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luminescence    音标拼音: [l,umən'ɛsəns]
n. 无热光,冷光,发光

无热光,冷光,发光

luminescence
亮度

luminescence
n 1: light not due to incandescence; occurs at low temperatures
2: light from nonthermal sources [synonym: {luminescence}, {glow}]

Luminescence \Lu`mi*nes"cence\, n. [See {Luminescent}.]
1. (Physics) Any emission of light not ascribable directly to
incandescence, and therefore occurring at low
temperatures, as in phosphorescence and fluorescence or
other luminous radiation resulting from vital processes,
chemical action, friction, solution, or the influence of
light or of ultraviolet or cathode rays, etc.
[Webster 1913 Suppl.]

2. (Zool.)
(a) The faculty or power of producing light by biological
processes, as in the firefly and glowworm. Also called
{bioluminescence}.
(b) The light produced by biological or biochemical
processes. Also called {bioluminescence}.
[Webster 1913 Suppl. PJC]


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    Luminescence is an interdisciplinary journal covering optics, photonics and electromagnetics, providing a forum for the publication of research on fundamental and applied aspects of all forms of luminescence
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  • Luminescence | Definition, Examples, Types, Facts | Britannica
    luminescence, emission of light by certain materials when they are relatively cool It is in contrast to light emitted from incandescent bodies, such as burning wood or coal, molten iron, and wire heated by an electric current
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    Technically, luminescence refers to spontaneous emission of electromagnetic radiation (photons) from a material that absorbs energy from a source (external stimulus)
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    Luminescence is light emission that does not result from heat, unlike incandescence It occurs when electrons absorb energy and release it as light while returning to a lower energy state
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    Luminescence is an interdisciplinary journal for research on fundamental applied aspects of all forms of luminescence, covering optics, photonics electromagnetics
  • Journal of Luminescence | ScienceDirect. com by Elsevier
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