376 / | HD | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS |
347 | DF | REACTOR STRUCTURES {7} |
354 | DF | .~ Fuel material in contact with and supported by fluid {3} |
356 | DF | .~.~ Fuel dispersed in liquid moderator, solution, etc. {2} |
357 | .~.~.~ Vapor forming, separating, or manipulating |