出典:Wiktionary
出典:『Wiktionary』 (2025/12/05 21:40 UTC 版)
neutron moderator (plural neutron moderators)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/13 13:51 UTC 版)
In nuclear engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, thereby turning them into thermal neutrons capable of sustaining a nuclear chain reaction involving uranium-235.