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单词 radiationless transition
释义 radiationless transition
[´rād·ē`ā·shǝn·lǝs tran`zish·ǝn]
PHYSICS
A transition of a system between two energy states in which energy is given to or taken up from another system or particle, rather than being emitted or absorbed in electromagnetic radiation; examples include internal conversion, the Auger effect, and excitation or deexcitation of atoms or molecules in collisions with other atoms or molecules.
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