Real refrigerators actually work with liquids that go into gases so use the latent heat of the liquid, so it doesn't really work like the Joule-Thomson expansion. So this is real.
液体变成气体来工作,以运用液体的潜热,所以这不是,真正像焦耳-汤姆逊膨胀一样工作,这是真实的气体,不像焦耳。
First is testing with real patients, so as to demonstrate that this is a feasible technology they can benefit from.
VOA: special.2011.04.04
dT/dp is mu JT. So for a real gas like air, this is a positive number. It's not zero.
所以对于像空气这样的真实气体,这是一个正数,不等于零。
So if you want a real milk to drink, go to the cow and tell, "Give me fresh milk."
所以,如果你想喝真正的牛奶了,就去跟牛说,“给我点儿新鲜牛奶吧。”
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