So it's the same as q reversible plus w reversible.

它们是相等的，因此这也等于q可逆加w可逆。

youdao

Delta u is q plus w. Delta u isn't zero.

△U是q+w，△U不是零。

youdao

w Now, we have u, q and w.

现在我们有u，q和。

youdao

Delta u, delta H, familiar state functions, q w changes in their values, q, w, heat and work.

U，△H，很熟悉的态函数，它们的值在变化；

麻省理工公开课 - 热力学与动力学课程节选

For isothermal expansion, that means that delta u does not change, but delta q is equal to delta w?

在等温过程中，是不是内能不变，Δq等于Δw？

麻省理工公开课 - 热力学与动力学课程节选

U OK, so let's look at delta u. Delta u is q plus w.

好的，让我们看看Δ

麻省理工公开课 - 热力学与动力学课程节选

These levels are calculated in weekly (W), monthly (M), quarterly (Q), semiannual (S) and annual (A) time horizons, based on the past nine closes in each time horizon.

FORBES: Buy and Trade Beats Buy and Hold

Annual (A), Semiannual (S), Quarterly (Q), Monthly (M) and Weekly (W).

FORBES: It's Time To Sell Strength To Risky Levels