376 / | HD | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS |
347 | DF | REACTOR STRUCTURES {7} |
361 | DF | .~ Circulating fluid within reactor {6} |
383 | DF | .~.~ Fluid is a gas {3} |
385 | DF | .~.~.~ Having specified flow path or pattern within reactor core {3} |
386 | .~.~.~.~ Plural separate loops |