- boundary variation
- Математика: вариация границы (поверхности)
Универсальный англо-русский словарь. Академик.ру. 2011.
boundary variation
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Boundary layer — For the anatomical structure, see Boundary layer of uterus. Boundary layer visualization, showing transition from laminar to turbulent condition In physics and fluid mechanics, a boundary layer is that layer of fluid in the immediate vicinity of… … Wikipedia
Variation of parameters — In mathematics, variation of parameters, also known as variation of constants, is a general method to solve inhomogeneous linear ordinary differential equations. It was developed by Joseph Louis Lagrange[citation needed]. For first order… … Wikipedia
Variation compass — Compass Com pass (k[u^]m pas), n. [F. compas, fr. LL. compassus circle, prop., a stepping together; com + passus pace, step. See {Pace}, {Pass}.] 1. A passing round; circuit; circuitous course. [1913 Webster] They fetched a compass of seven day s … The Collaborative International Dictionary of English
Cross-boundary subsidies — are caused by organisms or materials that cross or traverse habitat patch boundaries, subsidizing the resident populations. The transferred organisms and materials may provide additional predators, prey, or nutrients to resident species, which… … Wikipedia
Cross-boundary subsidy — Alaskan boreal forest in Yukon National Wildlife Refuge Cross boundary subsidies are caused by organisms or materials that cross or traverse habitat patch boundaries, subsidizing the resident populations. The transferred organisms and materials… … Wikipedia
Planetary boundary layer — Depiction of where the planetary boundary layer lies on a sunny day The planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL), is the lowest part of the atmosphere and its behavior is directly influenced by its… … Wikipedia
Grain boundary strengthening — (or Hall Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size. It is based on the observation that grain boundaries impede dislocation movement and that the number of dislocations within a … Wikipedia
List of Greater London boundary changes — There have been a considerable number of small changes to the Greater London boundary since its creation in 1965. The most significant of these were the 1969 transfers of Knockholt to Kent and Farleigh to Surrey[1] and a series of minor… … Wikipedia
Gibbons-Hawking-York boundary term — In general relativity, the Gibbons Hawking York boundary term is a term that needs to be added to the Einstein Hilbert action when the underlying spacetime manifold has a boundary.The Einstein Hilbert action is the basis for the most elementary… … Wikipedia
Method of variation of parameters — In mathematics, variation of parameters also known as variation of constants, is a general method to solve inhomogeneous linear ordinary differential equations. It was developed by the Italian French mathematician Joseph Louis Lagrange.For first… … Wikipedia
geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… … Universalium
