simetrija

simetrija

The maximum difference between the X-ray dose delivered to any two points that are equidistant and symmetrical about the central axis and within the central 80% FWHM (full width at half measure) region, measured at 100 cm TSD (target-to-skin distance) at a depth of 10 cm. This specification applies to the radial and transverse axes of all square field sizes from 10 x 10 cm2 to 40 x 40 cm2.

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Vārdšķira: noun
Sinonīms(-i):
Blossary:
Nozare/domēns: Medical devices
Category: Radiology equipment
Company: Varian
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Saistītie termini

bilateralna simetrija

Biology; General

In animals, refers to those that have a single axis of symmetry."

bilateralna simetrija

Biology; Cell biology

Kod životinja, odnosi se na one koje imaju jednu os simetrije.

bilateralna simetrija

Biology; Ecology

Podjela tijela na zrcalno jednake polovice (lijeva i desna ruka i noga, na primjer). Životinje s bilateralnom simetrijom pokazuju dorzalnu (gornju), ventralnu (donju), anteriornu ...

kompjuterizirana tomografija

Medical devices; Radiology equipment

Medical imaging method employing tomography where digital geometry processing is used to generate a three-dimensional image of the internals of an object from a large series of ...

kompenzator

Medical devices; Radiology equipment

An accessory, one of various detachable beam-modification devices.

kompatibilnost

Medical devices; Radiology equipment

Capability of efficient integration and operation with other elements in a system.

kolimator

Medical devices; Radiology equipment

A block of radiation attenuating material with one or more fixed or movable apertures. The collimators in the treatment head of the Clinac define the treatment field and limit the ...