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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

La perception des infirmières et des infirmiers de l'Initiative ami des bébés

Lemay, Chantal January 2009 (has links)
Le but de la présente étude est de documenter, à partir d'une approche ethnographique, la perception des infirmières de l'implantation d'un programme de protection, de promotion et de soutien de l'allaitement maternel connu sous le nom d'Initiative ami des bébés ou IAB. L'objectif spécifique visé est de décrire les pratiques, les connaissances, les croyances, les attitudes, les ressentis et l'environnement des infirmières en lien avec ce programme. L'échantillon est constitué de 12 infirmières qui travaillent à une unité mère-enfant ainsi que de trois autres infirmières impliquées dans la démarche d'implantation de l'IAB. La collecte de données s'est effectuée à l'aide d'une entrevue individuelle, semi dirigée, enregistrée en version audio numérique.Le guide d'entrevue, explorant les dimensions culturelles à l'étude, a été construit à partir de la littérature, des connaissances de l'équipe de recherche et du point de vue d'expertes en périnatalité et en ethnographie. Les données ont fait l'objet d'un codage thématique à l'aide d'une grille d'analyse évolutive, suivi d'une mise en relation et d'une schématisation. Les résultats indiquent que les participantes adaptent leurs interventions en fonction de l'état physiologique ou psychologique"ici et maintenant" de la dyade mère-enfant. Selon les participantes, les pratiques de l'IAB augmentent leur charge de travail et celles-ci provoquent la culpabilité et le découragement de certaines mères. Les participantes connaissent de façon sommaire les principes qui sous-tendent l'implantation de l'IAB et elles croient que l'application rigide de ces recommandations n'est pas possible et peut même aller à l'encontre des besoins de certaines dyades mère-enfant. Les participantes démontrent une attitude de scepticisme face aux fondements scientifiques et à la démarche IAB. Elles expriment d'ailleurs des ressentis négatifs, tels que de la frustration, du découragement et de la démotivation face à l'IAB surtout à cause de sa rigidité et des contraintes imposées par l'application des recommandations. Enfin, les participantes décrivent leur environnement de travail comme étant peu favorable à l'implantation de l'IAB. Les résultats de l'étude contribuent au développement du savoir relatif aux soins en périnatalité puisqu'ils permettent une meilleure compréhension des éléments qui sous-tendent les pratiques infirmières. De plus, ces résultats peuvent aussi aider à identifier les éléments mobilisateurs qui doivent être considérés lors du développement de stratégies visant l'amélioration des soins infirmiers. Enfin, nous croyons que le portrait brossé peut aussi servir à procurer une ouverture au dialogue entre les infirmières et les infirmiers qui vivent quotidiennement les recommandations de l'IAB et les gestionnaires responsables de son implantation.
2

Edifício dos arquitetos da Bahia

Mendes, Alan Henrique Quintella 12 July 2013 (has links)
Submitted by Rodrigo Baeta (rodrigobaeta@yahoo.com.br) on 2016-12-22T16:47:45Z No. of bitstreams: 1 01. Trabalho Final Alan Quintela.pdf: 62545254 bytes, checksum: ba20c2492a17d4a9aa862dbbe678ac82 (MD5) / Made available in DSpace on 2016-12-22T16:47:45Z (GMT). No. of bitstreams: 1 01. Trabalho Final Alan Quintela.pdf: 62545254 bytes, checksum: ba20c2492a17d4a9aa862dbbe678ac82 (MD5) / Fundação de Apoio à Pesquisa do Estado da Bahia - FAPESB / O trabalho se fundamentou na elaboração do projeto de restauração do prédio dos arquitetos, em Salvador, BA, Sede do IAB BA. Para isso, foi efetivada uma pesquisa rigorosa sobre a história do projeto, da construção e das alterações do edifício, bem como um cadastro de sua situação atual - cotejando com seu projeto original -, diagnóstico tecnológico e finalmente o projeto de intervenção.
3

