“permanent gas”的概念、定义、翻译、参考文献-科学参考

　

单词	permanent gas
释义	permanent gas Physics A gas, such as oxygen or nitrogen, that was formerly thought to be impossible to liquefy. A permanent gas is now regarded as one that cannot be liquefied by pressure alone at normal temperatures (i.e. a gas that has a critical temperature below room temperature). Chemistry A gas, such as oxygen or nitrogen, that was formerly thought to be impossible to liquefy. A permanent gas is now regarded as one that cannot be liquefied by pressure alone at normal temperatures (i.e. a gas that has a critical temperature below room temperature). Chemical Engineering A gas that was once thought to be impossible to liquefy, such as oxygen and nitrogen. It is now considered to be a gas that is not able to be liquefied by pressure alone at normal room temperature. That is, the gas has a critical temperature below normal room temperature.
随便看	polarized radiation polarized relay polarizer polarizing angle polarizing microscope polar molecule polar motion polar nuclei polarography Polaroid polaron polar orbit Polar Orbiting Passive Atmospheric Calibration Sphere polar plot polar plume polar ring galaxy Polar Satellite Launch Vehicle polar sequence polar solvent polar stratospheric cloud Polar units polar vector polar vortex polar wandering polar wander path

　

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