Les engagements étatiques relatifs au secteur du transport promouvoient lapopularisation des véhicules rechargeables conformément aux exigences actuelles qu’ellessoient environnementales, techniques ou encore économiques. Ipso facto, ces travaux dethèse, assimilés à la thématique des Smart Grids, exposent une contribution à une gestionorientée du tryptique réseaux électriques, véhicules rechargeables et secteurs résidentiels.La première étape du travail consiste en l’évaluation des impacts liés à un taux de pénétrationélevé. Les travaux se sont ensuite focalisés sur deux problèmes importants qui sont latenue du plan de tension et le vieillissement accéléré des transformateurs de distributionHTA/BT, plus particulièrement ceux alimentant des secteurs résidentiels. Partant, desstratégies de modulation de la charge des batteries embarquées sont proposées et évaluées.Dans une seconde partie, en se basant sur l’hypothèse de bidirectionnalité énergétique duvéhicule électrique hybride rechargeable (Plug-in Hybrid Electric Vehicle - PHEV), estexploré les possibilités d’effacement de pointe et de diminution des puissances souscrites ;conformément au concept Vehicle-to-Home. Les aspects économiques ne sont pas évacués ;à ce titre la minimisation de la facture énergétique d’un logement fait l’objet d’un regardparticulier sous contrainte d’une tarification variable, le V2H servant de levier. Le véhiculebidirectionnel est enfin mis à contribution via une algorithmique adaptée à des fins deréglage du plan de tension et contribue ainsi au concept Vehicle-to-Grid. / The national commitments concerning terrestrial transport are promotingrechargeable vehicles according to actual environmental, technical or economicexigencies. To this end, the contribution of this thesis, related to the Smart Grids, coverssimultaneously the fields of electric utility grids, rechargeable vehicles, and residentialareas. The first step consists in the assessment the impacts caused by a highpenetration level. The research then focuses on two major problems : the voltage plan andthe aging rate of low voltage transformer, particularly those supplying residential areas.Therefore, unidirectional Plug-in Hybrid Electric Vehicles (PHEVs) charging strategieshave been proposed and evaluated. In the second part, based on the bidirectional PHEV,the possibility of consumption peak shaving and decrease of subscription contracts bothunder the concept Vehicle-to-Home are explored. The economics aspects are notignored, so a particular attention is paid of energy cost minimization for a housing undervariable pricing of energy constraint. The bidirectional vehicle is finally used in an adaptedalgorithmic for voltage plan control, thus contributing to the concept Vehicle-to-Grid.

Made available in DSpace on 2014-06-11T19:28:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-08-27Bitstream added on 2014-06-13T19:57:49Z : No. of bitstreams: 1 silva_vcp_dr_prud.pdf: 3765480 bytes, checksum: b3304a56f6ce9088e150c5a2b0a14efa (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / A partir do estudo da cidade de Palmas, capital do Estado de Tocatins, o desafio fundamental da tese proposta é analisar o imaginário da cidade projetada e implantada, constituída num tempo compactado e, ainda, como esse espaço organizado no tempo ausente apresenta traços e encaixes na realidade do pós-modernismo. Brasília e Palmas são cidades do tempo ausente que, diferente das demais cidades não planejadas ou projetadas, tem o seu espaço-tempo surgido simultaneamente. Compreendemos teoricamente essa compactação ou simultaneidade, como ausência de tempo. A cidade de Palmas foi projetada e surgiu nessa condição de compactação temporal, sua paisagem urbana detem imagens cheias de simbolismos que jogam com a subjetividade do tempo... / From a study on the city of Palmas, the capital of the state of Tocantins-Brazil, the fundamental problem on the thesis proposal is to analyze the Idea of an implanted pre designed city, settled in a compact period of time and still as IF this organized period of absent time presents treats and fits into post modernism reality. Brasília and Palmas are cities that belong to the so called “absent time” that different from other cities Just haven’t been put into blueprint or pre-planned. They both have time and space emerged simultaneously. We theoretically understand that this compaction or simultaneity as “absence of time”. The city of Palmas has been put into blueprint and came to being into a time compaction condition. It´s urban design and landscaping is filled up with symbolism that simply plays with time subjectivity. The monuments are random temporal maps that represent different periods of time though they are all rather recently made creating an illusion to others perception with the goal of bringing some historic sense to the city. The path to understanding the city and its present/absent temporality on which it has been designed is based on a multiplicity logic that sketches and overlays urban image polysemy... (Complete abstract click electronic acces below)

