transit-time tube
1transit 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… …
2Time-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… …
3Tube map — as of April 2011. Part of a series of articles on The Tube …
4Transit 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 …
5Bay 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… …
6Rapid transit — This article is about grade separated rail transport. For other uses, see Rapid transit (disambiguation) …
7Thames 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… …
8Personal 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… …
9Pneumatic 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… …
10electron 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 …
