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Metodologia para reciclagem de resíduos sólidos industriais
(Universidade Federal de Minas GeraisUFMG, 2000-03-20)
This document presents the doctoral thesis - Methodcioav for Industrial Solid Wastes Recycling - a highly relevant subject at present. A literature review was performed concerning the definitions and concepts related to ...
Utilização de filme a base de blenda de polianilina e poli (álcool vinílico) com a finalidade de blindagem eletromagnética
(Universidade Federal de Minas GeraisUFMG, 2008-08-11)
The simultaneous increase of electromagnetic emissions in urban environments and of the embarked electronics leads to a necessity of higher protection to the signals processing central that controls the functions in the ...
Do aço ao minério: um novo modelo de avalição da oferta e demanda global e precificação de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2014-01-13)
The way that iron ore product prices are determined has changed drastically in the last few years. The industry is going through an adjustment period and the old benchmarks that used to determine prices are no longer ...
Desenvolvimento de um modelo de controle de processo para altos-fornos a coque aplicado a altos-fornos industriais
(Universidade Federal de Minas GeraisUFMG, 2016-08-30)
This work describes the development of a thermochemical model based on mass balance and thermal control for blast furnace. With this model can calculate operational indices of the blast furnace. These indices show the ...
Preparação e avaliação in vitro de nanofibras gelatina/policaprolactona com estrutura casca-núcleo obtidas por eletrofiação co-axial
(Universidade Federal de Minas GeraisUFMG, 2013-02-28)
In this study, nanofibers containing polycaprolactone (PCL) and gelatin were produced by electrospinning. The combination of these two polymers in a core-shell structure was achieved by using a coaxial electrospinning ...
Metodologia para escalonamento e simulação de moinho vertical
(Universidade Federal de Minas GeraisUFMG, 2012-12-06)
Currently, the mining industry professionals have discussed much about the use of more efficient comminution circuits in terms of energy. On this line, the vertical mill appears as an option for replacement of the ball ...
Simulação numérica da trefilação axissimétrica do aço inoxidável 420 considerando o efeito do caminho de deformação
(Universidade Federal de Minas GeraisUFMG, 2005-06-29)
Axisymmetric drawings of the AISI 420 stainless steel were simulated using finite elements, considering the effect of strain path. In these simulations, the bars to be drawn received different flow curves for the various ...
Estudo do efeito da reticulação por genipin em suportesbiocompatíveis de quitosana-PVA
(Universidade Federal de Minas GeraisUFMG, 2009-12-17)
The human integument, known as skin, is made up of distinct layers, joined to each other. Its main functions are to protect the underlying tissues, regulate body temperature, and uphold somatic nerve endings. This human ...
Anomalias na velocidade de fusão do eletrodo na soldagem GMAW
(Universidade Federal de Minas GeraisUFMG, 2004-03-05)
Wire melting rate in GMA welding with constant voltage power suplies is well described by a parabolic model that links the melting of the wire with electrical resistance and arc heating. However, tests performed with ...
Corpos moedores côncavos
(Universidade Federal de Minas GeraisUFMG, 2004-02-28)
The aim of the work is to investigate the effect of utilizing crushing bodies of special shape as the medium for ore grinding. The crushing bodies utilized in this study are modified spheres with a concave portion. As ...