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
Needham Research Institute
Needing You
needle
Needle and Thread
needle beam
needle board
needle cast
needle coke
Needle Galaxy
needle grasping method
needle-handle shaking method
needle-holding hand
needle insertion method
Needleleaf Forest
needleleaf sedge
needle-leaved plant
needle-leaved tree
needle loom shaft
Needleman-Wunsch algorithm
needle point
needle problem
needle punched batt-on-base felt
needle punched batt-on-mesh felt
needle-punched carpet
needle punching
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:2026/8/31 23:58:38