Sistema de divulgação dos serviços e produtos da Porto Santo Line na plataforma Android

A Porto Santo Line é a empresa responsável pela ligação marítima entre as ilhas Madeira e Porto Santo, oferecendo, para além do transporte, um conjunto de serviços e produtos que estão associado à sua actividade principal. A sua base de clientes inclui não só os residentes de ambas as ilhas, mas também muitos dos turistas que visitam o arquipélago. O posicionamento desta empresa no mercado é feito das formas tradicionais, onde se inclui uma rede de balcões e um site através do qual os clientes podem aceder aos produtos e serviços que constitui a oferta da Porto Santo Line. Num esforço de reforçar a sua presença no mercado e de intensificar a sua aposta na inovação, a empresa tem procurado encontrar novas formas e novos canais para chegar aos seus clientes. Este projecto visa dotar a Porto Santo Line de uma aplicação que estenda a sua presença no mercado, oferecendo aos seus clientes a possibilidade de aceder aos seus produtos e serviços através de equipamentos móveis. Este relatório documenta a realização deste projecto, dando principal enfase ao processo adoptado, assim como ao desenho do sistema e sua avaliação. Procurou-se igualmente evidenciar ao longo do relatório, as considerações mais relevantes na elaboração de um projecto com estas características.

Relationship of black layer and milk line development on maize seed maturity

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Fontes de metionina em rações formuladas com base em aminoácidos totais ou digestíveis para frangas de reposição leves e semipesadas

Foram conduzidos dois experimentos com o objetivo de avaliar a utilização de duas fontes de metionina (em pó ou líquida) em rações formuladas com base em aminoácidos digestíveis ou totais para frangas de reposição leves e semipesadas, nas fases inicial (de 1 a 6 semanas de idade) e de crescimento (de 11 a 16 semanas de idade). em cada experimento, foram utilizadas 384 aves distribuídas em delineamento inteiramente ao acaso, em esquema fatorial 2 × 2 × 2, composto de duas linhagens (Hy-Line W36 e Hy-Line Brown), duas fontes de metionina (HMTBA - 88% e DL-Metionina - 99%) e dois critérios de formulação da dieta (aminoácidos totais e digestíveis), totalizando oito tratamentos, cada um com seis repetições de oito aves. Foram avaliados os consumos de ração, proteína bruta e energia metabolizável, o peso e ganho de peso corporal e a conversão alimentar das aves. Não houve interação entre os fatores para nenhuma das variáveis estudadas. As aves da linhagem Brown apresentaram maior consumo de ração, peso corporal e ganho de peso. As fontes de metionina e os critérios de formulação de ração não influenciaram as características de desempenho. As aves das linhagens W36 e Brown da linhagem Hy-Line apresentam diferentes perfis de desenvolvimento corporal. A metionina em pó (DL-metionina - 99%) ou a líquida (HMTBA - 88%), assim como os critérios de formulação de ração (aminoácidos totais ou digestíveis) proporcionam desempenho semelhante em aves de reposição.

Um algoritmo para estimação de estado em alimentadores de distribuição de energia elétrica com base no método da soma de potências

Most algorithms for state estimation based on the classical model are just adequate for use in transmission networks. Few algorithms were developed specifically for distribution systems, probably because of the little amount of data available in real time. Most overhead feeders possess just current and voltage measurements at the middle voltage bus-bar at the substation. In this way, classical algorithms are of difficult implementation, even considering off-line acquired data as pseudo-measurements. However, the necessity of automating the operation of distribution networks, mainly in regard to the selectivity of protection systems, as well to implement possibilities of load transfer maneuvers, is changing the network planning policy. In this way, some equipments incorporating telemetry and command modules have been installed in order to improve operational features, and so increasing the amount of measurement data available in real-time in the System Operation Center (SOC). This encourages the development of a state estimator model, involving real-time information and pseudo-measurements of loads, that are built from typical power factors and utilization factors (demand factors) of distribution transformers. This work reports about the development of a new state estimation method, specific for radial distribution systems. The main algorithm of the method is based on the power summation load flow. The estimation is carried out piecewise, section by section of the feeder, going from the substation to the terminal nodes. For each section, a measurement model is built, resulting in a nonlinear overdetermined equations set, whose solution is achieved by the Gaussian normal equation. The estimated variables of a section are used as pseudo-measurements for the next section. In general, a measurement set for a generic section consists of pseudo-measurements of power flows and nodal voltages obtained from the previous section or measurements in real-time, if they exist -, besides pseudomeasurements of injected powers for the power summations, whose functions are the load flow equations, assuming that the network can be represented by its single-phase equivalent. The great advantage of the algorithm is its simplicity and low computational effort. Moreover, the algorithm is very efficient, in regard to the accuracy of the estimated values. Besides the power summation state estimator, this work shows how other algorithms could be adapted to provide state estimation of middle voltage substations and networks, namely Schweppes method and an algorithm based on current proportionality, that is usually adopted for network planning tasks. Both estimators were implemented not only as alternatives for the proposed method, but also looking for getting results that give support for its validation. Once in most cases no power measurement is performed at beginning of the feeder and this is required for implementing the power summation estimations method, a new algorithm for estimating the network variables at the middle voltage bus-bar was also developed

Chave de identificação de espécies do estrato arbóreo da Mata Atlântica em Ubatuba (SP), com base em caracteres vegetativos

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Cytotoxicity of denture base resins: Effect of water bath and microwave postpolymerization heat treatments

