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This page was last edited on 18 November 2013, at 15:41 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
DMax and DMin refer to the maximum and minimum density that can be produced by the material. The difference between the two is the density range. [1] The density range is related to the exposure range (dynamic range), which is the range of light intensity that is represented by the recording, via the Hurter–Driffield curve.
τ ν is the spectral optical depth in frequency, and; τ λ is the spectral optical depth in wavelength. Although absorbance is properly unitless, it is sometimes reported in "absorbance units", or AU. Many people, including scientific researchers, wrongly state the results from absorbance measurement experiments in terms of these made-up ...
During the Vietnam War, Cần Thơ was the home of the ARVN IV Corps capital. The ARVN 21st division was dedicated to protect the city of Cần Thơ, including the provinces of Chương Thiện (now in Hậu Giang), Bạc Liêu, An Xuyen (Cà Mau), Ba Xuyen (Soc Trang), and Kiên Giang.
AFAIK, optical density was originally defined by Hurter and Driffield as D = log10(O) to indicate the amount of an opaque substance suspended in a transparent medium: "For our purposes, i.e., in its application to negatives, the density is directly proportional to the amount of silver deposited per unit area, and may be used as a measure of ...
Vân Canh is a rural district (huyện) of Bình Định province in the South Central Coast region of Vietnam. The district capital is Vân Canh. [ 2 ] Vân Canh is a mountainous district, located in the southwest of Bình Định Province, and is relatively sparsely populated.
Spectral optical depth or spectral optical thickness is the natural logarithm of the ratio of incident to transmitted spectral radiant power through a material. [1] Optical depth is dimensionless , and in particular is not a length, though it is a monotonically increasing function of optical path length , and approaches zero as the path length ...
The optical properties of a material define how it interacts with light. The optical properties of matter are studied in optical physics (a subfield of optics ) and applied in materials science . The optical properties of matter include: