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RDF may refer to:


Science and technology


Computing

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Resource Description Framework The Resource Description Framework (RDF) is a method to describe and exchange graph data. It was originally designed as a data model for metadata by the World Wide Web Consortium (W3C). It provides a variety of syntax notations and formats, of whi ...
, a W3C metadata standard used for graphing **
RDF Schema RDF Schema (Resource Description Framework Schema, variously abbreviated as RDFS, , RDF-S, or RDF/S) is a set of classes with certain properties using the RDF extensible knowledge representation data model, providing basic elements for the descr ...
, its language


Physics

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Radial distribution function In statistical mechanics, the radial distribution function, (or pair correlation function) g(r) in a system of particles (atoms, molecules, colloids, etc.), describes how density varies as a function of distance from a reference particle. If ...
, describes how density varies as a function of distance from a reference particle *
Radio direction finding Direction finding (DF), radio direction finding (RDF), or radiogoniometry is the use of radio waves to determine the direction to a radio source. The source may be a cooperating radio transmitter or may be an inadvertent source, a natural ...
, techniques used when searching for radio sources *
Random dopant fluctuation Random dopant fluctuation (RDF) is a form of process variation resulting from variation in the implanted impurity concentration. In MOSFET transistors, RDF in the channel region can alter the transistor's properties, especially threshold voltage. I ...
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Reduced dimensions form In biophysics and related fields, reduced dimension forms (RDFs) are unique on-off mechanisms for random walks that generate Two-state trajectory, two-state trajectories (see Fig. 1 for an example of a RDF and Fig. 2 for an example of a two-state t ...
, a canonical mechanism for solving two-state trajectories *
Relative directivity factor Relative directivity factor (RDF) is a figure of merit for radio receiving antennas. It is the antenna gain In electromagnetics, an antenna's gain is a key performance parameter which combines the antenna's directivity and radiation effi ...
, a figure of merit for directional receiving antennas


Other technologies

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Real degree of fermentation Gravity, in the context of fermenting alcoholic beverages, refers to the specific gravity (abbreviated SG), or relative density compared to water, of the wort or must at various stages in the fermentation. The concept is used in the brewing and w ...
, attenuation of alcoholic beverages *
Refuse-derived fuel Refuse-derived fuel (RDF) is a Waste-to-energy, fuel produced from various types of waste such as municipal solid waste (MSW), industrial waste or commercial waste. The World Business Council for Sustainable Development provides a definition: ' ...


Art, entertainment, and media

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Radical Dance Faction Radical Dance Faction (RDF), originally known as Military Surplus, are a music group with punk, dub and ska styling, originally formed in Hungerford, Berkshire, England by singer Chris Bowsher, the group's only ever-present. They were active be ...
, a band from the United Kingdom *
RDF Media Zodiak Media was a Swedish and later French global independent television group with up to 45 companies covering fiction, entertainment, and animation, spread across 15 countries, including France, the United Kingdom, the United States, Italy, S ...
, a television production company * Robotech Defense Force, a character group in the US anime television series ''Robotech'' * '' Rapid Deployment Force: Global Conflict'', a video game


Military

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Reserve Defence Forces The Reserve Defence Forces (RDF) () are the combined Military reserve force, reserve components of the Defence Forces (Ireland), Irish Defence Forces. The RDF is organised into the First Line Reserve (FLR) and an active Second Line Reserve. Th ...
, the combined military reserve force of Ireland *
Rwandan Defence Forces The Rwandan Defence Force (RDF, , , ) is the military of Rwanda. Prior to 1994, Rwanda's military was officially known as the Rwandan Armed Forces (FAR), but following the Rwandan Civil War and the Rwandan genocide, the Rwandan Patriotic Front ( ...
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Rapid Deployment Force (United States) The Rapid Deployment Joint Task Force (RDJTF) is an inactive United States Department of Defense Joint Task Force. It was first envisioned as a three- division force in 1979 as the Rapid Deployment Force (RDF), a highly mobile rapid deployment f ...


Other organizations

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Reichsbund Deutsche Familie, Kampfbund für erbtüchtigen Kinderreichtum Reichsbund der Kinderreichen (RDK or RdK), ''Reich's Union of Large Families'' or literally: ''Reich's League of those wealthy in children'', was one of the most important pronatalist groups founded in Germany after World War I. To qualify as a me ...
, a German Nazi organisation *
Richard Dawkins Foundation for Reason and Science The Richard Dawkins Foundation for Reason and Science (RDFRS or RDF) is a division of Center for Inquiry (CFI) founded by British biologist Richard Dawkins in 2006 to promote scientific literacy and secularism. Originally a non-profit based i ...
, UK


Other uses

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Reality distortion field Reality distortion field (RDF) is a term first used by Bud Tribble at Apple Computer in 1981, to describe company co-founder Steve Jobs's charisma and its effects on the developers working on the Macintosh project. Tribble said that the term came f ...
, a term coined to describe Steve Jobs' charisma {{Disambiguation