Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) generally from a region of higher concentration to a region of...
56 KB (8,405 words) - 15:50, 13 September 2024
Stable Diffusion is a deep learning, text-to-image model released in 2022 based on diffusion techniques. The generative artificial intelligence technology...
65 KB (6,072 words) - 10:07, 10 October 2024
Fick's laws of diffusion describe diffusion and were first posited by Adolf Fick in 1855 on the basis of largely experimental results. They can be used...
57 KB (8,139 words) - 17:42, 8 October 2024
In machine learning, diffusion models, also known as diffusion probabilistic models or score-based generative models, are a class of latent variable generative...
83 KB (13,999 words) - 19:40, 10 October 2024
Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett...
65 KB (7,140 words) - 14:09, 8 July 2024
Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed...
15 KB (1,802 words) - 04:30, 10 March 2024
Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the...
64 KB (9,191 words) - 19:55, 28 September 2024
Molecular diffusion, often simply called diffusion, is the thermal motion of all (liquid or gas) particles at temperatures above absolute zero. The rate...
16 KB (2,092 words) - 18:47, 21 September 2024
Passive transport (redirect from Passive diffusion)
transport are simple diffusion, facilitated diffusion, filtration, and/or osmosis. Passive transport follows Fick's first law. Diffusion is the net movement...
15 KB (1,776 words) - 08:15, 23 March 2024
The diffusion equation is a parabolic partial differential equation. In physics, it describes the macroscopic behavior of many micro-particles in Brownian...
8 KB (996 words) - 02:23, 20 July 2024
The convection–diffusion equation is a parabolic partial differential equation that combines the diffusion and convection (advection) equations. It describes...
20 KB (2,726 words) - 11:45, 13 September 2024
combustion, a diffusion flame is a flame in which the oxidizer and fuel are separated before burning. Contrary to its name, a diffusion flame involves...
5 KB (498 words) - 16:54, 26 December 2023
Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. They were...
10 KB (1,246 words) - 17:12, 23 June 2024
Reaction–diffusion systems are mathematical models that correspond to several physical phenomena. The most common is the change in space and time of the...
29 KB (3,601 words) - 12:23, 4 September 2024
In cryptography, confusion and diffusion are two properties of a secure cipher identified by Claude Shannon in his 1945 classified report A Mathematical...
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Diffusion current is a current in a semiconductor caused by the diffusion of charge carriers (electrons and/or electron holes). This is the current which...
11 KB (1,420 words) - 19:06, 21 September 2024
In fluid dynamics, eddy diffusion, eddy dispersion, or turbulent diffusion is a process by which fluid substances mix together due to eddy motion. These...
55 KB (7,936 words) - 09:47, 9 October 2024
and statistics, diffusion processes are a class of continuous-time Markov process with almost surely continuous sample paths. Diffusion process is stochastic...
2 KB (171 words) - 04:03, 9 October 2024
The Latent Diffusion Model (LDM) is a diffusion model architecture developed developed by the CompVis (Computer Vision & Learning) group at LMU Munich...
19 KB (2,181 words) - 14:30, 9 October 2024
Thermal diffusion may refer to: A thermal force on a gas due to a temperature gradient, also called thermal diffusion or Thermal transpiration. It is...
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A diffusion barrier is a thin layer (usually micrometres thick) of metal usually placed between two other metals. It is done to act as a barrier to protect...
5 KB (611 words) - 02:36, 11 January 2019
Mass diffusivity (redirect from Diffusion coefficient)
diffusivity or diffusion coefficient is usually written as the proportionality constant between the molar flux due to molecular diffusion and the negative...
14 KB (1,630 words) - 16:19, 6 June 2024
Look up diffusion in Wiktionary, the free dictionary. Diffusion is a time-dependent random process causing a spread in space. Diffusion may also refer...
3 KB (338 words) - 09:32, 12 December 2023
In cultural anthropology and cultural geography, cultural diffusion, as conceptualized by Leo Frobenius in his 1897/98 publication Der westafrikanische...
16 KB (2,092 words) - 22:29, 26 August 2024
Anomalous diffusion is a diffusion process with a non-linear relationship between the mean squared displacement (MSD), ⟨ r 2 ( τ ) ⟩ {\displaystyle \langle...
17 KB (1,937 words) - 18:46, 25 August 2024
In electrochemistry, the diffusion layer, according to IUPAC, is defined as the "region in the vicinity of an electrode where the concentrations are different...
2 KB (287 words) - 19:04, 21 September 2024
Turing pattern (redirect from Turing reaction–diffusion system)
turn arises due to the interplay between differential diffusion (i.e., different values of diffusion coefficients) of chemical species and chemical reaction...
19 KB (2,136 words) - 11:39, 11 June 2024
Demic diffusion, as opposed to trans-cultural diffusion, is a demographic term referring to a migratory model, developed by Luigi Luca Cavalli-Sforza...
5 KB (556 words) - 03:05, 15 September 2024
Jump diffusion is a stochastic process that involves jumps and diffusion. It has important applications in magnetic reconnection, coronal mass ejections...
5 KB (603 words) - 22:40, 6 September 2024
Diffusion bonding or diffusion welding is a solid-state welding technique used in metalworking, capable of joining similar and dissimilar metals. It operates...
13 KB (1,724 words) - 15:21, 27 August 2024