surface radius

См. также в других словарях:

• Radius of curvature (optics) — Radius of curvature has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located in (x, y, z) either along or decentered from the system local optical axis. The vertex… …   Wikipedia

• Radius of curvature (applications) — The distance from the center of a sphere or ellipsoid to its surface is its radius. The equivalent surface radius that is described by radial distances at points along the body s surface is its radius of curvature (more formally, the radius of… …   Wikipedia

• Surface area — is the measure of how much exposed area an object has. It is expressed in square units. If an object has flat faces, its surface area can be calculated by adding together the areas of its faces. Even objects with smooth surfaces, such as spheres …   Wikipedia

• Radius of gyration — is the name of several related measures of the size of an object, a surface, or an ensemble of points. It is calculated as the root mean square distance of the objects parts from either its center of gravity or an axis.Applications in structural… …   Wikipedia

• radius vector — n. pl. radii vectores [vek tôr′ēz] or radius vectors 1. a straight line joining the origin of a vector, located at the intersection of two coordinates, to a given point lying in the same plane 2. a vector whose point of origin is fixed and whose… …   English World dictionary

• Surface tension — Sur face ten sion (Physics) That property, due to molecular forces, which exists in the surface film of all liquids and tends to bring the contained volume into a form having the least superficial area. The thickness of this film, amounting to… …   The Collaborative International Dictionary of English

• Surface gravity — The surface gravity, g , of an astronomical or other object is the gravitational acceleration experienced at its surface. The surface gravity may be thought of as the acceleration due to gravity experienced by a hypothetical test particle which… …   Wikipedia

• Radius (os) — Pour les articles homonymes, voir Radius. Pour le protocole informatique, voir Radius (informatique). Le radius est un os long qui forme le squelette de l avant bras. Le mot vient du latin radius, qui signifie rayon . Cet os va de l extérieur du… …   Wikipédia en Français

• radius — /ray dee euhs/, n., pl. radii / dee uy /, radiuses. 1. a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter. 2. the length of such a line. 3. any radial or… …   Universalium

• Surface of revolution — A surface of revolution is a surface created by rotating a curve lying on some plane (the generatrix) around a straight line (the axis of rotation) that lies on the same plane. Examples of surfaces generated by a straight line are the cylindrical …   Wikipedia

• Radius (bone) — Infobox Bone Name = Radius (joint) Latin = GraySubject = 52 GrayPage = 219 Caption = Upper extremity Caption2 = Radius is #1 Articulations = MeshName = Radius MeshNumber = A02.835.232.087.090.700 DorlandsPre = DorlandsSuf = The radius is the bone …   Wikipedia