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Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Humanas, Departamento de Geografia, 2008. / Submitted by Thaíza da Silva Santos (thaiza28@hotmail.com) on 2010-03-07T18:55:47Z No. of bitstreams: 1 2008_LeonardoRMendes.pdf: 4383151 bytes, checksum: 8c3199ff0874787a99ed8262a387d6f8 (MD5) / Approved for entry into archive by Daniel Ribeiro(daniel@bce.unb.br) on 2010-04-29T23:30:48Z (GMT) No. of bitstreams: 1 2008_LeonardoRMendes.pdf: 4383151 bytes, checksum: 8c3199ff0874787a99ed8262a387d6f8 (MD5) / Made available in DSpace on 2010-04-29T23:30:48Z (GMT). No. of bitstreams: 1 2008_LeonardoRMendes.pdf: 4383151 bytes, checksum: 8c3199ff0874787a99ed8262a387d6f8 (MD5) Previous issue date: 2008-07-04 / O Parque Estadual do Jalapão é uma unidade de conservação localizada na porção leste do estado do Tocantins - TO e possui uma formação geomorfológica muito peculiar, caracterizado pela evolução do relevo cuestiforme e estratiforme, que pode ser comprovado pelas várias formações residuais observadas na região. Desta forma, o presente trabalho tem como objetivo estudar a geomorfologia do Parque Estadual do Jalapão (TO) e entorno e definir as suas principais unidades geomorfológicas utilizando-se de técnicas de geoprocessamento. A metodologia foi dividida nas seguintes etapas: (a) processamento digital das imagens SRTM para a obtenção dos dados morfométricos; (b) delimitação das principais bacias hidrográficas; (c) determinação das direções preferenciais das drenagens de cada bacia hidrográfica e dos lineamentos; (d) análise da geomorfologia do Parque Estadual do Jalapão (TO) e; (e) Definição das unidades geomorfológicas do Parque. A reunião dos resultados obtidos mostra a interferência da tectônica no processo de modelagem do relevo. Os produtos gerados mostram que as três principais bacias hidrográficas da região seguem alinhamentos preferenciais N - S e E - W, pois a rede hidrográfica está fortemente correlacionada com os lineamentos estruturais presentes na região. A utilização desta metodologia permitiu demonstrar a possibilidade de captura de afluentes da bacia do São Francisco pela bacia do Tocantins-Araguaia demonstrando que o modelado da região permanece em constante evolução, podendo ser acelerada pelas ações antrópicas. _________________________________________________________________________________ ABSTRACT / The Jalapão State Park is a protected área located in the eastern portion of the state of Tocantins – TO. It has a very peculiar geomorphological formation, characterized by the development of cuestiforme and estratiforme relief, which can be evidenced by the several residual formations seen in the region. Thus, this paper aims to study the geomorphology in Jalapão State Park (TO) and define their man the geomorphological units, using geoprocessing techniques.The methodology was divided into the following steps: (a) digitally processing SRTM images to collect morphometric data (b) delimitation of the main river basins, (c) determining the directions of preferential drainage of reach river basin and structural lineaments, (d) geomorphological analysis in Jalapão State Park (TO) and (e) definition of the geomorphologic units the Park. The combination of the results shows the interference of tectonics in the process of shaping the relief. The generated products shows that three major river basins in the region follow, preferentially , alignments N –S and E-W, since the river system is strongly correlated with the structural lineaments in the region. Using this methodology has demonstrated the possibility of capturing streams of the San Francisco basin through the Tocantins-Araguaia basin, showing that the region’s shape is in constant evolution and may be accelerated by human actions.

