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HALF-VALUE LAYER [4 records]
Record 1 - internal organization data 2016-11-30
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Nuclear Physics
- Radiological Physics (Theory and Application)
- CBRNE Weapons
Record 1, Main entry term, English
- half-value thickness
1, record 1, English, half%2Dvalue%20thickness
correct, standardized
Record 1, Abbreviations, English
- HVT 2, record 1, English, HVT
correct
Record 1, Synonyms, English
- half-value layer 3, record 1, English, half%2Dvalue%20layer
correct, standardized
- HVL 4, record 1, English, HVL
correct
- HVL 4, record 1, English, HVL
- half-thickness 5, record 1, English, half%2Dthickness
correct
- half thickness 6, record 1, English, half%20thickness
correct, NATO, standardized
- half-value depth 7, record 1, English, half%2Dvalue%20depth
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The thickness of a specified substance which, when introduced into the path of a given beam of radiation, reduces the value of a [specified radiation] quantity by one-half. 8, record 1, English, - half%2Dvalue%20thickness
Record number: 1, Textual support number: 1 OBS
half-value layer; half-value thickness : terms standardized by ISO in 1997. 9, record 1, English, - half%2Dvalue%20thickness
Record number: 1, Textual support number: 2 OBS
half thickness: term standardized by NATO. 9, record 1, English, - half%2Dvalue%20thickness
Record number: 1, Textual support number: 3 OBS
half-value thickness; HVT; half-value layer; HVL; half-value depth; HDV : terms and abbreviations extracted from the “Glossaire de l'énergie nucléaire” and reproduced with permission of the Organisation for Economic Co-operation and Development. 9, record 1, English, - half%2Dvalue%20thickness
Record 1, French
Record 1, Domaine(s)
- Chimie
- Physique nucléaire
- Physique radiologique et applications
- Armes CBRNE
Record 1, Main entry term, French
- couche de demi-atténuation
1, record 1, French, couche%20de%20demi%2Datt%C3%A9nuation
correct, feminine noun, standardized
Record 1, Abbreviations, French
- CDA 2, record 1, French, CDA
correct, feminine noun
Record 1, Synonyms, French
- épaisseur de demi-atténuation 3, record 1, French, %C3%A9paisseur%20de%20demi%2Datt%C3%A9nuation
correct, feminine noun
- épaisseur de demi-absorption 4, record 1, French, %C3%A9paisseur%20de%20demi%2Dabsorption
correct, feminine noun
- demi-épaisseur 5, record 1, French, demi%2D%C3%A9paisseur
correct, feminine noun, NATO, standardized
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Épaisseur d'une substance déterminée qui, interposée sur le trajet d'un faisceau de rayonnement donné, réduit de moitié la valeur d'une grandeur de rayonnement. 6, record 1, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 1, Textual support number: 1 OBS
couche de demi-atténuation : terme et définition normalisés par l'ISO en 1997. 7, record 1, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 1, Textual support number: 2 OBS
demi-épaisseur : terme normalisé par l'OTAN. 7, record 1, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 1, Textual support number: 3 OBS
couche de demi-atténuation; CDA : terme et abréviation extraits du «Glossaire de l’énergie nucléaire» et reproduits avec l’autorisation de l’Organisation de coopération et de développement économiques. 7, record 1, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 1, Textual support number: 4 OBS
couche de demi-atténuation; CDA; épaisseur de demi-atténuation : termes et sigle publiés au Journal officiel de la République française le 22 septembre 2000. 7, record 1, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Física nuclear
- Física radiológica (Teoría y aplicación)
- Armas QBRNE
Record 1, Main entry term, Spanish
- grosor de hemi-absorción
1, record 1, Spanish, grosor%20de%20hemi%2Dabsorci%C3%B3n
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- espesor medio 2, record 1, Spanish, espesor%20medio
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Espesor de material absorbente necesario para reducir a la mitad la intensidad de la radiación que lo atraviesa. 2, record 1, Spanish, - grosor%20de%20hemi%2Dabsorci%C3%B3n
Record 2 - external organization data 2015-05-04
Record 2, English
Record 2, Subject field(s)
- Compartment - Canadian Nuclear Safety Commission
- Atomic Physics
- Radiation Protection
- Medical Imaging
Record 2, Main entry term, English
- half-value layer
1, record 2, English, half%2Dvalue%20layer
