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GAS RETENTION [16 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2023-05-16

English

Subject field(s)
  • Gas Industry
OBS

retention ring for fibre-wrapped cylinder : term related to gas cylinder fittings.

OBS

retention ring for fibre-wrapped cylinder: term standardized by ISO.

Key term(s)
  • retention ring for fiber-wrapped cylinder
  • fibre-wrapped cylinder retention ring
  • fiber-wrapped cylinder retention ring

French

Domaine(s)
  • Industrie du gaz
OBS

bague d’arrêt de fibre de bouteille frettée : terme relatif aux accessoires de bouteilles à gaz.

OBS

bague d’arrêt de fibre de bouteille frettée : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Industria del gas
Save record 1

Record 2 2023-05-16

English

Subject field(s)
  • Gas Industry
OBS

retention ring for steel wire-wound cylinder : term related to gas cylinder fittings.

OBS

retention ring for steel wire-wound cylinder: term standardized by the International Organization for Standardization (ISO).

Key term(s)
  • steel wire-wound cylinder retention ring

French

Domaine(s)
  • Industrie du gaz
OBS

bague d’arrêt de fil d'acier de bouteille frettée : terme relatif aux accessoires de bouteilles à gaz.

OBS

bague d’arrêt de fil d'acier de bouteille frettée : terme normalisé par l'Organisation internationale de normalisation (ISO).

Spanish

Save record 2

Record 3 2019-10-30

English

Subject field(s)
  • Water Treatment (Water Supply)
CONT

The air charger system uses a quiet oiless air compressor to put large amounts of oxygen into the retention tank.... The oxygen [is] forced to the bottom of the tank through a PVC [polyvinyl chloride] pipe... Once the air is expelled it... mixes with the iron and manganese for proper oxidation. The water then flows to a properly sized multi media filter which will remove all oxidized iron and manganese. The air charger system also is effective in the removal of hydrogen sulfide gas.

French

Domaine(s)
  • Traitement des eaux

Spanish

Save record 3

Record 4 2016-02-18

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Gas Industry
DEF

A method of analysis by which the components of a gas mixture are separated using gas chromatography.

OBS

The sample is passed in a stream of carrier gas through a column that has different retention properties relative to the components of interest. Different components pass through the column at different rates and are detected as they elute from the column at different times.

OBS

gas chromatographic method: term and definition standardized by ISO in 2014.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Industrie du gaz
DEF

Méthode d’analyse qui utilise la chromatographie en phase gazeuse pour séparer les constituants d’un mélange de gaz.

OBS

L’échantillon passe, dans un flux de gaz vecteur, à travers une colonne qui retient sélectivement les constituants recherchés. Les constituants transitent dans la colonne à des vitesses différentes et sont détectés lors de leur élution progressive en des temps différents.

OBS

méthode par chromatographie en phase gazeuse : terme et définition normalisés par l'ISO en 2014.

Spanish

Save record 4

Record 5 2011-12-14

English

Subject field(s)
  • Titles of Provincial Government Programs (Canadian)
  • Mining Operations
  • Oil and Natural Gas Extraction
  • Aboriginal Law
OBS

In 2007, the Status of Women Council began implementation of the Northern Women in Mining, Oil and Gas(NWMOG) Project. The project, a comprehensive, strategic training program aimed at increasing the interest level participation, and retention of women in the mining, oil and gas sectors was based on the following research question : Given the current population of unemployed and underemployed women in the Northwest Territories; will a dedicated, womenonly, partnership-based and strategic approach to training and development be successful in increasing the interest level, participation, and retention rates of women in industrial and trades based occupations in the northern mining, oil and gas industries.

French

Domaine(s)
  • Titres de programmes de gouvernements provinciaux canadiens
  • Exploitation minière
  • Extraction du pétrole et du gaz naturel
  • Droit autochtone
OBS

Afin de préparer les femmes des Territoires du Nord-Ouest à un emploi dans les secteurs des mines, du pétrole et du gaz et de leur fournir les ressources et le soutien nécessaires, le Conseil sur la condition de la femme des Territoires du Nord-Ouest a lancé en 2007 le Northern Women in Mining, Oil and Gas Project (NWMOG).

Key term(s)
  • Femmes dans les industries des mines, du pétrole et du gaz
  • projet NWMOG

Spanish

Save record 5

Record 6 2011-07-13

English

Subject field(s)
  • Analytical Chemistry
OBS

Since there is a pressure gradient along the length of the GC [gas chromatography] columns, calculation of retention parameters must frequently include a correction(j). Using this factor, the corrected retention time is obtained by multiplying the retention time by j...

