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%ما هو (من)٪ 1 - تعريف
CAPACITY OF AN OBJECT TO REFLECT LIGHT
Spectral reflectance; Reflectiveness; Reflection factor; Reflectance factor; Spectral reflectivity; White-state reflectance; Surface reflectivity; Reflectivity; Reflectance spectrum
reflectance
¦ noun Physics a property of a surface equal to the proportion of incident light which it reflects or scatters.
Reflectance
The reflectance of the surface of a material is its effectiveness in reflecting radiant energy. It is the fraction of incident electromagnetic power that is reflected at the boundary.
Surface differential reflectivity
SPECTROSCOPIC TECHNIQUE
Draft:Surface Differential Reflectivity; Draft:Surface differential reflectivity
Surface differential reflectivity (SDR) or differential reflectance spectroscopy (DRS) is a spectroscopic technique that measures and compares the reflectivity of a sample in two different physical conditions (modulation spectroscopy). The result is presented in terms of ΔR/R, which is defined as follow:
ويكيبيديا
Reflectance
The reflectance of the surface of a material is its effectiveness in reflecting radiant energy. It is the fraction of incident electromagnetic power that is reflected at the boundary. Reflectance is a component of the response of the electronic structure of the material to the electromagnetic field of light, and is in general a function of the frequency, or wavelength, of the light, its polarization, and the angle of incidence. The dependence of reflectance on the wavelength is called a reflectance spectrum or spectral reflectance curve.
أمثلة من مجموعة نصية لـ٪ 1
1. "A small body with high reflectivity can be as bright as a large body with low reflectivity," Sheppard said.
2. Bright lighting: This year‘s screen, in terms of reflectivity, splits the difference between the Samsung and last year‘s XBR4.
3. Brightness in the visible spectrum is a function of both the reflectivity of the body and its size, expressed as the area illuminated by the sun.
4. They discovered a link between the color and reflectivity of the vegetation in the images –– their signature –– and the location of known archaeological sites.
5. Carbon footprint superstores! – Jeff, Houston, TX USA rain spots would reduce reflectivity and one assumes that it cooks things without generating grease splatter which would cover the reflector.