strontium unit
短语[化] 锶单位
词形变化
strontium units
复数
strontium units
释义与例句
n.
-
1.
A unit of radioactivity from strontium-90 in a person's body, equal to one picocurie from strontium-90 per gram of calcium (37 becquerels per kilogram) in the subject's skeleton.