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to phrases
radioactive substance
nucl.pow. radioaktyvioji cheminė medžiaga; radioaktyvioji medžiaga
radioactive substance Any substance that contains one or more radionuclides of which the activity or the concentration cannot be disregarded as far as radiation protection is concerned
environ. radioaktyvioji medžiaga
radioactive substance: 1 phrase in 1 subject
General1