释义 |
calcium 47 cal·ci·um 47 (47Ca), (kal'sē-ŭm), A radioisotope of calcium with a half-life of 4.54 days, used in the diagnosis of disorders of calcium metabolism.cal·ci·um 47 (kal'sē-ŭm) A radioisotope of calcium with a half-life of 4.54 days, used in the diagnosis of disorders of calcium metabolism. |