| 单词 | dempster, a. j. |
| 释义 | Dempster, A. J.Dempster, A. J. (Arthur Jeffrey)(1886–1950) physicist; born in Toronto, Ontario, Canada. He came to the U.S.A. to study at the University of Chicago (1914). He spent his teaching and research career there (1917–50), except for the years that he worked on the Manhattan Project (1941–45). He made major contributions to the field of mass spectroscopy and was the discoverer of uranium-235 (1935). |
| 随便看 |
|
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。