bidirectional-type seal

См. также в других словарях:

• Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …   Wikipedia

• Anthropology and Archaeology — ▪ 2009 Introduction Anthropology       Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …   Universalium

• Educational neuroscience — (also called Mind Brain and Education; MBE) is an emerging scientific field that brings together researchers in cognitive neuroscience, developmental cognitive neuroscience, educational psychology, educational technology, education theory and… …   Wikipedia

• electromechanical transducer — ▪ instrument Introduction       any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone). Many of the transducers used in… …   Universalium

• Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… …   Wikipedia

• Scalable Vector Graphics — Infobox file format name = Scalable Vector Graphics icon = caption = extension = .svg, .svgz mime = image/svg+xml [ [http://www.w3.org/TR/SVGMobile12/mimereg.html M Media Type registration for image/svg+xml] ] type code = uniform type = magic =… …   Wikipedia

• Shrink wrap — Shrinkwrapped redirects here. For the album, see Shrinkwrapped (album). Shrink wrap, also shrinkwrap or shrink film, is a material made up of polymer plastic film. When heat is applied to this material it shrinks tightly over whatever it is… …   Wikipedia

• Indo-Aryan migration — For other uses, see Indo Aryan migration (disambiguation). Indo European topics Indo European languages (list) Albanian · Armenian · Baltic Celtic · Germanic · Greek Indo Iranian …   Wikipedia