transit-time tube

См. также в других словарях:

• transit time — noun 1. : the observed or predicted time of the transit of a celestial body across the meridian 2. : the time required for a particle (as an electron) to traverse the distance between two specified points (as from cathode to plate in a vacuum… …   Useful english dictionary

• Time-of-flight — The time of flight (TOF) describes the method used to measure the time that it takes for a particle, object or stream to reach a detector while traveling over a known distance. In time of flight mass spectrometry, ions are accelerated by an… …   Wikipedia

• Tube map — as of April 2011. Part of a series of articles on The Tube …   Wikipedia

• Transit instrument — In astronomy, transit instruments are used for the precise observation of star positions. The instruments can be divided into three groups: Meridian instruments for observation of star transits in the exact direction of South or North: * Meridian …   Wikipedia

• Bay Area Rapid Transit — Infobox Public transit name = Bay Area Rapid Transit imagesize = 100px locale = San Francisco Bay Area transit type = Rapid transit began operation = September 11, 1972 system length = convert|104|mi|km|abbr=on lines = 5 stations = 43 (1 under… …   Wikipedia

• Rapid transit — This article is about grade separated rail transport. For other uses, see Rapid transit (disambiguation) …   Wikipedia

• Thames Transit — was a bus and coach company which operated in the Oxford area. As well as running a number of local services, they also ran a regular service to London (via the M40 motorway) called the Oxford Tube. It now carries approximately fifteen million… …   Wikipedia

• Personal rapid transit — ation concept that offers on demand, non stop transportation, using small, independent vehicles on a network of specially built guideways. Several different designs have been proposed, and as of 2008, at least one is under… …   Wikipedia

• Pneumatic tube — Pneumatic tubes (or capsule pipelines; Lamson tubes) are systems in which cylindrical containers are propelled through a network of tubes by compressed air or by vacuum. They are used for transporting physical objects, solid objects, compared to… …   Wikipedia

• electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …   Universalium

• History of rapid transit — The history of rapid transit is generally considered to begin with the opening in 1863 of the Metropolitan Railway, now part of the London Underground. However, the smoke caused discomfort for passengers in operating steam trains through tunnels… …   Wikipedia