correct, standardized
Record 2, Abbreviations, English
- HVL 2, record 2, English, HVL
correct
Record 2, Synonyms, English
- half-value thickness 3, record 2, English, half%2Dvalue%20thickness
correct
- HVT 4, record 2, English, HVT
correct
- HVT 4, record 2, English, HVT
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The thickness of a material [uranium, tungsten, lead, etc.] which reduces the amount of radiation to one half of its initial intensity. 5, record 2, English, - half%2Dvalue%20layer
Record number: 2, Textual support number: 1 OBS
The thickness of the half-value layer will depend on the material and the energy of the gamma radiation. 5, record 2, English, - half%2Dvalue%20layer
Record number: 2, Textual support number: 2 OBS
It is sometimes expressed in terms of mass per unit area. 3, record 2, English, - half%2Dvalue%20layer
Record number: 2, Textual support number: 3 OBS
half-value layer : term standardized by ISO. 6, record 2, English, - half%2Dvalue%20layer
Record 2, French
Record 2, Domaine(s)
- Tiroir - Commission canadienne de sûreté nucléaire
- Physique atomique
- Radioprotection
- Imagerie médicale
Record 2, Main entry term, French
- couche de demi-atténuation
1, record 2, French, couche%20de%20demi%2Datt%C3%A9nuation
correct, feminine noun, standardized
Record 2, Abbreviations, French
- CDA 2, record 2, French, CDA
correct, feminine noun
- C.D.A. 3, record 2, French, C%2ED%2EA%2E
correct, feminine noun
Record 2, Synonyms, French
- épaisseur de demi-atténuation 4, record 2, French, %C3%A9paisseur%20de%20demi%2Datt%C3%A9nuation
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Épaisseur d'un matériau [uranium, tungstène, plomb, etc.] qui réduit l'intensité de rayonnement à la moitié de son intensité originale. 5, record 2, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 2, Textual support number: 1 OBS
L'épaisseur de la couche de demi-atténuation dépend du type de matériau et de l'énergie du rayonnement gamma. 5, record 2, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 2, Textual support number: 2 OBS
Elle est quelquefois exprimée en termes de masse par unité de surface. 6, record 2, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record number: 2, Textual support number: 3 OBS
couche de demi-atténuation : terme normalisé par l'ISO. 7, record 2, French, - couche%20de%20demi%2Datt%C3%A9nuation
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2010-06-02
Record 3, English
Record 3, Subject field(s)
- Medical Imaging
Record 3, Main entry term, English
- target-skin distance
1, record 3, English, target%2Dskin%20distance
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
X-ray epilation for the treatment of trichiasis... : The dose was found to be approximately 4, 000 rad of superficial radiation along with the following factors : 110 kV, 10 mamp, a target-skin distance of 20 cm, a half-value layer of 1. 0 mm of aluminum, and no filter. 1, record 3, English, - target%2Dskin%20distance
Record 3, French
Record 3, Domaine(s)
- Imagerie médicale
Record 3, Main entry term, French
- distance cible-peau
1, record 3, French, distance%20cible%2Dpeau
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Distance cible-peau pour des films de rayons x utilisés comme matrices pour des moules de styrofoam dans la radiothérapie à champs étendus. 1, record 3, French, - distance%20cible%2Dpeau
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2008-10-27
Record 4, English
Record 4, Subject field(s)
- Radiological Physics (Theory and Application)
Record 4, Main entry term, English
- hardness
1, record 4, English, hardness
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
The relative penetrating power of a beam of x-rays, used both within the diagnostic range of energy and in radiation therapy. 1, record 4, English, - hardness
Record number: 4, Textual support number: 1 OBS
[The hardness is] expressed in terms of half-value layer. 1, record 4, English, - hardness
Record 4, French
Record 4, Domaine(s)
- Physique radiologique et applications
Record 4, Main entry term, French
- dureté
1, record 4, French, duret%C3%A9
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Pouvoir de pénétration des rayons X, qui dépend de leur longueur d'onde : plus la longueur d'onde est petite, plus le pouvoir de pénétration est grand. 1, record 4, French, - duret%C3%A9
Record 4, Spanish
Record 4, Textual support, Spanish
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