diffuse reflectance


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diffuse reflectance

The reflectance of light from a rough or nonpolished surface in which the radiant energy tends to scatter. The angle of reflectance does not equal the angle of incidence.
See also: reflectance
Medical Dictionary, © 2009 Farlex and Partners
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McCarty GW, Reeves JB (2006) Comparison of NFAR infrared and mid infrared diffuse reflectance spectroscopy for field-scale measurement of soil fertility parameters.
Diffuse reflectance spectra (VIS-NIR) of pigments: a) [Al.sub.(pec)]; b) Co-[Al.sub.(pec)]; c) Fe- [Al.sub.(pec)]; and d) Ni-[Al.sub.(pec)].
S2: comparison between the diffuse reflectance spectra of Ti[O.sub.2]-P25 and prepared Ti[O.sub.2] foam.
Sahrawat, "Dependency measures for assessing the covariation of spectrally active and inactive soil properties in diffuse reflectance spectroscopy," Soil Science Society of America Journal, vol.
Naturforsch, Diffuse Reflectance Spectra of Vanadium Pentoxide Powder.
L., "Diffuse reflectance spectroscopy characterization of hemoglobin and intralipid solutions: in vitro measurements with continuous variation of absorption and scattering", J.
The optical properties of catalyst were determined from diffuse reflectance measurements in the range of 400-900 nm.
Diffuse reflectance spectra of soils scanned were transformed to log (1/R) units several pre-processing methods were used in this study such as standard normal variate (SNV), the wavelet filter at scale 2 and a first derivative.
The prediction color from diffuse reflectance measurements allows a great contribution to the technology of color, as it could get many tones from a combination of only three ceramic pigments.
The diffuse reflectance spectra of prepared powders were measured by a JASCO V-670 UV-Vis Spectrophotometer (in the range of 220-2200 nm).
Diffuse Reflectance (DR) is the result of single and multiple backscattering of the white excitation light a property that depends on tissue morphology such as nuclear size, distribution, epithelial thickness, and collagen content, and the amount of oxy and deoxy - haemoglobin presence in the exposed tissue, all of which can vary during tissue transformation to malignant state.
Thus, this is the motivation for this work, which takes as an example, the determination of moisture in samples of yerba mate, using near infrared spectroscopy (NIR) in diffuse reflectance mode (FORINA et al., 2009; NI et al., 2011).

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