homogeneous nucleation

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• Nucleation — Not to be confused with Microtubule nucleation . Nucleation is the extremely localized budding of a distinct thermodynamic phase. Some examples of phases that may form via nucleation in liquids are gaseous bubbles, crystals or glassy regions.… …   Wikipedia

• nucleation — See nucleate. * * * ▪ crystallography       the initial process that occurs in the formation of a crystal from a solution, a liquid, or a vapour, in which a small number of ions, atoms, or molecules become arranged in a pattern characteristic of… …   Universalium

• nucleation — Process of forming a nidus (4). heterogeneous n. n. about a nidus composed of material other than that precipitating. homogeneous n. n. about a nidus composed of material identical with that precipitating. * * * nu·cle·a·tion .n(y)ü klē ā shən …   Medical dictionary

• Crystallization — Crystallizing and Crystallized redirect here. For the action adventure video game, see Crystalis. For the 2009 song by The xx, see Crystalised. For other uses, see Crystallization (disambiguation). Crystallization …   Wikipedia

• Crystallization (engineering aspects) — In chemical engineering crystallization occurs in a crystallizer. Crystallization is a unit operation through which a chemical compound, dissolved in a given solvent, precipitates under certain conditions to allow successive separation between… …   Wikipedia

• Dislocation — For the syntactic operation, see Dislocation (syntax). For the medical term, see Joint dislocation. In materials science, a dislocation is a crystallographic defect, or irregularity, within a crystal structure. The presence of dislocations… …   Wikipedia

• Freezing — For freezing as a method of food preservation, see frozen food. For a TV series of the same name, see Freezing (TV series). For freezing in terms of computers, see hang (computing) In physics and chemistry, freezing is the process whereby a… …   Wikipedia

• Supercooling — is the process of chilling a liquid below its freezing point, without it becoming solid.A liquid below its freezing point will crystallize in the presence of a seed crystal or nucleus around which a crystal structure can form. However, lacking… …   Wikipedia

• Polyaniline — (PANI) is a conducting polymer of the semi flexible rod polymer family. Although it was discovered over 150 years ago, only recently has polyaniline captured the attention of the scientific community due to the discovery of its high electrical… …   Wikipedia

• Colloidal crystal — A colloidal crystal is an ordered array of colloid particles, analogous to a standard crystal whose repeating subunits are atoms or molecules.[1] A natural example of this phenomenon can be found in the gem opal, where spheres of silica assume a… …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium