| 单词 | activated alumina |
| 释义 | activated alumina [`ak·tǝ´vād·ǝd ǝ`lüm·ǝ·nǝ] MATERIALS Highly porous, granular aluminum oxide that preferentially absorbs liquids from gases and vapors, and moisture from some liquids; also used as a catalyst or catalyst carrier, as an absorbent to remove fluorides from drinking water, and in chromatography. |
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