This is the radial probability distribution formula for an s orbital, which is, of course, dealing with something that's spherically symmetrical.
这个s轨道的,径向概率分布公式,它对于球对称,的情形成立。
There are definitions based on form, circularity, symmetry, economy of form, lack of economy of form, and repetition.
有些定义是基于形式,循环,对称,形式的精简与否,重复。
So, doing those probability density dot graphs, we can get an idea of the shape of those orbitals, we know that they're spherically symmetrical.
概率密度点图上,我们可以对这些轨道的形状,有个大概了解,我们知道它们是球,对称的,我们今天不讲。
Student: The beauty of the language and symmetry, the sentence structure, the word choice: I guess going away from the theme, more of just the language.
语言的优美和对称,句子结构,选用的词:,我想除开主题,我更喜欢它的语言。
The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.
第二种构成,需要空间非极性,就是需要极性键的空间对称分布。
An asymmetrical division is not like that, it's when a parent cell forms two cells that are different in some way.
而不对称分裂就不是这样,当母细胞分裂为两个子细胞时,会有一些不同
The guiding thread of the book is the correspondence, the parts of the city and the parts of the soul.
本书的导引线索是,当中的相似之处,城邦一部份与灵魂一部份间的对称性。
So, we'll talk about this other axis of style on the course, writing code that looks pretty and as well aesthetically laid out.
我们来讨论一下这个中心对称的程序,这程序写出来的结果很漂亮,完全按照美学角度摆放。
Then I have to try to do that on the other side, as symmetrically as I can.
另一边,我也尽量画的对称
Just to point out in passing, up to now, we've been looking mostly at symmetric games.
顺便说一下,到目前为止,我们所学的大部分是对称博弈
Asymmetry is not the norm in music so eight's a good bet there.
音乐中不对称结构很少见,所以说八个应该不错
A capability for asymmetric division and the production of cells that become differentiating more mature cells, those are properties of stem cells.
能够完成不对称分裂,以及产生细胞,并分化成为一些更成熟的细胞,这些是干细胞的性质
In this case, this particular restriction enzyme cuts symmetrically like this, but not at the same point.
在我们这种情况下,这个限制性内切酶总是这样对称地切割,但两条链切割的位点不一样
We somehow have to take hydrogen, attach it to carbon, and we have to make it symmetric, and we have to make it nonpolar.
我们需要把H接到C周围,而且我们需要让它是对称,且非极性的。
You have a symmetric molecule, and let's see.
一个非常对称的分子,再看看。
A good example of that is CH4, because the CH bond is polar but symmetrically disposed in space.
甲烷就是一个很好的例子,因为极性键是,空间对称的。
If I now hybridize these, if I take these and I make four symmetric, now, these are just the sp3 orbitals.
如果我将他们杂化,然后形成4个对称的轨道,这就是sp3轨道。
So, somehow we have to figure out a way to take orbitals that are non-symmetric, and convert them into orbitals that are symmetric.
所以有时我们需要找到一个方法,让不对称的轨道,转变为对称的轨道。
So in molecular orbital theory, what we did was we named orbitals based on their symmetry.
在分子轨道理论中,我们基于轨道的对称性给它们命名。
Also, it is cylindrically symmetric around the bonding axis, so this is how we know that it's a sigma orbital.
此外,它关于键轴是圆柱对称的,这就是为什么我们知道它是sigma轨道。
Same bond, symmetric bonds means equal energy, which means equal links.
相同的对称的化学键意味着相等的能量,相同的联系。
That's an example of symmetric sequence and it happens that most restriction enzymes also recognize those spaces.
这是一个对称序列的例子,大多数限制性内切酶都能识别这些序列
Dilution occurs when the company changes the number of shares asymmetrically-- not changing it for everybody.
摊薄是指公司,非对称地改变股数,而不是一概而论
This is one of the kinds of differences that develop that happens during development and cells somehow know where they are within this developing asymmetrical organism.
这是发育过程中,发生的一种变化,而且细胞似乎知道它们,在这个非对称发育生物体中的位置
Notice this game is not symmetric in the payoffs or in the strategies.
但注意此博弈的策略与收益是非对称的
They help prevent fraud, misrepresentation, manipulation of information in stocks and bonds.
它帮助人们防止诈骗,虚报和巧妙利用证券股票市场中,信息不对称而牟利等事情的发生。
One result of this asymmetrical division is a committed progenitor cell.
这种不对称分裂的一个结果,是产生定向的祖细胞
So that's asymmetrical division and that's a property of stem cells.
以上说的就是不对称分裂,是干细胞的性质之一
It oftentimes repeats and it can be symmetrical in that sense.
它经常重复并且感觉比较对称。
It's perfectly symmetric.
它是完全对称的。
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