Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-01-23T14:01:55Z No. of bitstreams: 5 5.pdf: 1593900 bytes, checksum: 2373f74a6227b91b45de5fc1b4212e3e (MD5) license_url: 52 bytes, checksum: 3d480ae6c91e310daba2020f8787d6f9 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-02-10T13:08:32Z (GMT) No. of bitstreams: 5 5.pdf: 1593900 bytes, checksum: 2373f74a6227b91b45de5fc1b4212e3e (MD5) license_url: 52 bytes, checksum: 3d480ae6c91e310daba2020f8787d6f9 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Made available in DSpace on 2015-02-10T13:08:32Z (GMT). No. of bitstreams: 5 5.pdf: 1593900 bytes, checksum: 2373f74a6227b91b45de5fc1b4212e3e (MD5) license_url: 52 bytes, checksum: 3d480ae6c91e310daba2020f8787d6f9 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) Previous issue date: 2012 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Funda??o de Amparo ? Pesquisa do estado de Minas Gerais (FAPEMIG) / Este trabalho teve como objetivo conhecer a estrutura, composi??o flor?stica e rela??o vegeta??o-ambiente em comunidades arbustivo-arb?reas de diferentes fitofisionomias de Cerrado. Os fragmentos situam-se na Fazenda Experimental do Moura em Curvelo-MG (cerrado sentido restrito ? 18,84? S e 44,39? W; cerrad?o ? 18?82? S e 44?25? W; altitude m?dia de 715 m), sob clima do tipo Aw de K?ppen e sobre substrato de Latossolos ?cidos e distr?ficos. O Invent?rio florestal foi conduzido por meio de parcelas permanentes retangulares (20?50 m) com ?rea de 1000 m?; para a regenera??o natural (RN), utilizou-se sub-parcelas com ?rea de 100 m? (2?50 m), instaladas no centro de cada parcela. Foram instaladas trinta unidades amostrais na ?rea de cerrado sentido restrito (quinze para a vegeta??o adulta e quinze para a RN) e dez unidades na ?rea de cerrad?o. O compartimento adulto foi representado por todos os indiv?duos vivos dentro das parcelas com DAS (circunfer?ncia a 0,3 m do n?vel do solo) > 5,0 cm, e nas sub-parcelas, para a RN, registrou-se todo indiv?duo vivo com comprimento de fuste > 10 cm e DAS < 5,0. ?rvore com fuste bifurcado foi inclu?da como indiv?duo ?nico e no caso da vegeta??o adulta quando o valor dos DAS fundidos atendia ao crit?rio. A RN foi subdividida em tr?s classes de di?metro: I ? (DB entre 0,028 e 2,0 cm); II ? (DB entre 2,0 e 4,0 cm) e III ? (DB > 4,0 cm). Foram coletadas vari?veis ambientais para cada parcela para subsidiar an?lises diretas de gradiente por meio de duas matrizes (vegeta??o e ambiente). Foram realizadas an?lises de diversidade alfa e beta temporal (cerrado sentido restrito entre adultos e RN). Foi registrado um total de 127 esp?cies nas tr?s ?reas, sendo 39 fam?lias identificadas e 89 g?neros identificados. As an?lises de correspond?ncia can?nica indicaram correla??es significativas entre distribui??o espacial da abund?ncia de esp?cies com algumas vari?veis ambientais para quatro das cinco an?lises realizadas (duas para o compartimento adulto e tr?s para as classes da RN). As an?lises indicaram valores de diversidade alfa condizentes para ?reas de Cerrado. Destacam-se em fun??o da densidade, em toda a amostragem, os g?neros Annona, Byrsonima, Erythroxylum, Myrcia e Qualea e a esp?cie Magonia pubescens. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2011. / ABSTRACT This study aimed to know the structure, floristic composition and environment-vegetation relationship in communities of different woody vegetation types of the Cerrado. The fragments are located in the Experimental Farm in Curvelo Moura, MG (cerrado sentido restrito ? 18,84? S e 44,39??W; cerrad?o-cerrado sentido restrito transition ? 18?82??S e 44?25??W; average elevation of 715 m), climate under the K?ppen Aw and on substrate of dystrophic and acids. The forest inventory was conducted by means of rectangular permanent quadrats (20 ? 50 m) with an area of ??1000 m?. For natural regeneration (RN), we used sub?-plots with an area of ??100 m? (2 ? 50 m) installed in the center of each plot. Thirty sample units were installed in the area of ??cerrado sensu stricto (fifteen to vegetation and fifteen adult to RN) and ten units in the area of ??dense cerrad?o-cerrado sentido restrito transition. The adult compartment was represented by all individuals living within the plots with diameter at soil height (DSH - diameter to 0.3 m from ground level) >?5.0 cm, and in sub-quadrats, natural regeneration (RN) composed of alive individuals with long stem >?10?cm e DSH <?5.0. Tree with bifurcated stem were included as a unique individual, and in case of adult vegetation, only included when the value of square root of the sum-square of DSH had been greater than criterion. The RN were divided into three diameter classes: I - (DB between 0.028 and 2.0 cm), II - (DB between 2.0 and 4.0 cm) and III - (DB> 4.0 cm). Environmental variables were collected for each plot to subsidize direct gradient analysis by means of two arrays (vegetation and environment). Were performed analyzes of alpha and beta temporal diversity (in cerrado sensu stricto between adults and RN). It was recorded a total of 127 species in three areas, and identified 39 families and 89 genera identified. The canonical correspondence analysis indicated significant correlations between spatial distribution of species abundance with some environmental variables for four of the five tests performed (two for the adult compartment and three classes for the classes of RN). Stand out as a function of density in the entire sample, gender Annona, Byrsonima, Erythroxylum, Myrcia and Qualea, and the specie Magonia pubescens.

