34 resultados para Aspect-oriented middleware reference architecture
Resumo:
Tese de Doutoramento em Arquitectura / Cultura Arquitectónica.
Resumo:
Dissertação de mestrado integrado em Arquitectura
Resumo:
Dissertação de mestrado integrado em Engenharia Eletrónica Industrial e de Computadores
Resumo:
Dissertação de mestrado integrado em Engenharia Biomédica (área de especialização em Engenharia Clínica)
Resumo:
Tese de Doutoramento em Engenharia Biomédica.
Resumo:
Tese de Doutoramento em Estudos da Criança (Especialidade em Educação Musical)
Resumo:
Programa Doutoral em Engenharia Biomédica
Resumo:
Poly(dimethylsiloxane) (PDMS) is an organosilicon polymer widely used in the fabrication of microfluidic systems to integrate biochips. In this study, we propose the use of an adapted PDMS mould for the creation of a miniaturized, reusable, reference electrode for in-chip electrochemical measurements. Through its integrated microfluidic system it is possible to replenish internal buffer solutions, unclog critical junctions and treat the electrode’s surface, assuring a long term reuse of the same device. Planar Ag/AgCl reference electrodes were microfabricated over a passivated p-type Silicon Wafer. The PDMS mould, containing an integrated microfluidic system, was fabricated based on patterned SU-8 mould, which includes a lateral horizontal inlet access point. Surface oxidation was used for irreversible permanent bondage between flat surfaces. The final result was planar Ag/AgCl reference electrode with integrated microfluidic that allows for electrochemical analysis in biochips
Resumo:
In this paper, Isopropanol (IPA) availability during the anisotropic etching of silicon in Potassium Hydroxide (KOH) solutions was investigated. Squares of 8 to 40 m were patterned to (100) oriented silicon wafers through DWL (Direct Writing Laser) photolithography. The wet etching process was performed inside an open HDPE (High Density Polyethylene) flask with ultrasonic agitation. IPA volume and evaporation was studied in a dynamic etching process, and subsequent influence on the silicon etching was inspected. For the tested conditions, evaporation rates for water vapor and IPA were determined as approximately 0.0417 mL/min and 0.175 mL/min, respectively. Results demonstrate that IPA availability, and not concentration, plays an important role in the definition of the final structure. Transversal SEM (Scanning Electron Microscopy) analysis demonstrates a correlation between microloading effects (as a consequence of structure spacing) and the angle formed towards the (100) plane.
Resumo:
Dissertação de mestrado integrado in Civil Engineering
Resumo:
Publicado em "Journal of tissue engineering and regenerative medicine". Vol. 8, suppl. s1 (2014)
Resumo:
Dissertação de mestrado em Geografia (área de especialização em Planeamento e Gestão do Território)
Resumo:
Dissertação de Mestrado (Programa Doutoral em Informática)
Resumo:
Dissertação de mestrado em Educação Especial (área de especialização em Intervenção Precoce)
Resumo:
La viabilidad de los cibermedios y los modelos de negocio que la sustenten son ya un tema clásico de la literatura académica y profesional en el ámbito del periodismo electrónico. Consideramos relevante examinar las estrategias de ingresos orientadas al consumidor de los cibermedios españoles en un contexto de madurez de la prensa digital que contrasta con la aguda crisis económica que vive en estos momentos el país. Las conclusiones de nuestro estudio señalan la convivencia de dos modelos de negocio diametralmente distintos entre los cibermedios más vistos y de referencia en Internet en España y el establecimiento de estrategias de ‘suma de valor’ en aquellos cibermedios que han establecido sistemas de pago por consumo de contenidos.