percolation

См. также в других словарях:

• PERCOLATION — La percolation est un problème de communication qui se pose dans un milieu étendu dans lequel sont distribués régulièrement un grand nombre de «sites» susceptibles de relayer localement une information. Ceux ci communiquent entre eux par des… …   Encyclopédie Universelle

• percolation —    ; percolation water    1. Ground water moving slowly through the microfissure network of a limestone, most of which eventually joins a major cave conduit and flows more rapidly. In most environments percolation water enters the limestone… …   Lexicon of Cave and Karst Terminology

• Percolation — Per co*la tion, n. [L. percolatio.] The act or process of percolating, or filtering; filtration; straining. Specifically (Pharm.), the process of exhausting the virtues of a powdered drug by letting a liquid filter slowly through it. [1913… …   The Collaborative International Dictionary of English

• Percolation — (v. lat.), Durchseihung …   Pierer's Universal-Lexikon

• Percolation — Percolation, lat. deutsch, das Durchseihen …   Herders Conversations-Lexikon

• percolation — 1610s, from L. percolationem (nom. percolatio), noun of action from pp. stem of percolare to strain through, filter, from per through (see PER (Cf. per)) + colare to strain, from colum a strainer, of unknown origin …   Etymology dictionary

• Percolation — In physics, chemistry and materials science, percolation concerns also the movement and filtering of fluids through porous materials. Examples include the movement of solvents through filter paper (chromatography) and the movement of petroleum… …   Wikipedia

• Percolation — La percolation est un processus physique critique qui décrit pour un système, une transition d’un état vers un autre. C est un phénomène de seuil associé à la transmission d une « information » par le biais d un réseau de sites et de… …   Wikipédia en Français

• percolation — A condition in which the fuel actually boils due to excess heat. Percolation prevents proper atomization of the fuel causing rough running. Also see anti percolation valve …   Dictionary of automotive terms

• percolation — /perr keuh lay sheuhn/, n. 1. the act or state of percolating or of being percolated. 2. Pharm. the extraction of the soluble principles of a crude drug by the passage of a suitable liquid through it. 3. Geol. the slow movement of water through… …   Universalium

• percolation — perkoliacija statusas T sritis chemija apibrėžtis Naudingųjų iškasenų ekstrahavimas iš bergždo cheminių medžiagų tirpalais. atitikmenys: angl. percolation rus. перколяция …   Chemijos terminų aiškinamasis žodynas