- intensity absorption coefficient
- амплитудный коэффициент поглощения
Англо-русский словарь нефтегазовой промышленности. 2011.
Англо-русский словарь нефтегазовой промышленности. 2011.
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
absorption coefficient — Any of four different coefficients that indicate the ability of a substance to absorb electromagnetic radiation. Absorbance is defined as the logarithm of the ratio of incident and transmitted intensity and thus it is necessary to know the base… … Dictionary of molecular biology
absorption coefficient — Physics, Optics. a measure of the rate of decrease in the intensity of electromagnetic radiation, as light, as it passes through a given substance. [1895 1900] * * * … Universalium
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
Absorption spectroscopy — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as a specific example. A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary… … Wikipedia
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
coefficient of absorption — 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
Attenuation coefficient — For attenuation coefficient as it applies to electromagnetic theory and telecommunications see propagation constant. For the mass attenuation coefficient , see the article mass attenuation coefficient. The attenuation coefficient is a quantity… … 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
Two-photon absorption — (TPA) is the simultaneous absorption of two photons of identical or different frequencies in order to excite a molecule from one state (usually the ground state) to a higher energy electronic state. The energy difference between the involved… … Wikipedia
Transmission coefficient — right|frame|An electromagnetic (or any other) wave experiences partial transmittance and partial reflectance when the medium through which it travels suddenly changes.The transmission coefficient is used in physics and electrical engineering when … Wikipedia