TERMIUM Plus®

From: Translation Bureau

On social media

Consult the Government of Canada’s terminology data bank.

NEUTRON REFLECTOMETRY [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2009-11-10

English

Subject field(s)
  • Nuclear Physics
CONT

Neutron reflectometry is a laboratory technique, similar to the often complementary techniques of X-ray reflectivity and ellipsometry. The technique involves shining a highly collimated beam of neutrons onto an extremely flat surface and examining the intensity of reflected radiation as a function of angle.

French

Domaine(s)
  • Physique nucléaire
CONT

Il est important de caractériser la structure atomique et magnétique [des] couches [magnétiques]. La réflectométrie neutronique est un outil particulièrement puissant : en effet la polarisation d'un faisceau de neutrons polarisés va être modifiée par la réflexion par les couches magnétiques. Un analyseur de la polarisation après réflexion va permettre de déterminer les courbes de réflectivité pour des états de spin parallèles ou antiparallèles.

Spanish

Save record 1

Record 2 2005-09-07

English

Subject field(s)
  • Soil Science
  • Scientific Measurements and Analyses
DEF

... volume of water relative to the total volume of soil.

CONT

Another way to express the moisture content of a soil is the volumetric water content... The use of volumetric water content rather than wetness is often more convenient because it is more directly adaptable to the computation of fluxes and water quantities added or subtracted to a soil. Also, volumetric water content represents the depth ratio of soil water, i. e., the depth of water per depth of soil. In Narrabri the volumetric water content was tested by two different methods, these being the Neutron Probe and by Time Domain Reflectometry(TDR).

CONT

Neutronometry: counting of the neutrons thermalized by inelastic shocks on the nuclei of hydrogen atoms using a ’neutron probe’. The volumic water content is determined on the whole soil profile. The equipment is expensive, calibration is delicate, and its use is subject to constraints (radioprotection). However, it can provide rapid and sequential measures at the same place without disturbing the soil.

French

Domaine(s)
  • Science du sol
  • Mesures et analyse (Sciences)
DEF

[...] rapport, [exprimé en pourcentage,] du volume d'eau contenu dans le sol sur le volume apparent de terre (terre + espace poreux).

Key term(s)
  • humidité volumétrique

Spanish

Save record 2

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Display options

Change the order of display of the official languages of Canada
Option to display the non-official languages (Spanish or Portuguese)
Display definitions, contexts, etc., on records

Features

GCtranslate (available on the Government of Canada network only)

Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: