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Meiotic abnormalities and spermatogenic parameters in severe oligoasthenozoospermia.
The incidence of meiotic abnormalities and their relationship with different spermatogenic parameters was assessed in 103 male patients with presumably idiopathic severe oligoasthenozoospermiaExpand
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Seroprevalence and risk factors associated with Helicobacter pylori infection in blood donors in Salvador, Northeast-Brazil.
Helicobacter pylori plays an important role in the etiology of peptic ulcer disease. Its prevalence appears to be higher in developing countries. We evaluated the seroprevalence of H. pylori and riskExpand
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Intermittent RES-E, cycling and spot prices: The role of pricing rules
Abstract Variable energy resources (VER) penetration increases the cycling operation of conventional thermal plants, inducing an operating costs increase. In some cases, due to its impact on O&MExpand
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Doses de potássio na lixiviação do solo com lodo de esgoto
Knowledge about the effects on the ionic balance in the soil solution is important, particularly with respect to residues rich in nitrogen applied with complementary fertilizers because nitrate canExpand
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AVALIAÇÃO DA FRAGILIDADE GEOSSISTÊMICA DE UMA MICROBACIA SOBRE GEOLOGIA CÁRSTICA: POTENCIAL E LIMITAÇÕES
The incorporation of the Multicriteria Decision-Making methodology from fuzzy logic to the environmental data model has allowed an arrangement mapping of environmental fragility (Ross, 1994) from theExpand
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Effect of potassium on the leaching of chemical species in a soil treated with sewage sludge
The objective of this research was to evaluate the potassium interference, used as supplementary fertilization, in the ions leaching, in a soil that was treated with alkalinized sewage sludge andExpand
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