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Search Results: 1 - 10 of 665 matches for " Caio Fragata Torralvo "
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Vieses Comportamentais na Decis o de Investimentos: Um Estudo Empírico
Ricardo Goulart Serra,Marcela Monteiro Galeno,Eduardo Augusto do Rosário Contani,Caio Fragata Torralvo
Revista de Finan?as Aplicadas , 2010,
Abstract: O presente estudo visa explorar possíveis características dos indivíduos que diferenciem seu comportamento frente a decis es de investimento. Foi aplicado um questionário, baseado na Teoria do Prospecto de Kahneman e Tversky (1979), em quatro cursos de MBA de duas importantes institui es educacionais situadas em S o Paulo. Ao todo foram 206 questionários respondidos. A análise consistiu em aplicar o teste Qui-quadrado para verificar a significancia estatística do comportamento observado na amostra como um todo e também se os indivíduos com diferen a numa determinada característica apresentavam comportamentos distintos. Os resultados gerais obtidos est o alinhados com estudos anteriores aplicados no Brasil para alunos de gradua o. Adicionalmente, este estudo sugere que, embora n o exista diferen a significativa entre as características dos indivíduos e seus comportamentos, alguns aspectos tendem a atenuar os vieses comportamentais, principalmente a experiência profissional em gest o de recursos. Porém, outros aspectos, como forma o anterior e atual, revelam n o terem influência sobre o comportamento na tomada de decis o de investimento.
Desempenho anticorrosivo de esquemas de pintura com tintas primárias em pó pigmentadas com zinco
Fragata,Fernando de Loureiro; Ordine,Alberto Pires;
Corros?o e Protec??o de Materiais , 2009,
Abstract: this work shows the results of a study in which its aim was to evaluate the anticorrosive performance of paint systems, containing zinc dust pigmented powder primers and to compare such performance to the one presented by traditional paint systems containing zinc rich primers. the study concerned not only the accomplishment of tests with the paint systems, but also the individual evaluation of the primers pigmented with zinc dust powder. electrochemical and corrosion resistance tests were carried out under different conditions of exposure and aggressiveness.
Produtores de tomate para indústria: suas organiza??es e práticas para a promo??o da qualidade e do ambiente
Pinto,Alexandra; Fragata,António; Martins,Vitor;
Revista de Ciências Agrárias , 2008,
Abstract: the council regulation (ec) no 2200/96 for processed tomato producer organisations (po) and producer groups (pg), oriented their actions according to main objectives, like ?improvement of product quality? and ?promoting the use of cultivation practices, production techniques and environmentally sound waste-management practices in particular to protect the quality of water, soil and landscape and preserve and/or encourage biodiversity?. so, since the nineties, the processed tomato production has received subsidies to satisfy the exigencies of the common organization of the market in terms of quality, safety and traceability of the production contracted with the industry. an enquiry to the po and the pg was carried out with the goal to understand how the organized structures of processed tomato producers answer this challenge. the results show: a) the traceability is largely adopted; b) the increase of tomato?s brix degree and its control are not generalized; c) the extent of adherence to environmental practices is small. however, the results show that an important part of po adhered to exigent and innovating rules.
Produtores de tomate para indústria: suas organiza es e práticas para a promo o da qualidade e do ambiente Processed tomato producers: their organisations and measures to promote quality and environment
Alexandra Pinto,António Fragata,Vitor Martins
Revista de Ciências Agrárias , 2008,
Abstract: O Regulamento (CE) N.o 2200/96, que enquadra as organiza es (OP) e os agrupamentos de produtores (AP) de tomate de indústria, orienta as suas ac es em torno de grandes objectivos, entre os quais se contam a “melhoria da qualidade dos produtos” e a “promo o de práticas de cultivo, técnicas de produ o e de gest o de resíduos respeitadoras do ambiente”. Assim, desde meados da década de noventa, a produ o de tomate para transforma o recebe apoios para satisfazer as exigências da Organiza o Comum de Mercado em termos de qualidade, de seguran a e de rastreabilidade da matéria-prima contratada com a indústria. A fim de melhor compreender como as estruturas organizativas dos produtores de tomate para indústria procuram responder a estes desafios, realizou-se um inquérito às OP e aos AP. No universo das OP e AP, os resultados encontrados revelam, por um lado, que a rastreabilidade está largamente adoptada e, por outro lado, que o aumento do grau Brix e o seu controlo est o longe de estar generalizados e que as práticas respeitadoras do ambiente têm baixas taxas de adop o. Os resultados, no entanto, revelam também a existência de uma frac o importante de OP que se rege por regras exigentes e inovadoras. The Council Regulation (EC) No 2200/96 for processed tomato producer organisations (PO) and producer groups (PG), oriented their actions according to main objectives, like “improvement of product quality” and “promoting the use of cultivation practices, production techniques and environmentally sound waste-management practices in particular to protect the quality of water, soil and landscape and preserve and/or encourage biodiversity”. So, since the nineties, the processed tomato production has received subsidies to satisfy the exigencies of the Common Organization of the Market in terms of quality, safety and traceability of the production contracted with the industry. An enquiry to the PO and the PG was carried out with the goal to understand how the organized structures of processed tomato producers answer this challenge. The results show: a) the traceability is largely adopted; b) the increase of tomato‘s Brix degree and its control are not generalized; c) the extent of adherence to environmental practices is small. However, the results show that an important part of PO adhered to exigent and innovating rules.
