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1 cation
m физ. -
2 cation
m -
3 cation
m -
4 cation
сущ.физ. катион -
5 échangeur à cation faible
сущ.тех. слабокислотная катионообменная смола, слабокислотный катионитФранцузско-русский универсальный словарь > échangeur à cation faible
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6 échangeur à cation fort
сущ.тех. сильнокислотная катионообменная смола, сильнокислотный катионитФранцузско-русский универсальный словарь > échangeur à cation fort
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7 acidification des sols
закисление почвы
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
soil acidification
A naturally occurring process in humid climates that has long been the subject of research, whose findings suggest acid precipitation effects. The generally accepted impact of soil acidification on the productivity of terrestrial plants is summarised as follows: as soil becomes more acidic the basic cations (Ca, Mg) on the soil exchange are replaced by hydrogen ions or solubilized metals. The basic cation, now in solution, can be leached through the soil. As time progresses the soil becomes less fertile and more acidic. Resultant decreases in soil pH cause reduced, less-active population of soil microorganisms, which in turn slow decomposition of plant residues and cycling of essential plant nutrients. (Source: PARCOR)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Франко-русский словарь нормативно-технической терминологии > acidification des sols
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8 échangeur d'ions
ионообменник
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
ion exchanger
A permanent insoluble material (usually a synthetic resin) which contains ions that will exchange reversibly with other ions in a surrounding solution. Both cation and anion exchangers are used in water conditioning. The volume of an ion exchanger is measured in cubic liters of exchanger after the exchanger bed has been backwashed and drained, and has settled into place. (Source: WQA)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
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FR
Франко-русский словарь нормативно-технической терминологии > échangeur d'ions
См. также в других словарях:
cation — [ katjɔ̃ ] n. m. • 1866; du gr. kata « en bas » et ion ♦ Ion chargé positivement entraîné vers la cathode, dans un électrolyte ou dans un gaz (opposé à anion). ● cation nom masculin Ion qui se porte à la cathode dans l électrolyse d une solution … Encyclopédie Universelle
cation — CATIÓN, cationi, s.m. Ion încărcat cu sarcină electrică pozitivă, care este atras de catod. [pr.: ti on] – Din fr. cation. Trimis de valeriu, 13.09.2007. Sursa: DEX 98 CATIÓN s. (fiz.) 1. ion pozitiv. 2. cation macro molecular = macrocation.… … Dicționar Român
cátion — s. m. [Física] Íon que, carregado de eletricidade positiva, se dirige para o cátodo. = CATÍON • [Brasil] Plural: catíones ou cátions. ♦ Grafia em Portugal: catião … Dicionário da Língua Portuguesa
catíon — s. m. Cátion. • [Brasil] Plural: catíones ou cátions. • [Portugal] Plural: catíones … Dicionário da Língua Portuguesa
cation'ic — adjective • • • Main Entry: ↑cation … Useful english dictionary
Cation — Cat i*on, n. [Gr. ? downward + ? going, p. pr. of ? to go.] (Chem.) a positively charged atom, radical, or molecule, which in electrolysis migrates to the cathode; a positive ion; opposed to {anion}. Faraday. [1913 Webster +PJC] … The Collaborative International Dictionary of English
Cation — Cation. См. Катион. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) … Словарь металлургических терминов
catión — Ion cargado positivamente que en una solución es atraído hacia el electrodo negativo. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 … Diccionario médico
cation — 1834, from Gk. kation going down, neut. prp. of katienai to go down, from kata down (see KATA (Cf. kata )) + ienai to go (see ION (Cf. ion)) … Etymology dictionary
catión — sustantivo masculino 1. Área: física Ion con carga positiva … Diccionario Salamanca de la Lengua Española
catión — (De cata y ion). m. Fís. Ion con carga positiva … Diccionario de la lengua española