释义 |
potassium 39 po·tas·si·um 39 (39K), (pō-tas'ē-ŭm), Most abundant, nonradioactive isotope of potassium; accounts for 93.1% of natural potassium.po·tas·si·um 39 (pŏ-tas'ē-ŭm) Most abundant, nonradioactive isotope of potassium; accounts for 93.1% of natural potassium. |