We'll introduce in the next course angular nodes, but today we're just going to be talking about radial nodes, psi and a radial node is a value for r at which psi, and therefore, 0 also the probability psi squared is going to be equal to zero.

将会介绍角节点,但我们今天讲的是，径向节点，径向节点就是指，对于某个r的值,当然，也包括psi的平方，等于,当我们说到s轨道时。

麻省理工公开课 - 化学原理课程节选

I can't remember their names either, but their last names begin with "R" and "S" and "A".

我也记不住他们的名字，但他们的姓氏是由“R”，“S”和“A”开头的。

积极参与俱乐部活动 - SpeakingMax英语口语达人

In an orbital is remember that this area right here at r equals zerio, that is not a node.

例如对于１ｓ轨道,记住这里ｒ等于０处不是一个节点。

麻省理工公开课 - 化学原理课程节选

It turns out there's a new function strlen S-T-R-L-E-N that you probably have not used yet called strlen, S-T-R-L-E-N, programmers early on and still like to be succinct but communicates sufficiently what they mean.

结果这里有个新的函数,你可能没有使用过，叫做，早期的和现在的程序员喜欢简洁地,但是能充分的传达他们的意思。

哈佛公开课 - 计算机科学课程节选

And then the repulsive term, some positive coefficient r and r to a very high number.

然后排斥力，一些正系数,以及具有很大数值的。

麻省理工公开课 - 固态化学导论课程节选

Were going to make it for a mole of gas, T1 so it's R times T1, V and then we'll have dV over V.

假设是有一摩尔气体，那么就是R乘以，然后有dv除以。

麻省理工公开课 - 热力学与动力学课程节选

And in fact, an example of a methodological attempt was done by Henry Gleitman at University of Pennsylvania, who built a tickle machine, which was this box with these two giant hands that went "r-r-r-r."

实际上,宾夕法尼亚大学的亨利·葛雷曼,曾经进行过研究方法上的尝试,他发明了一台挠痒痒的机器,这是一个装有两只大手的箱子,双手会不停的去挠痒痒

耶鲁公开课 - 心理学导论课程节选

If you do it in monthly terms your interest rate is r/12 because there are twelve months in a year.

如果是每月还款那么月利率是r/12,因为一年有12个月

耶鲁公开课 - 金融市场课程节选

It tells you when a particle moves in a circle, it has an acceleration in a negative R direction, namely directed towards the center.

它告诉你当一个物体在圆周上运动时,它有一个在 -R 方向的加速度,也就是说是直接指向圆心的

耶鲁公开课 - 基础物理课程节选

It was found in strain R, a particular strain of E.coli, and it was the first one found, There's a nomenclature that's evolved for this.

酶被发现于R菌株,大肠杆菌中一种特别的菌株,又是被发现的第一种内切酶,有一种专门为此制定的命名法

耶鲁公开课 - 生物医学工程探索课程节选

Muscovy had already conquered the Volga basin in the 16th century, where the nomadic Tatars were, T-A-T-A-R-S.

6世纪时莫斯科公国已经征服了伏尔加盆地,游牧鞑靼民族住的地方

耶鲁公开课 - 欧洲文明课程节选

I'm glad to hear that no one counted this r equal zero as a node.

我很高兴没听到有人把ｒ等于０这处也算作是一个节点。

麻省理工公开课 - 化学原理课程节选

You might want to say in the real world, if you go to a movie theater for this R-rated movie, "Are you 18 and over or are you with a parent?"

在现实世界中，你可能想说，如果你去电影院看R级电影，“你有18岁吗？,或者你跟随你的父母亲来的吗？“

哈佛公开课 - 计算机科学课程节选

So that's why we have this zero point here, and just to point out again and again and again, it's not a radial node, it's just a point where we're starting our graph, because we're multiplying it by r equals zero.

这就是为什么在这里有个零点，我需要再三强调，这不是径向零点，他只是我们画图的起始处，因为我们用ｒ等于０乘以它。

麻省理工公开课 - 化学原理课程节选

And orbiting around this is a lone electron out at some distance r.

有一个单电子,在环原子核的轨道上运行。

麻省理工公开课 - 固态化学导论课程节选

When we're talking about r for internuclear distance, we're talking about the distance between two different nuclei in a bond, in a covalent bond.

当我们说，r，代表的是核间距的时候，我们讨论的是一个距离,在一个键--一个共价键的两端的原子核之间的距离。

麻省理工公开课 - 化学原理课程节选