absorption radiative

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• Radiative transfer — The term radiative transfer refers to the physical phenomena of energy transfer in the form of electromagnetic radiation. The propagation of radiation through a medium is affected by absorption, emission and scattering processes. The equation of… …   Wikipedia

• Radiative transfer equation and diffusion theory for photon transport in biological tissue — Photon transport in biological tissue can be equivalently modeled numerically with Monte Carlo simulations or analytically by the radiative transfer equation (RTE). However, the RTE is difficult to solve without introducing approximations. A… …   Wikipedia

• Radiative forcing — In climate science, radiative forcing is generally defined as the change in net irradiance between different layers of the atmosphere. Typically, radiative forcing is quantified at the tropopause in units of watts per square meter. A positive… …   Wikipedia

• 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

• Water absorption — is a phenomenon in the transmission of electromagnetic radiation through a medium containing water molecules. Water molecules are excited by radiation at certain wavelengths and tend to selectively absorb portions of the spectrum while allowing… …   Wikipedia

• List of atmospheric radiative transfer codes — this article contains list of atmospheric radiative transfer codes and their applications.ClassificationThe compilation contains information about the atmospheric radiative transfer, relevant databases, and atmospheric radiation parameterizations …   Wikipedia

• Coronal radiative losses — In astronomy and in astrophysics, for radiative losses of the solar corona, it is meant the energy flux irradiated from the external atmosphere of the Sun (traditionally divided into chromosphere, transition region and corona), and, in particular …   Wikipedia

• Polar Cap Absorption — Beziehung von Ionosphäre und Erdatmosphäre Elektronendichte und Ionenzusammensetzung in den oberen Ionosphärenschichten …   Deutsch Wikipedia

• Loi de Kasha — Appelée ainsi d après le spectroscopiste américain Michael Kasha, la loi de Kasha est un principe photochimique stipulant qu après l absorption d un photon par une molécule dans l état fondamental et le peuplement résultant des états excités, l… …   Wikipédia en Français

• Nuclear cross section — The nuclear cross section of a nucleus is used to characterize the probability that a nuclear reaction will occur. The concept of a nuclear cross section can be quantified physically in terms of characteristic area where a larger area means a… …   Wikipedia

• DEUTÉRIUM ET TRITIUM — Le deutérium est l’isotope de masse 2 de l’hydrogène. Son symbole chimique, 21H, est souvent désigné par la lettre D. Le deutérium a été découvert en 1931 par Harold C. Urey et ses collaborateurs, qui observèrent dans le spectre optique de… …   Encyclopédie Universelle