linear diffusion coefficient

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• Diffusion MRI — Diagnostics DTI Color Map MeSH D038524 Diffusion MRI is a mag …   Wikipedia

• Diffusion equation — The diffusion equation is a partial differential equation which describes density fluctuations in a material undergoing diffusion. It is also used to describe processes exhibiting diffusive like behaviour, for instance the diffusion of alleles in …   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

• Diffusion inelastique — Collision inélastique Un appareil photo stroboscopique à 25 images par seconde a recueilli ces images d une balle qui rebondit. Chaque choc de la balle est inélastique, une partie de son énergie cinétique est dissipée à chaque contact. Si la… …   Wikipédia en Français

• Diffusion inélastique — Collision inélastique Un appareil photo stroboscopique à 25 images par seconde a recueilli ces images d une balle qui rebondit. Chaque choc de la balle est inélastique, une partie de son énergie cinétique est dissipée à chaque contact. Si la… …   Wikipédia en Français

• Fick's law of diffusion — Fick s laws of diffusion describe diffusion and can be used to solve for the diffusion coefficient D . They were derived by Adolf Fick in the year 1855. First law Fick s first law relates the diffusive flux to the concentration field, by… …   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

• Fick's laws of diffusion — For the technique of measuring cardiac output, see Fick principle. Molecular diffusion from a microscopic and macroscopic point of view. Initially, there are solute molecules on the left side of a barrier (purple line) and none on the right. The… …   Wikipedia

• Itō diffusion — In mathematics mdash; specifically, in stochastic analysis mdash; an Itō diffusion is a solution to a specific type of stochastic differential equation. Itō diffusions are named after the Japanese mathematician Kiyoshi Itō.OverviewA (time… …   Wikipedia

• Anomalous Diffusion — Typically, in a diffusion process, the mean squared displacement (msd) of a particle is a linear function of time. Anomalous diffusion is used to describe a diffusion process with a non linear dependence on time.Diffusion is often described by a… …   Wikipedia

• Reaction–diffusion system — Reaction–diffusion systems are mathematical models which explain how the concentration of one or more substances distributed in space changes under the influence of two processes: local chemical reactions in which the substances are transformed… …   Wikipedia