Made available in DSpace on 2014-12-17T14:13:58Z (GMT). No. of bitstreams: 1 SharmeniaASN.pdf: 2797378 bytes, checksum: c21cd713a5d0826c38908c18d728f0c9 (MD5) Previous issue date: 2007-05-07 / This research aimed at evaluating oral health education activities for Periodontitis carriers, emphasizing the motivation for self-care and understanding the cultural aspects involved. This was a qualitative and quantitative study. Based on the qualitative referential, 20 interviews were done, in which differences between scientific and popular explicative models of the health-illness process were verified, besides the increased knowledge and motivation in relation to the use of preventive measures and also the fails in the understanding of the chronic character of periodontitis, enhancing frustration and guilty feelings in the patients. Two groups were structured: intervention and control. The intervention group was submitted to clinical attendance and education activities, while the control group undergone the traditional clinical attendance only. The sample consisted of 51 participants of intervention group and 47 of control group. Structured interviews were conducted at the beginning and at the end of the treatment in order to evaluate the knowledge and motivation for self-care in both groups. For comparison between the previous and post moments in both groups, there were applied McNemar tests with a probability of p < 0.05. In intervention group there was an increase in knowledge related to the name, the causes and related factors of the disease (p < 0.05). In control group there wasn t a rise in the understanding of the diseases chronic character, unlike in intervention group. However, in what concerns self-care, a greatest frequency in medium and high scores was observed in both groups. By this study, it is conclude that there is a common sense knowledge about the importance of preventive techniques and poor oral health as causing periodontitis; clinical interventions for bearers of chronic Periodontitis do not add values to the patients, regarding the illness, its causes and its chronic character; popular beliefs stay in their imagination, and the patients have a increased motivational capacity for self-care / Esta pesquisa objetivou avaliar atividades educativas em sa?de bucal aos portadores de periodontite cr?nica, enfocando a motiva??o para o autocuidado e compreendendo os aspectos culturais envolvidos. Tratou-se de um estudo qualitativo-quantitativo. A partir do referencial qualitativo, foram realizadas 20 entrevistas, em que foram verificadas diferen?as nos modelos explicativos cient?fico e popular do processo sa?de-doen?a, al?m do elevado conhecimento e motiva??o em rela??o ? utiliza??o de medidas preventivas, al?m de falhas na compreens?o do car?ter cr?nico das periodontites, gerando sentimentos de culpa e frustra??o nos pacientes. Dois grupos froma estruturados: interven??o e controle. O grupo de interven??o foi submetido a atendimento cl?nico e atividades educativas, enquanto o grupo-controle participou somente do atendimento cl?nico A amostra constituiu-se de 51 participantes do grupo de interven??o e 47 do controle. No in?cio e no final do tratamento foram realizadas entrevistas estruturadas para avaliar o conhecimento e a motiva??o para o autocuidado nos dois grupos. Para a compara??o entre os momentos antes e depois, nos dois grupos, foi realizado o teste McNemar, com uma probabilidade de p < 0,05. No grupo de interven??o houve um incremento do conhecimento em rela??o ao nome, ?s causas e aos fatores relacionados ? doen?a (p < 0.05). No grupo controle n?o houve aumento na compreens?o do car?ter cr?nico, ao contr?rio do grupo de interven??o. Entretanto, no que se refere ao autocuidado, observou-se uma maior freq??ncia nos escores entre m?dio e alto, nos dois grupos. Atrav?s deste estudo foi conclu?do que existe um conhecimento senso comum sobre a import?ncia das t?cnicas preventivas e a m? higiene oral como causadora da periodontite; as interven??es cl?nicas, n?o acrescentam valores ao paciente em rela??o ao conhecimento de qual doen?a possui, suas causas e seu car?ter cr?nico; as compreens?es populares permanecem no imagin?rio popular e os pacientes possuem uma elevada capacidade motivacional para o autocuidado

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-02-22T23:46:44Z No. of bitstreams: 1 BerttonyDaSilvaNino_DISSERT.pdf: 2259399 bytes, checksum: 51da3c479a422d97990a968cbe42e5a0 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-02-26T20:22:11Z (GMT) No. of bitstreams: 1 BerttonyDaSilvaNino_DISSERT.pdf: 2259399 bytes, checksum: 51da3c479a422d97990a968cbe42e5a0 (MD5) / Made available in DSpace on 2016-02-26T20:22:11Z (GMT). No. of bitstreams: 1 BerttonyDaSilvaNino_DISSERT.pdf: 2259399 bytes, checksum: 51da3c479a422d97990a968cbe42e5a0 (MD5) Previous issue date: 2015-03-13 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Esta disserta??o apresentada tem como objeto de investiga??o o trabalho do ator na constru??o das a??es f?sicas, conforme a metodologia desenvolvida por Constantin Stanislavski em sua an?lise da a??o dram?tica, denominada ?m?todo da a??o f?sica?, aplicada ?s quest?es da representa??o c?nica do marginal brasileiro, segundo o olhar ?cruel? e realista/naturalista do dramaturgo Pl?nio Marcos. Partindo das circunst?ncias dadas pelo universo Pliniano, a inten??o ? contribuir para a reflex?o sobre o trabalho do ator na cena com as personagens marginais de ?Navalha na carne?, destacando alguns aspectos importantes, que auxiliem na constru??o deste mundo ficcional. Deseja-se criar condi??es para a forma??o de um ator que potencialize na cena as contradi??es e conflitos desta obra. A investiga??o pretende partir do estudo te?rico-pr?tico como hip?tese metodol?gica, produzindo reflex?o cr?tica a partir do processo criativo do ator com a realiza??o de um experimento c?nico centrado na t?cnica psicof?sica deste