And you would expect that that would be a much stabler compound because, instead of plus one attracting plus one, now you have plus two attracting minus two.

可以预见,这将会是更稳定的化合物，因为不再是一价正离子吸引一价负离子，而是二价正离子吸引二价负离子。

麻省理工公开课 - 固态化学导论课程节选

One over two squared minus one over n squared 3 4 5 where n takes values three, four, five, six.

除以，2，的平方再减去1除以n的平方,将n赋值为。

麻省理工公开课 - 固态化学导论课程节选

1/2 And we have the spin quantum number 2 as plus 1/2 for electron one, -1/2 and minus 1/2 for the electron two.

我们有自旋量子数,对于电子，我们有自旋量子数。

麻省理工公开课 - 化学原理课程节选

So there's p v work and it's given by the integral minus p external dv or just the integral from one to two of dw.

我们知道对于pv系统来说,功w可以写成黑板上的两种不同形式。

麻省理工公开课 - 热力学与动力学课程节选