| 单词 |
einsteinium |
| 释义 |
einsteinium Chem.|aɪnʃˈtaɪnɪəm, -st-| [f. the name of Albert Einstein + -ium.] An artifically produced radioactive element. Symbol Es. Atomic number 99. Atomic mass of isotope 253 (1967) 253·0847.
1955[see fermium]. 1958Times 29 Aug. 6/3 The following 10 [transuranic elements] were known..einsteinium (99), fermium (100). 1967New Scientist 6 July 22/2 Oak Ridge National Laboratory says it has succeeded in separating roughly one ten millionth of an ounce of einsteinium, the transuranic element first discovered in 1954. |

英语词典包含277258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。
相关内容:
相关热词搜索:einsteinium英英词典英英释义英语词汇意思用法释义英语