单词 | gaseous diffusion |
释义 | gaseous diffusion [¦gash·ǝs di`fyü·zhǝn] CHEMICAL ENGINEERING 1. Pressure-induced free- molecular transfer of gas through microporous barriers as in the process of making fissionable fuel. 2. Selective solubility diffusion of gas through nonporous polymers by absorption and solution of the gas in the polymer matrix. |
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