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| decay half-life; half-life time; half-life value | |||
| half change value | |||
| time to half value | |||
| half-life The time required for one-half the atoms of a given amount of radioactive material to undergo radioactive decay | |||
| effective life | |||
| half-life | |||
| elimination half-life; metabolic half-life; metabolic half-time | |||
| half-life period; radioactive half-life | |||
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| radioactive half-life | |||
| halveringstid: 16 phrases in 8 subjects |
| Chemistry | 3 |
| Earth sciences | 2 |
| General | 3 |
| Health care | 3 |
| Medical | 1 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 1 |
| Technology | 2 |