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NEUTRON DENSITY [7 records]

Record 1 2015-08-28

English

Subject field(s)
  • Atomic Physics
DEF

The proportionality factor between neutron current density and the negative gradient of the neutron number density.

OBS

diffusion coefficient for neutron number density: term and definition standardized by ISO.

French

Domaine(s)
  • Physique atomique
DEF

Facteur de proportionnalité entre la densité de courant de neutrons et l'opposé du gradient du nombre volumique de neutrons.

OBS

coefficient de diffusion pour le nombre volumique de neutrons : terme et définition normalisés par l'ISO.

Spanish

Save record 1

Record 2 2015-04-28

English

Subject field(s)
  • Atomic Physics
DEF

The particle current density of neutrons.

OBS

neutron current density: term and definition standardized by ISO.

French

Domaine(s)
  • Physique atomique
DEF

Densité de courant de particules des neutrons.

OBS

densité de courant de neutrons : terme et définition normalisés par l'ISO.

Spanish

Save record 2

Record 3 2015-04-24

English

Subject field(s)
  • Atomic Physics
DEF

The proportionality factor between neutron current density and the negative gradient of the neutron flux density.

OBS

diffusion coefficient for neutron flux density: term and definition standardized by ISO.

French

Domaine(s)
  • Physique atomique
DEF

Facteur de proportionnalité entre la densité du courant de neutrons et l'opposé du gradient de la densité de flux de neutrons.

OBS

coefficient de diffusion pour la densité de flux de neutrons : terme et définition normalisés par l'ISO.

Spanish

Save record 3

Record 4 2014-12-30

English

Subject field(s)
  • Atomic Physics
DEF

The solution of the adjoint diffusion or transport equation.

OBS

adjoint flux; adjoint of the neutron flux density: terms and definition standardized by ISO in 1997.

French

Domaine(s)
  • Physique atomique
DEF

Solution de l'équation adjointe de la diffusion ou du transport.

OBS

flux adjoint; adjoint de la densité de flux neutronique : termes et définition normalisés par l'ISO en 1997.

Spanish

Save record 4

Record 5 2010-12-15

English

Subject field(s)
  • Atomic Physics
DEF

At a given point in space, the number of neutrons incident on a small sphere in a time interval divided by cross sectional area of that sphere and by the time interval.

CONT

Neutron flux density is the number of neutrons passing through a one square centimeter flat sheet per second in any direction.

French

Domaine(s)
  • Physique atomique
CONT

Le débit de fluence est le nombre de neutrons traversant une surface plane de un centimètre carré par seconde, dans n'importe quelle direction.

Spanish

Campo(s) temático(s)
  • Física atómica
Save record 5

Record 6 2006-11-15

English

Subject field(s)
  • Geophysics
CONT

radioactivity logs: Any of several types of geophysical measurements taken in bore holes using either the natural radioactivity in the rocks, or the effects of radiation on the rocks to determine the lithology or other characteristics of the rocks in the walls of the borehole. (Examples: Natural gamma radiation log; neutron density log).

OBS

neutron-density log: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géophysique
OBS

diagraphie neutron-densité : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 6

Record 7 2002-10-23

English

Subject field(s)
  • Chemistry
  • Atomic Physics
  • Nuclear Power Stations
DEF

The number of free neutrons per unit volume. Partial densities may be defined for neutrons characterized by such parameters as energy and direction.

OBS

neutron (number) density

Key term(s)
  • neutron density

French

Domaine(s)
  • Chimie
  • Physique atomique
  • Centrales nucléaires
OBS

Nombre de neutrons libres par unité de volume. Des nombres partiels peuvent être définis pour des neutrons caractérisés par des paramètres tels que l'énergie et la direction.

Spanish

Save record 7

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