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BECQUEREL [1 record]

Record 1 - external organization data 2011-09-30

English

Subject field(s)
  • Metrology and Units of Measure
  • Nuclear Physics
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
DEF

The International System unit of activity of a radionuclide, equal to the activity of a quantity of a radionuclide having one spontaneous nuclear transition per second.

CONT

One becquerel equals one disintegration per second. The becquerel replaces the curie; 1 Bq is approximately equal to 27 picocuries.

OBS

becquerel; Bq: term and symbol standardized by ISO.

French

Domaine(s)
  • Unités de mesure et métrologie
  • Physique nucléaire
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
DEF

Unité SI [Système international] de mesure d'activité nucléaire [...] égale à l'activité d'une quantité de nucléide radioactif pour laquelle le nombre de transitions nucléaires spontanées par seconde est égal à 1.

CONT

Un becquerel correspond à une désintégration par seconde. Le becquerel remplace le curie comme unité de mesure; 1 becquerel équivaut à environ 27 picocuries.

OBS

De Henri Becquerel, prix Nobel 1903 (prix commun avec Marie et Pierre Curie).

OBS

becquerel; Bq : terme et symbole normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Metrología y unidades de medida
  • Física nuclear
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
DEF

Unidad de actividad del Sistema Internacional de Unidades (SI) [igual a la] radiactividad de una muestra que se desintegra, como promedio, una vez por segundo.

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