Dissertação (mestrado)—Universidade de Brasília, Faculdade de Medicina, 2008. / Submitted by Luana Patrícia de Oliveira Porto (luana_porto_23@hotmail.com) on 2010-03-14T20:26:32Z No. of bitstreams: 1 2008_MiguelEmilioSarmientoGener.pdf: 1452142 bytes, checksum: b9634c99b4506c2d4fb9051cc4f97a31 (MD5) / Rejected by Carolina Campos(carolinacamposmaia@gmail.com), reason: Falta incluir o resumo em espanhol. on 2010-03-17T14:56:38Z (GMT) / Submitted by Luana Patrícia de Oliveira Porto (luana_porto_23@hotmail.com) on 2010-03-17T17:29:07Z No. of bitstreams: 1 2008_MiguelEmilioSarmientoGener.pdf: 1452142 bytes, checksum: b9634c99b4506c2d4fb9051cc4f97a31 (MD5) / Approved for entry into archive by Lucila Saraiva(lucilasaraiva1@gmail.com) on 2010-04-26T16:40:42Z (GMT) No. of bitstreams: 1 2008_MiguelEmilioSarmientoGener.pdf: 1452142 bytes, checksum: b9634c99b4506c2d4fb9051cc4f97a31 (MD5) / Made available in DSpace on 2010-04-26T16:40:42Z (GMT). No. of bitstreams: 1 2008_MiguelEmilioSarmientoGener.pdf: 1452142 bytes, checksum: b9634c99b4506c2d4fb9051cc4f97a31 (MD5) Previous issue date: 2008 / Definição do problema e justificativa: De 1996 a 2006, o Estado do Tocantins (TO) registrou, em média, 0,3% dos casos de malária da Região Amazônica, dos quais, 37% foram autóctones. O risco médio foi um caso por 1.000 hab. Apresenta ainda condições geográficas, climatológicas e ecológicas menos favoráveis à transmissão da malária, em relação a outros Estados Amazônicos. Desta forma, há perspectiva de interrupção da transmissão autóctone no estado. Para tanto, é necessário uma análise epidemiológica da ocorrência dos casos autóctones registrados e seu risco de adoecer nos últimos 9 anos. Objetivo: Descrever as características epidemiológicas dos casos autóctones de malária registrados no TO, de 1998 a 2006. Métodos: Tipo de estudo: Epidemiológico, ecológico e descritivo com base em levantamento de dados disponíveis. Série temporal do número de casos autóctones de malária humana notificados no TO. Fontes de dados: Sistema de Informação sobre Malária (Sismal), Sistema de Vigilância em Malária (Sivep-Malária), Relatórios Técnicos, Empresa Brasileira de Pesquisa Agro-pecuária (Embrapa), Secretaria de Planejamento e Meio Ambiente do TO (SEPLAN-TO) e Instituto Brasileiro de Geografia e Estatística (IBGE). Resultados: De 1998 a 2006, foram registrados 11.960 casos de malária no TO em 103 municípios. Do total de casos, 6.415 (53,6%) foram autóctones em 90 municípios. Dos casos autóctones, 66% concentraram-se nos municípios de Araguatins (26,2%), Caseara (13,8%), Araguaína (7,6%), Araguacema (6,8%), Ananás (6,7%) e Xambioá (5%). De 2003 a 2006, 12 municípios, 8,6% (N=139) do TO e 24% (N=50) daqueles com autoctonia, registraram 88,9% (N=866) de casos autóctones. Destes, 54,6% concentraram-se em Caseara (26%), Araguacema (21,2%) e Marianópolis do Tocantins (18,1%). Houve redução sustentável do número de casos e dos municípios com autoctonia. O risco de adoecer mostrou redução sustentável e foi muito baixo. As principais características epidemiológicas dos casos autóctones foram: homens (68,5%) de 15 ou mais anos de idade (70,2%), de um a três anos de estudo (33,6%), atividade agropecuária nos últimos 15 dias (42,4%), sintomáticos (99%) e infectados por P.vivax (80%), notificados por busca passiva (70,8%) com tempo entre primeiros sintomas e o diagnóstico/tratamento de mais de 48 horas (variando de 63,6 a 70%) e sazonalidade de março até junho. De 1998 a 2006, as infecções por P.falciparum foram registradas em 67,4% (N=89) dos