absorptivity: absorption coefficient


absorptivity: absorption coefficient
поглотительная способность

Англо-український і українсько-англійський словник з аналітичної хімії. — Севастополь: «Вебер». . 2002.

Смотреть что такое "absorptivity: absorption coefficient" в других словарях:

  • absorption coefficient — n the fraction of incident radiant energy which is absorbed per unit thickness, per unit mass, or per atom of an absorber called also coefficient of absorption * * * 1. absorptivity. 2. see linear absorption c. 3. see mass absorption c …   Medical dictionary

  • absorption coefficient — noun a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber absorptance equals… …   Useful english dictionary

  • molar absorption coefficient — molar extinction coefficient molar absorptivity …   Medical dictionary

  • coefficient — 1. The expression of the amount or degree of any quality possessed by a substance, or of the degree of physical or chemical change normally occurring in that substance under stated conditions. 2. The ratio or factor that relates a quantity… …   Medical dictionary

  • absorptivity — 1. SYN: specific absorption coefficient. 2. SYN: molar absorption coefficient. 3. The ability of a material to absorb electromagnetic radiation. molar a. SYN: molar absorption coefficien …   Medical dictionary

  • Absorption (electromagnetic radiation) — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as specific example. A white beam source emitting light of multiple wavelengths is focused on a sample (the complementary color… …   Wikipedia

  • absorptivity — noun (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body • Syn: ↑absorption factor • Derivationally related forms: ↑absorptive • Topics: ↑physics, ↑natural …   Useful english dictionary

  • absorptivity — noun a) The quality of being absorptive; absorptiveness. b) (analytical chemistry) The constant a in the Beers law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power …   Wiktionary

  • Molar absorptivity — The molar absorption coefficient, molar extinction coefficient, or molar absorptivity, is a measurement of how strongly a chemical species absorbs light at a given wavelength. It is an intrinsic property of the species; the actual absorbance, A,… …   Wikipedia

  • Mass attenuation coefficient — The mass attenuation coefficient is a measurement of how strongly a chemical species or substance absorbs or scatters light at a given wavelength, per unit mass. In addition to visible light, mass attenuation coefficients can be defined for other …   Wikipedia

  • Extinction coefficient — refers to several different measures of the absorption of light in a medium:*In chemistry, the molar absorptivity, the mass extinction coefficient or the molar extinction coefficient are all similar parameters defining how strongly a chemical… …   Wikipedia