Evaluation of Live-Load Distribution Factors (LLDFs) of Next Beam Bridges

Singh, Abhijeet Kumar 01 January 2012 (has links) (PDF)
A new precast-prestressed cross section was recently developed by a consortium of engineers from the six New England states, New York and members of the northeast region of PCI. The northeast extreme Tee (NEXT) beam is efficient for medium Bridge spans (50 to 80 ft long). Field formwork savings are introduced by having a flange cast integrally during fabrication of the beams at the precasting plant. Job safety is increased because a working platform is created. The flange width of the NEXT Beams can be adjusted during fabrication to accommodate roadways of different widths and skew angles. Because the section is new with complexity in its shape, the present design guidance cannot be used to evaluate LLDFs for NEXT beams within the context of the AASHTO LRFD. In particular, the use of live-load distribution factors (LLDFs) equations in LRFD for NEXT beams is not straightforward. The distance between the beam webs is variable depending on whether it is measured within a beam module or between adjacent modules. In absence of detailed information a PCI technical committee evaluated LLDFs (through AASHTO 2010 Bridge specification) for the NEXT beams used in the Brimfield Bridge by two different approaches and found one of them conservative. The conservative approach was single stem which uses the average spacing (between webs ([S1+S3]/2)) for use in the LLDF equations.. The committee expressed concerns about whether trends of LLDFs would be similar for other parametric sets, and would like to standardize the methodology for the Bridge projects in Massachusetts with NEXT beam as the girder. To verify the conservativeness of single stem methodology (for the evaluation of LLDFs) for other parameters this research project was initiated. LLDFs are evaluated based on the two approaches and compared with the LLDFs obtained through finite element modeling. The results of 40-3D finite element models have been used to compare the LLDFs obtained from AASHTO 2010 Bridge design specification. The results were also used to compare different parameters that affect LLDFs of NEXT beams including span, skew angle, and beam end fixity. The finite element models were created using a Bridge prototype that is being instrumented for future field verification of the analyses. The models were created using frame elements for the beams and shell elements for the cast in place deck. The integral abutment and foundation of the Bridges was included in the models in which piles are created using frame elements and abutments are created using shell elements. The results indicate that the approach taken for the design of NEXT beams is in general conservative for interior girders of the Bridge. On the contrary such the adopted approach was not yielding the higher value of LLDFs. The variation in strains due to losses are compared by two methods (strains variation obtained from field data and strain variation obtained based on AASHTO equation of losses) to verify the AASHTO equation of losses.
4

Dynamic Routing and Load Balancing Techniques for Integrated Access and Backhaul Network / Dynamisk Dirigering och Lastbalansering Tekniker för Integrerad Åtkomst och Backhaul Nätverk

Liang, Yung-Chin January 2020 (has links)
Mobile networks have rapidly evolved over decades, and have arrived at the fifth generation (5G) system in recent years. From 2019, companies started to bring 5G networks into business, providing higher data rates, lower latency, and larger network capacity to the world. One of the main advancements in 5G network systems is the use of millimetre waves for wireless transmission. This not only grants higher throughput with wide bandwidth but also introduces new challenges to the radio access networks in 5G systems. To tackle the challenges, a new type of network, which is called the Integrated Access and Backhaul (IAB) network, has been proposed as a deployment solution for 5G cellular networks. In this work, we investigate the routing mechanism of an IAB network and propose a novel load balancing algorithm that can be applied to the IAB network for improvement in throughput as well as load distribution. We extend the work from previous studies on IAB networks and evaluate the performance of the proposed algorithm in comparison to previous work. Through radio network simulations, we find that the shortest path routing outperforms a greedy algorithm in terms of path selection in the network and that the proposed algorithm achieves load balancing among the network, combined with an improvement in the user throughput. Finally, we conclude our work and suggest directions for future work in the study of IAB networks. / Mobilnäten har utvecklats snabbt de senaste decennierna och är nu framme vid femte generationens system (5G). Under 2019 började telekomföretag lansera 5G-nätverk, med högre datahastigheter, lägre fördröjningar och högre nätverkskapacitet. Ett av de största framstegen inom 5G-nätverkssystem är användningen av millimetervågor för trådlös överföring. Detta ger högre datahastigheter och större bandbredd, men leder också till nya utmaningar för radioaccessnätverket. För att hantera några av dessa har en ny typ av nätverk, kallat Integrated Access and Backhaul (IAB) föreslagits. I det här arbetet undersöker vi routingmekanismer för ett IAB-nätverk och föreslår en ny lastbalanseringsalgoritm som kan användas för att förbättra såväl genomströmning som lastfördelning. Arbetet är en utvidgning av tidigare studier av IAB-nätverk och jämför prestanda för den nya algoritmen med tidigare förslag. Genom simuleringar har vi funnit att shortest path routing överträffar en ”greedy” algoritm när det gäller vägval i nätverket och att den föreslagna algoritmen uppnår såväl lastbalansering som förbättrad genomströmning. Avslutningsvis ges förlag till fortsatt arbete inom studiet av IAB-nätverk.
5

O papel do drawback nas exportações brasileiras no período de 1997 a 2007 : um estudo de caso da Indústria Aeronáutica Brasileira

