shell radius

См. также в других словарях:

• Radius volva — Weaver Weav er, n. 1. One who weaves, or whose occupation is to weave. Weavers of linen. P. Plowman. [1913 Webster] 2. (Zo[ o]l.) A weaver bird. [1913 Webster] 3. (Zo[ o]l.) An aquatic beetle of the genus {Gyrinus}. See {Whirling}. [1913 Webster] …   The Collaborative International Dictionary of English

• Shell integration — (the shell method in integral calculus) is a means of calculating the volume of a solid of revolution, when integrating along an axis perpendicular to the axis of revolution.It makes use of the so called representative cylinder . Intuitively… …   Wikipedia

• Shell theorem — In classical mechanics, the shell theorem gives gravitational simplifications that can be applied to objects inside or outside a spherically symmetrical body. This theorem has particular application to astronomy. Isaac Newton proved the shell… …   Wikipedia

• Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …   Wikipedia

• Shell model — In nuclear physics, the nuclear shell model is a model of the atomic nucleus which uses the Pauli principle to describe the structure of the nucleus in terms of energy levels. The model was developed in 1949 following independent work by several… …   Wikipedia

• Radius of gyration — Gyration Gy*ra tion (j[ i]*r[=a] sh[u^]n), n. 1. The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution. [1913 Webster] The gyrations of an ascending balloon. De Quincey.… …   The Collaborative International Dictionary of English

• Atomic radius — Diagram of a helium atom, showing the electron probability density as shades of gray. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the… …   Wikipedia

• Covalent radius of fluorine — The covalent radius of fluorine is a measure of the size of a fluorine atom; it is approximated at about 60 picometres. Since fluorine is a relatively small atom with a large electronegativity, its covalent radius is difficult to evaluate. The… …   Wikipedia

• Nuclear shell model — In nuclear physics and nuclear chemistry, the nuclear shell model is a model of the atomic nucleus which uses the Pauli exclusion principle to describe the structure of the nucleus in terms of energy levels.[1] The first shell model was proposed… …   Wikipedia

• L-shell — The L shell, L value, or McIlwain L parameter (after Carl McIlwain) is a parameter describing a particular set of planetary magnetic field lines. Colloquially, L value often describes the set of magnetic field lines which cross the Earth s… …   Wikipedia

• Shuttle shell — Shuttle Shut tle, n. [Also shittle, OE. schitel, scytyl, schetyl; cf. OE. schitel a bolt of a door, AS. scyttes; all from AS. sce[ o]tan to shoot; akin to Dan. skyttel, skytte, shuttle, dial. Sw. skyttel, sk[ o]ttel. [root]159. See {Shoot}, and… …   The Collaborative International Dictionary of English