Core Walls
Mostrando 1-12 de 36 artigos, teses e dissertações.
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1. Studies on thermal and viscoelastic properties of vinyl ester resin and its composites with glass fiber
Vinyl ester resins are widely used in sandwich composite structures. Because of their good resistance to chemicals, flexibility and easy processing, these sandwich are extensively applied in the marine sector. These composites are typically manufactured by liquid molding processes, especially infusion. In this study, RTM light was used to inject the polymeri
Matéria (Rio J.). Publicado em: 2015-03
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2. Dossiê Itamaracá: cotidiano e resistência dos presos políticos da Penitenciária Barreto Campelo, na Ilha de Itamaracá-PE (1973-1979)
The core issue of this Masters dissertation is the resistance experience socialized in the daily life of the political prisoners at the Barreto Campelo prison on Itamaracá Island, in the state of Pernambuco, from 1973 to 1979, during the civil-military dictatorship in Brazil. By means of Oral History, the analysis of a rich document and photo archive belong
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/10/2012
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3. Experimentação física do escoamento gás-líquido em uma coluna de bolhas retangular utilizando a técnica PIV e a técnica de sombras SHADOW / Gas- liquid experimentation in a rectangular bubble column using PIV and Shadow techniques
Bubble columns are multiphase contact devices for mass and heat transfer, wich are intensively used in different industrial areas. Flow and turbulence in these equipments are induced by the bubble rise motion. The hydrodynamics and bubble behavior in a homogeneous bubbly flow regime was analyzed in a rectangular laboratory-scale bubble column (50 x 20 x 220
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/07/2012
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4. Influência da limpeza mecânica com e sem o uso do microscópio operatório na resistência adesiva intrarradicular / Influence of mechanical cleaning with and without the use of the operating microscope in intraradicular adhesive strength
In endodontic treatment, there is an imperative need to restore the tooth, reestablishing its functions, since there is always a risk of recontamination of the root canal system and fractures. These risks are higher when there is loss of dental structure, requiring intraradicular posts to hold the restoration procedures in place. For the definitive and immed
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/02/2012
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5. Avaliação da customização por desgaste de pinos pré-fabricados de fibra de vidro / Evaluation of fibre posts submitted to customization of the apical portion
The purpose of this study was to evaluate fibre posts (White Post DC/FGM) submitted to customization of the apical portion. Experiment 1: 5 #4 posts were divided into five groups (G) and submitted to different custom adaptation treatments: GA no surface treatment, GB- industrial shaping tool (Dentsply), GC- #3195 fine diamond bur (KG Sorensen), GD- medium-gr
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/01/2012
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6. Crise da pessoa e a crise da educação: um estudo na perspectiva personalista de Emmanuel Mounier / Crisis of the person and the education crisis: a study from the perspective of personalist Emmanuel Mounier
This thesis has as main purpose to study Emmanuel Mouniers personalist thought as shown in his Oeuvres edited by Paulette Mounier in four volumes, published by Editions du Seuil from 1961 to 1963. The personalism is a movement with a wide philosophic renews and has the person as its core. In this manner, the study of being a person has its implications on Ed
Publicado em: 2010
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7. DEVELOPMENT OF A GYPSUM COMPOSITES AND DUST COCONUT FIBER. / DESENVOLVIMENTO DE COMPÓSITOS A BASE DE GESSO E PÓ DE FIBRAS DE COCO
The uses of renewable materials, as well as the reduction, reuse and recycling of the residues indicates the search for technological alternatives for sustainable development. In this context are the materials used in building. For the plaster is the building the largest market, because its use from the core products, and also from the first constructive ste
Publicado em: 2010
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8. Numerical simulation of secondary flow in pneumatic conveying of solid particles in a horizontal circular pipe
Under certain conditions, a fully developed turbulent flow in a straight pipe may show a secondary flow; for instance, when non-circular cross-section or non-uniform wall roughness around the perimeter of the duct are considered. In horizontal pipe particle-laden gas flow, the non-uniform forcing of the flow by the solids entrained in the gas core may also d
Brazilian Journal of Chemical Engineering. Publicado em: 2009-09
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9. REDUÇÃO DE ATRITO EM ESCOAMENTO LAMINAR POR LUBRIFICAÇÃO DE PAREDE COM RANHURAS / DRAG REDUCTION IN LAMINAR FLOW BY LUBRICATION OF GROOVED WALLS
Objetivo: Uma parte significativa das reservas mundiais de petróleo é encontrada na forma de óleos pesados. Estes óleos pesados possuem alta viscosidade de 100 - 10000 cP, que torna seu transporte altamente complexo e custoso. Vários métodos foram desenvolvidos para reduzir a perda de carga de escoamentos laminares de óleos de alta viscosidade. Entre
Publicado em: 2009
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10. Desenvolvimento de uma formulação cólon específica visando o tratamento da colite ulcerativa
Micro and nanoparticulate systems as drug delivery carriers have achieved successful therapeutic use by enhancing efficacy and reducing toxicity of potent drugs. The improvement of pharmaceutical grade polymers has allowed the development of such therapeutic systems. Microencapsulation is a process in which very thin coatings of inert natural or synthetic po
Publicado em: 2009
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11. MAGNETOIMPEDÂNCIA COMO FERRAMENTA PARA A CARACTERIZAÇÃO MAGNÉTICA DE MICROFIOS AMORFOS / MAGNETOIMPEDANCE AS A TOOL TO INVESTIGATE THE MAGNETIC PROPERTIES OF MICROWIRES
The possibility of exploring the magnetic properties of amorphous microwires in technological applications has attracted the attention of the scientific community in the last years. Beyond, the magnetoimpedance effect has been established as a powerful tool to study these properties. In this work we show a study of the magnetic properties of Joule heated gla
Publicado em: 2006
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12. Anatomical studies of Forsteronia G.Mey. (Apocynaceae) species of cerrado / Estudos anatomicos em especies de Forsteronia G.Mey. (Apocynaceae) de cerrado
The leaf anatomy of four cerrado species of Forsteronia was investigated in order to determine characters that could help to identify individuals collected in vegetative stage. Eleven characters, two macromorphological and nine anatomical, were surveyed and are useful to differ F. australis from F. glabrescens and F. pubescens from F. thyrsoidea. Domatia and
Publicado em: 2006