municípios com autóctonia, com a maior ocorrência em Araguatins, Araguaína, Caseara, Palmas, Xambioá, Ananás, Esperantina e Marianópolis. A proporção de P. falciparum foi 20,2% e aumentou a partir de 2004. Entre 1998 e 2006, aumentou em Araguatins, Guaraí, Itaguatins, Marianópolis e Caseara. De 2003 a 2006, dos municípios com autoctonia, 63,8% realizaram a busca ativa (BA), mas houve queda em 2006 (35,7%). A BA foi ascendente entre os casos autóctones (variando de 24,2% até 33,9%). Conclusão: A malária autóctone humana foi registrada em dois terços dos municípios tocantinenses durante o período de estudo, com tendência descendente e risco muito baixo de adoecer. A maioria dos casos autóctones de malária humana foi registrada nos municípios de Marianópolis, Caseara e Araguacema. _____________________________________________________________________________________ ABSTRACT / Background: From 1996 to 2006, Tocantins State (TO) registered, on average, 0.3% of area cases, of which, 37% were autochthonous. The annual medium risk (IPA) was a case per 1.000 hab. It has some geographical, weather and ecological conditions less favorable to malaria transmission than other Regional States. Hence, there is perspective of interrupting autochthonous transmission. So, it is necessary an epidemiological analysis about case occurrence and getting sick risk of autochthonous malaria during last nine years. Objective: To describe epidemiological characteristics of autochthonous malaria cases in TO, 1998 to 2006. Methods: Study: Epidemiological, ecological and descriptive based on available data. Time series of human autochthonous malaria cases reported by TO. Data sources: Information System about Malaria (SISMAL), Epidemiological Surveillance System about Malaria (SIVEP-Malaria), technical reports of malaria, Brazil´s Enterprise of Agricultural Researching (Embrapa), Tocantins´ Planning Secretary (SEPLAN-TO), Brazil´s Institute of Statistics and Geography (IBGE). Results: From 1998 to 2006, 11.960 malaria cases were reported in 103 municipalities. Autochthonous cases were 6.415 (53.6%) in 90 municipalities. From autochthonous cases, 66% were in the followings municipalities: Araguatins (26.2%), Caseara (13.8%), Araguaína (7.6%), Araguacema (6.8%), Ananás (6.7%) and Xambioá (5%). From 2003 to 2006, 12 municipalities, 8.6% (N=139) of TO and 24% (N=50) of those with autochthony, registered 88.9% (N=866) of municipal autochthonous cases. There was maintainable reduction of autochthonous cases and municipality number. The risk of getting sick showed maintainable reduction and was very low. Main epidemiological characteristics of autochthonous cases were: men (68.5%) of 15 or more years old (70.2%), from one to three years of study (33.6%) and agricultural activity during last 15 days (42.4%), symptomatic (99%) and infected by P.vivax (80%), notified by passive surveillance (70.8%) with time between first symptoms and the diagnosis/traitment of more than 48 hours (varying from 63.6 to 70%) and seasonal behavior from March to June. From 1998 to 2006, infections for P.falciparum were registered in 67.4% (N=89) of autochthonous municipalities with the largest occurrence in Araguatins, Araguaína, Caseara, Palmas, Xambioá, Ananás, Esperantina and Marianópolis. P. falciparum proportion was 20.2% and increased from 2004. Between 1998 and 2006, this proportion increased in Araguatins, Guaraí, Itaguatins, Marianópolis and Caseara. From 2003 to 2006, among autochthonous municipalities, 63.8% accomplished active