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URANIUM [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2008-02-22

English

Subject field(s)
  • Geochemistry
  • Chemistry
  • Radioactive Ores (Mining)
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
U
symbol
DEF

A hard grey radioactive metal which occurs in a number of isotopic forms.

CONT

Uranium is a naturally occurring radioactive element that is also widely distributed on earth. Throughout the decay of uranium, a cascade of different radionuclides (a decay series) is formed until stable, non-radioactive lead is reached.

OBS

[Uranium is] used to fuel nuclear power plants.

OBS

As found in nature uranium consists of three isotopes of mass numbers 238, 235, 234 with relative abundances 99.28 per cent, 0.71 per cent and 0.006 per cent. ... symbol U, atomic number 92, atomic weight 238.0 ...

French

Domaine(s)
  • Géochimie
  • Chimie
  • Minerais radioactifs (Mines métalliques)
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
U
symbol
DEF

Métal lourd, radioactif, blanc argent, faisant partie du groupe des actinides et souvent associé au thorium.

OBS

Numéro atomique : 92. Masse atomique : 238,03 [...] Isotopes : de227U à255U. Uranium naturel : 3 isotopes radioactifs238U = 99.28 %,235U =0,71 %,234U =0,006 %.

OBS

[L'uranium est] utilisé comme combustible dans les centrales nucléaires.

Spanish

Campo(s) temático(s)
  • Geoquímica
  • Química
  • Minerales radioactivos (Minas metálicas)
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
U
symbol
DEF

Metal, número atómico 92, muy denso, fusible a muy elevada temperatura, el de mayor peso atómico que se encuentra en la naturaleza; es el primer elemento de una serie radiactiva.

CONT

Durante largo tiempo, el uranio solamente fue subproducto del radio. Hoy tiene una importancia considerable como combustible de los reactores nucleares y materia explosiva de las bombas atómicas. En estas aplicaciones representa [un] papel importante el isótopo 235, el único de los tres naturales que [es] fisible.

Save record 1

Record 2 2001-04-27

English

Subject field(s)
  • Titles of Monographs
  • Chemistry
  • Geochemistry
OBS

Published by Health Canada, Health Protection Branch, under the Guidelines for Canadian Drinking Water Quality - Supporting Documents. Prepared by the Federal-Provincial Subcommittee on Drinking Water of the Federal-Provincial Committee on Environmental and Occupational Health, Ottawa, (edited January 1988), 4 pages.

French

Domaine(s)
  • Titres de monographies
  • Chimie
  • Géochimie
OBS

Publié par Santé Canada, Direction générale de la protection de la santé. Préparé par le Sous-comité fédéral-provincial sur l'eau potable du Comité fédéral-provincial de l'hygiène du milieu et du travail, Ottawa, (révisé en janvier 1988), 5 pages.

Spanish

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