TERMIUM Plus®

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

FIVE-DAY BOD [1 record]

Record 1 2011-07-22

English

Subject field(s)
  • Environmental Studies and Analyses
  • Water Pollution
  • Biochemistry
DEF

That part of oxygen demand usually associated with biochemical oxidation of carbonaceous material within 5 days at 20°C. First stage biochemical oxygen demand.

OBS

BOD5.

Key term(s)
  • five day BOD
  • five day biochemical oxygen demand

French

Domaine(s)
  • Études et analyses environnementales
  • Pollution de l'eau
  • Biochimie
DEF

Mesure de la consommation spontanée d'oxygène d'une masse d'eau conservée à l'obscurité en tube fermé pendant 5 jours à 20 °C, utilisée pour évaluer la pollution de l'eau et exprimée en milligrammes par litre d'eau.

OBS

D.B.O.5; DBO5 : Lorsque le chiffre cinq suit immédiatement l'abréviation, comme ici, il se place en indice.

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
  • Contaminación del agua
  • Bioquímica
DEF

Demanda bioquímica de oxígeno determinada por el procedimiento normal de laboratorio, en 5 días y a 20°C y usualmente expresada en partes por millón de oxígeno.

CONT

El parámetro de contaminación orgánica más utilizado y aplicable a las aguas residuales y superficiales es la DBO a los cinco días (DBO5).

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