surveillance (BA), but fall in 2006 (35.7%). BA was ascending among autochthonous cases (varying from 24.2% to 33.9%). Conclusion: Human autochthonous malaria was registered in two thirds of municipalities of TO, with descending trend and very low risk of getting sick. Most of autochthonous cases of human malaria was registered in Marianópolis, Caseara and Araguacema. ______________________________________________________________________ RESUMEN / Definición del problema y justificativa: De 1996 a 2006, el Estado de Tocantins (TO) registro, como promedio, 0,3% de los casos de Amazônia, de estos, 37% fueron autóctonos. El Riesgo médio fue 1 caso por 1.000 hab. Presenta además condiciones geográficas, climatológicas y ecológicas menos favorables a la transmisión de la malaria si comparado con el resto de la región. De esta forma, hay perspectiva de interrupción de la transmissión autóctona em TO. Para ello, es necessario un análisis epidemiológico de frecuencia de casos autóctonos registrados y su riesgo de enfermar en los últimos 9 anos. Objetivo: Describir lãs características epidemiológicas de los casos autóctonos de malaria registrados en TO, de 1998 a 2006. Métodos: Diseño: Epidemiológico, ecológico y descritivo con búsqueda de datos disponibles. Serie temporal del número de casos autóctonos de malaria humana notificados en TO. Fuentes de datos: Sistema de Infornación sobre Malaria (Sismal), Sistema de Vigilância de Malaria (Sivep-Malaria),Informes Técnicos, Empresa Brasileira de Investigación Agropecuarista (Embrapa), Secretaria de Planeamiento e Médio Ambiente de TO (SEPLAN-TO) e Instituto Brasileiro de Geografia e Estadística (IBGE).. Resultados: De 1998 a 2006, fueron registrados 11.960 casos de malaria en TO en 103 municipios. Del total de casos, 6.415 (53,6%) fueron autócnonos en 90 municipios. De los casos autóctonos, 66% se concentraron en los municípios de Araguatins (26,2%), Caseara (13,8%), Araguaína (7,6%), Araguacema (6,8%), Ananás (6,7%) y Xambioá (5%). De 2003 a 2006, 12 municipios, 8.6% (N=139) de TO y 24% (N=50) de aquellos con autoctonia, registraron 88,9% (N=866) de casos autóctonos municipales. Hubo reducción mentenida del número de casos y municípios com autóctonos. El riesgo de enfermar mostro reducción sustentable y fue muy bajo. Las principales características epidemiológicas de los casos autóctonos fueron: hombres (68,5%) de 15 ó más años de edad (70,2%), de uno a três años de estudio (33,6%) y actividad agropecuária em los últimos 15 días (42,4%), sintomáticos (99%) e infectados por P.vivax (80%), notificados por vigilancia pesiva (70,8%) con tiempo entre primeros sintomar y diagnóstico/tratamiento mayor de 48 horas (variando de 63,6 a 70%) y estacionalidad de Marzo a Junio. De 1998 a 2006, infecciones por P falciparum fueron registradas en 67,4% (N=89) de los municípios con autoctonia, con la mayor frecuencia em Araguatins, Araguaína, Caseara, Palmas, Xambioá, Ananás, Esperantina y Marianópolis. La proporción de P. falciparum fue 20,2% y aumento desde 2004. Entre 1998 y 2006, aumento em Araguatins, Guaraí, Itaguatins, Marianópolis y Caseara. De 2003 a 2006, de los minicipios com autoctonia, 63, 8% realizo vigilancia activa (BA), pero cayó em 2006 (35,7%). La BA fue ascendiente entre los casos autóctonos (cariando de 24,2% até 33,9%). Conclusión: Dos tercios de municipios de TO durante el estudio tuvieron tendência descendiente y riesgo muy bajo de enfermar. La mayoría de los casos autóctonos de malaria humana fue registrada em Marianópolis, Caseara y Araguacema.