French

Domaine(s)
  • Chimie analytique

Spanish

Save record 6

Record 7 2009-10-16

English

Subject field(s)
  • Properties of Fuels
  • Nuclear Fission Reactors
CONT

The coated particle fuels have been designed in the past for "high temperature reactors"(HTR). The interesting aspects of such fuel are :(i) the good thermal exchange between the gas coolant and the fuel as a result of the small fuel particles, and(ii) the retention of the fission products within the particle as a result of the tight coatings surrounding the fissile kernel flux conditions.

French

Domaine(s)
  • Propriétés des combustibles
  • Réacteurs nucléaires de fission

Spanish

Save record 7

Record 8 2009-03-11

English

Subject field(s)
  • Chemistry
  • Nuclear Waste Materials
  • Mining Engineering
  • Water Treatment (Water Supply)
DEF

The surface retention of solid, liquid, or gas molecules or of ions by a solid or liquid, as opposed to absorption, the penetration of substances into the bulk of the solid or liquid.

CONT

Adsorption [refers to a] process of extracting a pollutant by causing it to be attracted to and attached to an adsorbent cleaner.

CONT

The adsorption of radioactive waste relates to the capability of soils, clay, etc., to retain the material and hence prevent it from reaching the biosphere.

OBS

Broadly, adsorption at a solid-liquid interphase may be physical, electro-chemical or chemical. ... Ionic adsorption includes common-ion adsorption to the mineral lattice, and ion-exchange between the surface lattice-charges of solid and the ions in solution (the surface-modifying effects utilised in the flotation process).

French

Domaine(s)
  • Chimie
  • Déchets nucléaires
  • Génie minier
  • Traitement des eaux
DEF

[...] fixation superficielle quasi réversible d'une substance liquide ou gazeuse (substance adsorbée) à la surface d'un support solide (support adsorbant).

OBS

Il s'agit donc d'un phénomène de surface [...] par opposition à l'absorption qui [...] se déroule dans la profondeur de la masse solide [...]

PHR

Adsorption sur le charbon actif.

PHR

Adsorption spécifique.

PHR

Entraîner par adsorption (les radionucléides).

Spanish

Campo(s) temático(s)
  • Química
  • Desechos nucleares
  • Ingeniería de minas
  • Tratamiento del agua
DEF

Absorción de un gas o un líquido por la parte superficial de un cuerpo sólido; por ejemplo, de ciertos gases por el carbón, circunstancia que se aprovecha en las caretas de defensa contra los gases tóxicos.

Save record 8

Record 9 2002-03-21

English

Subject field(s)
  • Analytical Chemistry
  • Biotechnology
DEF

In chromatography the solid poching or support material, which may be in powder, gel or sheet form.

OBS

In a wider sense, "stationary phase" also refers to the immobile phase in all forms of chromatography.

OBS

The solid support itself should not be identified with the stationary phase.

CONT

In gas chromatography, helium, hydrogen, nitrogen, or some other inert gas is employed as the mobile phase. With gas-solid chromatography, a stationary phase of an adsorptive solid, such as carbon, alumina, or silica, either is packed in the column as small particles or is coated on the inside wall as a film. Retention, in either case, is by weak adsorptive forces between the solute molecules and adsorptive sites on the solid material.

French

Domaine(s)
  • Chimie analytique
  • Biotechnologie
DEF

Phase non mobile qui constitue le lit chromatographique dont dépend la séparation.

OBS

En chromatographie gaz-solide et en chromatographie liquide-solide, par exemple, le solide actif est la phase stationnaire et en chromatographie gaz-liquide et en chromatographie liquide-liquide, c'est le liquide (et non le support solide) qui constitue cette phase stationnaire.

OBS

Bien que le terme «phase stationnaire» soit plutôt réservé à la chromatographie en phase liquide sur colonne pour désigner la phase mobile sur support rigide, il désigne, plus largement, le support immobile dans tous les autres genres de chromatographie.

OBS

[En chromatographie d'échange d'ions]. La phase stationnaire est un échangeur d'ions, c'est-à-dire un support solide comportant des groupements fonctionnels ionisés, porteurs de charges positives ou négatives, et des ions de signe contraire assurant l'électroneutralité. Ces ions sont échangeables, en nombre équivalent, avec ceux de même signe de la solution avec laquelle l'échangeur est mis en contact.

OBS

En chromatographie classique sur colonne, la phase stationnaire est en général constituée par de l'eau et comme phase mobile, on choisit des solvants organiques toujours moins polaires.

OBS

Ne pas confondre avec phase stationnaire de la croissance de cellules.

PHR

La phase stationnaire se volatilise.

PHR

Compression, enroulement, film, grain, lit, masse, pore, suspension de la phase stationnaire.

PHR

Phase liquide stationnaire.

