请输入您要查询的英文单词:
单词
radium emanation
释义
ra
dium em
an
ation
noun
Archaic term for radon.
By 1900, Friedrich Dorn discovered the isotope radon - 222 and called it radium emanation (Em).
...
In 1921 Margaret Uhlig suggested that radium emanation, later known as Rn, may be the cause of the lung cancers.
随便看
governability
governable
governableness
governance
governancy
governante
governation
governatrice
governeress
governess
governess car
governess cart
governessdom
Governess-General
governesshood
governessing
governess-less
governess-like
governess-pupil
governess-ship
governessy
governing body
governing class
governless
government
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/14 14:48:28