rutherford
FREQ #20085
[医] 卢[瑟福](放射物质的蜕变单位)
词形变化
rutherfords
复数
rutherfords
释义与例句
n.
-
1.
An obsolete unit of radioactivity (symbol: rd), defined as the activity of a quantity of radioactive material in which one million nuclei decay per second.
相关短语
词源
After Ernest Rutherford.
来源:wiktionary