If the atom is fixed mass, the electron is tiny, It must be the positives have all the mass.
如果是原子质量一定,电子很小,带正电荷的部分几乎占据了全部质量。
The molar volume is being changed a little bit trying to make things collide with each other, they can't occupy the same volume.
摩尔体积发生了很小的改变,如果你试图使气体分子间相互碰撞,他们不能占据同一个位置。
All right. If the derivative is small, it's not changing, maybe want to take a larger step, but let's not worry about that all right?
好,如果导数很小的话,函数就基本没什么变化,可能我们就想把步子迈大一点儿了,但是别为这个担心?
If we have a small engine, and we have to pull the car up a steep hill,a difficult hill, the engine is more likely to collapse,to blow up.
如果我们用的引擎很小,想把车开上一个陡峭崎岖的山坡,引擎很容易损毁,爆炸。
It takes place in small rooms. If you begin to think about it, you can almost see the set changes: in the diner, on the train station. That's about the most open place, on the train platform. That's about the most open place we see.
在很小的空间里发生,如果你们开始思考它,你们几乎能看到场景的改变,晚饭,在火车站,那算是最室外了,在火车的月台上,那也算是最室外了。
This is real, unlike the Joule coefficient which is very small so that most gases have tiny Joule coefficients. So if you do a Joule experiment, you hardly measure a temperature change. With real gases, here you do actually measure it. You can feel it with your finger on your bicycle tire.
系数那样小以至于,大多数气体的焦耳系数,都很小,所以如果你做焦耳实验,很难测量出温度的变化,对于真实气体,你可以测量它,你能通过手指按在,自行车轮胎上来感觉到它。
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