SimilarityRank
radionuclide 0.754 60202
neutron 0.718 24797
radioactivity 0.684 39280
plutonium 0.680 35882
proton 0.676 20444
gamma_ray 0.669 77142
thorium 0.668 91969
radioactive 0.660 38124
tritium 0.660 90971
trace_element 0.651 82700
uranium 0.638 18705
radioactive_material 0.638 55020
atom 0.633 7438
hydrogen_atom 0.620 96670
boron 0.618 94693
organic_compound 0.617 62871
geochemistry 0.614 85136
neutrino 0.609 41916
Uranium 0.598 74440
mass_spectrometry 0.595 55628
hydrogen 0.593 10438
electron 0.591 9389
cosmic_ray 0.589 60042
iodine 0.587 45118
spectroscopy 0.582 29325