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HARD COKE [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-10-19

English

Subject field(s)
  • Chemical Elements and Compounds
CONT

Silicon carbide... has a diamond-like structure and is nearly as hard as the diamond. It is prepared by heating fine [silicon dioxide] and coke with a little salt and sawdust in an electric furnace. The crystals obtained are greenish blue to black. It was one of the most widely used abrasives for grinding and cutting metals.

OBS

Carborundum®: a registered trademark.

OBS

for "carborundum" : When the tradename is used with a small "c", it is no longer considered as a registered trademark.

Key term(s)
  • Carborundum®

French

Domaine(s)
  • Éléments et composés chimiques
CONT

[...] est produit au four électrique à partir de silice et de carbone. De couleur noire à reflets bleutés, c'est le plus pur et le plus tranchant des abrasifs connus [...] On emploie le carbure de silicium surtout pour le ponçage des apprêts, des vernis et des laques ainsi que le décapage des parquets.

OBS

«carborundum» : Appellation commerciale maintenant passée dans l'usage, synonyme de carbure de silicium.

OBS

Carborundum® : marque déposée

Key term(s)
  • Carborundum

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Save record 1

Record 2 2009-03-04

English

Subject field(s)
  • Processing of Mineral Products
  • Mineral Processing (Metallurgy)
  • Solid Fossil Fuels
CONT

Coal caking.-Coal that softens and binds together when heated and produces a hard grey cellular coke.

French

Domaine(s)
  • Préparation des produits miniers
  • Minéralurgie (Métallurgie)
  • Combustibles fossiles solides
DEF

Action d'unir et mêler plusieurs substances de manière à en former une masse compacte.

OBS

agglutination : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 2

Record 3 2007-09-04

English

Subject field(s)
  • Coke
DEF

A coke with very high compressive strength at elevated temperatures, used in metallurgical furnaces, not only as a fuel, but also to support the weight of the charge.

CONT

Coal is imported from Columbia to produce metallurgic coke for the lead circuit blast furnaces.

French

Domaine(s)
  • Cokes
DEF

Coke en morceaux relativement gros et surtout très résistants à la compression, obtenu à partir de charbon de qualité, et utilisé dans les fours métallurgiques.

OBS

Le coke destiné à la métallurgie doit posséder une résistance mécanique suffisante pour ne pas s'écraser sous le poids de la charge du haut fourneau [...].

Spanish

Campo(s) temático(s)
  • Coque
DEF

Coque de alta calidad que se utiliza como reductor para la obtención del hierro en los hornos altos.

Save record 3

Record 4 2006-08-03

English

Subject field(s)
  • Classification of Coal
DEF

The solid residue of the distillation of coal at temperature above 800°C.

OBS

This lower temperature limit, however, does not apply universally; in some countries(e. g. French and German-speaking countries) the lower limit is 1000°C for hard coal and 900°C for brown coal coke.

French

Domaine(s)
  • Classification des charbons
DEF

Coke obtenu par cokéfaction de charbons à des températures supérieures à 1000 °C ou de lignite à des températures supérieures à 900 °C.

Spanish

Campo(s) temático(s)
  • Clasificación del carbón
DEF

Coque obtenido por coquización de carbones a temperaturas superiores a 1.000°C o lignitos a temperaturas superiores a 900°C.

Save record 4

Record 5 2005-02-03

English

Subject field(s)
  • Metallurgy - General
CONT

Gyro Fire-Rite is a newly developed non-explosive powdered fireside additive designed for use in coal and bark fired steam generating boilers and in open hearth checkers fired by coke and/or tar. It improves combustion and reduces hard slag build-up, metal corrosion, and refractory deterioration.

French

Domaine(s)
  • Métallurgie générale
OBS

scorie : Résidu solide provenant de la fusion de minerais métalliques, de l'affinage de certains métaux ainsi que de la combustion à haute température de matières, telles que la houille.

Spanish

Save record 5

Record 6 2003-12-11

English

Subject field(s)
  • Oil Refining
  • Petroleum Distillation
DEF

A separate, identifiable part of crude oil; the product of a refining or distillation process; a cut.

CONT

Through the highly efficient and sophisticated science of petroleum refining, crude oil is divided literally into hundreds of fractions, valuable products of a spectrum ranging from highly volatile, etheral gases through fuels and oils, and road building material to coke, hard, black and valuable.

CONT

Methane is the predominant fraction in natural gas.

OBS

fraction; cut: terms standardized by ISO.

PHR

Fraction de pétrole brut.

French

Domaine(s)
  • Raffinage du pétrole
  • Distillation du pétrole
DEF

Produit obtenu entre deux températures déterminées au cours d'une opération de fractionnement.

OBS

coupe; fraction : termes normalisés par l'ISO.

PHR

Fraction de pétrole brut.

Spanish

Campo(s) temático(s)
  • Refinación del petróleo
  • Destilación del petróleo
Save record 6

Record 7 2000-07-12

English

Subject field(s)
  • Lubrication Technology
  • Solid Fossil Fuels
DEF

Particle size reduction caused by the rubbing of pieces of coke against each other or against a hard surface.

French

Domaine(s)
  • Tribologie
  • Combustibles fossiles solides
DEF

Diminution de la taille des particules résultant du frottement des morceaux de coke les uns contre les autres ou sur une surface dure.

Spanish

Campo(s) temático(s)
  • Técnica de lubricación
  • Combustibles fósiles sólidos
Save record 7

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