Native uranium oxide, occurring as an amorphous or microcrystalline variety of uraninite in brown to black masses, and containing radium from the…
| 单词 | θ79509 |
| 释义 | the world > matter > physics > atomic nucleus > radioactivity > [noun] > uranium > native oxide of (1) pitchblende1898 Native uranium oxide, occurring as an amorphous or microcrystalline variety of uraninite in brown to black masses, and containing radium from the… |
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