| 释义 |
stilb Physics.|stɪlb|
[a. F. stilb (A. Blondel in Recueil des Trav. & Compt. Rend. des Séances (Internat. Commission on Illumination, 1923) V. 88), f. Gr. στίλβ-ειν to glitter.]
A unit of luminance equal to one candela per square centimetre.
1940in Chambers's Techn. Dict. 1942Jrnl. Optical Soc. Amer. XXXII. 355/2 The names, phot and stilb were..coined by Blondel (1921) and are in general use on the Continent. 1953[see nit n.4]. 1963van Wijk & Ubing in W. R. van Wijk Physics of Plant Environment iii. 90 In photometry a black body at the temperature of melting platinum (2042·16°K) is used as a standard light source. It has by definition a surface brightness of 60 candelas per cm2 or 60 stilb, when viewed in a direction perpendicular to the surface. |