The study also noted that when tilled soil particles come in contact with air, soil organic matter is lost through the process of oxidation.

VOA: special.2010.09.28

But you don't compress it so quickly that you're not in there reversible process so you compress that if you were to feel the temperature of the air and you can feel it through the nozzle gives you an idea of the temperature of the air inside your bicycle pump.

但是压缩速度,也不能太快,否则就不是,可逆过程了,这样当压缩气体时,从喷嘴可以感受到,内部气体的温度。

麻省理工公开课 - 热力学与动力学课程节选

The gravel remains cool until it is needed to restart the air-chilling process.

BBC: Liquid air 'offers energy storage hope'

The water absorbs the heat and is then stored and reapplied to the air during the expansion process.

ECONOMIST: Energy storage

The departure of Air One from the bidding process leaves a US private equity group, Matlin Patterson Global Advisers, as the sole declared suitor for the purchase.

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