u=q+w We have a relationship between them.

它们之间有关系Δ

麻省理工公开课 - 热力学与动力学课程节选

u=q+w All right, what is delta u? delta u is q plus w.

好，Δu是多少？Δ

麻省理工公开课 - 热力学与动力学课程节选

H=qp The u plus p V. Delta H is equal to q V.

括号里面的就是H，等于u+pv，Δ

麻省理工公开课 - 热力学与动力学课程节选

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

U是q+w，△U不是零。

麻省理工公开课 - 热力学与动力学课程节选