• So, there's actually another way to graph it where we can directly graph the dissociation energy or the bond strengths.

    其实,还有另外一种画这个曲线的方式,可以直接画出离解能的大小,或者键的强度

    麻省理工公开课 - 化学原理课程节选

  • so I, you know, I enjoy that sort of intense effort, the sort of adrenaline that goes with the crunch

    我就喜欢那种高强度的努力,那种肾上腺素增长的感觉。

    电脑图片的魅力 - SpeakingMax英语口语达人

  • So, one simple way to code intensity is the number of neurons firing; the more neurons the more intense.

    影响反应强度的一个简单因素,就是产生神经冲动的神经元数量,神经元越多,反应强度越大

    耶鲁公开课 - 心理学导论课程节选

  • So, what we would expect is that there is a relationship between intensity in kinetic energy because it was understood that however intense the light was, if you had a more intense light, it was a higher energy light beam.

    光强和能量之间,应该有一定的关系,因为在我们的理解中,不管光强是多少,光的强度越大,光束能量越高。

    麻省理工公开课 - 化学原理课程节选

  • And, furthermore, that the intensity of the splitting was proportional to the intensity of the applied magnetic field.

    并且谱线的分裂程度,和实验中所使用的磁场强度,是成比例的。

    麻省理工公开课 - 固态化学导论课程节选

  • I think it's the imminence of their fallen-ness that lends this image its incredibly powerful emotional intensity and also, I think, its beauty.

    这是它们即将堕落的迫切性,使这幅图像有了无穷的情感强度,和无边的美感。

    耶鲁公开课 - 弥尔顿课程节选

  • They don't need that kind of mechanical strength.

    就不需要那种机械强度的保护机制

    耶鲁公开课 - 生物医学工程探索课程节选

  • And so we might need to work out various, more complicated, formulas here, where we multiply the pain times its duration and take into account its intensity, get the sheer quantity of pain that way.

    我们需要编制出各种,更复杂的公式,以便增加痛苦的倍数,延续时间,还要考虑痛苦的强度,获得痛苦的纯量。

    耶鲁公开课 - 死亡课程节选

  • And it's a lot of work,

    训练的强度挺大,

    MIT赛艇选手 - SpeakingMax英语口语达人

  • The second one is the frequency of firing in that something is more intense if it's "Bang, bang, bang, bang, bang, bang" then "Bang, bang, bang" and these are two ways through which neurons encode intensity.

    第二个是产生神经冲动的频率,如果先是 "砰 砰 砰 砰 砰",然后变成,"砰,砰,砰",这是由于神经元反应强度更大了,这便是两种,会影响神经元反应强度的因素了

    耶鲁公开课 - 心理学导论课程节选

  • But in terms of SI units, which become much more useful if you're actually trying to use intensity in a problem and cancel out your units, we're just talking about joules per second is what intensity is.

    但是用国际单位制,这个变得越来越有用了,如果你实际上在使用强度,来解决问题和约化单位,我们仅仅讨论每秒钟的焦耳,这就是强度

    麻省理工公开课 - 化学原理课程节选

  • Or if we look at how strong it is, it's actually stronger than a single bond, but weaker than a double bond.

    或者如果我们看键的强度的话,它实际上比单键更强,而比双键更弱。

    麻省理工公开课 - 化学原理课程节选

  • So our last question we ask is what's the total number of photons emitted if we give this given intensity for 60 seconds?

    最好的问题是如果我们,按照给定的强度照射60秒,那么总的光子数是多少?

    麻省理工公开课 - 化学原理课程节选

  • The next thing that they wanted to look at was the actual intensity of the light and see what the relationship of intensity to kinetic energy is.

    下一而他们要研究的是光的强度,看一下光强和能量之间的,关系是怎样的,我们预期。

    麻省理工公开课 - 化学原理课程节选

  • If we know that this is it the dissociation energy for a hydrogen atom, we can also say the bond strength for hydrogen molecule 424 is 424.

    如果我们知道了这是一个氢分子的离解能,那么我们也可以说氢分子的键的强度,就是。

    麻省理工公开课 - 化学原理课程节选

  • Intensity, if we increase the intensity, we're not increasing the energy in each photon, we're just increasing the number of photons that we're shooting out of our laser, whatever our light source is.

    强度,如果我们增加强度,我们增加的不是,每个光子的能量,我们增加的仅仅是,从我们激光源射出的光子数,无论我们的光源是什么。

    麻省理工公开课 - 化学原理课程节选

  • So, what this lets us do now is directly compare, for example, the strength of a bond in terms of a hydrogen atom and hydrogen molecule, compared to any kind of molecule that we want to graph on top of it.

    因此,这让我们现在可以做到直接进行比较,比如,将一个氢原子,和一个氢分子的键的强度,与任何其它类型的分子进行比较,我们只需要把它的曲线也画在这幅图上。

    麻省理工公开课 - 化学原理课程节选

  • So we see that we do not eject electrons in the case of the laser pointer, even if we have this intensity, it is still not related to the energy of an individual photon, so we won't see an effect.

    所以我们看到我们用激光笔,还是没有逐出电子,即使我们有这样的强度,它仍然与一个单个的光子能量无关,所以我们不会看到光电效应。

    麻省理工公开课 - 化学原理课程节选

  • So what we can actually directly compare is the dissociation energy or the bond strength of nitrogen versus hydrogen.

    因此实际上我们可以直接进行比较,对氮分子与氢分子的离解能,或键的强度

    麻省理工公开课 - 化学原理课程节选

  • And the answer is, although neurons are all or nothing, there are ways to code intensity.

    答案就是,尽管神经元服从全或无法则,但仍有许多因素会影响神经元的反应强度

    耶鲁公开课 - 心理学导论课程节选

  • So, if we have a high intensity, we're talking about having more photons per second, and it's important to know also what that does not mean.

    所以,如果我们有一个高强度,我们就是在讨论每秒钟,有更多的光子数,同样理解它不代表什么,也是很重要的。

    麻省理工公开课 - 化学原理课程节选

  • And when we talk about covalent bonds, there's 2 properties that we'll mostly focus on, and that's going to be thinking about the bond strength or the energy by which it stabilized when it bonds.

    而当我们讨论共价键的时候,有两点特性是我们最关注的,那就是键的强度,或者说成键之后能量降低了多少。

    麻省理工公开课 - 化学原理课程节选

  • So, another way to talk about dissociation energy is simply to call it bond strength, it's the same thing, they're equal to each other.

    讨论离解能的另外一种方式,是直接称它为键的强度,它们是一样的,彼此相等。

    麻省理工公开课 - 化学原理课程节选

  • So, let's change our graph where we now have this zero point set as the two individuals hydrogen atoms, and then we see that our h 2 molecule is at the negative of the dissociation energy, or the negative what that bond strength is.

    那么让我们把曲线图中的零点能改到,两个分离的氢原子处,那我们就会看到,氢分子就是负的离解能,或者负的键的强度

    麻省理工公开课 - 化学原理课程节选

  • Also, what's the energy per photon of this red laser pointer, and then it's also worth trying a calculation dealing with intensity. So let's also try calculating the numbers of photons that would be emitted by this laser pointer, if, for example, we were to use it for 60 seconds and this were a one milliwatt laser.

    同样,红色激光笔的,每个光子能量是多少,这也值得用处理强度的方法计算一下,让我们也计算一下,有多少光子会从这个激光笔射出,举个例子,如果我们使用它持续60秒,这里会有一毫瓦的激光。

    麻省理工公开课 - 化学原理课程节选

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