TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DILUTION METHODS [7 records]

Record 1 2024-09-20

English

Subject field(s)
  • Chemistry
  • Fluid Mechanics and Hydraulics (Physics)
CONT

Osmotically driven membrane processes(ODMPs) are innovative technologies with applications in water treatment and desalination(forward osmosis, FO), power generation(pressure retarded osmosis, PRO), and dewatering of aqueous solutions(direct osmotic concentration, DOC, and osmotic dilution, ODN). These methods utilize osmotic pressure difference between a dilute feed solution and a concentrated draw solution to induce mass transport of water through semipermeable membranes from the feed stream into the draw solution.

Key term(s)
  • osmotically-driven membrane process

French

Domaine(s)
  • Chimie
  • Mécanique des fluides et hydraulique (Physique)

Spanish

Save record 1

Record 2 2011-12-12

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Radiation Protection
  • Geophysics
CONT

Geochronology questions. Solari and Schaff are generally critical of our geochronologic methods because the uncertainties of LA-ICPMS(Laser-Ablation, Inductively Coupled Plasma Mass Spectrometry) analyses are greater than the errors that they and others have generated by ID-TIMS(Isotope Dilution-Thermal Ionization Mass Spectrometry) analysis.

OBS

isotope dilution thermal ionization mass spectrometry (ID-TIMS) analysis: term and shortened form used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Radioprotection
  • Géophysique
OBS

analyse par dilution isotopique et spectrométrie de masse à thermoionisation : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 2

Record 3 2011-12-12

English

Subject field(s)
  • Wastewater Treatment
OBS

Common methods and instruments of disposal are : dispersion, dilution, broad irrigation, privy, cesspool.

OBS

wastewater disposal: term officially approved by the Lexicon Project Committee (New Brunswick).

Key term(s)
  • disposal of wastewater
  • waste water disposal
  • disposal of waste water

French

Domaine(s)
  • Traitement des eaux usées
OBS

Les méthodes les plus courantes d'évacuation [des eaux usées] sont la dispersion, la dilution et l'irrigation.

OBS

évacuation des eaux usées : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Key term(s)
  • évacuation d'eau usée
  • rejet d'eau usée

Spanish

Campo(s) temático(s)
  • Tratamiento de aguas residuales
DEF

Derrame de líquidos contaminantes procedentes de actividades antrópicas.

Save record 3

Record 4 1996-05-17

English

Subject field(s)
  • Water Treatment (Water Supply)
  • Paper Manufacturing Processes
  • Anti-pollution Measures
  • Water Pollution
CONT

Color removal. The brown color of pulp mill effluents originates with the wood handling, chemical pulping and bleaching operations, and is due to the presence of tannin and lignin derivatives. These compounds are slow to biodegrade and are usually little affected by conventional secondary treatment methods. Changes in plant design(e. g., elimination of wet debarking, bleach process modifications) have been successful in lowering effluent color, but the problem remains serious in situations where the dilution factor in the receiving water is low.

Key term(s)
  • colour removal

French

Domaine(s)
  • Traitement des eaux
  • Fabrication du papier
  • Mesures antipollution
  • Pollution de l'eau
CONT

Suppression de la couleur. La couleur marron des effluents des usines de pâtes et papiers provient des opérations de manutention du bois, de la mise en pâte par un procédé chimique et du blanchiment; elle est due à la présence de tannins et de dérivés de la lignine. Ces composés mettent longtemps à se dégrader par voie biologique et ils sont peu sensibles aux méthodes classiques de traitement secondaire. Bien que l'on ait réussi dans certaines usines à produire des effluents moins colorés (par exemple en modifiant le procédé de blanchiment), le problème reste entier dans les endroits où le facteur de dilution par les eaux réceptrices est faible.

Spanish

Save record 4

Record 5 1996-03-21

English

Subject field(s)
  • Immunology
DEF

The use of methods such as agar and broth dilution tests, disk diffusion tests, and automated procedures to evaluate the in vitro susceptibility of an isolated pathogen to a variety of antibacterial agents.

French

Domaine(s)
  • Immunologie

Spanish

Save record 5

Record 6 1993-04-15

English

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

Norden's Method. In view of the recent proliferation of new washing methods and the possibility of connecting different types of washing equipment in series, it would be desirable to assign an efficiency number to equipment which is independent of dilution factor. Norden's method has been widely applied toward this objective. It assumes that a washing stage can be likened to a number of countercurrent mixing stages connected in series. In an individual stage, the pulp and associated solids-containing liquor(from the previous stage) are mixed with lower-solids wash liquor(from the next stage) ;the stock is then rethickened to the original consistency and the separated stock and liquor are passed countercurrently to their respective next stages.

French

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

Méthode Norden. Étant donné la prolifération récente de nouvelles méthodes de lavage et la possibilité de raccorder en série divers types d'installations de lavage, il serait souhaitable d'attribuer un indice de rendement aux appareils qui ne dépendent pas d'un coefficient de dilution. La méthode Norden a permis de réaliser un grand nombre d'applications dans la poursuite de cet objectif. Elle suppose qu'on peut assimiler à une phase de lavage un certain nombre de stades de mélange à contre-courant en série, où la pâte et la liqueur introduites à chacun des stades sont mélangées à l'eau de lavage provenant du stade suivant; la pâte est ensuite ramenée à sa concentration initiale, puis la pâte et la liqueur séparées passent aux stades suivants.

Spanish

Save record 6

Record 7 1981-08-24

English

Subject field(s)
  • Hydrology and Hydrography
  • Scientific Measurements and Analyses
OBS

Methods in which the discharge is deduced from the determination of the ratio of the concentration of the tracer injected to that of the tracer at the sampling cross-section (...)

Key term(s)
  • dilution method

French

Domaine(s)
  • Hydrologie et hydrographie
  • Mesures et analyse (Sciences)
OBS

Méthodes dans lesquelles le débit est déduit de la détermination du rapport de la concentration du traceur injecté à la concentration du traceur à la section d'échantillonnage (...)

Key term(s)
  • méthode de dilution

Spanish

Save record 7

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