Evolutionary Changes in the Complexity of the Tectum of Nontetrapods: A Cladistic Approach
Caio Maximino
PLOS ONE , 2008, DOI: 10.1371/journal.pone.0003582
Abstract: Background The tectum is a structure localized in the roof of the midbrain in vertebrates, and is taken to be highly conserved in evolution. The present article assessed three hypotheses concerning the evolution of lamination and citoarchitecture of the tectum of nontetrapod animals: 1) There is a significant degree of phylogenetic inertia in both traits studied (number of cellular layers and number of cell classes in tectum); 2) Both traits are positively correlated accross evolution after correction for phylogeny; and 3) Different developmental pathways should generate different patterns of lamination and cytoarchitecture. Methodology/Principal Findings The hypotheses were tested using analytical-computational tools for phylogenetic hypothesis testing. Both traits presented a considerably large phylogenetic signal and were positively associated. However, no difference was found between two clades classified as per the general developmental pathways of their brains. Conclusions/Significance The evidence amassed points to more variation in the tectum than would be expected by phylogeny in three species from the taxa analysed; this variation is not better explained by differences in the main course of development, as would be predicted by the developmental clade hypothesis. Those findings shed new light on the evolution of an functionally important structure in nontetrapods, the most basal radiations of vertebrates.
O problema da autoria na teoria literária: apagamentos, retomadas e revis?es
Gagliardi, Caio;
Estudos Avan?ados , 2010, DOI: 10.1590/S0103-40142010000200018
Abstract: the latest discussions about authorship are closely related to the searching for the meaning of the text. because of that, the authorship is being understood as one of the most controversial subjects in literature theory. the first two parts of this paper comprehend a critic and sistematic analysis of 1. the author refusal as source of the text meaning (proust, eliot, croce, wimsatt and beardsley, derrida, barthes and foucault), and 2. the defense and reviewing of this concept (booth, bloom, eco e compagnon). and in the last part, 3. it is proposed a particular hypothesis of analises and interpretation of the authorship, through a change of contexts: the recurrence to the heteronomy concept, by fernando pessoa.
Modulation of nociceptive-like behavior in zebrafish (Danio rerio) by environmental stressors
Maximino, Caio;
Psychology & Neuroscience , 2011, DOI: 10.3922/j.psns.2011.1.017
Abstract: zebrafish have been demonstrated to react consistently to noxious chemical stimuli and present reliable phenotypes of stress, fear, and anxiety. in this article, we describe the modulation of nociceptive-like responses of zebrafish to fear-, stress-, and anxiety-eliciting situations. animals were exposed to an alarm substance, confinement stress, or a novel environment before being injected with 1% acetic acid in the tail. the alarm substance and confinement stress reduced the display of erratic movements and tail-beating behavior elicited by acetic acid. the novelty of the environment, in contrast, increased the frequency of tail-beating behavior. the results suggest that descending modulatory control of nociception exists in zebrafish, with apparent fear- and stress-induced analgesia and anxiety-induced hyperalgesia.
Estudo de raios cósmicos utilizando uma camara de nuvens de baixo custo
Laganá, Caio;
Revista Brasileira de Ensino de Física , 2011, DOI: 10.1590/S1806-11172011000300002
Abstract: using images from cosmic rays interactions obtained with a low cost cloud chamber, the main observed phenomena in such an experiment are presented, discussed and classified.
água escondida
Caio Reisewitz
ARS (S?o Paulo) , 2011, DOI: 10.1590/s1678-53202011000100001
Abstract:
Considera es sobre a jurisprudencializa o do Direito
Caio Leal
Revista de Direito dos Monitores da Universidade Federal Fluminense , 2009,
Abstract: Este estudo procura analisar a jurisprudencializa o do direito à luz do preenchimento da inefetividade do legislador e do envelhecimento das codifica es, tomando a jurisprudência como fonte [criadora] do direito. Dentre as considera es, uma análise de caso e um passeio pelos campos da Teoria Geral do Direito, do Direito Constitucional e do Direito Penal.
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