Key term(s)
  • phase immobile

Spanish

Campo(s) temático(s)
  • Química analítica
  • Biotecnología
Save record 9

Record 10 2001-12-20

English

Subject field(s)
  • Orbital Stations
CONT

The GDS [Gas Delivery System] is a 4-PU passive drawer. There are no rack data or power connections. The drawer will contain a Dapco-sealed Minicel foam block wrapped in beta cloth capable of storing up to five bottles of calibration and/or respiratory gas mixtures. The drawer includes 2 Lexan plates that will be attached to the internal surface of the drawer side panels. The Lexan plates will center the foam block in the drawer and have grooves that allow the bottle retention plate(guillotine) to slide in perpendicular to the Lexan plates in 2 locations. The guillotine is placed in front of the bottles for launch and landing and placed behind the bottles for operation.

OBS

passive drawer: term officially approved by the International Space Station official approval Group (ISSOAG).

PHR

4-PU passive drawer.

French

Domaine(s)
  • Stations orbitales
OBS

tiroir passif : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 10

Record 11 2001-02-09

English

Subject field(s)
  • Scientific Instruments
  • Analytical Chemistry
DEF

A two-channel gas chromatographer equipped with retention index monitoring capability.

Key term(s)
  • two-channel GC with retention index monitoring
  • two-channel gas chromatographer with RIM

French

Domaine(s)
  • Instruments scientifiques
  • Chimie analytique
DEF

Chromatographe en phase gazeuse à deux canaux équipé d'un dispositif de mesure de l'indice de rétention.

OBS

Reproduit du lexique «Disarmament and Peace Keeping/Désarmement et Maintien de la Paix» avec l'autorisation de l'Office des Nations Unies à Genève.

Key term(s)
  • CPG à deux canaux avec MIR

Spanish

Save record 11

Record 12 2000-04-28

English

Subject field(s)
  • Combustion and Fuels (Fireplaces)
  • Burners and Steamfitting
DEF

A mixing device in which a jet of gas is used to entrain primary air at a rate proportional to the gas flow rate.

CONT

An inspirator mixer, does not require a blower but does require high pressure gas,(can be dangerous) and is not very economical or efficient. The tip or nozzle is usually always a flame retention type tip. The reason this burner requires high pressure gas is that the gas needs to be moving at a high rate of speed in order to induce enough air for proper combustion. It is usually used for propane and in a situation where no electricity is available. If you have high pressure gas it is recommended that you use a regulator and switch to an aspirator mixer type system.

French

Domaine(s)
  • Combustion et combustibles (Foyers)
  • Fumisterie et brûleurs
CONT

Les mélangeurs haute pression de type HIJECTOR utilisent des pressions de gaz comprises entre 210 mbar et 9 bar. Leurs capacités atteignent 2,5 Gcal/h en cas de disponibilité d'air secondaire. Ils admettent des gaz riches ou pauvres.

Spanish

Save record 12

Record 13 1999-05-27

English

Subject field(s)
  • Analytical Chemistry
DEF

In gas chromatography, the adjusted retention time multiplied by the pressure-gradient correction factor.

French

Domaine(s)
  • Chimie analytique

Spanish

Save record 13

Record 14 1999-03-08

English

Subject field(s)
  • Analytical Chemistry
DEF

In gas chromatography, the relationship of retention volume with arbitrarily assigned numbers to the compound being analyzed; used to indicate the volume retention behavior during analysis.

French

Domaine(s)
  • Chimie analytique
CONT

Les spécialistes classent ainsi les différentes phases fixes en fonction de leurs «indices de rétention» pour un échantillonnage de produits témoins.

Spanish

Save record 14

Record 15 1998-05-20

English

Subject field(s)
  • Analytical Chemistry
DEF

In gas chromatography, the adjusted retention volume multiplied by the pressure-gradient correction factor.

OBS

In liquid chromatography, the mobile phase compressibility is negligible and thus the adjusted and net retention volumes are identical.

OBS

net retention volume: abbreviation V[subscript]N.

French

Domaine(s)
  • Chimie analytique
OBS

Le volume de rétention absolu (ou volume de rétention net), [V[indice]N, [...] donné par le volume de rétention réduit que multiplie le facteur de correction du gradient de pression [...]

OBS

volume de rétention absolu: V [indice]N.

Spanish

Save record 15

Record 16 1998-05-13

English

Subject field(s)
  • Analytical Chemistry
DEF

The gas hold-up is the uncorrected retention volume of a non-absorbed sample and is the volume of carrier gas required to transport such a sample from the point of injection to the point of detection at column outlet pressure.

Key term(s)
  • gas hold up

French

Domaine(s)
  • Chimie analytique
DEF

[...] volume de rétention non corrigé d'un échantillon qui ne se fixe pas sur la colonne; c'est le volume de gaz vecteur nécessaire pour amener un tel échantillon du point d'injection au point de détection, mesuré à la pression de sortie de la colonne.

Spanish

Save record 16

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