24 resultados para Mexico. Armada.


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Pós-graduação em Engenharia Civil - FEIS

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

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The objective of the present work was to evaluate Pinus’ glued laminated timber (glulam) beams and steel reinforced glulam beams, using PU mono-component adhesive in lamination step and epoxy adhesive to bond steel bars. The mechanical performance was verified through bending test, and the adopted method based on homogenized section, to considerate the differences between wood and steel mechanical properties. The homogenization section method proved itself effective in obtaining the stiffness of the parts in MLCA. The stiffness of reinforced beams increased 91% in comparison with glulam beams, differing only 5.5 % from value of stiffness calculated

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The aim of this paper is to discuss the quality of fiscal policy in Brazil and Mexico and investigate whether fiscal policy influence is favorable to reduce the unemployment rate. Public spending, which has a positive effect on the level of employment when results in additional aggregate demand, may cause a negative effect on employment, if its financing depends on persistent high interest rates. Brazil and Mexico have engaged in a long effort to control public spending and to reduce the public deficit to zero. Does this policy bring a positive result to the economic activity no matter how actual public deficit has been financed? We select variables related to public budget as public sector borrowing requirements, taxes, public debt and others to form a data base. The fiscal institutional arrangement and the data allow us to evaluate the fiscal policy as a who leand to discuss the importance of credibility and reputation of the government.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Propolis has been used in folk medicine in different regions of the world including Latin America. Propolis is a resinous mixture of substances collected by honey bees from several botanical sources, and its composition contains a rich chemical variety, depending on the geographical area and plant sources. Our aim was to compare the modulatory effect of propolis samples from three different countries of Latin America (Brazil, Cuba and Mexico) on pro- and anti-inflammatory cytokine production (tumor necrosis factor (TNF)-α and interleukin (IL)-10, respectively) by human monocytes. Cells were incubated with propolis for 18 h at 37°C. Cell viability was assessed by 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide method, and cytokine production was determined by ELISA. All samples did not affect monocyte viability. Brazilian propolis stimulated both TNF-α and IL-10 production by monocytes. Cuban propolis stimulated TNF-α and inhibited IL-10 production, while Mexican sample exerted the opposite effect, inhibiting TNF-α and stimulating IL-10 production. The major compounds found in Brazilian, Cuban and Mexican propolis samples were artepillin C, isoflavonoids and pinocembrin, respectively. Brazilian, Cuban and Mexican propolis contained different components that may exert pro- and anti-inflammatory activity depending on concentration, what may provide a novel approach to the development of immunomodulatory drugs containing propolis.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)