pedagogo russo. Assim, pretende-se lan?ar um olhar sobre o ?m?todo das a??es f?sicas? com foco na sua ?ltima grande contribui??o para a atua??o, notadamente o procedimento da an?lise ativa, ao fazer uma leitura a partir de ?Navalha na carne? por meio deste exerc?cio c?nico criativo, ampliando os estudos que se ocupam da arte do ator. Esta pesquisa faz uma explana??o geral sobre a trajet?ria de Stanislavski at? seu encontro com a a??o f?sica, ao mesmo tempo que, destaca os desencontros de entendimento do seu trabalho pelo mundo. Stanislavski desenvolveu inicialmente o ?m?todo? tendo como pano de fundo, a est?tica realista - uma rela??o de di?logo entre realidade e a cena ? atrav?s de uma estiliza??o que cria uma realidade teatral, e consequentemente, art?stica, e n?o de forma literalmente naturalista atrav?s de um mimetismo integral. Ou seja, o trabalho de representa??o na est?tica realista do teatro deve ser elaborado a fim de criar uma realidade teatralizada. Stanislavski entende que teatro ? conven??o, j? que o trabalho do ator sobre si pr?prio deve estimular essa segunda natureza, a c?nica. / This thesis presented is to research the actor's work in the construction of physical actions, according to the methodology developed by Constantin Stanislavski in his analysis of dramatic action, called "method of physical action", applied to questions of scenic representation of the Brazilian marginal, according to the look "cruel" and realistic / naturalistic Plinio Marcos playwright. Based on the circumstances given by Pliniano universe, the intention is to contribute to the reflection on the actor's work on the scene with the marginal characters in "Razor in the Flesh", highlighting some important aspects, to assist in the construction of this fictional world. You want to create conditions for the formation of an actor that leverages the scene the contradictions and conflicts of this work. The research aims from the theoretical and practical study as a methodological hypothesis, producing critical reflection from the creative process of the agent with the realization of a scenic experiment focused on psychophysical technique of this Russian pedagogue. Thus, we intend to have a look at the method of physical actions focusing on his last great contribution to the work, especially the procedure of active analysis by doing a reading from "Razor in the Flesh" through this creative scenic exercise, extending the studies concerning the actor's art. This research is a general explanation about the trajectory of Stanislavski to his encounter with the physical action, while, highlights the inconsistencies of understanding of his work around the world. Stanislavski initially developed the "method" having as a backdrop, the realist aesthetic - a dialogue relationship between reality and the scene - through a style which creates a theatrical reality, and consequently, artistic, not literally naturalistic way through an integral mimicry. That is, the representation of work in realistic theater aesthetics should be developed in order to create a theatrical reality. Stanislavski believes that theater is convention, since the actor's work on himself should encourage this second nature, scenic.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-04-01T19:39:20Z No. of bitstreams: 1 AdsonJoseMartinsVale_DISSERT.pdf: 14003565 bytes, checksum: c871eb04fc62efb93ff0f97e88496f17 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-04-07T19:49:49Z (GMT) No. of bitstreams: 1 AdsonJoseMartinsVale_DISSERT.pdf: 14003565 bytes, checksum: c871eb04fc62efb93ff0f97e88496f17 (MD5) / Made available in DSpace on 2016-04-07T19:49:49Z (GMT). No. of bitstreams: 1 AdsonJoseMartinsVale_DISSERT.pdf: 14003565 bytes, checksum: c871eb04fc62efb93ff0f97e88496f17 (MD5) Previous issue date: 2015-04-24 / Para a atua??o em urg?ncias, ? importante que os profissionais de sa?de desenvolvam habilidades espec?ficas e diferenciadas, partindo do planejamento da capacita??o em urg?ncia. Assim, os cursos de medicina e enfermagem devem favorecer o desenvolvimento dessas habilidades e avali?-las atrav?s de v?rios instrumentos direcionados para os diversos dom?nios. O objetivo do presente estudo foi implementar um componente curricular optativo e interprofissional, voltado para a educa??o interprofissional em urg?ncia pr?-hospitalar para os cursos de medicina e enfermagem da Universidade Federal do Rio Grande do Norte (UFRN). Trata-se de um estudo descritivo explorat?rio, com 24 discentes de medicina do internato e de enfermagem do est?gio supervisionado, que realizaram est?gio te?rico-pr?tico no atendimento de urg?ncias pr?- hospitalares. Foram realizadas aulas semanais te?rico-pr?ticas por um semestre letivo, ministradas por m?dicos e enfermeiros do Atendimento Pr?- Hospitalar (APH), cujos temas abordados foram: suporte b?sico de vida (SBV), suporte avan?ado de vida (SAV), transporte seguro em urg?ncias cl?nicas, traum?ticas, gineco-obst?tricas, pedi?tricas e psiqui?tricas, al?m de terem sido realizadas atividades pr?ticas em ambul?ncias. Os discentes foram avaliados por pr?-teste, p?s-teste e esta??es pr?ticas realizadas atrav?s do Objective Structured Clinical Evaluation (OSCE), no Laborat?rio de Habilidades do Centro de Ci?ncias da Sa?de. Durante as atividades, os alunos foram estimulados ao racioc?nio cr?tico-reflexivo, ressaltando a import?ncia da integra??o entre os diversos profissionais de assist?ncia ? sa?de. Observou-se que 88% dos alunos apresentaram aumento de escore em rela??o ao pr?-teste. Na avalia??o do processo realizada pelos estudantes de medicina e enfermagem da UFRN, foram apresentadas expectativas semelhantes ? rela??o com as habilidades essenciais adquiridas durante a atividade de forma??o. Al?m de contribuir para organizar esta??es pr?ticas, identificando habilidades cl?nicas b?sicas, e implementando instrumentos de avalia??o para discente da UFRN, os resultados do presente estudo servir?o de base para organiza??o da atividade de forma??o interprofissional em urg?ncia pr?-hospitalar do curso m?dico e de enfermagem. / To acting in emergencies it is important that health professionals develop specific and differentiated skills, which shows us the importance of training in emergency planning. So undergraduate courses in medicine and nursing should encourage the development of these skills and evaluate them through various instruments targeted to the different fields. The aim of this study was to implement an optional and interprofessional curricular component, focusing on interprofessional education in pre-hospital emergency for medical and nursing courses Federal University of Rio Grande do Norte (UFRN). This is an exploratory descriptive study, with 24 medical and nursing graduates of last year undergraduate of supervised training, who underwent theoretical and practical training in the care of pre-hospital emergency services. There were theoretical and practical lessons per week for one school semester, taught by doctors and nurses of the Emergency Medical Service (EMS), where the topics discussed were: basic and advanced life support, safe transport in clinical emergencies, trauma, gynecological, obstetric, pediatric and psychiatric diseases, and have been carried out practical activities in ambulances. The students were evaluated by pre-test, post-test and practical stations made through the Objective Structured Clinical Evaluation (OSCE), in the skills laboratory of the Health Sciences Center. During the activities the students were encouraged to critical and reflective thinking, highlighting the importance of integration between the various health care professionals. It was observed that 88% of the students had a score increase over the pre-test. In the evaluation process carried out by medical students and nursing UFRN have similar expectations regarding the essential skills acquired during the training activity. The results of this study will form the basis for the organization of interprofessional education activity in pre-hospital emergency medical students and nursing, as well as helped to organize practices stations, identifying basic clinical skills, and implementing student assessment tools UFRN.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-04-15T21:41:00Z No. of bitstreams: 1 DianaAlineNogaMoraisFerreira_DISSERT.pdf: 1601671 bytes, checksum: 0d50d44c04af4da6c6dd76cda2792325 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-04-20T00:00:50Z (GMT) No. of bitstreams: 1 DianaAlineNogaMoraisFerreira_DISSERT.pdf: 1601671 bytes, checksum: 0d50d44c04af4da6c6dd76cda2792325 (MD5) / Made available in DSpace on 2016-04-20T00:00:50Z (GMT). No. of bitstreams: 1 DianaAlineNogaMoraisFerreira_DISSERT.pdf: 1601671 bytes, checksum: 0d50d44c04af4da6c6dd76cda2792325 (MD5) Previous issue date: 2015-05-11 / A epilepsia ? uma patologia cr?nica do sistema nervoso central que afeta cerca de 65 milh?es de indiv?duos no mundo. Aproximadamente 30% desses indiv?duos desenvolvem crises convulsivas que persistem apesar do tratamento monitorado com drogas antiepil?ptica s. Assim, h? uma evidente necessidade do desenvolvimento de novos f?rmacos antiepil?pticos e as pe?onhas podem ser uma excelente fonte de modelos. Nesse contexto, enquanto j? v?rios estudos sobre pe?onhas de serpentes, escorpi?es e aranhas, pouco se sabe s obre as pe?onhas de formigas. Estudos pr?vios do nosso laborat?rio demonstraram que a pe?onha desnaturada da formiga Dinoponera quadr?ceps protegeu camundongos de crises convulsivas e morte induzidas por bicuculina (BIC). Nesse contexto, o objetivo desse t rabalho foi investigar o potencial anticonvulsivante de fra??es isoladas da pe?onha de D. quadr?ceps em crises convulsivas induzidas pela BIC, bem como uma an?lise dos efeitos dessas fra??es no comportamento natural dos camundongos no campo aberto. Os anim ais foram divididos em grupos, os quais receberam inje??es (1 mg/ml i.c.v.) de seis fra??es distintas e tiveram seu comportamento geral observado no campo aberto durante 3 0 min. No segundo experimento, o s animais receberam as mesmas fra??es 20 min antes da administra??o de bicuculina (10 mg/ml). Em seguida, foi analisado o comportamento motor convulsivo desses animais durante 30 minutos no campo aberto. No primeiro experimento, n?o foram observadas altera??es comportamentais. J? no segundo experimento, a ad ministra??o pr?via de DqTx1, DqTx3, DqTx4 e DqTx6 aumentou a lat?ncia para o desenvolvimento de crises t?nico - cl?nicas. Al?m disso, todas as fra??es, exceto DqTx5, aumentaram a lat?ncia para a morte dos animais. Ainda, os melhores resultados foram obtidos com a fra??o DqTx6, que protegeu 62,5% dos animais testados contra o desenvolvimento de crises t?nico - cl?nicas e 100% dos animais contra a morte.