Results 31 to 40 of about 4,786,246 (207)

Adult and young women communication on sexuality : a pilot intervention in Maputo-Mozambique [PDF]

open access: yes, 2019
Background: Communication on sexuality within the family has been considered a determinant factor for the sexual behaviour of young women, contributing to delaying sexual initiation.
Arnaldo, Carlos   +3 more
core   +2 more sources

Faciologia e Análise Tectônica Preliminar da Formação Barreiras no Litoral Sul do Estado da Bahia, Brasil [PDF]

open access: yesGeologia USP. Série Científica, 2006
Muitos pesquisadores têm interpretado os sedimentos da Formação Barreiras como um resultado de fluxos gravitacionais,pela quase completa ausência de estruturas sedimentares hidrodinâmicas. Propõem também pouca ou nenhuma deformaçãonesta unidade.
Carlos César Uchôa de Lima   +2 more
doaj  

New insights from low-temperature thermochronology into the tectonic and geomorphologic evolution of the south-eastern Brazilian highlands and passive margin [PDF]

open access: yes, 2019
The South Atlantic passive margin along the south-eastern Brazilian highlands exhibits a complex landscape, including a northern inselberg area and a southern elevated plateau, separated by the Doce River valley.
De Grave, Johan   +4 more
core   +2 more sources

STRUTURAL CONTROLS ON BARREIRAS AQUIFER - PIRANGI

open access: yesRevista Águas Subterrâneas, 2006
The regional structuring, outlined by the overall preferential directions NW, NE and W-W, revealed as exerting strong influence on a diverse array of aspects of the Barreiras Aquifer context.
Leandson Roberto Fernandes de Lucena   +2 more
doaj   +1 more source

Gamma radiation of the street corners from South zone of Natal city, Rio Grande do Norte, Brazil

open access: yesBrazilian Journal of Radiation Sciences, 2022
This research had the objective of studying the absorbed dose of the street corner intersections from the South zone of Natal city, Brazil. This city grew up on dune lands, on siliciclastic rocks from Barreiras Formation, these dunes are quartz-sand and ...
Thomas Ferreira da Costa Campos   +4 more
doaj   +1 more source

Novos paradigmas na educacão online com a aprendizagem aberta [PDF]

open access: yes, 2007
This paper aims to discuss important concepts related to online education which bring a new educational paradigm: open learning through free learning materials and technologies.
Okada, Alexandra
core  

Comparative measurements of carbon dioxide fluxes from two nearby towers in a central Amazonian rainforest: the Manaus LBA site [PDF]

open access: yes, 2002
Forests around Manaus have staged the oldest and the longest forest-atmosphere CO2 exchange studies made anywhere in the Amazon. Since July 1999 the exchange of CO2, water, and energy, as well as weather variables, have been measured almost continuously ...
Araújo, A.C.   +11 more
core   +2 more sources

Critical Appraisal of Pancreaticogastrostomy After Pancreatoduodenectomy: Evolution, Evidence, and Future Prospects

open access: yesJournal of Hepato-Biliary-Pancreatic Sciences, EarlyView.
ABSTRACT Pancreaticogastrostomy (PG) emerged as a reconstructive option after pancreaticoduodenectomy (PD) due to its reported lower incidence of postoperative pancreatic fistula (POPF), but its superiority over pancreaticojejunostomy (PJ) remains unclear.
Samuel Menezes   +4 more
wiley   +1 more source

Rice Husk Ash Modified with Vanadium Pentoxide

open access: yesOrbital: The Electronic Journal of Chemistry, 2017
Rice husk collected in Barreiras City, Bahia, Brazil was converted to rice husk ash (RHA) by acidic or basic leaching, followed by calcination. The resulting RHA was modified with vanadium pentoxide (2, 5, or 10 mass% of V2O5).
Isaias Alves Rodrigues   +4 more
doaj   +3 more sources

Evolution of the Post-Barreiras Sediments in the coastal zone of São Luís Basin, Maranhão, Brazil [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2013
The Post-Barreiras Sediments have been poorly studied,despite their interest for reconstituting sea-level fluctuations and the tectonic history in the Quaternary.
Dilce de Fátima Rossetti.   +2 more
doaj  

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