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HARD EXCHANGE [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2024-07-31

English

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

Cation exchange water softeners remove the calcium and magnesium ions found in hard water by exchanging them with sodium(or potassium) ions. Once all the ions are fully exchanged, the water softener undergoes a regeneration process to flush the system of excess ions and recharge with new sodium ions.

French

Domaine(s)
  • Génie chimique
  • Traitement des eaux

Spanish

Save record 1

Record 2 - external organization data 2012-01-17

English

Subject field(s)
  • Chemical Engineering
  • Water Treatment (Water Supply)
  • Mineral Processing (Metallurgy)
  • Compartment - Canadian Nuclear Safety Commission
CONT

The majority of the ion exchange resins manufactured in the world today are based on the polymer chemistry of styrene, crosslinked with divinylbenzene.

CONT

Ion exchange resins may be used to selectively isolate and concentrate the desired metal where it is a minor component in a large stream or complicated mixture. Listed below are several examples of this chemical processing capability ...Uranium Recovery...Precious Metal Recovery...Copper Recovery Using ChelatingResins...Cobalt/Nickel Recovery and Separation.

CONT

An ion exchange water softener can reduce or eliminate hardness problems. A typical water softener has a pressure tank partially filled with ion exchange resin.

OBS

It produces the exchange of sodium for calcium ions in the softening of hard water.

PHR

Inorganic ion-exchange resin, organic ion-exchange resin.

French

Domaine(s)
  • Génie chimique
  • Traitement des eaux
  • Minéralurgie (Métallurgie)
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Substance polymère de poids moléculaire élevé possédant la propriété d'enlever aux solutions aqueuses leurs ions acides (résines anioniques) ou alcalins (résines cationiques).

CONT

L'emploi des résines échangeuses d'ions est très utile lorsqu'il s'agit d'éliminer la radioactivité de solutions aqueuses dont la teneur en matières solides est faible.

OBS

Les échangeurs d'ions [utilisés] dans l'adoucissement des eaux [...] sont maintenant constitués par des résines synthétiques. Ces résines échangeuses de cations et d'anions sont des composés organiques [...]

Spanish

Campo(s) temático(s)
  • Ingenieria química
  • Tratamiento del agua
  • Explotación de minerales (Metalurgia)
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Save record 2

Record 3 2008-03-17

English

Subject field(s)
  • International Bodies and Committees
  • Sociology of persons with a disability
  • The Ear
OBS

IFHOH was established in 1977 as a charitable organization, registered at Vereinsregister Amtsgericht Hamburg, Germany(Nr. 69 VR 10 527). As an International Non-Governmental Organization, IFHOH has special consultative status with the United Nations Economic and Social Council(ECOSOC). IFHOH currently has 47 general and associate members in 30 countries. IFHOH provides a platform for co-operation and information exchange among its members and interested parties. As an umbrella organization and through its individual organizations, IFHOH works to promote greater understanding of hearing loss issues and to improve access for hard of hearing people worldwide.

French

Domaine(s)
  • Organismes et comités internationaux
  • Sociologie des personnes handicapées
  • Oreille

Spanish

Save record 3

Record 4 2001-08-08

English

Subject field(s)
  • Currency and Foreign Exchange
  • Foreign Trade
CONT

During the past decade, many countries have changed their exchange rate regimes, moving from crisis-prone soft pegs to hard pegs or floating regimes.

CONT

Capital inflow controls may, for a time, allow a country to run an independent monetary policy when an exchange rate is softly pegged.

French

Domaine(s)
  • Politique monétaire et marché des changes
  • Commerce extérieur
CONT

Au cours de la dernière décennie, de nombreux pays ont adopté des régimes de change différents, abandonnant l'arrimage souple, sujet aux crises, pour l'arrimage ferme ou le flottement.

CONT

Les restrictions aux entrées peuvent permettre, temporairement, à un pays de mener une politique monétaire indépendante quand l'arrimage de la monnaie est souple et influencer la composition des entrées de capitaux.

Spanish

Campo(s) temático(s)
  • Política monetaria y mercado de cambios
  • Comercio exterior
CONT

En los últimos 10 años muchos países han modificado su régimen cambiario, pasando de un vínculo cambiario flexible - propicio para las crisis - a un vínculo cambiario rígido o a un régimen de flotación.

CONT

Los controles sobre las entradas de capital podrían permitir a un país, durante un cierto período, aplicar una política monetaria independiente si existe un vínculo cambiario flexible.

Save record 4

Record 5 2001-08-08

English

Subject field(s)
  • Currency and Foreign Exchange
  • Foreign Trade
CONT

During the past decade, many countries have changed their exchange rate regimes, moving from crisis-prone soft pegs to hard pegs or floating regimes.

PHR

To adopt hard pegs.

French

Domaine(s)
  • Politique monétaire et marché des changes
  • Commerce extérieur
CONT

Au cours de la dernière décennie, de nombreux pays ont adopté des régimes de change différents, abandonnant l'arrimage souple, sujet aux crises, pour l'arrimage ferme ou le flottement.

PHR

Opter pour l'arrimage ferme.

Spanish

Campo(s) temático(s)
  • Política monetaria y mercado de cambios
  • Comercio exterior
CONT

En los últimos 10 años muchos países han modificado su régimen cambiario, pasando de un vínculo cambiario flexible - propicio para las crisis - a un vínculo cambiario rígido o a un régimen de flotación.

PHR

Adoptar un vínculo cambiario rígido.

Save record 5

Record 6 1994-11-22

English

Subject field(s)
  • Currency and Foreign Exchange
CONT

Hard convertibility entails the right to freely exchange currencies at a given exchange rate. By definition,... hard convertibility [applies] to fixed exchange rate regimes.

French

Domaine(s)
  • Politique monétaire et marché des changes
CONT

La convertibilité [...] s'entend du droit de procéder librement à [...] [des] opérations [de change] à un taux de change donné. Par définition, la convertibilité rigide [s'applique] aux taux fixes.

Spanish

Save record 6

Record 7 1992-01-06

English

Subject field(s)
  • Currency and Foreign Exchange

French

Domaine(s)
  • Politique monétaire et marché des changes
OBS

"Hard exchange s'entend des devises étrangères qu'on peut difficilement obtenir par opposition à celles dont l'acquisition est facile (soft exchange)" Terminologie-novembre 1971

Spanish

Save record 7

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