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measure (en) > emissivity (en)

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  • Bir cismin ışıma salım gücünün, aynı sıcaklıktaki kusursuz bir kara cismin salım gücüne oranı. 2. kim. Bir kaynağın enerji ya da parçacık halinde madde salma yatkınlığı. (tr)
  • Emissivity is defined as the ratio of the energy radiated from a material's surface to that radiated from a perfect emitter, known as a blackbody, at the same temperature and wavelength and under the same viewing conditions. It is a dimensionless number between 0 (for a perfect reflector) and 1 (for a perfect emitter). (en)

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http://aims.fao.org/aos/agrovoc/c_2af4a35c

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