It tells you the number of moles.

它告诉了你摩尔数。

youdao

With respect to n, the number of moles.

对n的偏导数，这里的n是摩尔数。

youdao

And take the total number of moles out.

并把总摩尔数拿出来。

youdao

If you have the number of moles and two intensive variables, then you know everything there is to know about the system.

如果你有摩尔数,和两个强度量，你就能知道关于这个系统的一切,关于系统的平衡态的一切。

麻省理工公开课 - 热力学与动力学课程节选

Here just two, so we changed the number of moles of gas by three. All right, how much did it matter, right?

所以我们将气体的摩尔数,改变了3摩尔，好，它会起多大作用？

麻省理工公开课 - 热力学与动力学课程节选

The number of moles stays the same a closed systems, gas doesn't come out.

摩尔数保持不变,因为是闭系，气体不会跑出去。

麻省理工公开课 - 热力学与动力学课程节选

They counted the number of moles and measured the amount of freckles they had on a scale of 0 to 100.

BBC: Twins offer skin cancer clue

However, the study, at the hospital's twin research unit, found that identical twins were more likely to have a similar number of moles than twins who are not identical.

BBC: Twins offer skin cancer clue

The researchers were surprised to find that the degree of similarity in the number of moles increased with age - even when the subjects were exposed to different environmental factors.

BBC: Twins offer skin cancer clue