polar model
21Gee Bee Model R — For the 1978 arcade game, see Gee Bee (arcade game). The Gee Bee Model R Super Sportster (also known as the GB Sportster), sometimes nicknamed The Flying Silo due to the short, fat fuselage resembling that type of farm storage building, was a… …
22Norwegian cyclone model — Norwegian cyclone and Shapiro Keyser model differences in frontal structure The older of the models of extratropical cyclone development is known as the Norwegian Cyclone Model, developed during and shortly after World War I within the Bergen… …
23Scaled Composites Model 281 — Scaled Composites Proteus Scaled Composites Proteus …
24Babcock Model — The Babcock Model describes a mechanism which can explain magnetic and sunspot patterns observed on the Sun.A modern understanding of sunspots starts with George Ellery Hale, in which magnetic fields and sunspots are linked. Hale suggested that… …
25tricellular model — the basis of the modern understanding of the general circulation of the atmosphere as it relates to the troposphere. Air rises at the equator due to convection and is forced to move to higher latitudes when it reaches the tropopause. Having… …
26Asymmetric induction — (also enantioinduction) in stereochemistry describes the preferential formation in a chemical reaction of one enantiomer or diastereoisomer over the other as a result of the influence of a chiral feature present in the substrate, reagent,… …
27Kingdom 5KR — Autres noms Nabila Trump Princess Type Yacht de luxe Histoire Lancement …
28Pole shift hypothesis — Polar Shift redirects here. For the Clive Cussler novel, see Polar Shift (novel). For the Antarctica benefit compilation, see Polar Shift (album). This article is about the hypothesis of pole shift in its historical context. For a description of… …
29Mathematics 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… …
30chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …
