英语词汇“diffusion velocity”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	diffusion velocity
释义	diffusion velocity diffusion velocity [də′fyü·zhən və′läs·əd·ē] (fluid mechanics) The relative mean molecular velocity of a selected gas undergoing diffusion in a gaseous atmosphere, commonly taken as a nitrogen (N₂) atmosphere; a molecular phenomenon that depends upon the gaseous concentration as well as upon the pressure and temperature gradients present. The velocity or speed with which a turbulent diffusion process proceeds as evidenced by the motion of individual eddies.
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