Our ionization energy is going to be equal to the incident energy coming in, minus the kinetic energy of the electron.
我们的电离能将等于,入射能量,减去电子的动能。
Could you tell us your feelings about the 9/11 incident?
能跟我们讲讲你对9/11事件的感想吗?
And I am going to let this arrow somehow indicate the value of the incident energy.
我将用这个箭头,来揭示,入射能量的值。
So, let's take a look at the different kinetic energies that would be observed in a spectrum for neon where we had this incident energy here.
那么,让我们来看一下,在已知入射能量的情况下,可以在氖光谱中观测到哪些不同的动能。
Well you can read the story, it's in Numbers 20, the incident is described there. But the answer is still not entirely clear, it's not clear what Moses did that was so bad as to deserve this punishment.
你们可以阅读这个故事,在民数记20,讲述了这个事件,然而答案却仍然不是完全清楚的,摩西究竟做了什么,坏事才遭受这样的惩罚,还不完全清楚。
That incident that Socrates tells here represents what one could call " the famous Socratic turn Socrates' second sailing so to speak.
苏格拉底在这儿,所提的事件代,表著名的“苏格拉底转向,即苏格拉底的第二次启航。
And the challenge is to combine "the permission to be human" to experience the emotion to go through the motion and yet not to enter the downward spiral where six months later, after small incident, I'm still in that rot.
困难在于将之与准许为人相结合“,去体会情绪,实现转移,但不会进入下行螺旋,在发生小小意外六个月后,仍心情低落。
It turned out there was no white van at all but in the first incident somebody saw a white van, this was reported in all the newspapers, then every other incident people started seeing the white van.
其实后来发现并没有白色小货车,但在第一起案件里有人看到白色小货车,所有报纸上都登了这条线索,结果在后来的案件中人们都看到白色小货车。
Now, if this incident energy is great enough it will take an electron out of the ground state and promote it.
现在,如果入射能足够的话,它会将一个电子从基态中释放出来,并且加速它。
The interesting thing here is that I can change the incident velocity continuously.
有趣的是,我可以逐渐改变入射速度。
So what we're saying here is the incident energy, so the energy coming in, is just equal to the minimum energy that's required to eject an electron.
这里我们来讨论一下,入射能量正好等于,发射出一个电子所需要的最低能量的情况。
Let this represent the total energy of the incident electron.
让这个来表示入射电子的,总能量。
Change the voltage, I change the incident energy.
改变电压,我改变入射能量。
So, now we can talk about it in different terms, Ei for example, talking about e sub i, which is the incident energy or the energy of the light that comes in, or talking about work function here, and that's just another way to say threshold energy.
现在我们可以从不同的方面,来谈论它了,举例来说,它是入射能量或者进来的光的能量,或者谈论这里的功函数,它是另一种描述临界能量的方式。
Because here what we have is some atom that we're studying, in the case, it's going to be a gas, and we hit it with a photon that has some incident energy.
因为这里我们要研究的是一些原子,在这种情况下,一般是气态的,然后我们令一个,具有一定初始能量的光子打上去。
The first that we need to know the energy of the photon that's incident on our gaseous atom.
首先,我们需要知道,入射到气体原子的光子的能量。
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