请输入您要查询的字词:
单词
镭
释义
镭
Encyclopedia
理学
放射性元素
释
radium
镭
天然放射性元素,元素符号Ra,原子序数88,半衰期最长的同位素的质量数226,属周期系ⅡA族,碱土金属元素。英文名来源于拉丁文radius(射线)。
Astronomy
全称:radium。缩写:Ra
镭
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
radium
镭
随便看
co-/post-seismic signals
copower
copped
Coppelia
Coppename River
copper
copper-64
copper 67
copper-67
copper abietate
copper access
copper acetate meta-arsenite
copper acetate metaarsenite
copper alloy
copper alloy of art
copper and copper alloy for common structure
copper and nickel sulphide deposit
copper and zinc etching printing
copper anode slimes
copper as litigation expense
copper azide
Copperbelt Province
Copper bird Terrace
copper bird test of aircraft power supply system
copper-block calorimeter
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:2025/8/27 2:29:21