14,054 research outputs found

    Variedade de milho melhora renda e segurança alimentar de agricultores familiares.

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    bitstream/item/67266/1/Vmilho0001.pdfPublicado em: Boletim Pecuário; Grupo Cultivar; Webartigos.com; Portal do Agronegócio

    q-Deformed Kink Solutions

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    The q-deformed kink of the λϕ4\lambda\phi^4-model is obtained via the normalisable ground state eigenfunction of a fluctuation operator associated with the q-deformed hyperbolic functions. From such a bosonic zero-mode the q-deformed potential in 1+1 dimensions is found, and we show that the q-deformed kink solution is a kink displaced away from the origin.Comment: REvtex, 11 pages, 2 figures. Preprint CBPF-NF-005/03, site at http://www.cbpf.br. Revised version to appear in International Journal of Modern Physics

    On Matrix Superpotential and Three-Component Normal Modes

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    We consider the supersymmetric quantum mechanics (SUSY QM) with three- component normal modes for the Bogomol'nyi-Prasad-Sommerfield (BPS) states. An explicit form of the SUSY QM matrix superpotential is presented and the corresponding three-component bosonic zero-mode eigenfunction is investigated.Comment: 17 pages, no figure. Paper accepted for publication in Journal of Physics A: Mathematical and Theoretica

    Efeito de bioestimulantes na brotação e enraizamento de estacas do porta-enxerto SO 4 (Vitis berlandieri x Vitis riparia).

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    A melhor forma de reprodução da videira é a propagação vegetativa e, dentre as várias formas, a prática mais comum atualmente é a estaquia, que é o método de propagação pelo enraizamento de estacas
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