997 resultados para b-D-Galactopiranose


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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We study hadronic annihilation decays of B mesons within the perturbative QCD at collinear approximation. The regulation of endpoint divergences is performed with the help of an infrared finite gluon propagator characterized by a non-perturbative dynamical gluon mass. The divergences at twist-3 are regulated by a dynamical quark mass. Our results fit quite well the existent data of B 0→D s-K + and B 0→ D s-*K + for the expected range of dynamical gluon masses. We also make predictions for the rare decays B 0→K -K +, B s0→π -π +, π 0π 0, B +→D s(*) +K̄ 0, B 0→D s±(*)K ± and B s0 →D±(*) π ±, D 0π 0. © 2010 American Institute of Physics.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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We report measurements of charmed-hadron (D-0, D*) production cross sections at midrapidity in p + p collisions at a center-of-mass energy of 200 GeV by the STAR experiment. Charmed hadrons were reconstructed via the hadronic decays D-0 -> K- pi(+), D*(+) -> D-0 pi(+) -> K-pi(+)pi(+) and their charge conjugates, covering the p(T) range of 0.6-2.0 and 2.0-6.0 GeV/c for D-0 and D*(+), respectively. From this analysis, the charm-pair production cross section at midrapidity is d sigma/dy vertical bar(c (c) over bar)(y-0) = 170+/-45(stat)(-59)(+38()sys) mu b. The extracted charm-pair cross section is compared to perturbative QCD calculations. The transverse momentum differential cross section is found to be consistent with the upper bound of a fixed-order next-to-leading logarithm calculation.

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von dem Verf. des "hōrēb" [d.i. Samson Raphael Hirsch]

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"German Economy, Politics and Culture, 1900-1933. A Research Project of the International Institute of Social Research" (1940):; 1. Umriß des Forschungsprojekts, a) Fassung vom 29.7.1940, Typoskript, 55 Blatt, b)-d) Fassung vom 6.6.1940: b) Typoskript, 55 Blatt, c) Typoskript mit handschriftlichen Korrekturen, 60 Blatt, d) Typoskript, 60 Blatt;

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taʼlīf Jaʻfar al-Astarābādī.

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Contiene: Première partie: Administration des biens / par M. L.D.B.[Le Bègue de Presle]. 1789, XXIV, 541 p. - Seconde partie: Economie domestique / par M. L. B. D. P. [Le Bègue de Presle]. 1789, XXXIIV, 502 p., 2 lám. - Troisième partie, tome 1: Exploitation / par M. l'abbé de Lalauze. 1789, XVI, 488 p., 4 lám. - Troisième partie, tome 2: Exploitation des terres / par M. l'abbé de Lalauze. 1790, 2 h., 528 p., 2 lám. - Troisième partie, tome 3: Economie des champs / par M. l'abbé de Lalauze. 1791, 2 h., 540 p. - Troisième partie, tome 4: Economie des champs / par M. l'abbé de Lalauze..., 1792. 2 h., 390 p., 2 lám.

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"Life of the author": v. 1, p. [xxxix]-xlvi.

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The maps to accompany this work are to be found in J. B. B. d'Anville's Nouvel atlas de la Chine, de la Tartarie chinoise et du Thibet. La Haye, 1737. cf. Henri Cordier, Dict. bibl. des ouvrages relatifs à l'Empire chinois, 1881, t. l. p. 31.