TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HALF-TIME [2 records]

Record 1 2015-07-10

English

Subject field(s)
  • Team Sports

French

Domaine(s)
  • Sports d'équipe

Spanish

Campo(s) temático(s)
  • Deportes de equipo
Save record 1

Record 2 - external organization data 2014-10-30

English

Subject field(s)
  • Compartment - Canadian Nuclear Safety Commission
  • Biochemistry
  • Pharmacodynamics
  • Environment
DEF

The period of time for a chemical substance to lose half its concentration or activity due to metabolic uptake, decay or other chemical change.

CONT

Industrial applications require generally robust enzymes with a long half-life under process conditions.

CONT

... the half-time of PCBs [polychlorinated biphenyl] in soil has been estimated at 5 years.

OBS

In the pollution field, means the time necessary for half the amount of pollutants to lose their polluting effect on the environment.

French

Domaine(s)
  • Tiroir - Commission canadienne de sûreté nucléaire
  • Biochimie
  • Pharmacodynamie
  • Environnement
DEF

Durée nécessaire à la disparition de la moitié d'une substance soumise [à un] processus de biodégradation.

CONT

La demi-vie des molécules d'insuline dans le sang n'est que d'environ trois à quatre minutes; la libération d'insuline à partir du pancréas est ainsi tout à fait responsable des fluctuations des concentrations du glucose sanguin.

CONT

Certains congénères [de BPC (biphényle polychloré)] à teneur en chlore élevée persistent longtemps dans l'environnement (demi-vie de plus de 2 ans) [...]

Spanish

Save record 2

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