So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.

焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。

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The expansion of free markets has indeed been a boon to Africa.

自由市场的扩张的确为非洲带来了好处。

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If a space is expanded because there are literally no free pages left, this is called a reactive expansion.

如果因为几乎没有空闲页面可用而扩展空间，这称为被动扩展。

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It turns out that this quantity here, which is called eta of J the Joule free expansion parameter, is not quite zero.

这个量后来被，称作焦耳膨胀系数,其实并不等于零。

麻省理工公开课 - 热力学与动力学课程节选

This one turns out to be the heat capacity, and this one turns out to be something that we measure in the Joule-free expansion.

其实，这就是热容，这是焦耳自由膨胀实验中,我们要测量的物理量。

麻省理工公开课 - 热力学与动力学课程节选

So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.

焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。

麻省理工公开课 - 热力学与动力学课程节选

This tapering off of expansion should free up cash to pay down debt, enlarge the dividend and fund a new share buyback plan.

FORBES: Magazine Article

But Lib Dem peer and former education spokesman, Lord Willis, said the expansion of free schools would depend on allowing providers to make a profit.

BBC: Nick Clegg rules out running free schools for profit

Another involves trade policy, where economic populists in the party are less friendly to expansion of free trade and more concerned about U.S. workers under pressure from foreign competition.

WSJ: Democrats Expand Majorities in Congress