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
Boundary value problem — In mathematics, in the field of differential equations, a boundary value problem is a differential equation together with a set of additional restraints, called the boundary conditions. A solution to a boundary value problem is a solution to the… … Wikipedia
Température virtuelle — La température virtuelle Tv est la température qu aurait de l air sec qui posséderait la même masse volumique et la même pression que l air humide. L air atmosphérique est de l air humide : il est composé d air sec ainsi que de vapeur d eau … Wikipédia en Français
boundary ecosystem — ▪ biology Introduction complex of living organisms in areas where one body of water meets another, e.g., estuaries and lagoons, or where a body of water meets the land, e.g., marshes. The latter are often called wetlands. Boundary… … Universalium
Boundary lubrication — Brief description of lubricationLubrication is the process, or technique employed to reduce wear of one or both surfaces in relative motion to one another by interposing a substance called lubricant between the surfaces to carry or to help carry… … Wikipedia
boundary-layer drag — A drag associated with losses of total pressure and total temperature in the boundary layers. It is the sum of the boundary layer normal pressure drag and the surface friction … Aviation dictionary
boundary fishery — a fishery that is carried out at the boundary of some oceanographic feature such as a change in temperature or edge of a current … Dictionary of ichthyology
boundary current — a large scale mass of water in the upper ocean that separates water masses. Driven by a combination of wind, temperature and coriolis effects … Dictionary of ichthyology
Orders of magnitude (temperature) — Temperature in °C compared to the thermodynamic scale in electron volts, which are also used as a unit of temperature. List of orders of magnitude for temperature Factor Multiple Item 10−∞ 0 K … Wikipedia
Sea surface temperature — Weekly average sea surface temperature for the World Ocean during the first week of February 2011, during a period of La Niña … Wikipedia
Elliptic boundary value problem — In mathematics, an elliptic boundary value problem is a special kind of boundary value problem which can be thought of as the stable state of an evolution problem. For example, the Dirichlet problem for the Laplacian gives the eventual… … Wikipedia