And all ion channels are selective for a single type of ion, and we can think about how that selectivity takes place, and that's where this idea of atomic radius is going to become very important.
所有的离子通道都是仅对某一种离子具有选择性的，而我们可以来想一想这种选择性是如何发生的，这也就是原子半径这个概念将会变得，非常重要的地方。
This includes atomic radius and the idea of isoelectronic atoms.
包括原子半径，以及等电子原子的概念。
And first, on your lecture notes, I start with atomic radius.
首先，在大家的讲义上，我是从原子半径开始的。
And if we're talking about atomic radius, essentially we're talking about atomic size.
如果我们在讨论原子半径，实际上我们讨论的是原子的尺寸。
So, keep that in mind when we're talking about atomic radius, I'm not suddenly changing my story and saying, yes, we do have a distinct radius.
因此，当我们讨论原子半径的时候要时刻记住这一点，我并不是在突然改变自己的说法，说是的，我们的确有一个准确的半径。
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.
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。
Here is atomic radius versus atomic number.
这是原子半径和原子序数。
In other words, just want to know where the electron is somewhere within the shell radius of the ground state of atomic hydrogen anywhere.
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。
Whereas, if we go across a row, what we see is that the atomic radius is decreasing.
然而如果我们沿着行来看，我们会看到原子半径在逐渐减小。
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.
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。
So we haven't gotten to molecules yet, we're just talking about single atoms or single ions, but what's nice is just talking about this very straightforward principle of atomic radius.
我们还没有开始讲分子，我们仍然只是在讨论单个原子或离子，但它的好处在于可以讨论，这个关于原子半径的非常简单直接的原理。
Using the density data of homojunction metal and the analytical data of crystal structure, the metal atomic radius is calculated.
通过单质金属的密度数据和晶体结构分析的数据，实现了金属原子半径的科学推算。
And immediately it should probably come into your head that we don't actually have an atomic radius that we can talk about, right?
一提到这点你就应该立刻想到，我们并没有一个真正的原子半径，可以讨论，对吗？
In this paper, we give a experiential calculating formula of atomic covalent radius, the results are satisfied.
本文给出了一个计算原子共价半径的经验公式，其计算结果与实验值基本相符。
The variation of electronic structure leads to the increase of single bond radius and atomic volume and other changes of physical properties.
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。
Is the Atomic Radius of Noble Gases Large Specially?
惰性气体元素的原子半径特别大吗？
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.
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。
In this paper, the method of calculation of metal atomic radius is given.
本文提出了金属原子半径的推算方法。
The model reflects the atomic properties, such as bulk work funtion, atomic radius and first ionizing energy value, and ignores the finer UFP structures.
模型反映了UFP的一些重要特性，例如块体材料逸出功，UFP原子半径和第一电离能，而忽略UFP更精细的结构。
Moreover, the effect of the atomic spherical radius and all the space average of the potential outside the spheres upon the calculated results is discussed.
并讨论了原子球半径、球外势场在整个空间的平均值对计算结果的影响。
This article makes a detailed analysis of the definition of atomic radius and ionic radius, so that the two terms can be well understood and used in the course of teaching.
在原子价电子层结构的基础上提出了原子结构半径和键参数的概念，并利用键参数研究碱金属卤化物晶格焓。
What you see is that the radius changes with atomic number for constant electron number.
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.
对于等电子数的粒子，离子半径随着，原子数的变化而变化。
应用推荐