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photometry SUBST

photometry
شدة الضوء

photometry PHYS

heterochromatic photometry PHOTO

Exemples monolingues (non-vérifiés par l'équipe de rédaction)

anglais
This becomes useful in photometry and colorimetry as the perceived color changes with source illumination and spectral distribution and coincides with metamerisms where an object's color appearance changes.
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He developed new procedures based on colorimetry and flame-photometry which speeded up the rock analyses.
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In modern photometry, the radiant power at each wavelength is weighted by a luminosity function that models human brightness sensitivity.
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Apart from this post, his main body of work concerned the photometry of stars and the investigation of variable stars with a new photometer.
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Many students have obtained their diploma or doctorate, and important scientific work in astrometry and photometry of stars of the Milky Way was carried out.
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He was responsible for at least eighteen registered patents, and authored dozens of articles on such subjects as photometry, physical optics, illuminating engineering, colorimetry, photography and motion pictures.
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He was an early pioneer of stellar photoelectric photometry.
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The photometry was part of a multi-year monitoring programme that showed the ubiquity of infrared variability in these objects.
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His Breathalyzer used chemical oxidation and photometry to determine alcohol concentrations.
en.wikipedia.org
He was noted for his work in photoelectric and photographic photometry.
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