| Standardization field | Electrical engineering | 
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| Technical committee | BAS/TC 30- Electric cables | 
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| Term (EN) | emissivity | 
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| Definition (EN) | The ratio of the radiant emittance of a substance to the radiant emittance of a black body at the same temperature.
Note. — Emissivity is a function of wavelength and temperature. | 
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| Term (FR) |  | 
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| Definition (FR) |  | 
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| Term (DE) |  | 
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| Definition (DE) |  | 
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| Term (BS) |  | 
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| Definition (BS) |  | 
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| Term (HR) |  | 
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| Definition (HR) |  | 
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| Term (SR) | emisivnost | 
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| Definition (SR) | Odnos emisije zračenja svjetlijih materijala prema emisiji zračenja crnog tijela na istoj temperaturi. 
Napomena — Emisivnost je funkcija talasne dužine i temperature. | 
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| Date | 2017-08-10 | 
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| Standards | BAS IEC 60050-731:2017 | 
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