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powder phosphor

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  • Phosphor thermometry — is an optical method for surface temperature measurement. The method exploits luminescence emitted by phosphor material. Phosphors are fine white or pastel colored inorganic powders which may be stimulated by any of a variety of means to… …   Wikipedia

  • Phosphor bronze — Bronze Bronze, n. [F. bronze, fr. It. bronzo brown, fr. OHG. br?n, G. braun. See {Brown}, a.] 1. An alloy of copper and tin, to which small proportions of other metals, especially zinc, are sometimes added. It is hard and sonorous, and is used… …   The Collaborative International Dictionary of English

  • Bronze powder — Bronze Bronze, n. [F. bronze, fr. It. bronzo brown, fr. OHG. br?n, G. braun. See {Brown}, a.] 1. An alloy of copper and tin, to which small proportions of other metals, especially zinc, are sometimes added. It is hard and sonorous, and is used… …   The Collaborative International Dictionary of English

  • Electroluminescence — Animation of LCD, both unlit and with electroluminescent backlight switched on …   Wikipedia

  • luminescence — 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) +… …   Universalium

  • Neon sign — …   Wikipedia

  • rare-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 …   Universalium

  • zinc sulfide — noun a yellow to white crystalline fluorescent compound that occurs naturally as sphalerite or wurtzite and is used as a luminous pigment • Syn: ↑zinc sulphide • Hypernyms: ↑sulfide, ↑sulphide * * * noun : a fluorescent compound ZnS that occurs… …   Useful english dictionary

  • Japanese Industrial Standards — This article is about Japanese Industrial Standards in general; see JIS encoding for the character encoding used in representing the Japanese language for computer software and communication. Japanese Industrial Standards (JIS) specifies the… …   Wikipedia

  • photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

  • Fire extinguisher — Extinguisher redirects here. Extinguisher may also refer to a candle snuffer. A stored pressure fire extinguisher …   Wikipedia

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