diffusion coefficient
101dispersion coefficient — 1. A measure of the spreading of a flowing substance due to the nature of the porous medium, with its interconnected channels distributed at random in all directions [22]. 2. The sum of the coefficients of mechanical dispersion and… …
102mechanical dispersion, coefficient — The component of mass transport flux of solutes caused by velocity variations at the microscopic level. Synonymous with convective diffusion [22] …
103Коэффициент диффузии — Diffusion coefficient Коэффициент диффузии. Коэффициент пропорциональности, представляющий количество вещества, диффундирующего сквозь единицу площади при единичном градиенте концентрации за единицу времени. (Источник: «Металлы и сплавы.… …
104Mass diffusivity — This article is about coefficient of molecular diffusion of mass. For other uses, see Diffusivity (disambiguation). Diffusivity or diffusion coefficient is a proportionality constant between the molar flux due to molecular diffusion and the… …
105gas — gasless, adj. /gas/, n., pl. gases, v., gassed, gassing. n. 1. Physics. a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid. 2. any such fluid or mixture of fluids. 3. any… …
106Fluorescence correlation spectroscopy — (FCS) is a common technique used by physicists, chemists, and biologists to experimentally characterize the dynamics of fluorescent species (e.g. single fluorescent dye molecules in nanostructured materials, autofluorescent proteins in living… …
107Constitutive equation — Many defining equations are in the form of a constitutive equation, since parameters of a property or effect associated matter are characteristic to the substance in question. A large number of other defining equations not specifically… …
108Micellar liquid chromatography — Acronym MLC Classification Chromatography Other techniques Related High performance liquid chromatography Aqueous Normal Phase Chromatography Size exclusion chromatography Ion exchange chromatography Micellar liquid chromatography (MLC) is a form …
109Heat equation — The heat equation is an important partial differential equation which describes the distribution of heat (or variation in temperature) in a given region over time. For a function of three spatial variables ( x , y , z ) and one time variable t ,… …
110oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
