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) - 12:16, 22 August 2024
In machine learning, diffusion models, also known as diffusion probabilistic models or score-based generative models, are a class of latent variable generative...
76 KB (13,072 words) - 05:35, 10 September 2024
Stable Diffusion is a deep learning, text-to-image model released in 2022 based on diffusion techniques. The generative artificial intelligence technology...
62 KB (5,776 words) - 04:15, 11 September 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
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...
56 KB (7,936 words) - 03:17, 20 July 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 convection–diffusion equation is a combination of the diffusion and convection (advection) equations, and describes physical phenomena where particles...
23 KB (3,123 words) - 12:26, 22 August 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) - 02:02, 17 July 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
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 (2,086 words) - 23:24, 29 April 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
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
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
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
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
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) - 03:23, 13 March 2024
In cryptography, confusion and diffusion are two properties of a secure cipher identified by Claude Shannon in his 1945 classified report A Mathematical...
12 KB (1,496 words) - 18:05, 29 July 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
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) - 08:28, 28 February 2024
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
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) - 19:19, 11 February 2023
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
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
A diffusion line (also known as a bridge line) is a secondary line of merchandise created by a high-end fashion house or fashion designer that retails...
15 KB (916 words) - 17:37, 4 September 2024
A diffusion gradient is a gradient in the rates of diffusion of multiple groups of molecules through a medium or substrate. The groups of molecules may...
1 KB (104 words) - 12:27, 1 October 2021
Diffusion hardening is a process used in manufacturing that increases the hardness of steels. In diffusion hardening, diffusion occurs between a steel...
4 KB (585 words) - 23:30, 10 June 2024
Diffusion maps is a dimensionality reduction or feature extraction algorithm introduced by Coifman and Lafon which computes a family of embeddings of...
19 KB (2,469 words) - 23:51, 22 March 2024
Heat equation (redirect from Particle diffusion)
u} In physics and engineering contexts, especially in the context of diffusion through a medium, it is more common to fix a Cartesian coordinate system...
58 KB (9,836 words) - 20:31, 23 August 2024