| 376 / | HD | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS |
| 277 | DF | REACTOR PROTECTION OR DAMAGE PREVENTION {14} |
| 287 | DF | .~ Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) {4} |
| 293 | DF | .~.~ Containment structures {1} |
| 294 | DF | .~.~.~ Pressure vessels {1} |
| 295 | | .~.~.~.~ Concrete {1} |
| 296 | DF | .~.~.~.~.~> Prestressed |