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That is we make animation file when you put the current to the coil of the field, getting established magnetic field.
即通过制作动画效果,当你将电流,输送到线圈上，形成磁场。
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You can take something that's magnetic with a north-south 1 magnetization and just say arbitrarily, this will represent one.
你只需要一个北南极的磁性物体,任意指定，比方说代表。
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And this spin magnetic quantum number we abbreviate as m sub s, so that's to differentiate from m sub l.
这个自旋磁量子数我们把它简写成ｍ下标ｓ,以和ｍ小标ｌ有所区分。
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who conducted the experiment of hydrogen emission spectrum in a magnetic field.
塞曼做了一个,磁场中的氢原子光谱实验。
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And again in one of the functional magnetic insonance image experiments, we could ask Mike to examine faces verse other things.
与在一个功能性核磁共振成像试验中一样，我们告诉迈克去仔细看人脸和其他东西。
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There are many kinds of work. There's electrical work, take the motor, you plug it into the wall, electricity makes the fan go around, that's electrical work. There's magnetic work.
我们复习一下大一,学过的功的概念：,物体在力的作用下，运动了一段距离。
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For example, the hall prove to measure the magnetic field of a crack caring club.
比如，他们准备测量,某个地方的磁场。
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So on your computer's hard drive are again, a whole bunch of tiny magnetic particles aligned this way or this way.
因此，你的电脑硬盘是完全是,有一簇按照这种方式排列的磁性粒子。
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And when you actually wanna store information on disk, can you actually use, as we'll see in a moment, magnetic particles.
当你想在硬盘中存储信息时，我们将会用到后面，我们会谈论的一种称之为磁性粒子来实现它。
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And when you solved the relativistic form of the Schrodinger equation, what you end up with is that you can have two possible values for the magnetic spin quantum number.
当你们解相对论形式的,薛定谔方程，你们最后会得到两个,可能的自旋磁量子数的值。
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And what can happen is that this cartoon shows that if you put a magnetic field on liquid oxygen, that liquid oxygen would be drawn towards the magnetic field.
能够发生的就是,在动画里有所体现,如果你把液氧放在磁场中，液氧会被吸起来,朝着磁场的方向。
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But what's interesting is when they're actually there, essentially, if this is a magnetic particle, 1 you can actually represent zeros and ones pretty easily.
有意思的是当它们分布在那里，如果这是一个磁性粒子，你能很容易的用它代表0或者。
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And when you turn the current off, the magnetic field collapses.
当你切断电流，电磁场就消失了。
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it's this paper mend with a plastic cover and there's all these black magnetic particles here.
它是用这种纸以及一种塑料覆在上面,这里还有一些黑色磁性粒子。
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An experiment called functional magnetic resonance imaging as illustrated here.
有一种试验叫做功能核磁共振成像。
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Now you have a gap in your data and yet you still have some magnetic particles there that could be useful.
现在的数据中可能会有一些空白,但你仍然有一些,有用的磁性粒子。
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No, we can't. Because if l equals 1, we can not have m sub l equal negative 2, right, because the magnetic quantum number only goes from negative l to positive l here.
不行，因为如果ｌ等于１,ｍｌ的值不可能等于－２，对吧，因为磁量子数的值,这时只能从－１到１
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Now this is mostly irrelevant to what we're talking about except for the fact that there are magnetic particles involved and they're really small because it turns out what's inside most of your laptops and desktop computers are these things called hard drives.
其实这与我们现在谈论的话题没什么关系,除了这里的磁性粒子有关系外,它们是很小的因为它们要放在,你的笔记本电脑或者,台式机中被称为硬盘的里面。
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You've got a magnetic field, maybe even magnetic susceptibility, the electric field. We're not going to worry about these magnetic fields or electric fields in this class So, pretty much we're going to focus on this set of variables here.
你也会引入磁场，或许甚至磁化率，以及电场，我们这堂课不需要关心,这些磁场或,电场之类的东西,基本上我们只关注,这里的一组变量。
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