请输入您要查询的字词:
单词
𬭛
释义
𬭛
Encyclopedia
理学
放射性元素
释
bohrium
𬭛
人工放射性元素,元素符号Bh,原子序数107,半衰期最长的同位素的质量数270。属周期系ⅦB族。为纪念丹麦物理学家N.玻尔[注]而命名的。曾被称为107号元素(unnilseptium),符号Uns。
随便看
Booch method
Booch方法
boogie-woogie
booi amban
booi da
booi niru
boojum
Book
book
book advertisement
book agency in university and college press
Book Aid International
Book Almanac of China
book and newspaper stand
book and periodical information pushing
Book and Sword
book backlog
book-banning case caused by the Poems of Jianghu School
book banning in ancient China
book banning in the Qing Dynasty
book-basking
bookbinding
bookbinding and layout
bookblock processing
book circulation modes
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:2026/10/18 13:26:14