So obvious and so easy to be quench't And not as feeling through all parts diffus'd That she might look at will through every pore?

如此显露，如此易受损伤,为什么不像触觉，分布在全身各部,可以通过每一根毛细管去自由观看？

耶鲁公开课 - 弥尔顿课程节选

OK, so we ended up last time, we talked about Joule-Thomson expansion, which is an irreversible expansion through a nozzle, through a porous plug, constant enthalpy expansion.

上节课，我们讨论了焦耳-汤姆逊，膨胀过程,也就是气体，通过毛细管。

麻省理工公开课 - 热力学与动力学课程节选