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Again they've just done that experiment and seen the effects of that on the point measurement with the whole pro.
通过实验,他们便能看到其效果,通过在整个过程中,对点的测量。
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That tells us the direction of spontaneous change for ordinary processes, chemical processes, mixing and you name it, under conditions that are easy to achieve in the lab.
这个物理量告诉我们在实验室,能够实现的条件下通常的过程，化学过程，混合以及你所能想到的过程，自发进行的方向。
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Now, what I love to is to take you over to the lab and show you how this works.
现在，我很想带大家,去实验室观察整个过程。
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So that you do the experiment, you see the phenomenon, and then you see the visualization that adds things to the phenomenon that you normally can't see that are there whether or not sealed.
因此我们通过做实验，观测到现象，然后看到直观化的过程,它会将你平时看不见的物质,添加到这个现象中,让你感觉它本来就在那儿。
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The deception one with the shoes and everything looked at it in the course of deception.
那个运用鞋子等物品的欺骗实验,在欺骗过程中探究了错误信念
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The experiment was, he would put--the pigeon was in a cage and he'd let the pigeon get pretty hungry -hungry pigeons are not happy pigeons.
实验过程是,他把鸽子困在笼子里,还不给鸽子喂食,饥饿的鸽子怒火中烧
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It's the constant enthalpy process that we're looking at. This we can do experiments on.
是一个焓不变的过程,这个量我们可以做实验。
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What we've been talking about, the Joule-Thomson experiment, constant enthalpy process?
首先，刚才说的，那些有什么问题吗？,焦耳-汤姆逊实验，等焓过程？
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And so an experiment said the gas didn't increase its temperature when it expanded the vacuum.
这个实验告诉你,气体在向真空膨胀的过程,中温度没有升高。
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In fact in spite of the way we tell our story we actually changed the assignment.
尽管实验的过程是这样,可我们实际做了些改变。
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But as you can see, in the run I'm talking about this, there really only are experiments in a couple of the dimensions of the educational purposes that we talked about in the very beginning.
但你们也看到了，我探讨这一点的过程中，所进行的实验只涉及到,我们在最开始谈到的,教育目标的几个方面。
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So this was one of the things we changed in the midway through.
这就是实验过程中,我们进行的改变。
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The Joule-Thomson experiment is irreversible.
实验是一个不可逆过程。
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For example, one of the experiments we do is measure the magnetic field of current coil, and after we do the experiment, we all have a passive visualization that shows the same experimental set-up, except we add to that.
比如，我们做的一个实验就是,测量电线圈的磁场，在我们做完实验之后，我们都感受到了一个直观化的过程,它展现了同样的实验过程，只是那是我们加的。
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