Luminescence - Wikipedia, the free encyclopedia
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Luminescence is light that usually occurs at low temperatures, and is thus a form of cold body radiation. It can be caused by chemical reactions, electrical energy, subatomic motions, or stress on a ...
en.wikipedia.org/wiki/Luminescence
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Photoluminescence - Wikipedia, the free encyclopedia
Photoluminescence (abbreviated as PL ) is a process in which a substance absorbs photons (electromagnetic radiation) and then re-radiates photons. Quantum mechanically, this can be described as an ...
en.wikipedia.org/wiki/Photoluminescence
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A general term which describes any process in which energy is emitted from a material at a different wavelength from that at which it is absorbed. ... Luminescence phenomena often occur only in the presence of a trace amount of an activator species (such as iron in the case of manganese-containing salt from the Saltan Sea),
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scienceworld.wolfram.com/physics/Luminescence.html
scienceworld.wolfram.com/physics/Luminescence.html
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Fluorescence, luminescence ... BERTHOLD TECHNOLOGIES is considered a worldwide leader in luminescence measuring technology and has provided thousands of luminometers for research and diagnostics.
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www.bertholdtech.com/en/pub/bioanalytik/biomethods/lumi...
www.bertholdtech.com/en/pub/bioanalytik/biomethods/luminescence.cfm
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Definition of luminescence from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... : the low-temperature emission of light (as by a chemical or physiological process); also : light produced by luminescence...
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www.merriam-webster.com/dictionary/luminescence
www.merriam-webster.com/dictionary/luminescence
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luminescence n. The emission of light that does not derive energy from the temperature of the emitting body, as in phosphorescence, fluorescence ... Luminescence is the generation of light without heat. There are two principal varieties of luminescence, fluorescence and phosphorescence, distinguished by the delay in...
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www.answers.com/topic/luminescence
www.answers.com/topic/luminescence
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Britannica online encyclopedia article on luminescence (physics), 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. ... Luminescence and incandescence...
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www.britannica.com/EBchecked/topic/351229/luminescence
www.britannica.com/EBchecked/topic/351229/luminescence
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Luminescence dating is a Quaternary dating method used to determine the age of a sample. The method was initially developed in the 1960's for dating pottery. ... The luminescence dating laboratory in Aberystwyth is part of the Institute of Geography and Earth Sciences in the University of Wales.
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www.aber.ac.uk/~qecwww/luminescence/aberlum.htm
www.aber.ac.uk/~qecwww/luminescence/aberlum.htm
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Luminescence is the generation of light without heat. There are two principal varieties of luminescence, fluorescence and phosphorescence, distinguished by the delay in reaction to external electromagnetic radiation.
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www.scienceclarified.com/everyday/Real-Life-Chemistry-V...
www.scienceclarified.com/everyday/Real-Life-Chemistry-Vol-5/Luminescence.html
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