См. также в других словарях:
Diffusion MRI — Diagnostics DTI Color Map MeSH D038524 Diffusion MRI is a mag … Wikipedia
Diffusion hardening — Schematic cutaway view of a diffusion hardened metal gear Diffusion hardening is a process used in manufacturing that increases the hardness of steels. In diffusion hardening, diffusion occurs between a steel with a low carbon content and a… … Wikipedia
Diffusion creep — refers to the deformation of crystalline solids by the diffusion of vacancies through their crystal lattice.[1] Diffusion creep results in plastic deformation rather than brittle failure of the material. Diffusion creep is more sensitive to… … Wikipedia
Diffusion capacitance — is the capacitance due to transport of charge carriers between two terminals of a device, for example, the diffusion of carriers from anode to cathode in forward bias mode of a diode or from emitter to base (forward biased junction in active… … Wikipedia
Diffusion (disambiguation) — Diffusion is a time dependent random process causing a spread in space. Diffusion may also refer to: In physical sciences Molecular diffusion, spontaneous dispersion of mass (distinct from migration, caused by an external force) Conduction of… … Wikipedia
Diffusion-controlled reaction — Diffusion controlled (or diffusion limited) reactions are reactions that occur so quickly that the reaction rate is the rate of transport of the reactants through the reaction medium (usually a solution).[1] As quickly as the reactants encounter… … Wikipedia
Diffusion — Dif*fu sion, n. [L. diffusio: cf. F. diffusion.] 1. The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion. [1913 Webster] A diffusion of knowledge which has undermined superstition.… … The Collaborative International Dictionary of English
Diffusion (business) — Diffusion is the process by which a new idea or new product is accepted by the market. The rate of diffusion is the speed that the new idea spreads from one consumer to the next. Adoption is similar to diffusion except that it deals with the… … Wikipedia
Diffusion control — refers to reactions whose rate is governed by transport of the reactants through the reaction medium (usually a solution). The process of chemical reaction can be considered as involving the diffusion of reactants till they encounter each other… … Wikipedia
Diffusion curve — Diffusion curves are vector graphic primitives for creating smooth shaded images. Each diffusion curve partitions the 2D graphics space through which it is drawn, defining different colors on either side. When rendered, these colors then spread… … Wikipedia
diffusion — diffusion, diffusionism Diffusion refers to the spread of cultural attributes from one culture to another through contact between different cultural groups. Diffusion theory developed in the eighteenth and nineteenth centuries, in opposition to… … Dictionary of sociology