| 单词 | the joule-kelvin effect |
| 释义 | the Joule-Kelvin effect in British English another name for Joule-Thomson effect See full dictionary entry for Joule-Kelvin effectJoule-Thomson effect in British Englishnoun a change in temperature of a thermally insulated gas when it is forced through a small hole or a porous material. For each gas there is a temperature of inversion above which the change is positive and below which it is negative Also called: Joule-Kelvin effect Word origin C20: named after James Prescott Joule and Sir William Thomson, 1st Baron Kelvin |
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