And that in the case of constant volume, U in this case that's my delta u, and then I'll H add my little delta n term to get delta H.

这是在等体情形下，此时的到的是Δ,然后我可以加上Δn的项来得到Δ

麻省理工公开课 - 热力学与动力学课程节选

We're just going to go through it and execute it a little bit. And then we'll move on and talk about how we'd actually make some of these measurements of delta H and compare

对吧？我们会讲完它并,实际应用一下，然后我们会,继续讲一下实际上我们,是怎样测量△H并与

麻省理工公开课 - 热力学与动力学课程节选

And delta u is equal to what we'll call w1 prime.

u等于w1一撇。

麻省理工公开课 - 热力学与动力学课程节选

Okay, we'll give Delta Air Lines (nyse: DAL - news - people ) credit for playing My Big Fat Greek Wedding on a cross-country flight we took recently.

FORBES: Skip The In-Flight Movie

If the Delta Six reaches it fundraising mark, it'll ship out to supporters in December.

ENGADGET

"We'll speed up when we have to, and we'll slow down when we can, too, " said Delta's Mr. Holtz.

WSJ: Why Airlines Are Shrinking Flight Times