Abstract
IN connection with this subject there are many things to be considered, and one of the most important is the question of radiation and absorption, which requires a completely new nomenclature to get over very serious ambiguities that at present embarrass the subject. It is very necessary to distinguish between what may be called, on Prevost's theory of exchanges, the total radiatance from the actually observed loss of energy by radiation which is, according to this theory, the difference between the total radiatance and the total absorbance. This difference per degree of temperature is very commonly called the radiating power, but this same word is used in quite a different sense when it is attempted to prove, from Prevost's theory of exchanges, that the radiating is equal to the absorbing powers by a consideration of thermal equilibrium. In this latter case the term radiating power means obviously the total radiatance of Prevost's theory.
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FITZGERALD, G. On the Nomenclature for Radiant Energy. Nature 49, 149 (1893). https://doi.org/10.1038/049149a0
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DOI: https://doi.org/10.1038/049149a0
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