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单词 joule-thomson effect
释义 joule-thom·son effect
\ˈ ̷ ̷ˈtäm(p)sən-\ noun
Usage: usually capitalized J&T
Etymology: after J. P. Joule and Sir William Thomson (Lord Kelvin) died 1907 British physicist
: the change in temperature of a gas on expansion through a porous plug from a high pressure to a lower one under adiabatic conditions, the observation of this change proving among other things that Joule's second law is only approximately true
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更新时间:2024/11/12 4:11:19