Related by context. Frequent words. (Click for all words.) 69 Chalk River 63 AECL 59 reactor 59 NRU 58 medical isotopes 57 refueling outage 55 reactors 53 nuclear reactor 53 MDS Nordion 51 nuclear reactors 51 CNSC 51 Davis Besse 50 Cigar Lake 50 NRC 49 Koeberg 49 Reactor 48 Vermont Yankee 48 megawatt reactor 48 isotopes 48 OPG 47 Bushehr reactor 47 isotope 47 radioisotopes 46 Nuclear Regulatory Commission 45 Browns Ferry 45 Fukushima Daiichi plant 45 Atomic Energy 45 Reactors 45 MOX 45 Fukushima plant 44 Fukushima Daiichi 44 steam generators 44 Bushehr plant 44 Cameco 44 Large Hadron Collider LHC 44 decommissioning 44 UF6 43 Dounreay 42 reprocessing 42 tritium 42 reactor cores 42 radiopharmaceuticals 42 nuclear 42 uranium conversion 42 Hubble Space Telescope 42 Elektron 42 fuel rods 42 Jaczko 42 Yongbyon reactor 42 Fukushima Dai ichi nuclear 42 orbiting laboratory 41 collider 41 plutonium 41 Tepco 41 BNFL 41 Vermont Yankee nuclear 41 radioactive isotopes 41 largest atom smasher 41 NNSA 41 Nuclear 40 Entergy Nuclear 40 SaskPower 40 Watts Bar 40 Diablo Canyon 40 British Nuclear Fuels 40 Nuclear Decommissioning Authority 40 shuttle fleet 40 radioisotope 40 HEU 40 Cerezyme 40 Yongbyon 40 Hubble 40 steam generator 39 Fukushima nuclear 39 fission 39 Large Hadron Collider 39 Tuwaitha 39 blowout preventers 39 TEPCO 39 Hubble telescope 39 decommission 39 Fukushima Daiichi nuclear 39 Co TEPCO 39 Oyster Creek 39 Kiriyenko 39 Fabrazyme 39 Kalpakkam 39 Nuclear Plant 39 PBMR 38 MDS Pharma Services 38 decommissioned 38 orbiting outpost 38 unplanned outages 38 IAEA 38 molybdenum 38 particle accelerator 38 Fukushima Dai ichi 38 uprate 38 NB Power 38 grade plutonium 38 radioactive isotope