请输入您要查询的字词:
单词
americium-beryllium neutron source
释义
americium-beryllium neutron source
Encyclopedia
理学
原子核
释
americium-beryllium neutron source
镅-铍中子源
利用镅-241(241Am)衰变时放出的α粒子去轰击铍(Be)核发生(α,n)核反应,从而放出中子的装置。是α中子源的一种。
随便看
earth-light
earthlight
Earth-like exoplanet
Earth-like planet
earthly branch-preion of point selection
earth magnetic field
earth magnetosphere
earth mantle
earth mass redistribution
earth metal
Earth Microbiome Project
earth model
Earth Moon and Planets
Earth-Moon mass ratio
earth-moon problem
earth-moon space
earth-moon system
earth-moving doctrine in ancient China
earth moving machinery
earthmoving stick
earth nucleus
earth oblateness
earth observation satellite
Earth Observation System
Earth Observing System
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:2026/1/28 18:58:47