Betekenis van:
half-life

half-life
Zelfstandig naamwoord
  • halveringstijd
  • the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)

Synoniemen

Hyperoniemen

half-life
Zelfstandig naamwoord
  • halfwaardetijd
  • the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)

Synoniemen

Hyperoniemen


Voorbeeldzinnen

  1. Plutonium-244 has a half-life of 80 million years.
  2. Plutonium-239 has a half-life of 24,100 years.
  3. Bear in mind that half one's life is lived after forty.
  4. The old Earl said: "We spend one half of our life in regretting the things we did in the other half."
  5. The second half of a man's life is made up of nothing but the habits he has acquired during the first half.
  6. Half our life is spent trying to find something to do with the time we have rushed through life trying to save.
  7. the half-life in marine, fresh- or estuarine water is higher than 60 days, or
  8. the half-life in marine, fresh- or estuarine water sediment is higher than 180 days, or
  9. Biodegradation simulation test to determine half-life in the marine environment
  10. the half-life in marine water is higher than 60 days, or
  11. the half-life in fresh- or estuarine water is higher than 40 days, or
  12. the half-life in fresh- or estuarine water sediment is higher than 120 days, or
  13. The half-life and the degradation rate constant are related by the equation t1/2 = ln2/k. Degradation half time, DT50 (d): Term used to quantify the outcome of biodegradation tests.
  14. a short term biopersistence test by intratracheal instillation has shown that the fibres longer than 20 μm have a weighted half-life less than 40 days; or
  15. Including awake periods, babies and young children spend at least half of the day in a sleep environment during their first five years of life.