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-06-03T23:57:10Z No. of bitstreams: 1 RicardoAlexDantasDaCunha_DISSERT.pdf: 2552417 bytes, checksum: 6be84ef2bba0ca4028e0191c91836125 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-06-07T22:17:01Z (GMT) No. of bitstreams: 1 RicardoAlexDantasDaCunha_DISSERT.pdf: 2552417 bytes, checksum: 6be84ef2bba0ca4028e0191c91836125 (MD5) / Made available in DSpace on 2016-06-07T22:17:01Z (GMT). No. of bitstreams: 1 RicardoAlexDantasDaCunha_DISSERT.pdf: 2552417 bytes, checksum: 6be84ef2bba0ca4028e0191c91836125 (MD5) Previous issue date: 2015-12-07 / Os materiais comp?sitos de matriz polim?rica v?m sendo utilizados em larga escala nas ?reas industriais tais como aeroespacial, automobil?stica, petrol?fera, por apresentarem um bom desempenho mec?nico, vida ?til elevada e uma rela??o custo/benef?cio. A determina??o das propriedades mec?nicas se faz indispens?vel para a caracteriza??o dos comp?sitos. Desta forma, neste trabalho ser?o obtidas tr?s placas de laminados com matriz polim?rica teraft?lica, refor?ados por um tecido bidirecional de vidro-E e kevlar, ambos confeccionados industrialmente, onde as placas ser?o fabricadas pelo processo de lamina??o manual (Hand lay up). Todos os laminados ter?o cinco camadas de refor?o,como primeiro laminado h?brido sendo composto pelo tecido bidirecional de fibra de vidro-E, intercalado por camadas de fibra kevlar, o segundo ? formado pelo tecido bidirecional de fibra kevlar nas extremidades do laminado (duas camadas), e no centro o tecido de fibra de vidro (tr?s camadas), a terceira placa foi composta apenas pelo tecido bidirecional de fibra de vidro-E. Em seguida, foram confeccionados corpos de prova (CP) mediante norma, para determina??o das propriedades mec?nicas de tra??o e flex?o em tr?s pontos. Ap?s a fabrica??o dos corpos de prova, estes foram imersos em petr?leo e em ?gua do mar. Feito isso, realizou-se um comparativo das propriedades mec?nicas para a condi??o de ensaio no estado seco. Houve um aumento consider?vel nas propriedades estudadas devido o efeito da hibridiza??o nos laminados. / The polymer matrix composite materials are being used on a large scale in the most different industrial fields such as aerospace, automotive, oil, among others, since the industrial perspectives is currently working with materials which have a good mechanical performance at high service life and cost / benefit. Thus, the determination of the mechanical properties is indispensable for the characterization of waste resulting in greater expansion of this type of material. Thus, this work will be obtained three plates laminated with tereft?lica polymeric matrix reinforced by a bidirectional woven E-glass and kevlar both industrially made, where the plates are manufactured by manual lamination process (hand lay-up), all laminates have five enhancement layers, the first hybrid laminate will consist of bidirectional woven E-glass fiber, kevlar fiber interspersed with layers, is formed by the second bidirectional woven kevlar fiber at the ends of the laminate (two layers), and in the center the glass fiber fabric (three layers), the third plate is composed of only the bidirectional woven E-glass fiber. Then were prepared specimens (CP) by standard, to determine the mechanical properties of tensile and bending in three points. After fabrication of the specimens, they were immersed in oil and seawater. After that, there was a comparison of the mechanical properties for the test condition in the dry state. Showing that there was a considerable increase in the properties studied because the effect of hybridization in laminates.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-06-14T19:47:40Z No. of bitstreams: 1 MariaCarolinaLugaroIzuibejeres_DISSERT.pdf: 1688362 bytes, checksum: c0f1079b41d31f05fe21912a25809dfd (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-06-15T21:33:38Z (GMT) No. of bitstreams: 1 MariaCarolinaLugaroIzuibejeres_DISSERT.pdf: 1688362 bytes, checksum: c0f1079b41d31f05fe21912a25809dfd (MD5) / Made available in DSpace on 2016-06-15T21:33:38Z (GMT). No. of bitstreams: 1 MariaCarolinaLugaroIzuibejeres_DISSERT.pdf: 1688362 bytes, checksum: c0f1079b41d31f05fe21912a25809dfd (MD5) Previous issue date: 2015-08-26 / Os Par?metros Curriculares Nacionais de L?ngua Estrangeira orientam para um ensino de l?nguas que tenha como objetivo a comunica??o lingu?stica e intercultural de modo a contribuir com a forma??o reflexiva dos alunos. Com esse fim foi realizado um Interc?mbio Virtual unindo lugares t?o distantes como C?rdoba, na Argentina, e Natal no Brasil, entre alunos de Ensino M?dio de dois col?gios de C?rdoba e um de Natal, atrav?s da plataforma Moodle e do Facebook. O interc?mbio teve sua origem nas diretrizes da Intercompreens?o em L?nguas Rom?nicas (IC), no caso entre o portugu?s e o espanhol, no qual cada aluno se comunica na sua pr?pria l?ngua e faz um esfor?o para entender a do outro em um processo colaborativo que transcende os limites do puramente lingu?stico, fazendo com que o aluno perceba a sua realidade perante a diferen?a. Este estudo qualitativo de cunho etnogr?fico busca conhecer em que medida a aplica??o de projetos diferenciados aumenta o interesse dos alunos pela l?ngua estudada. Procuramos, tamb?m, desenvolver a compet?ncia intercultural de nossos jovens e promover o respeito por culturas diferentes. Em se tratando de alunos argentinos e brasileiros, tentamos promover uma reflex?o sobre as representa??es sociais e procurando destruir estere?tipos existentes entre as duas sociedades. Como recursos metodol?gicos, utilizamos entrevistas, question?rios e atividades de intercompreens?o durante o projeto, al?m da observa??o participante das intera??es entre os alunos de ambos os pa?ses. Acreditamos estar contribuindo para a forma??o integral do aluno como cidad?o cr?tico e reflexivo da sua postura perante o mundo, o que deve ser um dos objetivos da educa??o formal segundo os Par?metros Curriculares Nacionais. Nossa fundamenta??o te?rica baseia-se na Intercompreens?o de L?nguas Rom?nicas (IC) como did?tica do plurilinguismo, (JAMET E SPI?? 2010; ARA?JO E S? et al., 2003; CAPUCHO, 2010; ANDRADE et al., 2003), em algumas teorias sobre interculturalidae e identidade (Vallespir, 1999; DUARTE & SANCHES, 2004; REVUZ, 1998; SILVA, 2000; CHAU? 2006; SERRANI-INFANTE 1998), de motiva??o e aprendizagem de L2 (DECI & RYAN, 1985; D?RNYEI e OTT?, 1998; D?RNYEI, 2000, 2001; 2011) e na Teoria da Aprendizagem Significativa (AUSUBEL, 1968). Nossos resultados mostram um aumento na motiva??o dos alunos nas aulas de espanhol quando em contato com a l?ngua alvo atrav?s de atividades din?micas em um contexto de IC. Al?m disso, percebemos que a reflex?o sobre a cultura dos argentinos auxiliou na desconstru??o de representa??es culturais pr?