4,246 research outputs found

    Biologia molecular aplicada aos recursos genéticos.

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    Este trabalho tem como objetivo descrever algumas das metodologias de biologia molecular utilizadas no Laboratório de Genética da Embrapa Amazônia Oriental (LABGEN) e Laboratório de Fitopatologia, visando à identificação, classificação e conservação de recursos genéticos, levando-se em consideração as peculiaridades observadas. É uma abordagem prática, sendo que os protocolos apresentados são passíveis de alteração pelo usuário, conforme as particularidades do seu trabalho e necessitam do máximo de critério para a execução

    Coleta, beneficiamento e biometria de frutos e sementes de Parinari montana Aubl. (Pajurá-da-mata).

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    Desempenho reprodutivo de vacas Nelore mantidas em pastagem nativa com suplementação na seca.

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    Produtividade e percentuais de folhas de gramineas forrageiras nos periodos seco e chuvoso.

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    Neste trabalho sao apresentados os resultados parciais da avaliacao de quatro genotipos de P. maximum (BRA 007102, Mombaca, Tanzania e Tobiata), B. decumbens cv. Basilisk e B. brizantha cv. Marandu, testados nos municipios de Teresina e Jerumenha, no Piaui, e Bacabal no Maranhao.bitstream/item/97621/1/PAND910001.pd

    Photospheric and chromospheric magnetic activity of seismic solar analogs. Observational inputs on the solar/stellar connection from Kepler and Hermes

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    We identify a set of 18 solar analogs among the seismic sample of solar-like stars observed by the Kepler satellite rotating between 10 and 40 days. This set is constructed using the asteroseismic stellar properties derived using either the global oscillation properties or the individual acoustic frequencies. We measure the magnetic activity properties of these stars using observations collected by the photometric Kepler satellite and by the ground-based, high-resolution Hermes spectrograph mounted on the Mercator telescope. The photospheric (Sph) and chromospheric (S index) magnetic activity levels of these seismic solar analogs are estimated and compared in relation to the solar activity. We show that the activity of the Sun is comparable to the activity of the seismic solar analogs, within the maximum-to-minimum temporal variations of the 11-year solar activity cycle 23. In agreement with previous studies, the youngest stars and fastest rotators in our sample are actually the most active. The activity of stars older than the Sun seems to not evolve much with age. Furthermore, the comparison of the photospheric, Sph, with the well-established chromospheric, S index, indicates that the Sph index can be used to provide a suitable magnetic activity proxy which can be easily estimated for a large number of stars from space photometric observations.Comment: Accepted for publication in A&

    Oral bacterial microflora associated with total acrylic dentures: implant supported vs mucus supported

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    Poster presented at the 1st International Congress of CiiEM - From Basic Sciences to Clinical Research. 27-28 November 2015, Egas Moniz, Caparica, Portugal
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