quarter horse
quarter horse American breed of light horse that originated during the colonial era, partly from Arabian ancestry (see Arabian horse ). The name refers to the horse's reputation for speed at the quarter-mile distance. It can spring into full speed and consequently is faster than the Thoroughbred for a short sprint. The breed was by far the most popular cattle horse in the early West. It continues in this role today and is also used almost exclusively for rodeo events such as cutting, roping, and barrel racing. Registered quarter horses are of solid colors, stand 15 to 16 hands (60-64 in./150-160 cm) high, weigh over 1,000 lb (450 kg), and have thick muscular shoulders and short necks.
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Multi-component molecular orbital theory.(Brief article)(Book review)
Magazine article from: SciTech Book News; 6/1/2009; 479 words
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Molecular orbitals of transition metal complexes.(Brief Article)(Book Review)
Magazine article from: SciTech Book News; 9/1/2005; 493 words
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Orbital interaction theory of organic chemistry (second edition). (Frontier Orbitals).
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Magazine article from: SciTech Book News; 9/1/2005; 581 words
; ...Recent advances in relativistic molecular theory. Ed. by Kimihiko Hirao and...many-electron calculations of molecular properties will grow in importance...component quasi-relativistic molecular orbital theory; and four component...
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Localized-orbital locator (LOL) profiles of chemical bonding.(Report)
Magazine article from: Canadian Journal of Chemistry; 7/1/2008; ; 700+ words
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Polyester weatherability: coupling frontier molecular orbital calculations of oxidative stability with accelerated testing.(Technical Articles)
Magazine article from: The Journal of Coatings Technology; 8/1/1995; ; 700+ words
; ...contradictions with accepted theory, we focused our attention...we utilized frontier molecular orbital calculation (FMOC...This coupling of the molecular orbital calculations...polymer degradation theories and introduces the possibility of utilizing molecular orbital ...
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Research results from Xiamen University update knowledge of chemical theory and computation.
Newspaper article from: Chemicals & Chemistry; 2/6/2009; 700+ words
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Analysis: Letters from listeners
Transcript from: NPR All Things Considered; 3/14/2002; ; 700+ words
; ...conversation about including the theory of intelligent design of...Siegel dismissed evolutionary theory as just a theory. Does he...way about atomic theory, molecular orbital theory, the kinetic molecular theory of gases?' STAMBERG...
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Coming 'round to old views of benzene.
Magazine article from: Science News; 11/15/1986; 639 words
; ...introduced his valence bond theory of chemical combination...theory's concept of molecular orbitals introduced in the...resonance hybrid." Molecular orbital theory, which accounts...delocalized" electrons of molecular orbital theory are...
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Computational Chemistry Workbook: Learning Through Examples.(Report)
Newspaper article from: Science Letter; 10/6/2009; 700+ words
; ...examples transforming the theories into applications in...Covered: INTRODUCTION MOLECULAR COORDINATES AND SYMMETRY...SCHRODINGER EQUATION ATOMIC ORBITALS IONISATION POTENTIALS...AFFINITIES OF ATOMS HUCKEL MOLECULAR ORBITAL THEORY: STABILITY OF CONJUGATED...PI-SYSTEMS HUCKEL ...
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Molecular Orbital Theory
Book article from: Chemistry: Foundations and Applications
Molecular Orbital Theory The molecular orbital (MO) theory is a way of looking at the structure of a molecule by using molecular orbitals that belong to the molecule as a whole rather than to...
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molecular orbital theory
Book article from: The Columbia Encyclopedia, Sixth Edition
molecular orbital theory detailed explanation of how electrons...electron came from which atom. The molecular orbital theory, however, treats each...each molecule has its own allowed molecular orbitals. The orbitals give the probability...
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Molecular Geometry
Book article from: Chemistry: Foundations and Applications
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Molecular Modeling
Book article from: Chemistry: Foundations and Applications
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Computational Chemistry
Book article from: Chemistry: Foundations and Applications
...for his creation of molecular orbital theory and its use in the calculation...x2013; Oppenheimer and orbital approximations. Under...calculated. In the orbital approximation the electrons...occupy individual spin-orbitals, and as a consequence...trial wave function (a ...
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