请输入您要查询的字词:
单词
𬭊
释义
𬭊
Encyclopedia
理学
放射性元素
释
dubnium
𬭊
人工放射性元素,元素符号Db,原子序数105,半衰期最长的同位素的质量数268。属周期系ⅤB族。以俄罗斯杜布纳联合核子研究所所在地杜布纳(Dubna)命名。
随便看
undecidable theory
undecillion
undecimal
undecimal number system
undecimal system
undecomposable
undefinability
undefined
undefined concept
undefined symbol
undefined technical term
undefined term
undeflected
undeformed
undegraded
undegraded neutron
undelayed neutron
undemonstrable
Undeniable Signature
undepleted flux
underactuated control
underactuated mechanism
underageing
underage opera performer
under annealing
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:2026/8/17 0:09:17