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
Art department of normal university
art derivatives
art design
art design of interior furnishings
art design of Xia, Shang and Western Zhou Dynasties
art director
Art Directors Club Annual Awards
Art distribution
Art division teaching method
Art donation
art duplication
arteannuin
arteannuin; artemisinin
AR technology for civil information
art editor
art education
Art educational psychology
Art Education in ancient Greece
Art Education in ancient Rome
Art Education in song and Yuan Dynasties
Art Education in Sui and Tang Dynasties
Art Education in the Republic of China
Art education teaching method
Art education thought
Art education thought of John Ruskin
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:2026/10/31 12:50:29