It means that this in the gas phase now.
它意味着这个现在处于气相。
You take that gas phase mixture, and you condense it in your condenser.
然后用这新得到的气相混合物，在冷凝器中冷凝。
We know a lot about the chemical potential of something in the gas phase.
我们对于气相中的一些成分的，化学势了解很多。
You decrease the mole fraction of the less volatile material in the gas phase.
更不易挥发的物质，在气相中的，摩尔分数减小了。
This nonlinear one in the gas phase.
这是气相中的非线性曲线。
You've still got almost everything in the gas phase when you first reach here.
当你首先到达这儿时,你的绝大多数物质都处于气相。
So what's the mole fraction of B in the gas phase?
那么B在气相中的摩尔分数是多少？
The composition in the gas phase changes.
气相的组成发生变化了。
Stuff in the gas phase now wants to condense down into the liquid.
气相中的物质现在想压缩，下降到液体。
而那都是气相。
Because more stuff wants to get up into the gas phase.
因为更多的物质想要，进入气相。
We have an equilibrium between the liquid state and the gas phase.
我们有一个液相，和气相的平衡。
So this is the composition in the gas phase.
这是气相中成分的比例。
It's the molar fraction of B in the gas phase times the total pressure.
这分压等于气相中b的摩尔分数，乘以总压强。
Dalton's law applies in the gas phase.
道尔顿定律用在气相。
全都是气相。
It's partial pressure in the gas phase.
这是气相中的分压。
I take my gas phase composition out and I re-liquefy it.
把气相部分拿出来再液化。
So we're going to have water and ethanol in the gas phase.
然后还有处于气态的水和酒精。
The composition in the gas phase.
气相的组分比。
And I can find out the composition in the gas phase now.
现在我可以知道气体的的组分比。
然后来到气相。
Just the same it was in the gas phase.
和气相中的一样。
只有气相。
这是气相。
Or reactants like B, which are in the gas phase.
或者像B那样的反应物它是气态的。
Here we talked about a mixture in the gas phase, changing some property.
这里我讨论了气体的混合，这种混合改变了气体的某种性质。
These are single atoms. It has to be gas phase.
这些都是单个原子，所以必须用气态形式的锂。
And then over here, we look at the gas phase coexistence curve.
然后到这儿，我们看气相共存曲线。
Although gas phase equilibrium was where everything started.
虽然气态平衡，已经说过了。
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