The Collaborative International Dictionary of English. 2000.
Alpha particle — Alpha particles (named after and denoted by the first letter in the Greek alphabet, α) consist of two protons and two neutrons bound together into a particle identical to a helium nucleus; hence, it can be written as He2+ or 42He2+. They are a… … Wikipedia
Alpha Phi Alpha — Infobox Fraternity letters = ΑΦΑ name = Alpha Phi Alpha crest = founded = Birth date and age|mf=yes|1906|12|4 birthplace = Cornell University flagicon|USA type = Social mission = Alpha Phi Alpha Fraternity, Inc. develops leaders, promotes… … Wikipedia
Alpha compositing — This image s alpha channel falls off to zero at its base. A checkered backdrop is often used to signal transparency. In computer graphics, alpha compositing is the process of combining an image with a background to create the appearance of… … Wikipedia
Paper Rad — Jessica Ciocci, and Ben Jones.Although they continue to publish their own zines, music, and online content, Paper Rad have shown at several major galleries including Pace Wildenstein, The New Museum of Contemporary Art, and Deitch Projects. They… … Wikipedia
Alpha helix — A common motif in the secondary structure of proteins, the alpha helix (α helix) is a right handed coiled conformation, resembling a spring, in which every backbone N H group donates a hydrogen bond to the backbone C=O group of the amino acid… … Wikipedia
Alpha decay — 2 less. For example:(The second form is preferred because the first form appears electrically unbalanced. Fundamentally, the recoiling nucleus is very quickly stripped of two electrons to neutralize the ionized helium cation.)An alpha particle is … Wikipedia
Paper Trail — This article is about the album. For a definition of the word paper trail , see the Wiktionary entry paper trail. Paper Trail … Wikipedia
Alpha particle — A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from their radioactive source. They cannot pass through a piece of paper, clothes or even the layer of dead cells which normally protects the … Medical dictionary
Alpha,alpha-trehalose — Tréhalose Tréhalose Tréhalose : (I) : modèle éclaté en 3D ; (II) : formule en chaise Général … Wikipédia en Français
DEC Alpha — Alpha Designer Digital Equipment Corporation Bits 64 bit Introduced 1992 Design RISC Type Register Register Encoding Fixed … Wikipedia
