IR

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Ir,

symbol for the element iridiumiridium
, metallic chemical element; symbol Ir; at. no. 77; at. wt. 192.217; m.p. about 2,410°C;; b.p. about 4,130°C;; sp. gr. 22.55 at 20°C;; valence +3 or +4.
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IR

Abbrev. for infrared.

Ir

(chemistry)

IR

Abbr. for “inside radius.”

IR

(networking)

IR

(electronics)

ir

(networking)
The country code for Iran.

IR

(1) (Industry Remarketer) See VAR and VAD.

(2) See infrared, IR detector and IrDA.

(3) See information resources.
References in periodicals archive ?
Using positron emission tomography (PET) to image receptor interactions, ITI-007 produced dose-related and long-lasting occupancy of three key targets of psychotropic drug action: the serotonin 5-HT2A and dopamine D2 receptors, as well as the serotonin reuptake transporter (SERT).
He describes the relationship between medicine and technology, the physical principles of x-rays and their characteristics, factors affecting their quality such as filter, dosages, x-ray systems as tools for diagnosis and intervention, system components, image receptor systems, imaging technology, and patient data management.
NaviVision is the first integrated optical navigation platform with automatic recording for surgery that is supported by an image receptor.