Maria Ribeiro Aragão, Roberta 31 January 2008 (has links)
Made available in DSpace on 2014-06-12T17:17:53Z (GMT). No. of bitstreams: 2 arquivo3662_1.pdf: 2644610 bytes, checksum: 30c5d71c8a5d5190c7d249d9171bf2af (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2008 / Esta dissertação analisa a utilização do regime aduaneiro especial de Drawback nas exportações brasileiras, no período de 1997 a 2007, apresentando um estudo de caso da Indústria Aeronáutica Brasileira - IAB. Para essa análise foram utilizados os dados das exportações e importações do Drawback, dos outros principais regimes aduaneiros especiais e dos maiores setores beneficiários do Drawback. Foi definido um índice denominado de benefício-custo para determinar se a utilização do Drawback na IAB apresenta retornos significativos em relação à geração de divisas, tendo em vista os altos valores de renúncia fiscal apresentados pelo setor aeronáutico, a partir de 2001. O resultado apresentou um benefício insatisfatório para a balança comercial brasileira em relação ao custo dos impostos que deixaram de ser recolhidos. No entanto, foram analisados outros ganhos em relação à utilização do Drawback pela IAB, tais como soberania, prestígio, competitividade e inovação tecnológica para o país
6

Controle de propriedades de filmes finos de óxido de alumínio através da assistência de feixe iônico / Controlling aluminum oxide thin films properties through ion beam assistance.

Santos, Thales Borrely dos 28 April 2017 (has links)
Este trabalho tem por objetivo a caracterização de filmes finos de óxido de alumínio produzidos por deposição assistida por feixe de íons Ar+. Tal caracterização consiste em estabelecer a relação entre os parâmetros de produção (energia do feixe e uxo relativo de Ar), a composição e a estrutura dos lmes. Para tanto, utiliza-se técnicas de microscopia de força atômica, difração de raios-x, reetividade de raios-x e análise por feixe iônico. Resultados mostram que amostras produzidas à temperatura ambiente e à 450 oC são amorfas independentemente da energia do feixe iônico. Filmes formados com assistência de feixe possuem qualidade superior àqueles formados por deposição física de vapor. O bombardeamento de íons Ar+ mostra-se capaz de controlar a concentração de hidrogênio, a estequiometria, a rugosidade, o tamanho dos grãos e a densidade dos lmes nos. Amostras com excelente qualidade baixa rugosidade, estequiometria próxima da ideal e boa densidade foram produzidas utilizando íons com energia dentre 300 eV e 600 eV. / The scope of this work is the characterization of aluminum oxide thin films produced by Ar+ ion beam assisted deposition. This characterization consists in establishing the relationship between production parameters (ion beam energy and argon relative ux), structure and composition of these lms. In order to undertake this task, the following techniques were used: atomic force microscopy, x-ray diraction, x-ray reectivity and ion beam analysis. Results show that samples produced at room temperature and at 450 oC are amorphous regardless the ion beam energy. Films grown under ion assistance have better characteristics than the ones deposited by physical vapor deposition. The ion beam bombardment is capable of controlling hydrogen concentration, stoichiometry, roughness, grain size and density of alumina samples. High quality lms at surface and increased density lms with near ideal stoichiometry were produced with 300 eV and 600 eV ion beam energy.
7

Controle de propriedades de filmes finos de óxido de alumínio através da assistência de feixe iônico / Controlling aluminum oxide thin films properties through ion beam assistance.

Thales Borrely dos Santos 28 April 2017 (has links)
Este trabalho tem por objetivo a caracterização de filmes finos de óxido de alumínio produzidos por deposição assistida por feixe de íons Ar+. Tal caracterização consiste em estabelecer a relação entre os parâmetros de produção (energia do feixe e uxo relativo de Ar), a composição e a estrutura dos lmes. Para tanto, utiliza-se técnicas de microscopia de força atômica, difração de raios-x, reetividade de raios-x e análise por feixe iônico. Resultados mostram que amostras produzidas à temperatura ambiente e à 450 oC são amorfas independentemente da energia do feixe iônico. Filmes formados com assistência de feixe possuem qualidade superior àqueles formados por deposição física de vapor. O bombardeamento de íons Ar+ mostra-se capaz de controlar a concentração de hidrogênio, a estequiometria, a rugosidade, o tamanho dos grãos e a densidade dos lmes nos. Amostras com excelente qualidade baixa rugosidade, estequiometria próxima da ideal e boa densidade foram produzidas utilizando íons com energia dentre 300 eV e 600 eV. / The scope of this work is the characterization of aluminum oxide thin films produced by Ar+ ion beam assisted deposition. This characterization consists in establishing the relationship between production parameters (ion beam energy and argon relative ux), structure and composition of these lms. In order to undertake this task, the following techniques were used: atomic force microscopy, x-ray diraction, x-ray reectivity and ion beam analysis. Results show that samples produced at room temperature and at 450 oC are amorphous regardless the ion beam energy. Films grown under ion assistance have better characteristics than the ones deposited by physical vapor deposition. The ion beam bombardment is capable of controlling hydrogen concentration, stoichiometry, roughness, grain size and density of alumina samples. High quality lms at surface and increased density lms with near ideal stoichiometry were produced with 300 eV and 600 eV ion beam energy.
8

