968 resultados para Posicionamento dos apoios


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Our aim is to present a modification in patient placement on surgical table for the treatment of prolapsed hemorrhoids by using PPH technique. We propose a modified jackknife position for PPH procedure where the surgeon stays between patient's legs. The modified jackknife position may provide better surgical field with better view of the dentate line which facilitates pursestring confection. In Brazil, the majority of the surgeons prefer lithotomic position for PPH technique based on Longo's first reports. In our opinion, modified jackknife position provides both better surgical field for pursestring placement and better view of the staple line after PPH firing.

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The efficiency of monitoring fertigation by means of porous capsule extractors is directly related to its correct placement, since the nutrients applied through fertigation have different mobility throughout the soil profile. The objective of this study was to evaluate the distributions of NO3, P, and K in the soil solution, when applied in citrus in sandy soil through drip fertigation systems, aiming to define the proper placement of the solution extractors. In order to measure the concentration of ions in the soil solution, the extractors were installed at four different distances (5, 15, 25, and 35 cm) and depths (15, 30, 60, and 90 cm) with an emitter located under the projection of the tree canopy. The experiment was conducted in a Valencia orange orchard on citrumelo Swingle rootstock, in Reginópolis/SP. The experimental design was randomized blocks and the treatment arrangement was a 4 x 4 factorial design with five repetitions. Sixteen soil solution extractors were installed per block, with a total of 80 extractors in the experiment. According to the obtained results, to determine P and K, it is recommended to install the solution extractor at 15 cm horizontal and 30 cm depth from the emitter. For NO3, the extractor recommended placement is 25 cm horizontal and 30 cm depth. The soil solution extractor proved to be a sensitive tool, capable of determining the ions mobility in the wet bulb.

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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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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Ciências Cartográficas - FCT

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Pós-graduação em Ciências Cartográficas - FCT

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Agronomia (Irrigação e Drenagem) - FCA

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Pós-graduação em Letras - IBILCE