Dissertações: Recent submissions

  • ALVES, Daniel da Cruz; http://lattes.cnpq.br/5359935077469239 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-03-13)
    In this work, a study of the photoconductivity effect was carried out on two PbTe single quantum well samples, p-type, 10 and 20 nm grown on a BaF2 substrate. Photoconduction measurements were carried out in a temperature ...
  • MARQUES, Bárbara Luiza de Miranda; http://lattes.cnpq.br/8252593637622853 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-08-10)
    In this work, four planetary nebulae (PNe) were studied through the analysis of integral field spectroscopy (IFS) data, obtained in one of the four telescopes that form the Very Large Telescope (VLT, European Southern ...
  • FERREIRA JUNIOR, Alexsandre Leite; http://lattes.cnpq.br/0375563373339784 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-08-31)
  • WELERSON, Camila Coelho; http://lattes.cnpq.br/8904861951110827 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-03-12)
    Brazil has faced one of the biggest water crises in recent years as a result of extreme hydrological and meteorological events. An irregularity of rain events has a recorded effect or water balance in the hydrographic ...
  • YAMAMOTO, Ana Letícia Campos; http://lattes.cnpq.br/5847887434505220 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-02-19)
    The ultraviolet radiation (UVR) influences life on Earth and its monitoring is relevant and necessary for studies on different areas of knowledge. UVR modelling by radiative transfer models (RTM) is always an alternative ...
  • MONTEIRO, Ana Flávia Martins; http://lattes.cnpq.br/0021634564216343 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-02-17)
    Reference evapotranspiration (ETo) has spatial and temporal variation, due to the performance of meteorological systems, vegetation type and soil properties. It is an essential parameter for planning irrigation systems ...
  • RODRIGUES, Maria Alice Machado; http://lattes.cnpq.br/5694950523212269 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2021-02-23)
    The precipitation is one of the main meteorological variables, which has a fundamental role on human (social and economic) and environmental development in the world. Given its importance, this study has the main goal to ...
  • SILVA, Hellen Luisa de Castro e; http://lattes.cnpq.br/905933861801659 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-09-17)
    Anaerobic digestion represents a strategic treatment method to high generation of manure by swine, generating biogas, a type of renewable fuel and an organic substrate. However, the high variability of methane and cost ...
  • GORGULHO, Ana Cristina Magalhães Araújo; http://lattes.cnpq.br/5674700200347380 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-04-17)
    The growing demand for electricity in Brazil and the intensification of the discussion about the preservation of the environment makes the research of means of electricity generation with low environmental impact always ...
  • RODRIGUES, Igor Duarte; http://lattes.cnpq.br/2620112695676766 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2021-02-26)
    Autism Spectrum Disorder (ASD) is an age- and sex-related lifelong neurodevelopmental disorder characterized primarily by social impairments. Current ASD prevalence indicates that 1/59 children are diagnosed inside the ...
  • COSTA, Juliana Fernandes; http://lattes.cnpq.br/7847390055499457 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Educação em CiênciasUNIFEI, 2021-02-26)
    One of the strategies that have been used in higher education for its modernization are active methodologies. Unlike traditional teaching, they seek a more active role for students during the educational process. Thus, ...
  • BASTOS, Guilherme Sousa; http://lattes.cnpq.br/1508015681115848 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-12-09)
    This dissertation of Master's degree has as main objective to develop an intelligent method of load distribution among machines (generating groups) of hydroelectric power plants in way to maximize the global efficiency ...
  • OLIM, João Silvio Semolini; http://lattes.cnpq.br/2533442778250855 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-08-24)
    This study explores different scenarios for the Brazilian Pre-Salt oil production and its associated impact in the Brazilian petroleum market. For the retrospective analysis, two alternative scenarios show how important ...
  • SOUZA, Edson da Silva; http://lattes.cnpq.br/6770097931033324 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2021-02-22)
    In this work we propose the development of new models of two and three fields coupled scalar real supporting BPS solutions (Bogomolnyi-Prasad-Sommerfield). For this purpose, we will use the recently proposed method, known ...
  • ARAÚJO, Saulo Alves de; http://lattes.cnpq.br/8717132736971220 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2021-03-01)
    The problem of secant defectivity consists in studying the dimension of the h-secant variety of an algebraic variety. We say that an algebraic variety is h-defective when its h-secant variety does not have the expected ...
  • BUCCI, Maria Elisa Diniz; http://lattes.cnpq.br/0924337999079122 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2021-02-23)
    The present work aimed to investigate the influence of urban vegetation as a modulator of responses to exposure to urban noise, through the development of three manuscripts. Manuscript 1 sought to investigate the efficiency ...
  • FLORENCIO, Gabriel Wilson Lorena; http://lattes.cnpq.br/1824671052565008 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2021-02-19)
    The climate projections indicate an increase in air temperature and changes in rainfall patterns throughout the Brazilian territory, which may impact the cultivation of forest species. Thus, it becomes important to conduct ...
  • TRINDADE, Aline Bhering; http://lattes.cnpq.br/5541924225733765 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-10-08)
    Life Cycle Assessment (LCA) is a methodology that allows the quantification of potential environmental and social impacts of products, processes or activities by providing the indicators that allow the assessment of ...
  • ASSAHI, Flavio Yuji; http://lattes.cnpq.br/1500882627339662 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado Profissional - Engenharia de MateriaisUNIFEI, 2020-12-11)
    Duplex stainless steels (AID), which have a biphasic microstructure with approximately equal proportions of ferrite and austenite, are widely used in high performance components for the gas, nuclear, chemical, and paper ...
  • HENAO, Nelson Caldéron; http://lattes.cnpq.br/4899263554626131 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-03-03)
    This thesis includes the feasibility study, technical and economical, of a new power generation system that combines two technologies: Gas Microturbines GMT and Biomass Gasifiers. The response of a microturbine to gas with ...