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Ir
(redirected from inversion recovery)

   Also found in: Medical, Financial, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
Ir
The symbol for the element iridium.

IR
abbr.
1. information retrieval
2. infrared

ir
(Electronics & Computer Science / Computer Science)
the Internet domain name for Iran

Ir
the chemical symbol for
(Chemistry / Elements & Compounds) iridium

IR
abbreviation for
1. (Physics / General Physics) infrared
2. (Government, Politics & Diplomacy) (in Britain) Inland Revenue
3. (Government, Politics & Diplomacy)
international car registration for Iran

Ir
The symbol for iridium.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.IrIr - a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
2.IR - a board of the British government that administers and collects major direct taxes
administrative body, administrative unit - a unit with administrative responsibilities
Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom


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? Mentioned in ? References in periodicals archive
 
This paper describes the phases and roles of quantum filters in pulse sequence design to generate intracellular/extracellular sodium contrast, high signal-to-noise ratio, and high resolution in magnetic resonance sodium images by triple-quantum filter and double inversion recovery pulse sequence without using
4) This lesion was slightly higher in signal intensity than muscle on the proton-density sequence, had heterogeneously increased signal on the T2-weighted images, and had high signal with focal regions of intermediate signal on the short T1 inversion recovery (STIR) images.
Fluid attenuating inversion recovery (FLAIR) MRI sequences may show typical demyelinating lesions in a periventricular location if optic neuritis is related to demyelination.
 
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