percolating filter — noun : trickling filter … Useful english dictionary
Percolating — Percolate Per co*late, v. t. [imp. & p. p. {Percolated}; p. pr. & vb. n. {Percolating}.] [L. percolatus, p. p. of percolare to percolate; per through + colare to strain.] To cause to pass through fine interstices, as a liquor; to filter; to… … The Collaborative International Dictionary of English
percolating waters — Waters which ooze, seep, filter, or percolate through the ground under the surface without a definite channel, or in a course that is uncertain or unknown and not discoverable from the surface without excavation for that purpose. 56 Am J1st Wat § … Ballentine's law dictionary
percolating — per·co·late || pÉœrkÉ™leɪt / pÉœË v. permeate, penetrate; bubble; filter, trickle … English contemporary dictionary
Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… … Wikipedia
Lava filter — A lava filter is a biological filter that uses lavastone pebbles as support material on which microorganisms can grow in a thin biofilm. [ [http://www.stowa selectedtechnologies.nl/Sheets/Sheets/Lava.Filters.html Overview of lavafilters] ] This… … Wikipedia
protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… … Universalium
перколяционный фильтр — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN percolating filter … Справочник технического переводчика
Coffee percolator — Percolator A coffee percolator is a type of pot used to brew coffee. The name stems from the word percolate which means to cause (a solvent) to pass through a permeable substance especially for extracting a soluble constituent.[1] In the case of… … Wikipedia
Rain garden — A rain garden is a planted depression that is designed to absorb rainwater runoff from impervious urban areas like roofs, driveways, walkways, and compacted lawn areas. This reduces rain runoff by allowing stormwater to soak into the ground (as… … Wikipedia
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium