| |||
background radiation; background radiation Radiation resulting from natural sources, as opposed to man-made sources, and to which people are exposed in everyday, normal life; for example from rocks and soil | |||
ambient radiation | |||
background |
rayonnement ambiant : 7 phrases in 3 subjects |
Environment | 1 |
Natural resourses and wildlife conservation | 1 |
Nuclear physics | 5 |