density contrast
1Density contrast — The Density Contrast is a parameter used in galaxy formation to indicate where there are local enhancements in matter density. It is believed that after inflation, although the universe was mostly uniform, some regions were slightly denser than… …
2density contrast — fotografinis kontrastas statusas T sritis Standartizacija ir metrologija apibrėžtis Šviesiausios ir tamsiausios fotografinio atvaizdo vietų optinių tankių dalmuo. atitikmenys: angl. density contrast vok. Schwärzungskontrast, m rus.… …
3density contrast — fotografinis kontrastas statusas T sritis chemija apibrėžtis Šviesiausios ir tamsiausios fotografinio atvaizdo vietų optinių tankių santykis. atitikmenys: angl. density contrast rus. фотографический контраст …
4density contrast — fotografinis kontrastas statusas T sritis fizika atitikmenys: angl. density contrast vok. Schwärzungskontrast, m rus. фотографический контраст, m pranc. contraste photographique, m …
5Density contrast — Интервал оптических плотностей …
6contrast medium — n a substance (as a solution of iodine or suspension of barium sulfate) comparatively opaque to X rays that is introduced into the body (as by injection or swallowing) to contrast an internal part (as the gastrointestinal tract, kidneys, or blood …
7contrast medium — contrast agent a substance administered to enhance the visibility of structures (i.e. increase the contrast) during imaging. In radiography a positive contrast agent (e.g. barium sulphate or a water soluble iodine containing compound) increases… …
8Contrast-to-noise ratio — Haze over Kuala Lumpur. Contrast to noise ratio (CNR) is a measure used to determine image quality. CNR is similar to the metric, signal to noise ratio (SNR), but subtracts off a term before taking the ratio. This is important when there is a… …
9Contrast (vision) — Left side of the image has low contrast, the right has higher contrast …
10Contrast — Short for contrast media. Contrast media are X ray dyes used to provide contrast, for example, between blood vessels and other tissue. * * * 1. A comparison in which differences are demonstrated or enhanced. 2. In radiology, the difference… …
