An artificially produced ISOTOPE of the element Yttrium. The isotope is radioactive and emits beta rays which are utilised for the treatment of tumours.
| 单词 | Yttrium 90 |
| 释义 | An artificially produced ISOTOPE of the element Yttrium. The isotope is radioactive and emits beta rays which are utilised for the treatment of tumours. |
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