oxide phosphor
1Phosphor — A phosphor is a substance that exhibits the phenomenon of phosphorescence (sustained glowing after exposure to energized particles such as electrons).Phosphors are transition metal compounds or rare earth compounds of various types. The most… …
2Phosphor — Eigenschaften …
3Roter Phosphor — Eigenschaften …
4Schwarzer Phosphor — Eigenschaften …
5Weißer Phosphor — Eigenschaften …
6erbium oxide — noun Any oxide of erbium, but especially the pink amorphous solid ErO (erbia) that is used as a phosphor and in optics …
7rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
8screen — 1. A sheet of any substance used to shield an object from any influence, such as heat, light, x rays, etc. 2. A sheet upon which an image is projected. 3. Formerly, to make a fluoroscopic examination. 4. In psychoanalysis, concealment, as one… …
9luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …
10Dioxygen — Eigenschaften …
