-
1 catalyst
['kætəlɪst]nome chim. catalizzatore m. (anche fig.)* * *[kætəlist]1) (a substance which causes or assists a chemical change in another substance without itself undergoing any permanent chemical change.) catalizzatore2) (someone or something that helps bring about a change.) catalizzatore•* * *catalyst /ˈkætəlɪst/n.1 (chim. e fig.) catalizzatore* * *['kætəlɪst]nome chim. catalizzatore m. (anche fig.) -
2 ferment
I ['fɜːment]nome fermento m., agitazione f.II 1. [fə'ment]verbo transitivo fare fermentare [beer, wine]; fig. fomentare [ trouble]2.verbo intransitivo [beer, yeast] fermentare* * *1. [fə'ment] verb1) (to (make something) go through a particular chemical change (as when yeast is added to dough in the making of bread): Grape juice must be fermented before it becomes wine.) fermentare2) (to excite or be excited: He is the kind of person to ferment trouble.) fomentare2. ['fə:ment] noun(a state of excitement: The whole city was in a ferment.) fermento* * *ferment /ˈfɜ:mɛnt/n.1 [u] (fig.) fermento; agitazione; eccitazione; subbuglio: to be in ( a state of) ferment, essere in fermento2 (biol., chim.) fermento; lievito.(to) ferment /fəˈmɛnt/A v. i.1 (biol., chim.) fermentare2 (fig.) agitarsi; eccitarsi; essere in fermentoB v. t.1 (biol., chim.) far fermentare2 (fig.) fomentare; agitare; eccitare; mettere in fermento.* * *I ['fɜːment]nome fermento m., agitazione f.II 1. [fə'ment]verbo transitivo fare fermentare [beer, wine]; fig. fomentare [ trouble]2.verbo intransitivo [beer, yeast] fermentare -
3 fermentation
[ˌfɜːmen'teɪʃn]nome fermentazione f.* * *[fə:men-]noun (the chemical change occurring when something ferments or is fermented.) fermentazione* * *fermentation /fɜ:mɛnˈteɪʃn/n.1 [uc] (biol., chim.) fermentazione2 (arc.) fermento; agitazione; subbugliofermentativea.(biol., chim.) fermentativo.* * *[ˌfɜːmen'teɪʃn]nome fermentazione f. -
4 process
I ['prəʊses] [AE 'prɒ-]1) processo m. (of di)in the process of doing this, he... — mentre faceva questo, lui...
2) (method) processo m., procedimento m.II ['prəʊses] [AE 'prɒ-]1) portare avanti [ application]2) inform. elaborare, processare [ data]3) ind. trasformare [raw materials, food product]; trattare [chemical, waste]4) fot. sviluppare [ film]III [prə'ses]1) relig. stor. andare in processione2) form. (move)to process down, along — sfialre in, lungo [ road]
* * *['prəuses, ]( American[) 'pro-] 1. noun1) (a method or way of manufacturing things: We are using a new process to make glass.) processo, metodo2) (a series of events that produce change or development: The process of growing up can be difficult for a child; the digestive processes.) processo3) (a course of action undertaken: Carrying him down the mountain was a slow process.) operazione2. verb(to deal with (something) by the appropriate process: Have your photographs been processed?; The information is being processed by computer.) sviluppare; trattare- in the process of* * *I ['prəʊses] [AE 'prɒ-]1) processo m. (of di)in the process of doing this, he... — mentre faceva questo, lui...
2) (method) processo m., procedimento m.II ['prəʊses] [AE 'prɒ-]1) portare avanti [ application]2) inform. elaborare, processare [ data]3) ind. trasformare [raw materials, food product]; trattare [chemical, waste]4) fot. sviluppare [ film]III [prə'ses]1) relig. stor. andare in processione2) form. (move)to process down, along — sfialre in, lungo [ road]
-
5 reaction
[rɪ'ækʃn]nome reazione f. (anche med. chim.)* * *[-ʃən]1) (the act of reacting: What was his reaction to your remarks?; I get a bad reaction from penicillin; I'd like to ask you for your reactions to these suggestions.) reazione2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) reazione3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) reazione* * *[rɪ'ækʃn]nome reazione f. (anche med. chim.)
См. также в других словарях:
Chemical change — 112.198.81.178 (talk) 09:44, 14 November 2011 (UTC)bla da Chemical changes occur when objects or substances are changed or altered. In a chemical change, particles of the original materials collide with one another. Some exothermic reactions may… … Wikipedia
chemical change — noun (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved • Syn: ↑chemical process, ↑chemical action • Topics: ↑chemistry, ↑chemical science • Hypernyms: ↑ … Useful english dictionary
chemical change — noun any process in which reactants are changed into products by the breaking or creation of chemical bonds … Wiktionary
chemical change — Rearrangement of the atoms, ions, or radicals of one or more substances, resulting in the formation of new substance, often having entirely different properties. Also known as a chemical reaction … Forensic science glossary
chemical change — /kɛmɪkəl ˈtʃeɪndʒ/ (say kemikuhl chaynj) noun a change in which one or more substances are converted into other substances …
Chemical potential — Chemical potential, symbolized by μ, is a measure first described by the American engineer, chemist and mathematical physicist Josiah Willard Gibbs. It is the potential that a substance has to produce in order to alter a system.[1] In broadest… … Wikipedia
Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks … Wikipedia
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
Chemical kinetics — Reaction rate tends to increase with concentration a phenomenon explained by collision theory. Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes. Chemical kinetics includes investigations of how… … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
chemical reaction — Any chemical process in which substances are changed into different ones, with different properties, as distinct from changing position or form (phase). Chemical reactions involve the rupture or rearrangement of the bonds holding atoms together… … Universalium