DOSES AND SOURCES OF RADIATION EXPOSURE. DOSE CONCEPTS, QUANTITIES AND UNITS.
Chemical composition of the stars in the substructures of the Galaxy (-1 0.3) Mishenina T.V. 1 -Astronomical Observatory of Odessa National University,
EXTERNAL AND INTERNAL CONTAMINATION. Radioactive sources Radioactive sources are present in the sealed (normally non spreadable) and unsealed form (spreadable):
Chemical composition of the stars in the substructures of the Galaxy (-1 0.3)
Sources of radiation. Sources of radiation exposure to people population.