- existentes. Palavras-chave: Interc?mbio virtual. Intercompreens?o de l?nguas rom?nicas. Interculturalidade. Motiva??o. Portugu?s. Espanhol. / The official documents that guide the teaching and learning process of a Foreign Language in Brazil, Par?metros Curriculares Nacionais de L?ngua Estrangeira, suggest a linguistic and intercultural communication as the main objective of teaching a foreign language inorderto contribute withareflexive formation of the students.Toachieve this goal, a Virtual Interchange was realized connecting distant places like C?rdoba, in Argentina, and Natal in Brazil, between High School students through Moodle platform and Facebook. The Interchange is based in the Intercomprehension in Romance Languages(IC) guidelines, inthiscase between Portuguese and Spanish, according to which every student speaks their own language and makes an effort to comprehend the others througha collaborative process thatgo es beyond the limits of mere linguistic objectives and favors the students? reality acceptance before the diversity. This qualitative study with thno graphic characteristic stries to know whe ther differentiate projects can increase students? interest to learn the target language. It was also set as an aim of this study to develop the intercultural competence of our students and foster the respect for different cultures. In the case of Argentinian and Brazilian students, wetried to promote reflection about social representation trying to destroy stereotypes between both groups. As methodological resources, we used interviews, questionnaires and intercomprehension activities during the Project, as well as a participant observation of the interactions betweenthe students of both countries.Webe lieve tobe contributing towards the integral formation ofth student asacriticalcitizenthatthinksa bouttheir posture before the world, which is one of the formal education aims according to Par?metros Curriculares Nacionais. Our theoretical foundation is based on Intercomprehension in Romance Languages (IC) as a plurilingualism didactics, (JAMET AND SPI?? 2010; ARA?JO AND S? et al., 2003; CAPUCHO, 2010; ANDRADE etal.,2003), some the oriesaboutinter culturalisman didentity(Vallespir, 1999;DUARTE&SANCHES,2004; REVUZ,1998;SILVA,2000;CHAU?2006; SERRANI-INFANTE 1998), motivation and second language learning (DECI & RYAN, 1985; D?RNYEI AND OTT?, 1998; D?RNYEI, 2000, 2001; 2011) and Significant Learning Theory (AUSUBEL, 1968). The results show an increase of students? motivation when in contact with the target language through dynamic activities in an IC context. Moreover, we noticed that a deeper thinking aboutthe Argentinian culture helped to deconstruct previous cultural representation.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-20T21:46:40Z No. of bitstreams: 1 RafaelaLuizPereiraSantos_TESE.pdf: 5717758 bytes, checksum: 765e67dde7c80007f582df680380b1c9 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-07-21T19:39:57Z (GMT) No. of bitstreams: 1 RafaelaLuizPereiraSantos_TESE.pdf: 5717758 bytes, checksum: 765e67dde7c80007f582df680380b1c9 (MD5) / Made available in DSpace on 2016-07-21T19:39:57Z (GMT). No. of bitstreams: 1 RafaelaLuizPereiraSantos_TESE.pdf: 5717758 bytes, checksum: 765e67dde7c80007f582df680380b1c9 (MD5) Previous issue date: 2016-01-22 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / All-ceramic restorations have been widely used as aesthetic standard in nowadays dentistry, to replace the tooth structure (appearance and function). However, failures associated with chipping and delamination of the veneering porcelain from zirconia substructure still high when compared to metal-ceramic systems. This study aimed address these problems by improving the mechanical strength of veneering porcelain and by improving its adhesion to zirconia substrate. First, the addition of a stronger ceramic second phase (zirconia particles) to feldspathic porcelain was studied. This study began with the preliminary characterization of zirconia synthesized by Complex Polymerization Method (CPM) and commercial zirconia. It was found that the synthesized zirconia did not show improved properties when compared to commercial zirconia. Commercial zirconia powders were thus used thereafter. The influence of the type of powder (pre-sintered or agglomerated) in the mechanical properties and wear of porcelain composites (20vol.%) was evaluated. The pre-sintered powders increased the mechanical strength and wear of the composites compared to agglomerated powders. Then, it was determined the amount of second phase (0-50vol.%) that maximizes the mechanical properties of the porcelain-zirconia composites. It was concluded that the composites with 30vol.% of zirconia showed the best results for wear and flexural strength (198.5MPa). Finally, it was evaluated the influence of the type of surface treatment (sandblasting or holes) and the deposition of a composite interlayer (porcelain reinforced with 30vol.% of zirconia), on the zirconia surface, on the bond strength between the veneering porcelain and the zirconia substructure. The highest bond strength values were found for specimens having simultaneously holes on the surface of zirconia and the composite interlayer between the zirconia substructure and the veneering porcelain (138 ? 