下计算了传输过程中的两个重要参量——平衡半径和空间电荷力平衡半径，讨论了电子束的传输特点。
Two important parameters-balance radiuses and space charge force balance radius is calculated under neutral plasma case. The properties of electron beam transmission are discussed.
可选装带有电子-液压控制的前、后从动桥，实现最佳的转弯半径。
Optional electronic-hydraulically controlled forward-trailing or trailing axles for an optimum turning circle.
根据元素周期表，选择了离子电荷、半径和电子层结构不同的16种金属离子进行研究。
According to the periodic table, we selected 16 kinds of metal ions with different ionic charge, radius and electron shell structure in research.
金属离子对周围分子的作用主要取决于其半径、电荷和及电子层结构。
Metal ion has effects on the surrounding molecules depends on its radius, the charge and the structure of electron shell.
研究结果表明，电子束能量、发射度、击靶半径的影响很大，在闪光机的总体设计中必须加以认真考虑。
It is found that the effects of the parameters, especially of energy, emittance, and radius on target, are serious and must be considered in the design of flash X ray radiographic machine.
研究结果表明，电子束能量、发射度、击靶半径的影响很大，在闪光机的总体设计中必须加以认真考虑。
It is found that the effects of the parameters, especially of energy, emittance, and radius on target, are serious and must be considered in the design of flash X ray radiographic machine.
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