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45 articles for “L. F. Dias”
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Research ArticleOpen accessIn the author namesAn Intelligent Control System for an Electrically Power Assisted Cycle (EPAC)Venura Subuddhika Chandraprabha Dissanayake, Risira Erantha Kannangara, Muthukudaarachchige Uvindu Bigumjith Dias et al.This paper is focused on proposing an enhanced controller for a hybrid drive mechanism in an Electrically Power Assisted Cycle (EPAC) to improve the battery energy utilization while maintaining the rider’s physical comfort. A real time data acquisition system was set up on a conventional bicycle using sensors and interfacing modules to verify the operating parameters. A fuzzy logic based … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 2 · 4 Jun 2018 · 8,356 accessesView PDFCite
Research ArticleOpen accessIn the author namesOptical and Structure Analysis of ZnO:Al FilmNeilo Marcos Trindade, Michel Chaves, José Roberto Ribeiro Bortoleto et al.ZnO and ZnO:Al are wide-bandgap semiconductors which have many applications, mainly as transparent conducting films. Thin films of these compounds were deposited onto glass and silicon substrates by RF magnetron sputtering for the investigation of structural and optical characteristics. The XRD results show that the films present wurtzite structure. The formation of a polycrystalline film having a preferential crystallographic orientation … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 4 · 5 Oct 2017 · 7,862 accessesView PDFCite
Research ArticleOpen accessIn the author namesNitrifying, Denitrifying and Heterotrophic Biomass Present in Moving Bed-ReactorAndreliza Carolina Del Grossi Oliveira, Camila Zoe Correa, Kátia Valéria Marques Cardoso Prates, Deize Dias LopesThis study was carried out to evaluate the main bacterial communities related to the removal of nitrogen in a moving bed-reactor treating landfill leachate, relating the physico-chemical parameters with the existence of these organisms in the mixed liquor (non-attached microorganisms) and Support Material (SM). The system was operated in two phases: Phase I (without effluent recirculation) and II (with recirculation, … …American Journal of Environmental Sciences, Vol. 13, Issue 1 · 25 Jan 2017 · 7,633 accessesView PDFCite
Research ArticleOpen accessIn the author namesSpread Foundations on Rigid Inclusions Subjected to Complex Loading: Comparison of 3D Numerical and Simplified Analytical ModellingDaniel Dias, Bruno SimonThis paper relates results of a large number of 3D numerical models of a single spread footing over a soil reinforced by four rigid inclusions and submitted to a large set of complex loading. This numerical study using the FLAC 3D software was done under funding of the ASIRI research project in an aim to support appropriate guidelines for design … …American Journal of Applied Sciences, Vol. 12, Issue 8 · 12 Sep 2015 · 6,850 accessesView PDFCite
InvestigationOpen accessIn the author namesEffects of Recombinant Toxin Phospholipase D in Cardiac Muscle of RatsJoao Victor Capelli Peixoto, Fernando Augusto Lavezzo Dias, Carlos Estevan Nolf Damiani et al.Loxoceles spiders gender are worldwide spread and its bites can cause dermonecrosis or even a systemic effect (hemolysis, kidney and liver injury). It is believed that phospholipase D, the main component present in the venom, could be responsible for the injury. In this study, we used a recombinant form of phospholipase D (rLiD1) and evaluated its direct and systemic effects … …American Journal of Pharmacology and Toxicology, Vol. 10, Issue 1 · 2 Jun 2015 · 6,959 accessesView PDFCite
Research ArticleOpen accessIn the author namesANTIBACTERIAL ACTIVITY EVALUATION OF 15 EUCALYPTUS SPECIES ESSENTIAL OILS AGAINST CLINICALLY RELEVANT PATHOGENIC BACTERIADias C., V. Pereira, M.C.B.M. De Vasconcelos et al.This study aims to evaluate the potential of 15 Eucalyptus species essential oils as alternatives to clinical surface disinfectants with known association to antibiotic resistance. Four reference pathogenic bacteria were tested: Pseudomonas aeruginosa (ATCC10145), Escherichia coli (CECT434), Staphylococcus aureus (CECT976) and Listeria monocytogenes (ATCC15313). Gram-positive bacteria revealed higher sensitivity than Gram-negative. Essential oils from E. bosistoana, E. botryoides, E. camaldulensis, … …Current Research in Microbiology, Vol. 5, Issue 2 · 22 Apr 2015 · 7,924 accessesView PDFCite
Case ReportOpen accessIn the author namesNew World Mucocutaneous Leishmaniasis with Oral Manifestations: Case Report and Damage RepairManuel Antonio Gordón-Núñez, Stefânia Jeronimo Ferreira, Ana Luiza Dias Leite de Andrade et al.New World cutaneous leishmaniasis is an infectious and parasitic disease caused by protozoan species of the genus Leishmania. The disease is transmitted by the biteoffemaleinsects of the genus Lutzomyia and is endemic in some countries of the New World, including Bolivia, Peru and Brazil. The diagnosis of New World mucocutaneous leishmaniasis encompasses epidemiological, clinical and laboratory aspects. Usually, the combination … …American Journal of Infectious Diseases, Vol. 10, Issue 4 · 20 Feb 2015 · 7,013 accessesView PDFCite
Research ArticleOpen accessIn the author namesKey Factors in the Face Stability Analysis of Shallow TunnelsDaniel Dias, Pierpaolo OresteStability of the excavation face in shallow tunnels and in poor ground is at present a relevant problem in tunnelling. A new calculation procedure is illustrated in this study for the analysis of the effect on the face stability in shallow tunnels of the following key factors: pre-support structures, presence of groundwater, free length of the tunnel (length of the … …American Journal of Applied Sciences, Vol. 10, Issue 9 · 24 Aug 2013 · 7,022 accessesView PDFCite
Research ArticleOpen accessIn the author names3D Modelling for Mechanized Tunnelling in Soft Ground-Influence of the Constitutive ModelNgoc-Anh Do, Daniel Dias, Pierpaolo Oreste, Irini Djeran-MaigreThe main purpose of this study was to provide a three-dimensional numerical model which would allow to show the influence of the constitutive model of the ground on the tunnel lining behaviour and displacement field surrounding the tunnel. Most of the processes that occur during mechanized excavation have been simulated in this model. Besides the well-known elastic linear perfectly plastic … …American Journal of Applied Sciences, Vol. 10, Issue 8 · 24 Jul 2013 · 8,377 accessesView PDFCite
Research ArticleOpen accessIn the author namesFatty Acid Content of Bovine Milkfat From Raw Milk to YoghurtO. O. Santos Júnior, M. R. Pedrão, L. F. Dias et al.Problem statement: The present study aimed to study the evolution of fatty acid content, focusing on rumenic acid content, from raw milk to yoghurt processed from this milk. Approach: Milk samples were collected in a dairy plant in the northwest of Paraná State weekly in January 2011 (Brazilian summer). It processed one truck load of 26,000 L of refrigerated type-C … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 7 Jul 2012 · 7,886 accessesView PDFCite