Purpose: This study compared the effect of two postpolymerization heat treatments on the cytotoxicity of three denture base resins on L929 cells using 3H-thymidine incorporation and MTT assays. Materials and Methods: Sample disks of Lucitone 550, QC 20, and Acron MC resins were fabricated under aseptic conditions and stored in distilled water at 37°C for 48 hours. Specimens were then divided into three groups: (1) heat treated in microwave oven for 3 minutes at 500 W; (2) heat treated in water bath at 55°C for 60 minutes; and (3) no heat treatment. Eluates were prepared by placing three disks into a sterile glass vial with 9 mL of Eagle's medium and incubating at 37°C for 24 hours. The cytotoxic effect from the eluates was evaluated using the 3H-thymidine incorporation and MTT assays, which reflect DNA synthesis levels and cell metabolism, respectively. Results: The components leached from the resins were cytotoxic to L929 cells when 3H- thymidine incorporation assay was employed. In contrast, eluates from all resins revealed noncytotoxic effects as measured by MTT assay. For both MTT assay and 3H-thymidine incorporation, the heat treatments did not decrease the cytotoxicity of the materials tested. Conclusion: Resins were graded by 3H-thymidine incorporation assay as slightly cytotoxic and by MTT assay as noncytotoxic. Cytotoxicity of the denture base materials was not influenced by microwave or water bath heat treatment.

Quimioterapia à base de ciclofosfamida metronômica no tratamento de pacientes com câncer de próstata resistente à castração

Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB

Predição de dados espaciais e temporais: uma ferramenta on-line baseada em recursos georreferenciados

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

A interação do usuário com catálogos bibliográficos on-line: investigação a partir da Teoria Fundamentada

Pós-graduação em Ciência da Informação - FFC

Investigação da colaboração científica na temática de indexação em periódicos on-line em âmbito nacional

This research seeks to demonstrate the scientific collaboration in the field of Information Science, specifically in the thematic indexing, by analyzing the co-authors network, based on scientific collaboration in Brazilian journals online, according to CAPES. We selected six Brazilian journals online, namely: Ciência da Informação; Transinformação; Perspectivas da Ciência da Informação; Encontros BIBLI: Revista Eletrônica de Biblioteconomia e Ciência da Informação; DataGramaZero and Em Questão, totaling 25 articles. It was built in coauthorship network, using Pajek software in order to evaluate interactions between researchers and cohesion of the network by calculating its density.

Estudo das células primárias dentais, viabilidade celular e bioatividade de materiais á base de silicato de cálcio

Pós-graduação em Odontologia - FOAR

Análise do desempenho físico-mecânico de painéis compensados de Pinus sp. produzidos com adesivos aquosos a base de poliacetato de vinila e de homopolímero vinílico

This study aimed to evaluate the physico-mechanical performance of three PVA adhesive formulations according to the Brazilian standards for plywood testing and to evaluate the results with those presented in the technical literature and specified in normative documents. The study presents the production process of the panels, the obtaining of samples and, finally, the implementation of physico-mechanical characterization tests based on plywood Brazilian standards. For the panels production it was used a gramature of 120 g / m² and applied a pressure of 15 bars and two temperature combinations and pressing time for each adhesive. The commercial adhesives used were PVA 1810, PVA 1060 and Vinyltec 239. The physical tests conducted were thickness swelling, density, moisture content and water absorption. The mechanical tests were static flexion, for the determination of elasticity modulus (MOE) and rupture modulus (MOR), and shear in the glue line. Among the three formulations studied none showed good performance in the presence of water. However, other trials in the adhesive showed better results and closer to the commercially equivalent used, in the case the urea-formaldehyde, was the PVA 1810, that can be applied in non-structural uses and in environments without the presence of moisture

Propriedades físico-químicas e mecânicas, potencial bioativo e caracterização da interface dentina-cimento de cimentos endodônticos experimentais à base de cimento Portland associados à radiopacificadores micro e nanoparticulados

Pós-graduação em Odontologia - FOAR

Desenvolvimento de um sistema on line de avaliação para análise do desempenho escolar: um estudo exploratório sobre avaliação em rede

Pós-graduação em Educação Escolar - FCLAR

Efeito citotóxico de agentes clareadores a base de peróxido de hidrogênio a 20% e 38% sobre células odontoblastóides

The aim of this in vitro study was to evaluate the trans-enamel and transdentinal cytotoxic effects of two in-office tooth bleaching techniques that employ bleaching gels containing 20% and 38% of H2 O2 on cultured odontoblast-like cell line (MDPC-23). Sixty enamel/dentin discs were obtained from bovine central incisors and placed individually in artificial pulp chambers. Six groups were formed according to the following enamel treatments: G1- 20% H2 O2 (1 application); G2- 20% H2 O2 (2 applications); G3- 38% H2 O2 (1 application); G4- 38% H2 O2 (2 applications); G5- 38% H2 O2 (3 applications); and G6- control (no treatment). In G1 and G2, the bleaching gel was left in contact with the enamel surface for 45 min in each application. However, in G3, G4, and G5 the bleaching gel was applied for only 10 min per application. After the last application, the extracts were collected and applied on previously cultured cells (30.000 cells/cm2 ) for 24 h. Cell metabolism was evaluated by the MTT assay and cell morphology was analysed by scanning electron microscopy. Cell metabolism decreased by 96.29%; 96.11%; 96.42%; 95.62%; and 97.18% in G1, G2, G3, G4, and G5, respectively. All treated groups differed significantly from non-treated control group (G6) (p < 0.05). However, the difference in cell metabolism among treated groups was not significant statistically. In addition, significant morphological cell alterations were observed in all treated groups. Under the tested experimental conditions, the extracts collected after both tooth bleaching techniques evaluated in this study caused severe toxic effects on cultured odontoblast-like cell MDPC-23.