Martín Aznar

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High levels of reproductive failure were detected in some Spanish sow farms in the Spring of 2010. Regular returns to estrus and variable reductions in litter size were observed. The problem started suddenly and did not appear to be related to the quality of the ejaculates, disease, alterations of body condition or any other apparent reasons. Subsequent(More)
In this work, the phase equilibrium of binary mixtures for bioethanol production by continuous extractive process was studied. The process is composed of four interlinked units: fermentor, centrifuge, cell treatment unit, and flash vessel (ethanol-congener separation unit). A proposal for modeling the vapor-liquid equilibrium in binary mixtures found in the(More)
Abstract: A thermodynamic consistency test developed for high pressure binary vapor-liquid mixtures is applied to mixtures containing a supercritical solvent and an ionic liquid. Several authors have reported vapor-liquid equilibrium data on the binary systems supercritical CO2 + 1-butyl-3-methyl imidazolium hexafluorophosphate {[bmim][PF6]}, supercritical(More)
Although sugar cane bagasse is considered as a promising material for the production of second-generation ethanol, obtained through enzymatic hydrolysis and subsequent fermentation, the strong recalcitrance of its internal structures increases the production costs of this biofuel, requiring the application of pre-treatment and technological routes for its(More)
A FEQ, hoje aos seus 32 anos, se consolida como uma unidade de prestígio no meio acadêmico e lança hoje uma oportunidade de expor a sua qualidade em pesquisa e desenvolvimento. Os docentes podem se orgulhar do potencial de seus trabalhos. O ano de 2006 foi excepcionalmente produtivo, com mais de 75 teses de doutorado e dissertações de mestrado. Notável(More)
UNLABELLED Early detection of breast cancer is crucial for efficient and effective treatment. We have developed an instrument for positron emission mammography (PEM) called PEM-I that performs high-resolution metabolic imaging of breast cancer. Images of glucose metabolism are obtained after injection of 75 MBq FDG. The PEM detectors are integrated into a(More)
Prof. Dr. Martín Aznar Nesta edição do Boletim da FEQ, a descrição da produção científica vem complementada pela informação do fator de impacto (FI) da revista, calculado pelo Web of Science. O fator de impacto é importante porque ajuda o pesquisador a escolher o melhor veículo para divulgar sua pesquisa. Quanto maior o fator de impacto de um veículo, maior(More)
O presente número do Boletim da FEQ traz algumas modificações sutis na diagramação das páginas, com o objetivo de uniformizar as diferentes seções. Além disso, as informações acerca dos artigos publicados passam a incluir o ISSN da revista, bem como o Digital Object Identifier (DOI), para facilitar o acesso aos documentos e ajudar no preenchimento de(More)
New classes of acidic or basic ionic liquids (ILs) are gaining special attention, since the efficiency of many processes can be enhanced by the judicious manipulation of these properties. The absorption of sour gases can be enhanced by the basic character of the IL. The fluorination of the cation or the anion can also contribute to enhance the gas(More)