Dissertação (mestrado)—Universidade de Brasília, Instituto de Geociências, 2009. / Submitted by Thaíza da Silva Santos (thaiza28@hotmail.com) on 2011-02-11T17:03:39Z No. of bitstreams: 1 2010_GustavoCamposMarques.pdf: 14851875 bytes, checksum: 0713441712653496ff5dba3cb27356a4 (MD5) / Approved for entry into archive by Daniel Ribeiro(daniel@bce.unb.br) on 2011-02-11T23:47:09Z (GMT) No. of bitstreams: 1 2010_GustavoCamposMarques.pdf: 14851875 bytes, checksum: 0713441712653496ff5dba3cb27356a4 (MD5) / Made available in DSpace on 2011-02-11T23:47:09Z (GMT). No. of bitstreams: 1 2010_GustavoCamposMarques.pdf: 14851875 bytes, checksum: 0713441712653496ff5dba3cb27356a4 (MD5) / Esta dissertação apresenta os dados de litoestatigrafia, geoquímica e geocronologia dos grupos Araí e Serra da Mesa e do embasamento comum a esses grupos obtidos no Sul do Tocantins. Pretende-se com esses dados avançar no conhecimento das relações deposicionais entre os dois grupos, constante objeto de controvérsia; assim como estudar o embasamento pouco conhecido na região. O embasamento compreende paragnaisses intercalados por xistos grafitosos da Formação Ticunzal que são intrudidos por granito gnaisses peraluminosos da Suíte Aurumina, formados na colisão paleoproterozóica durante o Evento Transamazônico (2,2 a 2,0 Ga). Neste trabalho este embasamento foi definido como Terreno Jaú-Calvacante. Os grupos Araí e Serra da Mesa são formados por rochas sedimentares que foram depositadas em ambientes continental e plataformal, originados a partir da evolução de rifts durante o Paleo/Mesoproterozóico (1,8 – 1,5 Ga). A Bacia Araí é do tipo rift-sag que foi dividida em quatro estágios: pré-rift, sin-rift, transicional e pós-rift ou flexural. O estágio pré-rift é composto pelas Unidades A1, com conglomerados polímiticos; e A2, com quartzitos eólicos e conglomerados oligomíticos. O estágio sin-rift apresenta apenas a Unidade A3 que é composta por rochas metapiroclásticas líticas. As três unidades apresentam sedimentação continental. O estágio transicional é composto pelas unidades A4 e A5. A Unidade A4 é composta por intercalações de quartzitos, conglomerados oligomíticos e localmente metagrauvaucas. A Unidade A5 é constituída por quartzitos, metapelitos e subordinadamente conglomerados oligomíticos. O estágio transicional apresenta uma mistura de sedimentos marinhos e continentais. O último estágio pós-rift (Formação Traíras), consiste em sedimentos depositados em uma plataforma marinha silico-carbonatada, marcada por dois ciclos deposicionais, cada um com granodecrescência ascendente, denominados de unidades A6 e A7. O grupo Araí apresenta metamorfismo na fácies xisto verde com dobramento suave. O Grupo Serra da Mesa é representado por uma sequência marinha correlata ao estágio pós-rift do Grupo Araí e é composto por sedimentos depositados em uma plataforma marinha silico-carbonatada, marcada por dois ciclos deposicionais, denominados, respectivamente, de Unidade SM1 e Unidade SM2. O grupo Serra da Mesa apresenta metamorfismo na fácies anfibolito e dobramento apertado a assimétrico. Os dois tipos de deformação e metamorfismo, desenvolvidos no ciclo Brasiliano, se distribuem dos dois lados do Sistema de Falhas Rio Maranhão. Desta forma estabelece-se uma correlação litoestratigráfica entre o Grupo Serra da Mesa e o estágio pós-rift do Araí. Além das semelhanças litoestratigráficas, os dois grupos têm similaridade isotópica, que são: rochas carbonatadas com valores semelhantes de δ13CPDB de 2,60 a 2,93 0/00. Idades de proveniência Sm-Nd indicando fontes paleoproterozoícas variando entre 1,85 e 2,4 Ga.Datações U-Pb de zircões detríticos ,pertencendo tanto ao Grupo Araí como Serra da Mesa, forneceram principalmente idades paleoproterozoícas de 1,55 a 2,4 Ga. _________________________________________________________________________________ ABSTRACT / This dissertation presents the results of lithostratigraphic , geochemical and geochronological data of the Araí and Serra da Mesa groups and their basement, carried out in the south of Tocantins. The objective is to understand the depositional relationship between these groups; and to study the basement that is poorly known. The basement comprises paragneisses interlayered with graphite-bearing schists of Ticunzal Formation, intruded by Suite Aurumina peraluminous granites, formed during the paleoproterozoic Transamazonic collision (2,2-2,0 Ga) .In this work the basement was defined as Jaú-Cavalcante Terrain. The Araí and Serra da Mesa groups are sedimentary rocks which were deposited in continental and shelf environments, created during the evolution of the Paleo/Mesoproterozoic Araí rift The Araí Group is a typical rift-sag basin that was divided into four stages: pre-rift, sin-rift, transitional and flexural stages. The pre-rift stage is composed by A1 Unit with polymitic conglomerates and A2 Unit with eolian quartzites and oligomitic conglomerates. The sin-rift stage is only composed by A3 Unit that consists of metapyroclastic rocks. These three units represent a continental sedimentation . The Transitional stage is composed by A4 and A5 units. The A4 Unit is composed by quartzites, oligomitic conglomerates and locally