He urged revival of the slave-trade in the late 1850s, and he developed a theory of what he called warranteeism--w-a-r-r-a-n-t-e-e-I-s-m.

他促成了十八世纪五十年代后期,奴隶交易的复苏,还自己发明了一套理论,名为抵押品主义

耶鲁公开课 - 美国内战与重建课程节选

w This is just q plus w. There's w, RT1 ln q has to be R T1 log of V2 over V1.

而U等于q加，那是w，q应该是。

麻省理工公开课 - 热力学与动力学课程节选