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21 натронная варка
натронная варка
Ндп. содовая варка
щелочная варка
Варка с раствором гидроокиси натрия.
[ ГОСТ 17401-80]Недопустимые, нерекомендуемые
Тематики
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Русско-немецкий словарь нормативно-технической терминологии > натронная варка
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22 оксид азота
оксид азота
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
nitrogen monoxide
A colourless gas, soluble in water, ethanol and ether. It is formed in many reactions involving the reduction of nitric acid, but more convenient reactions for the preparation of reasonably pure NO are reactions of sodium nitrite, sulphuric acid, etc. (Source: DICCHE)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Русско-немецкий словарь нормативно-технической терминологии > оксид азота
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23 отбелка хлоратом
отбелка хлоратом
Отбелка с применением в качестве отбеливающего реагента хлорита натрия.
[ ГОСТ 17401-80]Тематики
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Русско-немецкий словарь нормативно-технической терминологии > отбелка хлоратом
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24 химический элемент группы I
химический элемент группы I
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
element of group I (alkaline)
Any of the monovalent metals lithium, sodium, potassium, rubidium, caesium, and francium, belonging to group 1A of the periodic table. They are all very reactive and electropositive. (Source: CED)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Русско-немецкий словарь нормативно-технической терминологии > химический элемент группы I
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25 щелочная почва
щелочная почва
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
alkali soil
Soil that contains sufficient exchangeable sodium to interfere with water penetration and crop growth, either with or without appreciable quantities of soluble salts. (Source: LANDY)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Русско-немецкий словарь нормативно-технической терминологии > щелочная почва
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См. также в других словарях:
SODIUM — Le sodium est le plus courant des éléments alcalins. Son nom dérive de l’arabe soda , qui désignait le mélange de carbonates alcalins extrait des cendres de végétaux. Le symbole Na vient de son appellation allemande Natrium , qui dérive de… … Encyclopédie Universelle
Sodium — Néon ← Sodium → Magnésium Li … Wikipédia en Français
Sodium — So di*um, n. [NL., fr.E. soda.] (Chem.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so highly reactive that it… … The Collaborative International Dictionary of English
sodium — metallic alkaline element, 1807, coined by English chemist Humphry Davy from SODA (Cf. soda); so called because the element was isolated from caustic soda (sodium hydroxide). The chemical symbol Na is from natrium, alternative name for the… … Etymology dictionary
sodium — [sō′dē əm] n. [ModL: so named (1807) by DAVY Sir Humphry < SODA (because isolated from caustic soda) + IUM] 1. a soft, silver white, metallic chemical element, one of the alkali metals, having a waxlike consistency: it is found in nature only… … English World dictionary
Sodium — Sodium, so v.w. Natrium … Pierer's Universal-Lexikon
Sodĭum — Sodĭum, soviel wie Natrium … Meyers Großes Konversations-Lexikon
Sodium — Sodium, s.v.w. Natrium (s.d.) … Lexikon der gesamten Technik
Sodium — Sodĭum, s.v.w. Natrium … Kleines Konversations-Lexikon
sodium — Symbol: Na Atomic number: 11 Atomic weight: 22.9898 Soft silvery reactive element belonging to group 1 of the periodic table (alkali metals). It is highly reactive, oxidizing in air and reacting violently with water, forcing it to be kept under… … Elements of periodic system
sodium — ► NOUN ▪ a soft silver white reactive metallic chemical element of which common salt and soda are compounds. ORIGIN from SODA(Cf. ↑soda) … English terms dictionary