metagraywackes. The A5 Unit is composed by a sucession of phyllites, quartzites and some oligomitic conglomerates. The transitional stage represents a mixture of continental and marine environment. The last flexural stage (Traíras Formation) consists of carbonate and siliciclastic sediments formed in marine-shelf , with two cycles of deposition, each one with downward coarsening, denominated A6 and A7 units. The Araí Group shows green-schist metamorphism and gentle to soft folding. The Serra da Mesa Group is represented by a marine sequence, that can be correlated to the flexural stage of the Araí Group. It is composed by carbonate and siliciclastic sediments deposited in a marine shelf with two cycles of deposition, with downward coarsening, respectively denominated of SM1 and SM2 units. The Serra da Mesa group show amphibolite metamorphism and tight to assimetric folding. The Two types of metamorphism and deformation, developed during the Brasiliano cycle, are distributed on both sides of the Rio Maranhão Fault System. Thus a lithostratigraphic correlation can be established between the Serra da Mesa Group and flexural stage (Traíras Formation) of the Araí Group. Besides the lithostratigraphic similarities, the two groups present have isotope similarities: carbonate rocks with similar values of δ13CPDB between 2,60 and 2,93 0/00;.Sm-Nd provenance ages showing paleoproterozoic sources varying between 1,85 and 2,4 Ga; U-Pb ages on detritical zircon indicate paleoproterozoic values of 1,55 to 2,4 Ga.

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This dissertation examines Hipparchos, the son of Peisistratos, and the years 528-514 B.C. at Athens. Modern scholarship has generally adjudged Hipparchos a powerless, dissolute aesthete on the basis of Thucydides' test- imonia about Hipparchos' murder. Yet, it is clear from other sources that Hipparchos was much more, perhaps even the most important Peisistratid after Peisistratos' death, certainly the most visible. The purpose of this dissertation is to shed new light on this important period by aiming at a better understanding of Hipparchos. Chapter I concerns Hipparchos' image and is a compilation of testimonia relevant to him. The introduction to the chapter attempts to illustrate the importance of image to Greek tyrants of the archaic period and to show that image can be useful as an indicator of tyrannical power. The remainder of the chapter is divided into the archaeological and literary records of Hipparchos. Sections are devoted to Hipparchos' herms, the wall of the Akademy and his Ptolon dedication. The literary record is divided into external affairs (Hipparchos and Ionia), internal/external affairs (the Onomakritos-affair), and internal affairs (the Panathenaia and Hipparchos). The conclusion is that Hipparchos was far more prominent than his brother Hippias and much more significant than previously believed. Chapter II confronts the historiographical problem of succession to Peisistratos. It is divided into examination of the stele concerning the adikia of the tyrants', Thucydides' most important evidence for the successsion, and the literary tradition about the succession. (An appendix examines the evidence of the sixth century archon-list.) The conclusion is that the succession-issue became controversial in the fifth century, apparently well after the end of the tyranny. Chapter III deals with Thucydides' account of Hipparchos' murder. Sections are given to accounts before Thucydides', but later accounts are considered only as they differ from his on specific points. Thucydides1 account is examined in two sections: motivation of the tyrannicides and the act itself. The conclusion is that Thucydides was quite probably influenced by his own preconceptions to read his beliefs into a substructure of earlier material. The evidence for this is inconsistency and implausibility in Thucydides' account. An epilogue considers Hipparchos1 influence over later prominent Athenians and the city itself. / Arts, Faculty of / Classical, Near Eastern and Religious Studies, Department of / Graduate

The purpose of this research project was to investigate the effectiveness of the two-hour and the one-day Health Promotion Workshops offered to nurses in British Columbia as part of a four month pilot project. The Registered Nurses' Association of British Columbia (RNABC) employed a nurse as special project director to develop and present Health Promotion Workshops to nurses. The goals of the workshop were: 1. To sensitize nurses to their own needs to optimize their own health. 2. To sensitize nurses to their role of sensitizing other to their need to optimize their own health. 3. To motivate nurses to make changes in their personal health behaviours. 