So now we have a constant volume reversible temperature change.

所以现在我们有一个,等体，可逆的温度变化。

麻省理工公开课 - 热力学与动力学课程节选

You've irreversibly changed that substance because you've changed the structure of all the proteins inside.

蛋白质的结构发生不可逆的变化,因为蛋白质内部的全部结构都改变了

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OK, we're going to do this reversibly, which means we're going to slowly change the external pressure very, very slightly at a time, so that at every point we're basically in equilibrium, p2/ until the pressure reaches a new smaller pressure p2.

整个过程保持可逆，外界压强,变化得很慢，每一个瞬间,都保持平衡，直到压强减小到末态值。

麻省理工公开课 - 热力学与动力学课程节选

It's reversible. It's a temperature change.

是可逆的，温度是变化的。

麻省理工公开课 - 热力学与动力学课程节选