diffusion screen - определение. Что такое diffusion screen
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Что (кто) такое diffusion screen - определение

Bohm-diffusion; Bohm Diffusion
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Diffusion bonding         
  • Animation of the Diffusion Welding process
  • Animation of sheet forming process using diffusion welding (see also [[hydroforming]]).
  • Animation of Diffusion Bonding Process
Diffusion bonding or diffusion welding is a solid-state welding technique used in metalworking, capable of joining similar and dissimilar metals. It operates on the principle of solid-state diffusion, wherein the atoms of two solid, metallic surfaces intersperse themselves over time.
Diffusion map         
DIMENSIONAL REDUCTION ALGORITHM
Diffusion maps
Diffusion maps is a dimensionality reduction or feature extraction algorithm introduced by Coifman and Lafon which computes a family of embeddings of a data set into Euclidean space (often low-dimensional) whose coordinates can be computed from the eigenvectors and eigenvalues of a diffusion operator on the data. The Euclidean distance between points in the embedded space is equal to the "diffusion distance" between probability distributions centered at those points.
Reaction–diffusion system         
TYPE OF MATHEMATICAL MODEL
Reaction diffusion; Reaction-diffusion equation; Reaction diffusion equation; Reaction diffusion system; Reaction-diffusion system; Reaction-diffusion model; Reaction diffusion model; Reaction-diffusion; Reaction–diffusion; Turing instability; Reaction–diffusion equations; Reaction–diffusion equation; Reaction-diffusion equations; Newell-Whitehead-Segel equation; Reaction-diffusion systems; Reaction–diffusion systems; Reaction Diffusion; Kolmogorov-Petrovsky-Piskounov equation; Reaction-diffusion mechanism; Gray–Scott model; Gray-Scott model; Zeldovich equation; Barkley model; Diffusion-driven instability; Newell–Whitehead–Segel equation
Reaction–diffusion systems are mathematical models which correspond to several physical phenomena. The most common is the change in space and time of the concentration of one or more chemical substances: local chemical reactions in which the substances are transformed into each other, and diffusion which causes the substances to spread out over a surface in space.
Anisotropic diffusion         
IMAGE NOISE REDUCING TECHNIQUE
Anisotropic Diffusion; Anisotropic smoothing; Difusión Anisotrópica; Applications of anisotropic diffusion; Diffusion-based image processing
In image processing and computer vision, anisotropic diffusion, also called Perona–Malik diffusion, is a technique aiming at reducing image noise without removing significant parts of the image content, typically edges, lines or other details that are important for the interpretation of the image. Anisotropic diffusion resembles the process that creates a scale space, where an image generates a parameterized family of successively more and more blurred images based on a diffusion process.
Diffusion-limited aggregation         
  • Growing Brownian tree
Diffusion-limited aggregation (DLA) is the process whereby particles undergoing a random walk due to Brownian motion cluster together to form aggregates of such particles. This theory, proposed by T.
Screen (sports)         
  • Isaiah Hicks screens [[Jarell Martin]] and [[Marcus Lee]] for Chris Walker at the [[2013 McDonald's All-American Boys Game]].
BLOCKING MOVE BY AN OFFENSIVE PLAYER IN TEAM SPORTS
Screen (basketball); Pick (basketball); Set a screen; Screen-setter; Moving screen; Illegal screen
A screen is a blocking move by an offensive player in which they stand beside or behind a defender in order to free a teammate to either shoot a pass or drive in to score. In basketball and field lacrosse, it is also known as a pick.
rood loft         
  • Usual location of a rood screen
  • St Albans Abbey]]
  • Rood and beam of 1275, but no screen, at [[Öja Church]] on the island of [[Gotland]] in Sweden, where many exceptional roods have survived.
  • alt=
