- luminous radiation
- световое излучение, физ. излучение световое
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Luminous radiation — Световое излучение … Краткий толковый словарь по полиграфии
Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… … Wikipedia
Luminous paint — Luminous (or luminescent) paint exhibits luminescence. In other words, it gives off visible light through fluorescence, phosphorescence, or radioluminescence.Fluorescent paintFluorescent paint reacts to long wave ultraviolet (UV) radiation,… … Wikipedia
Luminous blue variable — Luminous blue variables, also known as S Doradus variables, are very bright, blue, hypergiant variable stars. They exhibit long, slow changes in brightness, punctuated by occasional outbursts of substantial mass loss. They are extraordinarily… … Wikipedia
Luminous Blue Variable — Variable lumineuse bleue L étoile du Pistolet. En astronomie, une variable lumineuse bleue (ou LBV acronymeen de l anglais Luminous blue variable), appelée également variable de type S Doradus, ou variable de Hubble Sandage, est une étoile… … Wikipédia en Français
luminous energy — noun the energy associated with visible light • Hypernyms: ↑radiant energy * * * noun : energy transferred by or in the form of visible radiation compare radiant energy * * * light1 (def. 2a). [1930 35] * * * luminous energy noun Energy emitted… … Useful english dictionary
luminous — adj. 1 full of or shedding light; radiant, bright, shining. 2 phosphorescent, visible in darkness (luminous paint). 3 (esp. of a writer or a writer s work) throwing light on a subject. 4 of visible radiation (luminous intensity). Derivatives:… … Useful english dictionary
luminous paint — noun : a paint containing a phosphor (as zinc sulfide activated with copper) and so able to glow in the dark either for a time after exposure to ultraviolet radiation or indefinitely by excitation with a radioactive material (as radium) if one… … Useful english dictionary
radiation — Synonyms and related words: X ray, actinic ray, actinism, arc lighting, asteroids, atomic beam, atomic ray, attenuation, aurora particles, beam, beam of light, black and white, blackout, broadcast, broadcasting, chiaroscuro, circumfusion,… … Moby Thesaurus
luminous paint — paint containing a phosphor that emits visible light when irradiated with ultraviolet light. [1885 90] * * * paint that glows in the dark because it contains a phosphor, a substance that emits light for a certain length of time after… … Universalium
luminous efficiency — /lumənəs əˈfɪʃənsi/ (say loohmuhnuhs uh fishuhnsee) noun 1. (of a source) the ratio of the light emitted to the energy input, especially when expressed as lumens per watt for electric lamps. 2. (of a radiation) the ratio of the luminous flux to… …