4. To motivate nurses to make changes in their role as health promoters. The workshops were offered to all RNABC chapters throughout the province. Seventeen chapters chose the two-hour workshop and 5 chose the one-day workshop. Eight of the two-hour and three of the one-day workshop groups were used for the evaluation. The workshops were evaluated by observation, discussion with some participants, and with responses obtained through questionnaires. The questionnaires were designed to obtain information regarding knowledge, awareness, perceptions of the workshop, and behaviours of the nurses related to physical activity. Control groups were chosen by randomly selecting from the RNABC chapters, nurses who had not attended the workshop. Using analysis of variance, the control groups were found to be equivalent to the workshop groups prior to each session when comparing the questionnaire responses. Multivariate analysis of variance was done to determine differences between the workshop groups and their appropriate control groups six weeks following the workshops. The results indicated that: 1. There was a significant increase in reported exercise behaviours for both the two-hour and one-hour workshop groups. 2. There were no significant differences in reported habits relating to physical activity. 3. There were no significant differences in reported behaviours as a health promoter. Analysis of variance was done to determine significant differences among means for the knowledge test scores of each group. The results indicated that both workshop groups had a significantly higher mean score when compared to their control groups. Seventy-five percent of the participants reported that they identified changes they would like to make in their own fitness and forty-five percent indicated they were able to accomplish changes in this area. Seventy percent indicated they had an increased awareness of their role as health promoters in their work. It was concluded that the Health Promotion Workshops were effective in 1) sensitizing nurses to their own needs to optimize their own health, 2) motivating nurses to make changes in their health behaviours, and 3) sensitizing nurses to their role as health promoters. / Applied Science, Faculty of / Nursing, School of / Graduate

The transition to parenthood is arguably one of the most stressful developmental periods in the lifespan, with couples often experiencing increased levels of conflict and relationship distress. It is possible that deteriorating relationship functioning may be due to increases in hostile attributions made towards partners during this time period. In order to better understand how changes in hostile attributions occur within the partner relationship, this study investigated the extent to which hostile attributions made toward a partner increased during the transition to parenthood, as well as identified stable and fluctuating factors that influenced changes in hostile attributions (life stress, parenting stress, trait hostility, and depressive symptoms). In addition, gender differences of these factors influencing hostile attributions were explored. Ninety-eight heterosexual couples were included in the study, all of whom completed online self-report questionnaires during pregnancy, 1-year postpartum, and 2 years postpartum. Hierarchical Linear Modelling was used to examine how changes in stress predicted changes in hostile attributions, and whether these relations were moderated by trait hostility or mediated by depressive symptoms. More specifically, investigations included how increases in life stress and parenting stress influenced increases in hostile attributions over the transition to parenthood, whether increased stress levels interacted with high trait hostility to further increase risk of hostile attributions, as well as whether increased depressive symptoms longitudinally mediated the link between increased stress and increased hostile attributions. Results showed that increases in both life stress and parenting stress significantly predicted increases in hostile attributions for both men and women over the transition to parenthood. Trait hostility was not a significant moderator of hostile attributions for women. For men, increases in life stress were associated with increases in hostile attributions, but only for men who were low in trait hostility. Increases in parenting stress were associated with increases in hostile attributions for men who had low and average trait hostility. Regardless of changes in stress levels, men who were high in trait hostility had high levels of hostile attributions over time. Depressive symptoms did not mediate the relations between stress and hostile attributions, and were a direct predictor of hostile attributions for men but not for women. This study adds to the growing body of literature on mechanisms of change in relationship functioning over the transition to parenthood. Future research should explore other factors that address why relationship functioning changes for women over the transition to parenthood, and should examine depressive symptoms in men and their subsequent effects on family systems. Future longitudinal research should examine child outcomes as well as conflict management between partners in order to ascertain the effect of hostile attributions on family functioning. Changes in hostile attributions also have important clinical implications, and health professionals should screen for high levels of stress, trait hostility, and hostile attributions in order to prevent possible relationship deterioration during the transition to parenthood. / Graduate