19MPa). It was demonstrated that the correct configuration of the interface between the zirconia substructure and the veneering porcelain can lead to all-ceramic restorations with enhanced mechanical strength and improved clinical performance. / Materiais comp?sitos restauradores representam um dos mais bem sucedidos biomateriais na pesquisa moderna, na substitui??o do tecido biol?gico em apar?ncia e fun??o. Nesta linha, a porcelana feldsp?tica tem sido largamente usada em odontologia devido suas interessantes qualidades como estabilidade de cor, propriedades est?ticas, elevada durabilidade mec?nica, biocompatibilidade, baixa condutividade t?rmica e elevada resist?ncia ao desgaste. Entretanto, este material ? fr?gil e pode falhar em ambiente oral devido ao micro-vazamento, baixa resist?ncia ? tra??o, descolagem ou fratura. Assim, para melhorar as propriedades mec?nicas da porcelana, a zirc?nia parcialmente estabilizada com ?tria (Y-TZP) pode ser uma boa alternativa para fortalecer e produzir infraestruturas totalmente cer?micas (coroas e pr?teses parciais fixas). Portanto, este estudo tem por objetivo avaliar as propriedades mec?nicas e caracter?sticas microestruturais da porcelana refor?ada com zirc?nia (3Y-TZP) em diferentes conte?dos e as vari?veis que afetam as propriedades mec?nicas destes materiais. O estudo de caracteriza??o revelou que a zirc?nia comercial apresenta melhores resultados quando comparada com a zirc?nia sintetizada pelo CPM. Assim, os estudos seguintes utilizaram a zirc?nia comercial para todos os testes requeridos. As part?culas de zirc?nia apresentam elevadas propriedades mec?nicas quando comparadas a zirc?nia aglomerada. Os diferentes conte?dos revelam que as propriedades mec?nicas dos comp?sitos aumentam com o aumento do conte?do volum?trico at? 30% vol.% (198,5Mpa), ou seja, maior resist?ncia ? flex?o quando comparada com os outros comp?sitos. Do mesmo modo, a resist?ncia ao desgaste para os comp?sitos com (30%, vol.% de zirc?nia) apresenta valores superiores quando comparado aos demais comp?sitos. Na ades?o cer?mico-cer?mico a porcelana exibe elevada ades?o para a superf?cie de zirc?nia porosa quando comparada a superf?cie rugosa. Os furos superficiais (PZ) e aplica??o de comp?sitos com camada intermedi?ria (RZI) na zirc?nia causam separadamente uma melhoria da resist?ncia ao cisalhamento da zirc?nia-porcelana quando comparados as amostras convencionais de zirc?nia-porcelana (RZ), embora n?o sejam estatisticamente significativas (p>0.05). A presen?a de uma camada intermediaria produz um aumento significativo na for?a de liga??o (~55%) em rela??o as amostras convencionais (RZ). Portanto, a correta a correta configura??o e tratamento superficial podem produzir subestruturas com qualidade e for?a de liga??o adequadas aos requisitos odontol?gicos.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T23:14:34Z No. of bitstreams: 1 AngelicaLopesCordeiroMandu_DISSERT.pdf: 8297335 bytes, checksum: a571100e33585465a7dd9329c7047ab6 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-04T20:58:54Z (GMT) No. of bitstreams: 1 AngelicaLopesCordeiroMandu_DISSERT.pdf: 8297335 bytes, checksum: a571100e33585465a7dd9329c7047ab6 (MD5) / Made available in DSpace on 2016-08-04T20:58:54Z (GMT). No. of bitstreams: 1 AngelicaLopesCordeiroMandu_DISSERT.pdf: 8297335 bytes, checksum: a571100e33585465a7dd9329c7047ab6 (MD5) Previous issue date: 2016-02-18 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / Os nevos melanoc?ticos (NMs) s?o prolifera??es benignas de c?lulas n?vicas, que podem serencontradas na pele e em mucosas de revestimento, incluindo a mucosa oral. Contudo, osNMs cut?neos s?o mais comuns, quando comparados os que acometem a mucosa oral. Osmecanismos moleculares envolvidos no desenvolvimento dos nevos e os fatores que podeminfluenciar no padr?o de migra??o das c?lulas n?vicas s?o pouco explorados. O objetivo destapesquisa foi analisar a express?o imuno-histoqu?mica das prote?nas E-caderina e Bcl-2 emNMs orais/cut?neos e relacion?-las com as caracter?sticas cl?nicas (sexo, idade, localiza??o,exposi??o ? radia??o solar) e tipos histopatol?gicos. Foram analisados 36 casos de NMs orais34 de NMs cut?neos. Foi utilizada a t?cnina de imuno-histoqu?mica das prote?nas E-caderinae bcl-2, na qual foram analisados a intensidade (fraca, intermedi?ria e forte) e distribui??o demarca??o (focal e difusa). A imunoexpress?o tamb?m foi analisada quanto aos tipos de c?lulasn?vicas (A, B e C). A an?lise estat?stica foi realizada atrav?s dos testes de Qui-Quadradode Pearson e Correla??o de Spearman com n?vel de signific?ncia estabelecido em 5%. Dos 70casos de NMs, 82,9% eram do sexo feminino, 48,6% com idade entre 26-50 anos, 60% eramda ra?a branca, 51,4% foram diagnosticados histopatologicamente como nevos intrad?rmicos/intramucosos e 80% eram NMs adquiridos. A express?o imuno-histoqu?mica da bcl2 e Ecaderinaforam vari?veis na amostra e n?o exibiram associa??o com os par?metros cl?nicos. Aexpress?o da bcl-2 e E-caderina foram vari?veis de acordo com os tipos de c?lulas n?vicas (A,B e C) (p=0,001). A express?o da bcl-2 foi mais difusa em NMs cong?nitos (p=0,002). A Ecaderinafoi positiva em 83,3% dos NMs <1cm (p=0,001) e em exibiu uma fraca marca??oem 73,9% dos NMs que se encontravam em ?reas expostas (p=0,010). Com base nestes resultados,sugere-se que a E-caderina tenha um controle na determina??o dos tipos histopatol?gicosdos NMs, e que a bcl-2 seja um poss?vel marcador de NMs com maior susceptibilidade aodesenvolvimento de les?es malignas. / Melanocytic nevi (MNs) are benign melanocytic proliferations of cells, which can be found in the skin and mucous coat, including the oral mucosa. However, skin NMs are more common when compared to those that affect the oral mucosa. The molecular mechanisms involved in the development of nevi and the factors that can influence the migration pattern of the nevus cells are little explored. The aim of this study was to analyze the immunohistochemical expression of E-cadherin protein and Bcl-2 in oral / skin NMs and relate them to the clinical characteristics (gender, age, location, exposure to solar radiation) and histopathological types. 