Distinguish, английский Отличать; различать; различаться
Decontamination factor (rt), английский The ratio of the amount of radioactive contaminant initially present to the amount remaining after a suitable processing step has been completed. a factor referring to the reduction of the gross measurable radioactivity.
Subject contrast (rt), английский The ratio (or the logarithm of the ratio) of the radiation intensities transmitted by selected portions of the specimen.