Role of Bb-elicited IL-10 in Suppression of Innate Immune Responses within Murine Skin Tissue

Moledina, Muhammed Saad Abdul Aziz 05 September 2019 (has links)
No description available.
9

Arquitetura e engajamento: o IAB, o debate profissional e suas arenas transnacionais (1920-1970) / Architecture and social engagement: the Institute of Architects of Brazil, the professional debate and its transnational arenas (1920-1970)

Dedecca, Paula Gorenstein 29 November 2018 (has links)
Essa tese tem como objeto de estudo a história do Instituto de Arquitetos do Brasil entre 1920 e 1970, buscando compreender o lugar que a entidade ocupou no meio profissional brasileiro e as redes institucionais de diálogo que teceu em âmbito nacional e internacional ao longo do período. Com isso, pretende discutir seu papel para a construção coletiva de uma nova sociabilidade profissional, para o estabelecimento de laços efetivos de troca e para a elaboração, afirmação e difusão de ideários e práticas arquitetônicas e urbanísticas. A narrativa foi organizada em três capítulos, sobrepostos em seu recorte cronológico, que buscam pensar essas tramas institucionais costuradas pelo IAB em seus distintos alcances: nacional, americano e global, respectivamente. / This thesis aims to study the history of the Institute of Architects of Brazil between 1920 and 1970, trying to understand the place that the entity occupied in the Brazilian professional circles and the institutional networks of dialogue that developed at national and international level throughout the period. It intends to discuss the Institute\'s role for the collective construction of a new professional network, for the establishment of effective communication ties and for the creation, assertion and diffusion of architectonic and urbanistic ideas and practices. The narrative was organized in three chapters with a common chronological boundary, striving to analyze these networks built by the IAB in their different scopes: national, American and global, respectively.
10

Sociabilidade, crítica e posição: o meio arquitetônico, as revistas especializadas e o debate do moderno em São Paulo(1945-1965) / Sociability, criticism and position: the architectonic environment, the specialized magazines and the modern discussion in São Paulo (1945-1965)

Dedecca, Paula Gorenstein 07 May 2012 (has links)
Esta dissertação pretende discutir a unidade e a pluralidade no meio arquitetônico paulista, a partir de suas redes de sociabilidade, espaços de profissionalização e movimentações críticas, tendo como material primário as revistas especializadas publicadas na cidade no período de 1945 a 1965. Trata-se de percorrer a dupla direção das relações entre um grupo intelectual - uma parcela de arquitetos atuantes na cidade - e suas manifestações, procurando traçar o espaço particular no qual se desenvolveram parte de seus laços profissionais, de suas trocas culturais e ideológicas, e de seus posicionamentos projetuais. Operando na intersecção entre espaço urbano, organizações culturais, instituições profissionais e acadêmicas, o primeiro capítulo procura traçar as redes de sociabilidade dos arquitetos em São Paulo. O segundo capítulo busca percorrer os meandros da crítica paulista - suas aproximações, desarticulações, rupturas e deslocamentos críticos - a partir de seus diálogos internos e dos diversos olhares lançados sobre a arquitetura contemporânea no Brasil, principalmente aquela produzida no Rio de Janeiro. Por fim, o terceiro capítulo é uma tentativa de aproximação das interlocuções projetuais entre os arquitetos locais através da análise de alguns dos concursos de arquitetura realizados em São Paulo no período e que encontraram eco nas revistas de arquitetura locais. / This work intends to discuss the unity and plurality of the architectonic environment of São Paulo, through their social networks, professional spaces and critical movements, using as primary source some specialized magazines, published in the city between 1945 and 1965. The study will investigate the relationship between an intellectual group - a parcel of architects working in São Paulo - and its manifestations, seeking to understand the particular space in which some of its professional ties, cultural and ideological exchanges, and projetual attitudes were developed. The first chapter seeks to outline the social networks of those architects, through the intersection of urban space, cultural, professional and academic institutions. The second chapter studies the local criticism - their intellectual approaches, disarticulations, fractures and dislocations - across their inner dialogues and their different looks launched on Brazilian contemporary architecture, especially the one produced in Rio de Janeiro. Finally, the third chapter aims to approach the projectual dialogues between the local architects through the analysis of some architectural competition held in São Paulo in the period and that found an echo in local architecture magazines.

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