The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
From inside the book
Results 1-3 of 10
Page 23
... luminescence has been accepted for all light phenomena not caused solely by a rise of temperature , but the distinction between the terms phosphorescence and fluorescence is still open to discussion . With respect to organic molecules ...
... luminescence has been accepted for all light phenomena not caused solely by a rise of temperature , but the distinction between the terms phosphorescence and fluorescence is still open to discussion . With respect to organic molecules ...
Page 25
... luminescence , it is useful , at first , to neglect interactions between the luminescing atoms , molecules , or centres with their envi- ronment . In the gas phase these interactions are smaller than they are in the condensed phase of a ...
... luminescence , it is useful , at first , to neglect interactions between the luminescing atoms , molecules , or centres with their envi- ronment . In the gas phase these interactions are smaller than they are in the condensed phase of a ...
Page 28
... luminescence ; luminance . The efficiency of luminescence emission must be regarded on an energy and a quantum basis . When every exciting photon yields an emitted photon of the same energy ( as is the case for resonance excitation ...
... luminescence ; luminance . The efficiency of luminescence emission must be regarded on an energy and a quantum basis . When every exciting photon yields an emitted photon of the same energy ( as is the case for resonance excitation ...
Other editions - View all
Common terms and phrases
20th century Aeschylus allegory ancient Aristotle audience axiomatic axioms ballads biography calculus called character children's literature classical comedy comic criticism culture D.H. Lawrence derived dialects drama electrons elements Émile Zola energy England English epic essay example fiction Figure formal France French function genre German grammar Greek hero human inference interpretation John John Locke known language Latin light Lincoln linguistics Lisbon literary logic logician London luminescence Luther meaning medieval mereology metalogic metre modal logic modern moral morpheme nanometres narrative nature novel novelists original philosophical phoneme photons plays poem poet poetry predicate premises propositions prose prosody relation Renaissance romance rules saga satire semantic sense sentence social story structure style syllogisms syllogistic symbols T.S. Eliot tagmeme theatre theme theorem theory tion tradition tragedy tragic true truth valid variables verse wave wff's words writing written