Thermodynamicstalks about equilibrium systems and how to go from one state of equilibrium to another state of equilibrium.

热力学研究的是平衡系统,以及如何,从一个平衡态转变到另一个平衡态。

麻省理工公开课 - 热力学与动力学课程节选

So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.

这个非常方便，当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。

麻省理工公开课 - 热力学与动力学课程节选

What extracellular matrix you have in any particular tissue is there because there's a balance between it being produced by one kind of cell and digested by another, and you're in this sort of state of dynamic equilibrium.

特定组织中,细胞外基质的多少,取决于一个,分泌与降解的平衡,这是一种动态的平衡关系

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So, these on-changing properties that describe the state of the equilibrium state of the system are called state variables.

这些描述,系统平衡态的,变化的属性,就叫做状态变量。

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In the case here, tha t I just illustrated with the little cart going down the valley, would be exactly the same with regular energy, the equilibrium state is one of lowest energy, right.

在现在所考虑的情况下,我刚才所描述的小车沿着山谷下行，结论会像能量判据一样，平衡态是能量最低的态。

麻省理工公开课 - 热力学与动力学课程节选

Of course there are lots of states that would have maybe local pockets of one substance in excess and another substance in excess somewhere else In other words, there would be lots of states nearby to the equilibrium state.

当然，我们有很多的态,这些态中，某些位置被一种气体完全占据,另外一些位置被另一种气体完全占据,换句话说,在平衡态附近有很多的态。

麻省理工公开课 - 热力学与动力学课程节选

If I look at different points in my container during that path, I'm going to have to use a different value of pressure or different value of temperature That's not an equilibrium state, and that process turns out then to be an irreversible process.

如果我要研究在路径中容器里的,不同的点，我就得在容器里不同的点上使用,不同的压强值,或不同的温度值,实际上这不是个平衡态，这个过程是,不可逆过程。

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