DFR may refer to:
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Cosworth DFR
The DFV is an internal combustion engine that was originally produced by Cosworth for Formula One motor racing. The name is an abbreviation of ''Double Four Valve'', the engine being a V8 development of the earlier four-cylinder FVA, which had fo ...
, a 1987 race car engine
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Dean Forest Railway
The Dean Forest Railway is a long heritage railway that runs between Lydney and Parkend in the Forest of Dean, Gloucestershire.
The route was part of the former Severn and Wye Railway which ran from Lydney to Cinderford. The society that ope ...
, Gloucestershire, England
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Decreasing failure rate
Failure rate is the frequency with which an engineered system or component fails, expressed in failures per unit of time. It is usually denoted by the Greek letter λ (lambda) and is often used in reliability engineering.
The failure rate of a ...
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Deutscher Frauenring
Deutscher Frauenring e.V. (DFR) is a non-partisan political advocacy organisation and the leading women's organization in Germany, founded in 1949 in Bad Pyrmont to promote the interests of women in all areas of society. During the Cold War, it ...
, a political advocacy organisation in Germany
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Dihydroflavonol 4-reductase
In enzymology, a dihydrokaempferol 4-reductase () is an enzyme that catalyzes the chemical reaction
:cis-3,4-leucopelargonidin + NADP+ \rightleftharpoons (+)-dihydrokaempferol + NADPH + H+
Thus, the two substrates of this enzyme are cis-3,4-l ...
, an enzyme class
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Divergence-from-randomness model In the field of information retrieval, divergence from randomness, one of the first models, is one type of probabilistic model. It is basically used to test the amount of information carried in the documents. It is based on Harter's 2-Poisson inde ...
, in information retrieval
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Dounreay Fast Reactor
Dounreay (; gd, Dùnrath) is a small settlement and the site of two large nuclear establishments on the north coast of Caithness in the Highland area of Scotland. It is on the A836 road west of Thurso.
The nuclear establishments were creat ...
, Scotland
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Dual fluid reactor
The Dual Fluid Reactor is a reactor concept of the Canadian company Dual Fluid Energy Inc. combining the advantages of the molten salt reactor with those of the liquid metal cooled reactor, it is supposed to reach the criteria for reactors of the ...
{{disambiguation