So we know that in each case the heat is going to be the opposite of the work, but the work isn't the same in these two different ways of getting from here to here, right. So let's just see it explicitly. Here's our qA.

所以我们知道在每种情形下功,与热量相差一个负号,但从这里到这里，在这两条路径,中的功是不同的，对吧？,那么让我们明确地看一下。

麻省理工公开课 - 热力学与动力学课程节选

Enzymes work best, enzymes are proteins that catalyze chemical reactions and our bodies operate by elaborate networks of chemical reactions, When we're off from that temperature then they don't work properly.

举酶这个例子再好不过,酶是一种具有催化作用的蛋白质,人体依靠精密复杂的化学反应网络来运转,如果我们体温与之相差较大,这些酶就不能正常工作

耶鲁公开课 - 生物医学工程探索课程节选

All right, q has to be just the opposite of this because we've already figured out that there's no change in u.

好，q一定与它,相差一个符号，因为我们已经,指出U是不变的。

麻省理工公开课 - 热力学与动力学课程节选