Correlações nos dfa de diversos perfis geológicos. estudo de caso: Bacia de Campos - RJ

This work aims to study the fluctuation structure of physical properties of oil well profiles. It was used as technique the analysis of fluctuations without trend (Detrended Fluctuation Analysis - DFA). It has been made part of the study 54 oil wells in the Campo de Namorado located in the Campos Basin in Rio de Janeiro. We studied five sections, namely: sonic, density, porosity, resistivity and gamma rays. For most of the profiles , DFA analysis was available in the literature, though the sonic perfile was estimated with the aid of a standard algorithm. The comparison between the exponents of DFA of the five profiles was performed using linear correlation of variables, so we had 10 comparisons of profiles. Our null hypothesis is that the values of DFA for the various physical properties are independent. The main result indicates that no refutation of the null hypothesis. That is, the fluctuations observed by DFA in the profiles do not have a universal character, that is, in general the quantities display a floating structure of their own. From the ten correlations studied only the profiles of density and sonic one showed a significant correlation (p> 0.05). Finally these results indicate that one should use the data from DFA with caution, because, in general, based on geological analysis DFA different profiles can lead to disparate conclusions

Correlações nos dfa de diversos perfis geológicos. estudo de caso: Bacia de Campos - RJ

This work aims to study the fluctuation structure of physical properties of oil well profiles. It was used as technique the analysis of fluctuations without trend (Detrended Fluctuation Analysis - DFA). It has been made part of the study 54 oil wells in the Campo de Namorado located in the Campos Basin in Rio de Janeiro. We studied five sections, namely: sonic, density, porosity, resistivity and gamma rays. For most of the profiles , DFA analysis was available in the literature, though the sonic perfile was estimated with the aid of a standard algorithm. The comparison between the exponents of DFA of the five profiles was performed using linear correlation of variables, so we had 10 comparisons of profiles. Our null hypothesis is that the values of DFA for the various physical properties are independent. The main result indicates that no refutation of the null hypothesis. That is, the fluctuations observed by DFA in the profiles do not have a universal character, that is, in general the quantities display a floating structure of their own. From the ten correlations studied only the profiles of density and sonic one showed a significant correlation (p> 0.05). Finally these results indicate that one should use the data from DFA with caution, because, in general, based on geological analysis DFA different profiles can lead to disparate conclusions

O comprometimento no trabalho e o significado do trabalho :um estudo com os funcionários do Banco do Nordeste do Brasil S/A

The current study analyses the relation between commitment (focusing on organization, career and syndicate) and the meaning of the work for 123 employees from a bank of mixed economy, crowed in agencies located in the Northeast capitals and also in four capitals out of this region: Belo Horizonte-MG, Brasília-DF, Rio de Janeiro-RJ and São Paulo-SP. It explores the commitment variability in the work of participants, as well as the score combination in foci, generating the commitment patterns, having used as an instrument a questionnaire consisting: a reduced version of OCQ Organizational Commitment Questionnaire (09 items), which measures the organizational commitment; the reduced Gordon s Scale (10 items), which measures the syndicate commitment; and the Blau s Scale, which measures the commitment to the career/occupation. It speculates, likewise, the meaning of work variability to the sample, seeking for the value attributes (what work should be), descriptive attributes (what work is) and its hierarchy, for which the ISMT-Inventário do Significado e Motivação no Trabalho has been applied; the work centrality, for which two specific inquires were used. The answers were registered in data at SPSS-Statically Package for Social for Windows, and from this point the statistical analyses were accomplished. Eight commitments to work patterns and six from the meaning of work were identified (Cluster analyses). The relation between both constructs was confirmed, corroborating other studies

Turismo e pobreza: percepções dos guias de turismo, moradores e não moradores que trabalham na favela da Rocinha Rio de Janeiro

