linear retraction
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Median graph — The median of three vertices in a median graph In mathematics, and more specifically graph theory, a median graph is an undirected graph in which any three vertices a, b, and c have a unique median: a vertex m(a,b,c) that belongs to shortest… … Wikipedia
Cerebellopontine angle syndrome — Classification and external resources ICD 9 191.6 Neoplasms of brain: Cerebellum NOS: Cerebellopontine angle The cerebellopontine angle is the anatomic space between the cerebellum and the pons. This is a common site for the growth of acoustic… … Wikipedia
Tuberculosis radiology — Main article: Tuberculosis Radiology is used in the diagnosis of tuberculosis.Chest X rayA posterior anterior chest X ray is the standard view used; other views (lateral or lordotic) or CT scans may be necessary.In active pulmonary TB,… … Wikipedia
Maximal compact subgroup — In mathematics, a maximal compact subgroup K of a topological group G is a subgroup K that is a compact space, in the subspace topology, and maximal amongst such subgroups. Maximal compact subgroups play an important role in the classification of … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Gingiva — Gums redirects here. For other uses, see Gum (disambiguation). Gingiva Cross section of a tooth with visible gums, or gingiva Gray s … Wikipedia
Electromagnetic Aircraft Launch System — (EMALS) is a system under development by the United States Navy to launch aircraft from carriers using a linear motor drive instead of steam pistons used in conventional aircraft catapults. This technology has the advantage of gradually… … Wikipedia
Category (mathematics) — In mathematics, a category is an algebraic structure that comprises objects that are linked by arrows . A category has two basic properties: the ability to compose the arrows associatively and the existence of an identity arrow for each object. A … Wikipedia
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Rotary stage — A rotary stage is a component of a motion system used to restrict an object to a single axis of rotation. The terms rotary table or rotation stage are often used interchangeably with rotary stage. All rotary stages consists of a platform and a… … Wikipedia
Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes … Wikipedia
