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METAL CLEANER [5 records]

Record 1 2011-05-30

English

Subject field(s)
  • Chemistry
  • Surface Treatment of Metals
DEF

A chemical cleaner that removes rust and corrosion from bare metal and helps to prevent further rusting.

OBS

metal conditioner: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Chimie
  • Traitements de surface des métaux
OBS

Quand la rouille, la peinture et la saleté ont été enlevées et que le métal est à nu, traitez la tôle au conditionneur [...] Le conditionneur est en fait un acide qui attaque les traces de rouille et noircit le métal.

OBS

conditionneur de métal : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 1

Record 2 2008-05-15

English

Subject field(s)
  • Surface Treatment of Metals
  • Electrolytical Processes (Metallurgy)
  • Anti-pollution Measures
CONT

Pollution Prevention Opportunity Evaluation. Waste-generating Process: Metal Finishing - Surface Preparation. Opportunity: Reduce Rinsewater Use; Use of Rinsewater as Chemical Solution Make-up. ... The use water for rinsing can be reduced by several methods: ... A still rinse tank, also known as "dead rinse," "stagnant rinse," and "recovery rinse," can be used ahead of flowing rinses to concentrate the drag out in one tank and to reduce the amount of chemicals discharged to the sewer. The dead rinsewater can be used as make-up chemical solution.

CONT

Installing an electrowinning unit on a stagnant rinse tank after a dragout recovery tank is the most common and costeffective application of electrowinning. To maintain a steady-state metal concentration in the stagnant rinse at or below the maximum contaminant concentration, the rate of metal deposition onto the electrowinning cathodes must be greater than or equal to the rate of dragin from the preceding tank. Thus, the metal deposition rate is an essential design parameter that ultimately affects the capacity, size and cost of the electrowinning unit.... Because metal and cyanide concentration in the stagnant rinse are lowered, subsequent rinses will be cleaner, allowing the flow rates in these rinses to be reduced or turned off. In many cases, rinse water flow is reduced to a rate equal to the evaporation rate from the stagnant rinse.

French

Domaine(s)
  • Traitements de surface des métaux
  • Électrolyse (Métallurgie)
  • Mesures antipollution
DEF

Rinçage [...] en bain sans circulation.

CONT

Rinçage statique ou rinçage mort. Propriétés : cuve sans alimentation continue en eau propre, vidanges périodiques, permet de réduire les pertes par entraînement.

CONT

Les cuves de prérinçage. Avant le rinçage proprement dit, les pièces sont placées dans des cuves de rinçage statique («rinçage mort»).

Spanish

Save record 2

Record 3 2007-01-26

English

Subject field(s)
  • Pollution (General)
DEF

Contamination by metallic elements.

CONT

... the mechanisms by which indigenous microbial communities in polluted environments affect the speciation and bioavailability of metals must be understood. The focus of this research is on the microbial precipitation of heavy metals as processes for the natural attenuation of metal pollution in estuarine sediments that could lead to a cleaner and safer environment for all animals, including humans.

French

Domaine(s)
  • Pollution (Généralités)
DEF

Pollution essentiellement d'origine industrielle contenant des éléments tels que : aluminium, argent, arsenic, cadmium, chrome, cobalt, cuivre, fer, mercure, manganèse, molybdène, nickel, plomb, zinc.

CONT

Dans des conditions de forte pollution métallique, la plupart des végétaux sont éliminés, cependant une flore peut se développer sur des sols éminemment intoxiqués par la présence de métaux lourds.

Spanish

Save record 3

Record 4 1998-09-15

English

Subject field(s)
  • Lithography, Offset Printing and Collotype
CONT

The name "deep-etch plate" is related to the fact that the printing image is recessed in the plate metal, though only very slightly. The non-printing areas of deep-etch plates are, consequently, on the surface of the plate and slightly above the printing areas. The differences in depth, or in elevation, between the printing and the non-printing areas of deep-etch plates are indeed very slight-on the average about two or three ten-thousandths of an inch. Deep-etch plates have considerably longer press life than do surface plates; they are more dependable, run cleaner, and can be made from positives which lend themselves better to dot-etching than do photographic negatives, the intermediate elements of surface plates.

French

Domaine(s)
  • Lithographie, offset et phototypie
CONT

Beaucoup de plaques, surtout pour les tirages en couleurs, sont en creux. Une plaque en creux suppose l'utilisation de positifs photo dont le contrôle au développement et la retouche sont plus aisés que celui des négatifs. La définition de l'image est meilleure. Elle est bien délimitée par les creux et bien accrochée par la laque. On ne court pas le risque des particules de couche restées dans les régions non imprimantes. Les parties imprimantes présentent un creux maximum de 5 à 7 millièmes : ce creux protège le fond des tailles, donc l'image, contre l'usure par frottement des rouleaux.

Spanish

Save record 4

Record 5 1982-03-08

English

Subject field(s)
  • Small Electric Tools
  • Construction Tools
OBS

Nibbler shears(...) CRAFTSMAN. Cuts sheet metal as thick as 19 ga.(. 042") faster, cleaner than manual shears. Motor develops max, 1/4 hp : no-load single speed 2700 strokes/min.

French

Domaine(s)
  • Petit outillage électrique
  • Outils (Construction)
OBS

Cisailles-grignoteuse CRAFTSMAN pour couper la tôle d'un calibre max. de 19 (.042"), bien mieux que les cisailles à main. 1/4 hp max, à 1 vitesse; vitesse sans charge 2700 tr/mn.

Spanish

Save record 5

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