请输入您要查询的字词:
单词
释义
Encyclopedia
理学
放射性元素
释
nihonium
人工放射性元素,元素符号Nh,原子序数113,半衰期最长的同位素的质量数286。属于周期系ⅢA族。以日本理化学研究所所属国的国名日语发音命名。曾被称为113号元素(ununtrium),符号Uut。
随便看
quartering
quarternary structure
quarter period
quarter-square
quarter squares rule
quarter-wave line
quarter wave plate
quarter-wave plate
quartet
quartic
quartic curve
quartic equation
quartic equation with one unknown
quartic extension
quartic graph
quartic manifold
quartic parabola
quartic polynomial
quartic reciprocity theorem
quartic residue
quartics
quartic surface
quartic symmetric graph
quartic symmetry
quartic vertex-transitive graph
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 15:37:32