高温极限。
So that's the low temperature limit.
那就是低温极限。
高温极限。
Namely, the low temperature limit is zero.
也就是，低温极限是零。
So now let's look at the high temperature limit.
那么现在我们来看看高温极限。
You immediately go to the high temperature limit.
你马上就达到高温极限。
And we've seen what the high temperature limit is.
高温极限下振动部分我们见过。
We're in the low temperature limit for vibrations.
我们用低温极限处理振动。
Then you have the same high temperature limit to it.
然后你对它有相同的高温极限。
What was the low temperature limit of the heat capacity?
热容的低温极限是什么？
You can be in the high temperature limit. And easily are.
我们仍然可以用高温极限近似。
So we know it's got to be zero at the low temperature limit.
它应该是零,我们知道低温极限下。
And I'm going to assume we're in the high temperature limit.
假设我们，在高温极限。
Because of course I'm certainly in the high temperature limit.
因为当然我一定，是在高温极限。
The maximum temperature limit is based on the Gasket material.
最大的温度界限以垫片材料为基础。
And in the low temperature limit, now go to the opposite limit.
对于低温的极限，即相反的极限。
So in the high temperature limit we can easily calculate things.
因此在高温极限下，我们可以很简单进行计算。
There's only one allowed possible state in the low temperature limit.
只有一种允许的可以被占据的态，在低温极限下。
But work, bigger, allowed temperature limit rotational speed is low.
但工作时，温升较大，允许极限转速较低。
So in the high temperature limit, the energy does change with temperature.
所以在高温极限下，能量随温度变化而变化。
So the energy doesn't change with temperature in that low temperature limit.
所以能量不随温度改变，在低温极限。
And we know that it's this constant value in the high temperature limit.
它是常数，我们知道在高温极限时。
So the high temperature limit, physically, is one that's simple to understand.
因此高温极限，从物理的角度是容易理解的。
I'm at the low temperature limit for the molecular vibrations of nitrogen or oxygen.
在低温极限下，对于氮或氧的分子振动。
So it's easy to get into the high temperature limit, in that case. Where you basically see a temperature independent heat capacity.
所以它很容易到高温极限，在那种情况下，你基本上就能看到，不依赖于温度的热容。
Three things limit plant growth: light, water, and temperature.
有三个要素会限制植物生长：阳光、温度和水。
Here's the limit of low temperature.
这是低温极限。
Seek to limit temperature rise to 1.5 degrees above preindustrial levels.
希望气温上升幅度能限制在工业化社会之前的基础之上1.5度。
And now for molecules, that limit isn't usually reached at room temperature.
现在对于分子，在室温下这个极限通常达不到。
In particular, what happens here in the limit of high temperature.
特别是，高温极限时会发生什么。
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