36 cases of oral NMs and 34 Skin NMs were analyzed. The immunohistochemistry was used of the protein E-cadherin and bcl-2, which were analyzed the intensity (weak, moderate and strong) and distribution marking (diffuse and focal). The immunoreactivity also analyzed as to the types of nevus cells (epithelioid cells -A, -B lymphocyte and fibroblast-like -C). Statistical analysis was performed using the chi-square tests of Pearson and Spearman correlation with significance level set at 5%. Of the 70 cases of NMs, 82.9% were female, 48.6% aged 26-50 years, 51.4% were diagnosed histologically as intradermal / intramucosal nevi and 80% were NMs acquired. Immunohistochemical expression of BCL2 and E-cadherin were variables in the sample and showed no association with clinical parameters. The expression of bcl-2 and E-cadherin were variable according to the types of nevus cells (A, B and C) (P = 0.001). The expression of bcl-2 was more diffuse in congenital MNs (p = 0.002). E-cadherin was positive in 83.3% of MNs <1cm (p = 0.001) and exhibited weak staining in 73.9% of MNs that were in exposed areas (p = 0.010). Based on these results, it is suggested that the E-cadherin has a modulating effect on the migratory properties of NMs, and bcl-2 is a marker of MNs with increased proliferative capacity.

Made available in DSpace on 2014-12-17T14:57:55Z (GMT). No. of bitstreams: 1 EduardoGR_TESE.pdf: 4595986 bytes, checksum: 7a13884531d20feb0680378f1e5403df (MD5) Previous issue date: 2011-10-11 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / Ceramics with porous cellular structure, called ceramic foams, have a potential use in several applications, such as: thermal insulation, catalyst supports, filters, and others. Among these techniques to obtain porous ceramics the replication method is an important process. This method consists of impregnation of a sponge (usually polymer) with ceramic slurry, followed by a heat treatment, which will happen the decomposition of organic material and sintering the ceramic material, resulting in a ceramic structure which is a replica of impregnated sponge. Knowledge of the mechanical properties of these ceramics is important for these materials can be used commercially. Gibson and Ashby developed a mathematical model to describe the mechanical behavior of cellular solids. This model wasn?t for describing the ceramics behavior produced by the replica method, because it doesn?t consider the defects from this type of processing. In this study were researched mechanical behavior of porous alumina ceramics obtained by the replica method and proposed modifications to the model of Gibson and Ashby to accommodate this material. The polymer sponge used in processing was characterized by thermogravimetric analysis and scanning electron microscopy. The materials obtained after sintering were characterized by mechanical strength tests on 4-point bending and compression, density and porosity and by scanning electron microscopy. From these results it was evaluated the mechanical strength behavior compared to Gibson and Ashby model for solid cellular structure and was proposed a correction of this model through a factor related to struts integrity degree, which consider fissures present in the structure of these materials besides defects geometry within the struts / Cer?micas com estrutura celular porosa, denominadas espumas cer?micas, possuem o potencial de utiliza??o em uma vasta gama de aplica??es, tais como: isolamento t?rmico, suporte catal?tico, filtros, dentre outras. Dentre as t?cnicas para obten??o destas cer?micas porosas podemos destacar o m?todo da r?plica. Este m?todo consiste na impregna??o de uma esponja (geralmente polim?rica) com uma barbotina cer?mica, seguindo-se um tratamento t?rmico, onde ocorrer? a decomposi??o do material org?nico e sinteriza??o do material cer?mico, resultando em uma cer?mica cuja estrutura ? uma r?plica da esponja impregnada. O conhecimento das propriedades mec?nicas destas cer?micas ? importante para que estas possam ser utilizadas comercialmente. Gibson e Ashby desenvolveram um modelo matem?tico para descrever o comportamento mec?nico de s?lidos celulares, por?m este modelo n?o se mostrou satisfat?rio para descrever o comportamento das cer?micas obtidas pelo m?todo da r?plica, pois o mesmo n?o leva em considera??o os defeitos provenientes deste tipo de processamento. Neste trabalho estudou-se o comportamento mec?nico de cer?micas porosas de alumina obtidas pelo m?todo da r?plica, e a partir desta an?lise se prop?s modifica??es no modelo de Gibson e Ashby para se adequar a este material. A esponja polim?rica utilizada no processamento foi caracterizada atrav?s de an?lise termogravim?trica e microscopia eletr?nica de varredura. Os materiais obtidos ap?s sinteriza??o foram caracterizados atrav?s de testes de resist?ncia mec?nica, tens?o de ruptura ? flex?o (4 pontos) e compress?o, densidade, porosidade e por fim, an?lise microsc?pica por microscopia eletr?nica de varredura. A partir destes resultados avaliou-se o comportamento da resist?ncia mec?nica em compara??o ao modelo de Gibson e Ashby para s?lidos com estrutura celular e foi proposta uma corre??o deste modelo atrav?s de um fator relacionado com o grau de integridade dos filamentos, que considera as trincas presentes na estrutura destes materiais, al?m da geometria dos defeitos no interior dos filamentos