Color Theory
Mostrando 13-24 de 51 artigos, teses e dissertações.
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13. O tratamento lexicográfico de vocábulos de cores na perspectiva da semântica cognitiva
Color definitions in Portuguese semasiological dictionaries are subject to much criticism. The analysis of color entries in AuE (2004), HouE (2001), MiE (2001), and AnMS (1813) revealed that none of these dictionaries have satisfactory entries when it comes to elucidating the meaning of colors. Moreover, it was observed that color definitions are quite simil
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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14. Belos , sadios e normais: as representações sociais dos corpos infantis modernos na revista pais &filhos (1968-1977)
This study analyzes the social representations of children s bodies in the journal Pais &Filhos (Parents &Children) in the period from 1968 to 1977, when the publication considered itself a carrier of modern knowledge concerning care and education of children. It assumes the observation that since modernity children has been revealed by a number of experts,
Publicado em: 2010
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15. Vulnerabilidade de mulheres interioranas soropositivas à infecção pelo HIV/AIDS.
The Acquired Immunologic Deficiency Syndrome (AIDS) initially was considered masculine phenomenon, since the men who made sex with men (HSH) represented the category of dominant exposition. Currently the expansion between women constitutes important aspect of the epidemiologist transition. This study looks forwavato analyze the vulnerability of provincial wo
Publicado em: 2009
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16. Síntese e caracterização estrutural, morfológica e óptica de partículas de PbCrO4 e Pb2CrO5 e sua dispersão em SiO2 / Synthesis and structural, morphological and optical characterization of PbCrO4 and Pb2CrO5 particles and its dispersion in SiO2
In this work, the synthesis of particles from the PbO-CrO3 system, in particular the PbCrO4 and Pb2CrO5 compositions were accomplished, by a polymeric precursor method, evaluating its application as pigments. In order to eliminate the negative toxic aspect of these materials, the dispersion of the same in SiO2 was achieved, by the sol-gel method. The samples
Publicado em: 2009
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17. Padrões de distribuição geográfica de linhagens intra-específicas e processos demográficos históricos em aves da floresta atlântica / Patterns of geographical distribution of intraspecific lineages and historical demography of Atlantic forest birds
This dissertation explores the evolution of Atlantic Forest (AF) organisms. Specifically, we used endemic forest birds as models and a phylogenetic phylogeographic perspective. Studied bird species are all passerines: Xiphorhynchus fuscus (Dendrocolaptidae), Dendrocolaptes platyrostris (Dendrocolaptidae) and Schiffornis virescens (Tytyridae). We used mitocho
Publicado em: 2009
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18. Retratos, imagens, letras e numeros colados nas paredes:representaçãoes sociais de escola para ribeirinhos dos rios Môa e Azul - Acre
Remote Communities. Absence of artifacts and minimization of the exacerbated consumption of modernity. The desire which spread beyond what reality can provide. Expressions like this are present in this paper which focus in the social representations of school built by residents who live at the riversides of Môa and Azul Rivers, in Mâncio Lima, Acre State.
Publicado em: 2008
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19. Comportamento do consumidor de alimentos orgÃnicos na cidade de UberlÃndia: um estudo com base na cadeia de meios e fins
The national and international organic market has been showing an expressive rising over the last ten years. It justifies the increasing in the Brazilian agricultural areas that are dedicated to the organic production system, and consequently of the channel members that conduct these products to the final consumer. This environment highlights the importance
Publicado em: 2008
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20. The infrared behavior of the gluon and ghost propagators in SU(2) Yang-Mills theory in the maximal abelian gauge
We report on some recent analytical results on the behaviour of the gluon and ghost propagators in Euclidean SU(2) Yang-Mills theory quantized in the maximal Abelian gauge (MAG). This gauge is of particular interest for the dual superconductivity picture to explain color confinement. Two kinds of effects are taken into account: those arising from a treatment
Brazilian Journal of Physics. Publicado em: 2007-07
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21. On the Faddeev-Popov operator eigenspectrum in topological background fields
During the last years significant progress has been made in the understanding of the confinement of quarks and gluons. However, this progress has been made in two directions, which are at first sight very different. On the one hand, topological configurations seem to play an important role in the formation of the static quark-anti-quark potential. On the oth
Brazilian Journal of Physics. Publicado em: 2007-07
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22. On the infrared behavior of Green's functions in Yang-Mills theory
Non-perturbative properties of QCD, such as color confinement, are encoded in the infrared behavior of correlation functions, e.g. propagators and vertices. Various analytic predictions have been suggested for these quantities in various gauges. Here we numerically test these predictions using lattice gauge theory. In particular, we present results for the 2
Brazilian Journal of Physics. Publicado em: 2007-03
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23. Connecting an effective model of confinement and chiral symmetry to lattice QCD
We construct an effective model for the chiral field and the Polyakov loop in which we can investigate the interplay between the approximate chiral symmetry restoration and the deconfinement of color in a thermal SU(3) gauge theory with three flavors of massive quarks. The phenomenological couplings between these two sectors can then be related to the recent
Brazilian Journal of Physics. Publicado em: 2007-03
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24. Confinement by design?
The configuration space of SU(N) gauge theory is restricted to orbits with vanishing Polyakov loops of non-trivial N-ality. A practical method of constraining to this orbit space C0 is found by implementing a certain axial-type gauge. It is shown that the representative of an orbit in C0 is unique in this gauge up to time independent Abelian gauge transforma
Brazilian Journal of Physics. Publicado em: 2007-03