conical helix

См. также в других словарях:

• volute spring — noun a spring in the shape of a coil • Syn: ↑coil spring • Hypernyms: ↑spring * * * noun : a spring formed of a conically spiral coil of plate, rod, or wire that is extended or extensible in the direction of the axis of the coil in which… …   Useful english dictionary

• коническая спиральная антенна — Антенна, состоящая из проволочной конической спирали, питаемой коаксиальным фидером, оболочка которого может соединяться с плоским металлическим экраном (круглым или прямоугольным) играющим роль противовеса, а также служащим рефлектором. [Л.М.… …   Справочник технического переводчика

• List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …   Wikipedia

• Software tools for molecular microscopy — There are a large number of software tools or software applications that have been specifically developed for the field sometimes referred to as molecular microscopy or cryo electron microscopy or cryoEM. Several special issues of the Journal of… …   Wikipedia

• gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… …   Universalium

• Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …   Wikipedia

• Limpet — For the underwater explosive device, see Limpet mine. Limpet is a common name for a number of different kinds of saltwater and freshwater snails (aquatic gastropod mollusks); it is applied to those snails that have a simple shell which is more or …   Wikipedia

• Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …   Wikipedia

• Abalone — For board game, see Abalone (board game). Abelone redirects here. For the wine grape that is also known as Abelone, see Chasselas. Abalone Living abalone in tank showing epipodium and tentacles, anterior end to the right …   Wikipedia

• Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   Wikipedia

• Gastropoda — Gastropod Temporal range: Late Cambrian–Recent[1] …   Wikipedia