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Estudo da técnica de rádio ocultação para sensoriamento remoto da atmosfera terrestre
(Universidade Federal de Santa Maria, 2021-02-17)
The technique of radio occultation signals from the global navigation satellite system (GNSS) allows obtaining information about the state of the Earth’s atmosphere through the acquisition of satellite position data, phase ...
Circuito para acionamento e controle do fluxo luminoso de LEDs aplicados em sistemas de iluminação circadiana
(2022-08-15)
This work presents some concepts associated with power electronics, filters, electronics, programming and control for the development of an integrated Buck-Boost Forward converter to drive LEDs (Light-Emitting Diodes) ...
Nova metodologia para a estimação da seção em falta em sistemas elétricos de potência com foco nos alarmes dos relés de distância e busca de seções isoladas
(Universidade Federal de Santa Maria, 2014-02-25)
This works proposes a novel methodology for Fault Section Estimation in Power Systems. This document describes a computational tool to assist operators of electrical system in decision-making, thus ensuring the reliability ...
Estudo da viabilidade de aplicabilidade de diferentes métodos de dimensionamento de pavimentos asfálticos e intertravados em um condomínio horizontal na cidade de Santa Maria/RS
(Universidade Federal de Santa Maria, 2022-08-15)
A pavement is caracterizes by a set of layers of finite thicknesses, which are intended to resis the demands generated by vehicle traffic. Among the types of coating are the interlocking blocks, concrete blocks that When ...
Integração do orçamento ao planejamento por linha de balanço: análise dos custos devido ao não cumprimento do cronograma de obra
(Universidade Federal de Santa Maria, 2022-08-17)
The systems typically used for cost management in civil construction have a major
deficiency, highlighting the difficulty of restructuring when the schedule-planning is
interrupted. As a result, there is a need to integrate ...
Detecção e degradação fotoquímica de acrilamida residual em água para consumo humano
(Universidade Federal de Santa Maria, 2015-03-25)
The acrylamide monomer is used mainly for the production of polyacrylamides, flocculation aids used in water supply systems. While its polymeric form does not pose health risks, the World Health Organization warns of the ...
Enrijecimento de geopolímeros a base de betacaulim: relações entre propriedades reológicas e parâmetros de síntese
(Universidade Federal de Santa Maria, 2022-08-22)
Geopolymers are a sustainable alternative to Ordinary Portland Cement (OPC). These
binders with a lower CO2 footprint are produced by alkaline activation of a source of
amorphous aluminosilicates. The geopolymers can ...
Avaliação do potencial fitoextrator de Hedychium Coronarium “J.Koenig” em pequena bacia degradada
(Universidade Federal de Santa Maria, 2020-10-27)
The availability of water in Brazil is one of the largest in the world. However, this distribution is not uniform, which results in water in insufficient quantity and quality to meet local needs, a fact that becomes more ...
Revisão bibliográfica: tratamento de efluentes oriundos de oficinas automotivas
(Universidade Federal de Santa Maria, 2020-10-29)
The analysis of the efficiency of the effluent treatment systems from automotive mechanics is important to determine the correct type of treatment to be used, in order to avoid possible contamination to the receiving bodies. ...
Avaliação catalítica de óxido de ferro suportado em zeólita mesoporosa em sistema foto-Fenton
(Universidade Federal de Santa Maria, 2016-03-08)
Due to the problems presented with the use of photo-Fenton homogeneous system, for the decomposition of recalcitrant organic compounds, several studies have been conducted in order to replace it with heterogeneous processes. ...