Dictionary of ichthyology. 2009.
Filter (aquarium) — Aquarium filters are critical components of both freshwater and marine aquaria.cite book |last=Riehl |first=Rüdiger. Editor. |coauthors=Baensch, HA |title=Aquarium Atlas |year=1996. 5th Edn. |publisher=Tetra Press |location=Germany |isbn=3 88244… … Wikipedia
Dry cleaning — (or dry cleaning) is any cleaning process for clothing and textiles using a chemical solvent other than water. The solvent used is typically tetrachloroethylene (perchloroethylene), abbreviated perc in the industry and dry cleaning fluid by the… … Wikipedia
Dry sump — A dry sump is a lubricating motor oil management method for four stroke and large two stroke piston internal combustion engines that uses external pumps and a secondary external reservoir for oil, as compared to a conventional wet sump system.… … Wikipedia
Dry-for-wet — („Trocken als nass“) bezeichnet ein Verfahren der Filmkunst, bei der durch technische Manipulation über Wasser aufgenommene Filmszenen verändert werden, um dem Betrachter den Eindruck einer Unterwasseraufnahme zu vermitteln. Inhaltsverzeichnis 1… … Deutsch Wikipedia
trickle filter — a wet/dry filter for aquaria. Water is dripped from a spray bar or drip plate over some media which is also exposed to the air. This promotes very efficient nitrification. The medium may be small pieces of plastic, double layered spiral, q.v., or … Dictionary of ichthyology
Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa … Wikipedia
ammonia tower — a type of biological filtration in aquaria which has media exposed to the air to aid in nitrification through bacterial growth. Common forms are trickle filters and rotating paddle wheel filters. The air/water mix promotes bacterial growth and… … Dictionary of ichthyology
Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner … Wikipedia
cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… … Universalium
Coastal management — This article is about coastal management aimed to prevent erosion and flooding. For broader management issues, see Integrated coastal zone management. Oosterscheldekering sea wall, the Netherlands. In some jurisdictions the terms sea defense and… … Wikipedia
