vector-active structure

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• Structure formation — refers to a fundamental problem in physical cosmology. The universe, as is now known from observations of the cosmic microwave background radiation, began in a hot, dense, nearly uniform state approximately 13.7 Gyr ago. [cite journal |author=D.… …   Wikipedia

• Dope vector — In computer programming, a dope vector is a data structure used to hold information about a data object,[1] e.g. an array, especially its memory layout. A dope vector typically contains information about the type of array element, rank of an… …   Wikipedia

• Quantitative structure-activity relationship — (QSAR) is the process by which chemical structure is quantitatively correlated with a well defined process, such as biological activity or chemical reactivity.For example, biological activity can be expressed quantitatively as in the… …   Wikipedia

• Group ring — This page discusses the algebraic group ring of a discrete group; for the case of a topological group see group algebra, and for a general group see Group Hopf algebra. In algebra, a group ring is a free module and at the same time a ring,… …   Wikipedia

• Circular dichroism — (CD) refers to the differential absorption of left and right circularly polarized light.[1][2] This phenomenon was discovered by Jean Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century.[3] It is exhibited in… …   Wikipedia

• Ring (mathematics) — This article is about algebraic structures. For geometric rings, see Annulus (mathematics). For the set theory concept, see Ring of sets. Polynomials, represented here by curves, form a ring under addition and multiplication. In mathematics, a… …   Wikipedia

• Molecular graphics — (MG) is the discipline and philosophy of studying molecules and their properties through graphical representation.[1] IUPAC limits the definition to representations on a graphical display device .[2] Ever since Dalton s atoms and Kekulé s benzene …   Wikipedia

• protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …   Universalium

• Trypanosoma brucei — Taxobox color = khaki image width = 240px image caption = Trypanosoma brucei brucei TREU667 (Bloodstream form, phase contrast picture. Black bar indicates 10 µm.) name = Trypanosoma brucei regnum = Protista phylum = Euglenozoa classis =… …   Wikipedia

• Survivin — Survivin, also called Baculoviral IAP repeat containing 5 (BIRC5), is a human gene that is part of the inhibitor of apoptosis family (IAP). The survivin protein functions to inhibit caspase activation therefore leading to negative regulation of… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium