A preparation consisting largely of calcium peroxide or sodium peroxide, which releases oxygen on reaction with carbon dioxide.
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| 单词 | θ75402 |
| 释义 | the world > matter > gas > [noun] > specific gases > gas used in breathing apparatus (3) oxylithe1902 A preparation consisting largely of calcium peroxide or sodium peroxide, which releases oxygen on reaction with carbon dioxide. oxyhelium1966 a mixture of oxygen and helium, used as a breathing mixture in deep-sea diving. tri-mix1976 a breathing mixture for deep-sea divers composed of nitrogen, helium, and oxygen. |
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