- отношение радиационной энергии, излучаемой с единицы площади поверхности по всем радиальным направлениям, к излучению полусферы - см. также radiant flux density.
English-Russian dictionary of terms for heating, ventilation, air conditioning and cooling air. 2013.
radiant-flux density — noun : the radiant energy in a beam of electromagnetic, thermal, or acoustic radiation passing through a unit normal section per unit time called also intensity of radiation … Useful english dictionary
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