And we saw that, you saw that the Joule coefficient for an ideal gas was zero.

我们会发现，你们也会发现，理想气体的焦耳系数是零。

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In this paper we derive the quantitative analysis formula of Joule-Thomsonian coefficient from the knowledge of common physics.

本文用普通物理热学的知识推导出焦尔·汤姆逊系数的定量分析公式。

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The key to calculate the temperature drop induced by adiabatic throttle of compressed natural gas is to find the solution of the Joule-Thomson coefficient.

计算压缩天然气绝热节流的温度降的关键是求解焦耳-汤姆逊系数。

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And we saw that, you saw that the Joule coefficient for an ideal gas was zero.

我们会发现，你们也会发现,理想气体的焦耳系数是零。

麻省理工公开课 - 热力学与动力学课程节选

This is real, unlike the Joule coefficient which is very small so that most gases have tiny Joule coefficients. So if you do a Joule experiment, you hardly measure a temperature change. With real gases, here you do actually measure it. You can feel it with your finger on your bicycle tire.

系数那样小以至于,大多数气体的焦耳系数,都很小，所以如果你做焦耳实验,很难测量出温度的变化,对于真实气体，你可以测量它，你能通过手指按在,自行车轮胎上来感觉到它。

麻省理工公开课 - 热力学与动力学课程节选

And if that's equal to zero, that means that the Joule-Thomson coefficient for an ideal gas is also equal to zero. We're going to actually prove this later in the course.

说明理想气体的,焦耳-汤姆逊系数也等于0。,详细的证明过程,会在以后的课上给出。

麻省理工公开课 - 热力学与动力学课程节选