internal diffusion
1Diffusion MRI — Diagnostics DTI Color Map MeSH D038524 Diffusion MRI is a mag …
2Diffusion (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… …
3Internal validity — is the validity of (causal) inferences in scientific studies, usually based on experiments as experimental validity [ Mitchell, M. and Jolley, J. (2001). Research Design Explained (4th Ed) New York:Harcourt.] . Details Inferences are said to… …
4Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
5Diffusion of innovations — The diffusion of innovations according to Rogers. With successive groups of consumers adopting the new technology (shown in blue), its market share (yellow) will eventually reach the saturation level. In mathematics the S curve is known as the… …
6Molecular diffusion — This article is about spontaneous dispersion of mass. For a more generic treatment of diffusion, see Diffusion. Diffusion from a microscopic and macroscopic point of view. Initially, there are solute molecules on the left side of a barrier… …
7Gaseous diffusion — is a technology used to produce enriched uranium by forcing gaseous uranium hexafluoride, UF6, through semi permeable membranes. This produces a slight separation between the molecules containing uranium 235 and uranium 238. By use of a large… …
8Bass diffusion model — The Bass diffusion model was developed by Frank Bass and describes the process how new products get adopted as an interaction between users and potential users. The model is widely used in forecasting, especially product forecasting and… …
9Lexical diffusion — In historical linguistics, lexical diffusion is both a phenomenon and a theory. The phenomenon is that by which a phoneme is modified in a subset of the lexicon, and spreads gradually to other lexical items. For example, in English, /uː/ has… …
10Plant physiology — is a subdiscipline of botany concerned with the function, or physiology, of plants.Salisbury, Frank B. Cleon W. Ross, 1992. Plant physiology , 4th ed. (Belmont, California: Wadsworth Publishing). ISBN 0 534 15162 0] Closely related fields include …
