Heat causes the expansion of gases.
热使气体膨胀。
The Boomerang Nebula's expansion creates a kind of cosmic refrigerator, allowing the gases to maintain their unusual cool.
回飞棒星云的膨胀创造了一种宇宙冰箱，使气体维持其异常的寒冷。
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。
But the Boomerang Nebula's expansion creates a kind of cosmic refrigerator, allowing the gases to maintain their unusual cool.
然而回飞棒星云的扩张却创建了一种特定类型的宇宙的冷冻器，它能容许气体维持它们原来的异常冷却温度。
PROFESSOR: Last few lectures, and we started to see some of the consequences and looked at simple changes, transformations of expansion and mixtures of liquids and gases.
教授：之前几节中，我们开始看到一些过程及结果，混合的简单的变化，关于气体，液体的扩散。
The law states that entropy increases during irreversible processes such as spontaneous mixing of hot and cold gases, uncontrolled expansion of a gas into a vacuum, and combustion of fuel.
根据这一定律，在热气体与冷气体的自发混合、气体向真空的自由膨胀以及燃料的燃烧之类的不可逆过程中，熵都是增加的。
The burning and expansion of the gases in the combustion chamberproduces pressure.
燃气在燃烧室燃烧并膨胀，产生压力。
The variation of CHGR with depth is available from the calibration of the porosity, gas saturation of electric log interpretation of the reservoir and hydrocarbon gases expansion coefficient.
经储集层段测并解释孔隙度、含气饱和度及天然气膨胀系数等校正，可作出岩石含烃浓度随深度剖面变化的成果图。
The variation of CHGR with depth is available from the calibration of the porosity, gas saturation of electric log interpretation of the reservoir and hydrocarbon gases expansion coefficient.
经储集层段测并解释孔隙度、含气饱和度及天然气膨胀系数等校正，可作出岩石含烃浓度随深度剖面变化的成果图。
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