| 释义 |
nuclear fuel pellet nuclear fuel pellet[′nü·klē·ər ¦fyül ‚pel·ət] (nucleonics) A piece of nuclear fuel usually in the shape of a sphere or cylinder, used in pebble-bed reactors, inserted in graphite blocks, or used in metallic tubular fuel elements. Also known as fuel ball; nuclear fuel pebble; reactor fuel pellet. |