Relatos de sangue: apresentação de mundos de famílias negras vítimas ocultas da violência

This work aims at understanding of social suffering, caused by unsolved homicides in the black population. Thus, when the homicide occurs, family and friends become hidden or indirect victims of this crime. So, It will be made a historical imbalance of Afro-Brazilians to the capitalist system after slavery. Those who suffered from the absence of inclusive public policies. Also try to contextualize them within the current data with that place as the immediate victims of murder. Finally, reports from family members, through their life stories, and snippets from the ethnographic field notes were the methodologies used

Samba e negritude: práticas discursivas identitárias negras em sambas de enredo de temática africana

The study object of this thesis is the process of affirmation, (re)construction and (re)signification of the black identities in the discourses which cross the samba-enredo of African theme of the samba schools belonging to the elite group from the carioca carnival, in the period from 1960 and 2007. The main question which guides this research is the following: How does this discursive process occur and which are the possible effects resulting from it? This research aims to understand, through interpretation gestures of such discourses and from those which undergo the interview statements and the answers given to the questionnaires applied to spectators and parade exhibiters of these samba schools, in what way the negritude conception and the citizenship practice of the black Brazilian people, especially those from Rio de Janeiro, can be affected by the meaning production circulating in the discursive practices of these sambas. The research was theoretically related to the Applied Linguistics, however it articulates theories originated from Cultural Studies and Ethnic-racial Studies as well as it presents some theoretical and methodological fundamentals from the Discourse Analysis of French line. As concerns the methodology, it is of interpretative, qualitative basis with procedures of discursive character. The interview analysis did not reveal, as consequence of the discourses circulating in the sambas, a direct involvement of the black people who were interviewed in struggle for their citizenship practice, but it pointed out sliding of meaning in regard to the negritude emergence

Política de regularização de terras quilombolas: identidades e territorialidades negras em Portalegre - RN

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

ENHANCEMENT OF U-234 IN SPRINGWATERS OF AGUAS-DA-PRATA, SAO-PAULO, BRAZIL

Springwater samples were collected at Aguas da Prata, an important spa in São Paulo State, Brazil. The U-238 and U-234 isotopes were evaluated for Platina, Paiol, Villela, Prata-Radioativa, Prata-Nova, Boi, Vitoria, and Prata-Antiga springs. An inverse logarithmic correlation was found between U-234/U-238 activity ratio and Rn-222 content of the studied waters, which was related to different solution mechanisms of Rn-222 and U-234 nuclides at the rock-water interface. A linear correlation also exists between the U-234/U-238 activity ratios of the studied waters and total dissolved solids, ionic strength, CO2 partial pressure, and index of base exchange, which indicates that the enhancement of U-234 in solution increases with the degree of weathering in the aquifers, A higher U-234/U-238 activity ratio was found to be directly related to a higher value of dissolution rate.

Activos líquidos: derechos de aguas, mercados de aguas y consecuencias para los mercados de tierras rurales

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Experiencia reciente y desafíos para la generación de renta petrolera "aguas arriba" en la Argentina

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Comercialización de los derechos de aguas en Chile

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Externalidades en proyectos urbanos: saneamiento de aguas servidas y del ferrocarril metropolitano en Santiago de Chile

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El Código de Aguas de Chile: entre la ideología y la realidad

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Chile: 20 años del Código de Aguas

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Chile: estudio de caso del Código de Aguas

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La contaminación de las aguas = Water pollution

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Chile: ¿es eficaz la patente por no uso de derechos de aguas?

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Remoción de fósforo de diferentes aguas residuales en reactores aeróbios de lecho fluidizado trifásico con circulación interna

The wastewater discharge produces impacts on receiving water bodies. Nutrients as P produce implications on lentic systems because they accelerate the eutrophication processes. Several technologies for P removal from the wastewater have been used: physic chemical treatment systems with important effects by coagulant products addition; biological processes based on anaerobic and aerobic conditions with great implications on the required volume; natural systems as stabilization ponds and irrigation require bigger areas and post-treatment processes. The aerobic fluidized bed reactors with internal circulation (AFBRIC) are compact options with high concentrations of active biomass that have demonstrated their capacity for organic matter and N removal. For sewage from the wastewater pumping station of Ilha Solteira city and effluents of a recirculation aquaculture system (RAS) for semi-intensive tilapia farming, the reactive P and total P removal efficiency in three AFBRIC with 250 mm external tube diameter and different internal tube diameter (ITD), for two different support media at different concentrations was evaluated. The average reactive P removal efficiency for domestic wastewater to hydraulic retention time (HRT) of 3 hours and 125 mm ITD reactor varied from 25,6 to 38,4% and with 150 mm ITD reactor varied from 27,5 to 32,5%; the average total P removal for the RAS wastewater at a HRT of 0,19 hours and 100 mm ITD was of 32,7%.

Debate sobre el Código de Aguas de Chile

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