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Полураспад
| Глоссарий химических терминов |
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Half-life, английский
- Half-life is closely related to the property of radioactive decay and represents the time taken for half the atoms in a radioactive substances to undergo decay and change into another nuclear form (either a radioactive daughter product or a stable form).
- 1. a measurement of the period of time taken before the concentration of a drug has reached half of what it was when it was administered 2. the time taken for half the atoms in a radioactive isotope to decay
- The point in the life of a mortgage-backed security guaranteed or issued by the government national mortgage association, the federal national mortgage association or the federal home loan mortgage corporation when half the principal has been repaid.
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Правильность,, русский
Semi-conductor, английский
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