  • St. Helen's church, Ranworth]], Norfolk
  • Crucifixion atop Rood Screen, Anglo-Catholic [[Church of the Good Shepherd (Rosemont, Pennsylvania)]]
  • ambo]]s, left and right.
  • alt=
PARTITION BETWEEN THE CHANCEL AND NAVE FOUND IN MEDIEVAL CHURCH ARCHITECTURE
Altar-screen; Rood loft; Rood Screen; Screen, Altar; Chancel screen; Choir screen; Choir Screen; Rood beam; Choir-screen; Roodscreen; Rood-beam; Jubé; Rood-screen; Rude screen; Painted rood screen; Rood-loft; Chancel-screen
¦ noun a gallery on top of a rood screen.
rood screen         
  • Usual location of a rood screen
  • St Albans Abbey]]
  • Rood and beam of 1275, but no screen, at [[Öja Church]] on the island of [[Gotland]] in Sweden, where many exceptional roods have survived.
  • alt=
  • St. Helen's church, Ranworth]], Norfolk
  • Crucifixion atop Rood Screen, Anglo-Catholic [[Church of the Good Shepherd (Rosemont, Pennsylvania)]]
  • ambo]]s, left and right.
  • alt=
PARTITION BETWEEN THE CHANCEL AND NAVE FOUND IN MEDIEVAL CHURCH ARCHITECTURE
Altar-screen; Rood loft; Rood Screen; Screen, Altar; Chancel screen; Choir screen; Choir Screen; Rood beam; Choir-screen; Roodscreen; Rood-beam; Jubé; Rood-screen; Rude screen; Painted rood screen; Rood-loft; Chancel-screen
¦ noun a screen of wood or stone separating the nave from the chancel of a church.
Projection screen         
  • [[Inflatable movie screen]]
  • An [[overhead projector]] projecting onto a pull-down screen
WHITE SCREEN FOR PROJECTING
Projection Screen; Screen gain; Gain (screen); Projector screen; Screened; Projection screens; Movie screen; Screen mirroring; Screen Mirroring
A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience. Projection screens may be permanently installed, as in a movie theater; painted on the wall;Acrylic paint used to make a movie screen on the wall (see screen goo) or portable with tripod or floor rising models as in a conference room or other non-dedicated viewing space.
Rood screen         
  • Usual location of a rood screen
  • St Albans Abbey]]
  • Rood and beam of 1275, but no screen, at [[Öja Church]] on the island of [[Gotland]] in Sweden, where many exceptional roods have survived.
  • alt=
  • St. Helen's church, Ranworth]], Norfolk
  • Crucifixion atop Rood Screen, Anglo-Catholic [[Church of the Good Shepherd (Rosemont, Pennsylvania)]]
  • ambo]]s, left and right.
  • alt=
PARTITION BETWEEN THE CHANCEL AND NAVE FOUND IN MEDIEVAL CHURCH ARCHITECTURE
Altar-screen; Rood loft; Rood Screen; Screen, Altar; Chancel screen; Choir screen; Choir Screen; Rood beam; Choir-screen; Roodscreen; Rood-beam; Jubé; Rood-screen; Rude screen; Painted rood screen; Rood-loft; Chancel-screen
The rood screen (also choir screen, chancel screen, or jubé) is a common feature in late medieval church architecture. It is typically an ornate partition between the chancel and nave, of more or less open tracery constructed of wood, stone, or wrought iron.

Википедия

Bohm diffusion

The diffusion of plasma across a magnetic field was conjectured to follow the Bohm diffusion scaling as indicated from the early plasma experiments of very lossy machines. This predicted that the rate of diffusion was linear with temperature and inversely linear with the strength of the confining magnetic field.

The rate predicted by Bohm diffusion is much higher than the rate predicted by classical diffusion, which develops from a random walk within the plasma. The classical model scaled inversely with the square of the magnetic field. If the classical model is correct, small increases in the field lead to much longer confinement times. If the Bohm model is correct, magnetically confined fusion would not be practical.

Early fusion energy machines appeared to behave according to Bohm's model, and by the 1960s there was a significant stagnation within the field. The introduction of the tokamak in 1968 was the first evidence that the Bohm model did not hold for all machines. Bohm predicts rates that are too fast for these machines, and classical too slow; studying these machines has led to the neoclassical diffusion concept.