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phosphorescence    音标拼音: [f,ɑsfɚ'ɛsəns]
n. 磷光

磷光

phosphorescence
磷光

phosphorescence
n 1: a fluorescence that persists after the bombarding radiation
has ceased

Phosphorescence \Phos`phor*es"cence\, n. [Cf. F.
phosphorescence.]
1. The quality or state of being phosphorescent.
[1913 Webster]

2. The process of phosphorescing, especially that of emitting
light after a source of excitation has been removed. This
contrasts with the process of {fluorescence}, in which a
substance emits light of a lower wavelength than the
illuminating light, only while the illumination continues.
[PJC]

3. Light emitted by the process of phosphorescence.
[1913 Webster]


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  • Phosphorescence - Wikipedia
    Phosphorescence is a type of photoluminescence related to fluorescence When exposed to light (radiation) of a shorter threshold wavelength, a phosphorescent substance will glow, absorbing the light and reemitting it at a longer wavelength
  • Phosphorescence - Definition, Examples, Applications
    Learn what phosphorescence is, how it works, and how it differs from fluorescence Get examples of phosphorescent objects and materials
  • Phosphorescence | Chemiluminescence, Bioluminescence, Fluorescence . . .
    phosphorescence, emission of light from a substance exposed to radiation and persisting as an afterglow after the exciting radiation has been removed
  • Fluorescence and Phosphorescence - Chemistry LibreTexts
    In phosphorescence, there is a change in electron spin, which results in a longer lifetime of the excited state (second to minutes) Fluorescence and phosphorescence occurs at longer wavelength than the excitation radiation
  • PHOSPHORESCENCE Definition Meaning - Merriam-Webster
    The meaning of PHOSPHORESCENCE is luminescence that is caused by the absorption of radiations (such as light or electrons) and continues for a noticeable time after these radiations have stopped
  • Phosphorescence - Chemistry LibreTexts
    Unlike florescence, phosphorescence does not re-emit the light immediately Instead, phosphorescence releases light very slowly in the dark due to its energy transition state When light such as ultraviolet light is shined upon a glow in dark object, the object emits light, creating phosphorescence
  • Fluorescence, Phosphorescence, Absorption - Britannica
    Phosphorescence is related to fluorescence in terms of its general mechanism but involves a slower decay
  • Phosphorescence - RP Photonics
    What is phosphorescence? Phosphorescence is a type of luminescence where a material absorbs light and then re-emits it slowly over a long period, from milliseconds to hours This slow release of light is often observed as a 'glow-in-the-dark' effect





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