| |||
vida media | |||
media de vida | |||
periodo de semidesintegración | |||
período radiactivo; semivida radiactiva |
demi-vie : 22 phrases in 8 subjects |
Chemistry | 2 |
Earth sciences | 1 |
General | 2 |
Health care | 4 |
Medical | 6 |
Nuclear and fusion power | 2 |
Technology | 3 |
United Nations | 2 |