passing loop
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Passing loop — Trains in a passing loop A passing loop (also called a passing siding, crossing loop, crossing place or, colloquially, a hole) is a place on a single line railway or tramway, often located at a station, where trains or trams in opposing… … Wikipedia
Passing — may refer to:ociology*Passing (sociology), presenting oneself as a member of another sociological group *Passing (gender), presenting oneself as a member of the opposite gender *Passing (racial identity), presenting oneself as a member of another … Wikipedia
Loop (rail) — In rail terminology, a loop can mean the following:*Passing loop/crossing loop (Commonwealth) or passing siding (US), a place for a train to wait while other trains pass on an adjacent main line. *Loop line (rail) or simply loop (UK), a railway… … Wikipedia
Loop — A loop is generally something that closes back on itself such as a circle. The closing can appear in time or in space.cience and technology*Loop (algebra), a quasigroup with an identity element *Loop (graph theory), an edge that begins and ends… … Wikipedia
Loop Current — Part of the Gulf Stream, the Loop Current is a warm ocean current in the Gulf of Mexico that flows northward between Cuba and the Yucatán peninsula, moves north into the Gulf of Mexico, loops west and south before exiting to the east through the… … Wikipedia
Loop device — In Unix like operating systems, a loop device, vnd (vnode disk), or lofi (loopback file interface) is a pseudo device that makes a file accessible as a block device.Before use, a loop device must be connected to an existing file in the filesystem … Wikipedia
Loop gain — In negative feedback amplifiers, loop gain refers to the product of the gain in the feedback loop and the feedback factor in that loop. In Figure 1, the loop gain is the product β A OL.In telecommunication, the term loop gain has the following… … Wikipedia
Loop braid group — The loop braid group is a mathematical group structure that is used in some models of theoretical physics to model the exchange of particles with loop like topologies within three dimensions of space and time.The basic operations which generate a … Wikipedia
loop — 1. A sharp curve or complete bend in a vessel, cord, or other cylindrical body, forming an oval or circular ring. SEE ALSO: ansa. 2. A wire (usually of platinum or nichrome) fixed into a handle at one end and bent into a circle at the other,… … Medical dictionary
Loop (knot) — The word loop has two different senses when used in reference to knots.*A loop is one of the fundamental structures used to tie knots. Specifically, it is a full circle formed by passing the working end over itself. See . *A loop is a knot used… … Wikipedia
Event loop — In computer science, the event loop, message dispatcher, message loop, message pump, or run loop is a programming construct that waits for and dispatches events or messages in a program. It works by polling some internal or external event… … Wikipedia