This project refers to a study somewhat controversial , as in focusing less recognized and valued hand, although the dynamics of tourism pass to take another view , you can not beforehand consider favorable or unfavorable . Analyzes the phenomenon related to conception or perception of poverty from tourism residents and non residents of the Favela of Rocinha in Rio de Janeiro tourist guides . It is a subject to an object of research somewhat controversial , but about which there is already an academic and scientific concern and deserves an investigator look. Fits as a qualitative study whose methodological procedure based on interviews and participant observation , and the geographic divisions chosen the Rocinha slum , for its expressiveness and for being a pioneer in this type of tourism , had to conducting fieldwork lasting six months, which was accompanied by at least four hours walking work of sixteen tour guides, eight residents and eight non- residents in the community, working for different travel agencies and tourism. End of each tour, all tour guides answered a semi-structured questionnaire, containing nineteen questions. Most respondents tour guides authorized record interview, which has made it possible to analyze the speech through spoken language. In tourism, foreign tourists are the main target, although rarely also count with the participation of domestic tourists. Notes that the relationship between poverty and slums, from the perceptions of tourist guides residents better reflects the reality of favela residents compared with non residents guides, since they fully know all the intricacies and better the difficulties they have endured and still go, when it comes to the issue of stigmatization respect, by which has suffered by Brazilian society, in relation to live in slums, and have your dwelling place as a tourist attraction. While presenting the social reality of Rocinha consistently during his work, the non residents guides worry about being as natural as possible with tourists as much as the locals show slum, in the same way they avoid authorize tourists to take compromising photos and that will expose the intimacy of community residents . Concludes that, while recognizing the importance of elevation to the rank of tourist attraction and its promising prospects, requires attention and priority, given the greater precariousness of the human condition in relation to the prime areas in which it operates tourism should be a vector of development, not a masking of reality

Prevalência de alterações fundoscópicas em estudantes na cidade de Natal-Brasil

Objetivo: Determinar a prevalência de alterações fundoscópicas em estudantes de escolas das redes pública e privada de Natal-RN. Métodos: Avaliação oftalmológica foi realizada em 990 alunos, de 5 a 21 anos, matriculados nas escolas das redes públicas e privada do município de Natal-RN, que estiveram cursando alguma série do ensino fundamental ou médio, no período de 03 a 06 de 2001. Resultados: Alterações fundoscópicas foram observadas em 5,3% dos estudantes. As anormalidades encontradas, por ordem de freqüência, foram: branco sem pressão, 1,0%; cicatriz de retinocoroidite sugestiva de toxoplasmose, 1,0%; atrofia do epitélio pigmentado da retina, 0,8%; nevos da coróide, 0,4%; escavação da cabeça do nervo óptico aumentada, 0,4%; degeneração em treliça, 0,3%; buraco operculado, 0,2%; fundus miópico, 0,2%; tortuosidade vascular aumentada, 0,2%; granuloma sugestivo de toxocaríase, 0,2%; hipoplasia da cabeça do nervo óptico, 0,1%; persistência da artéria hialoidea, 0,1%; persistência de fibras de mielina, 0,1%; retina sal e pimenta, 0,1%; retinosquise, 0,1%. Conclusão: Houve uma baixa prevalência de alterações fundoscópicas na população estudada

Aproximações teóricas sobre a questão ambiental internacional na sociedade global: de estocolmo 1972 ao rio de janeiro 2012

O artigo apresenta os principais elementos que compõem a questão ambiental na sociedade global, através de sua relação entre economia, meio ambiente e política internacional. A primeira parte expõe o debate ambiental no contexto internacional, enfocando-o a partir dos anos 1960, período em que os problemas ambientais surgem com mais intensidade e com eles os protestos sociais nos países centrais. Os encontros sobre política ambiental internacional foram realizados com mais frequência nos anos setenta como a conferência internacional sobre meio ambiente, a primeira chancelada pela ONU em Estocolmo, 1972. Nas décadas de 1970/1980 as autoridades governamentais reconheceram a urgência na resolução da crise ambiental e passaram a traçar estratégias para a mitigação e contenção da crise. A década de 1990 é marcada pela Conferência Rio 1992, que lançou o desenvolvimento sustentável, o qual recomenda que as gerações presentes devem se reproduzir sem comprometer a capacidade de reprodução das gerações futuras. Os encaminhamentos da terceira conferência internacional sobre meio ambiente (Johanesburgo, 2002) condicionaram a questão ambiental à necessidade da formulação de leis ambientais por parte dos Estados Nacionais e instrumentos económicos de gestão ambiental. Na Rio + 20, o tema central foi a economia verde, que surge como alternativa ao desenvolvimento sustentável e se relaciona a mitigação das mudanças climáticas, produção de baixo carbono, eficiência energética, energia renovável etc. O texto se encerra explanando sobre a questão ambiental internacional na sociedade global.