Search
Now showing items 21-30 of 287
Ferramentas quimiométricas aplicadas na avaliação de estratégias que visam a remoção de íons fluoreto em efluente de drenagem ácida de mina
(Universidade Federal de São Carlos, 2017-05-19)
The goal of this study is to provide improvements in the treatment of effluents from acid rock drainage (ARD) of the Mineral Treatment Unit (Caldas / MG) of the Nuclear Industries of Brazil (INB). Due to the presence of ...
Uso da técnica laser-induced breakdown spectroscopy (LIBS) para análise direta de ligas metálicas: estratégias de normalização, calibração univariada e multivariada e modelos de classificação
(Universidade Federal de São Carlos, 2017-02-10)
This academic master's dissertation was devoted to the development of analytical methods for the determination of Al, Cr, Cu, Fe, Mn, Mo, Ni, Ti, V and Zn in alloys and steels. The main purpose of the study was to present ...
Limites e potencialidades da formação e atuação em rede de cooperativas de catadore(a)s de materiais recicláveis: caso da Rede Anastácia, estado de São Paulo
(Universidade Federal de São Carlos, 2017-05-26)
The work carried out by recyclable waste pickers is of great importance, not only for the reuse of the materials, but also for their benefit to the environment, reducing the amount of waste that goes to landfills and ...
Banco Central e os sentidos sociais da ação em política monetária : as justificações morais distintas dos usos sociais do dinheiro
(Universidade Federal de São Carlos, 2017-07-31)
It is a study about the social meanings emerging from the monetary policy action of the Central Bank of Brazil (BCB) between 1995 and 2016, using comparisons with agents of the Federal Reserve (Fed), European Central Bank ...
Estudo do método de mistura das suspensões precipitadas (MPS) para a síntese de catalisadores de tungstênio suportado em zircônia (WOx/ZrO2)
(Universidade Federal de São Carlos, 2017-11-16)
Zirconia-supported tungsten oxide (WOx/ZrO2) is one of the main acid catalysts. The development of new methods for its preparation has been widely studied lately. This thesis presents a study of a new synthesis method, ...
Testes de superioridade para modelos de chances proporcionais com e sem fração de cura
(Universidade Federal de São Carlos, 2017-10-24)
Studies that prove the superiority of a drug in relation to others already existing in the market are of great interest in clinical practice. Based on them the Brazilian National Agency of Sanitary Surveillance (ANVISA) ...
Registros de representação semiótica: contribuições para o letramento probabilístico no 9º ano do ensino fundamental
(Universidade Federal de São Carlos, 2017-10-31)
This research had the objective of describing and analyzing a teaching-learning
concept of Probability in two classes of the ninth elementary school, in a municipal
public school in Salto de Pirapora, in the interior of ...
Comportamento elétrico de nanocompósitos baseados em copolímeros em bloco e nanotubos de carbono
(Universidade Federal de São Carlos, 2017-06-23)
In this work conductive polymer nanocomposites (CPNs) based on block copolymers and multi walled carbon nanotubes (MWCNT) were obtained. Two of the copolymers were commercial: polystyrene-b-polybutadiene-b-polystyrene ...
A modelagem de gráficos de controle de aceitação condicionados aos índices de capabilidade de processos : uma abordagem prática e econômica
(Universidade Federal de São Carlos, 2017-07-07)
Modified and acceptance control charts allow a new approach to statistical process monitoring. This research topic is little explored in the academic world, thus, this thesis contributes to the advancement of statistical ...
Síntese de cerâmicas tipo perovskita com potencial uso em células solares
(Universidade Federal de São Carlos, 2017-03-07)
Visible light accounts for the biggest fraction of the solar irradiance. One of the strategies for achieving higher photovoltaic power conversion efficiency is the application of low band-gap materials (Eg ideal≈1.4 eV) ...