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GASEOUS AGENT [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-04-17

English

Subject field(s)
  • Mineralogy
  • Geochemistry
DEF

A mineral that appears to depend largely upon the action of gases in magmas for their presence in igneous rocks.

OBS

Pneumatolytic minerals include tourmaline, topaz, fluorite, lithium, etc.

OBS

pneumatogenic : Said of a... mineral deposit formed by a gaseous agent... Synonym : pneumatolytic.

French

Domaine(s)
  • Minéralogie
  • Géochimie

Spanish

Save record 1

Record 2 2012-02-29

English

Subject field(s)
  • Diagnostic Procedures (Medicine)
  • Medical Imaging
OBS

Recent advances in radiographic technology, especially the advent of digital subtraction angiography(DSA), have rekindled an interest in the use of gaseous compounds as contrast agents. [Earlier studies] demonstrated the relative safety of carbon dioxide(CO2) versus air as a contrast agent in the coronary and pulmonary circulations.

Key term(s)
  • carbon dioxide digital subtraction angiography
  • CO2 DSA
  • carbon dioxide angiography

French

Domaine(s)
  • Méthodes diagnostiques (Médecine)
  • Imagerie médicale
DEF

Radiographie des vaisseaux utilisant comme produit de contraste le gaz carbonique.

Spanish

Save record 2

Record 3 2011-09-01

English

Subject field(s)
  • Fire-Fighting Techniques
  • Extinguishing Agents
DEF

A fire-extinguishing method whereby a gaseous substance is used as the extinguishing agent.

French

Domaine(s)
  • Manœuvres d'intervention (incendies)
  • Agents extincteurs
DEF

Procédé d'extinction selon lequel on utilise une substance gazeuse comme agent d'extinction.

Key term(s)
  • extinction par agent gazeux

Spanish

Campo(s) temático(s)
  • Maniobras de intervención (incendios)
  • Agentes extintores
Save record 3

Record 4 2010-06-28

English

Subject field(s)
  • Crop Protection
  • Cultural Practices (Agriculture)
  • Hygiene and Health
DEF

A treatment with a chemical agent that reaches the commodity wholly or primarily in a gaseous state.

OBS

Fumigation is a method of pest control.

OBS

fumigation: term extracted from the Plant Health Glossary of Terms of the Canadian Food Inspection Agency.

French

Domaine(s)
  • Protection des végétaux
  • Soin des cultures (Agriculture)
  • Hygiène et santé
DEF

Traitement utilisant un agent chimique qui atteint la marchandise entièrement ou en grande partie sous forme gazeuse.

OBS

La fumigation est effectuée dans le but de détruire des organismes vivants dits «nuisibles».

OBS

fumigation : terme et définition extraits du Glossaire de la protection des végétaux de l'Agence canadienne d'inspection des aliments.

Spanish

Campo(s) temático(s)
  • Protección de las plantas
  • Cuidado de los cultivos (Agricultura)
  • Higiene y Salud
DEF

Tratamiento con un agente químico que alcanza al producto básico completamente o primordialmente en estado gaseoso.

Save record 4

Record 5 1998-08-12

English

Subject field(s)
  • Pulp Preparation (papermaking)
DEF

Bleaching done at consistencies greater than 18%. Above 25% the fibres are usually treated with a bleaching agent in the gaseous state.

French

Domaine(s)
  • Préparation de la pâte à papier
DEF

Blanchiment effectué à des consistances supérieures à 18 %. Au-dessus de 25 %, les fibres sont habituellement traitées avec un agent de blanchiment en phase gazeuse.

Key term(s)
  • blanchiment à haute concentration

Spanish

Save record 5

Record 6 1998-07-23

English

Subject field(s)
  • Gas Industry
  • Chemical Engineering
  • Coal-Derived Fuels
CONT

Underground coal gasification(UCG) involves the in-place conversion of coal to gaseous fuels using air as the gasifying agent... It eliminates the need for an underground mine labour force and minimizes the environmental problems associated with mining as well as with ash disposal and emissions to the atmosphere that arise in surface processing plants.

Key term(s)
  • in-situ gasification

French

Domaine(s)
  • Industrie du gaz
  • Génie chimique
  • Combustibles dérivés des charbons
CONT

Gazéification in situ. Elle consiste à traiter le charbon [...] dans le sous-sol lui-même. Cela devrait permettre d'éviter les opérations de manutention et de minage, et d'atteindre économiquement des couches profondes [...] non exploitées aujourd'hui.

Spanish

Save record 6

Record 7 1988-02-29

English

Subject field(s)
  • CBRNE Weapons
DEF

Gaseous suspension of liquid agent droplets or solid particles.

French

Domaine(s)
  • Armes CBRNE

Spanish

Save record 7

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