请输入您要查询的字词:
单词
释义
Encyclopedia
理学
放射性元素
释
copernicium
人工放射性元素,元素符号Cn,原子序数112,半衰期最长的同位素的质量数285。属周期系ⅡB族。为纪念波兰天文学家N.哥白尼[注]而命名。曾被称为112号元素(ununbium),符号Uub。
随便看
unsigned number
unsmeltable
unsmooth discharge
unsolicited distribution
unsolidified
unsolvability
unsolvability theorem
unsolvable
unsolvable algorithmic problem
unsolvable associative calculus
unsolvable decidability problem
unsolvable differential equations
unsolvable elementary theory
unsolvable equation
unsolvable problem
unsolvable set
unsolved
unsolved problem
unsorted union
unsounded
unsound interpretation
unsqueezing
unstability
unstability of drift wall rock
unstable
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/11/28 11:13:08