Moderated Reactors

Some articles on reactors, moderated reactors:

Nuclear Reactor - Reactor Types - Classifications - Classification By Moderator Material
... Used by thermal reactors Graphite moderated reactors Water moderated reactors Heavy water reactors Light water moderated reactors (LWRs) ... Light water reactors use ordinary water to moderate and cool the reactors ... Graphite and heavy water reactors tend to be more thoroughly thermalised than light water reactors ...