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Now showing items 4041-4050 of 4063
Atomização a gás da liga de alumínio AA2017: efeitos dos parâmetros de processo nas características físicas dos pós produzidos visando aplicação em manufatura aditiva
(Universidade Federal de São Carlos, 2022-07-15)
Gas atomization is the main method to produce metal powders for LASER powder bed fusion (L-PBF), which is an additive manufacturing (AM) technique. It produces metallic powders with suitable characteristics to be applied ...
Indicadores de sustentabilidade urbana: as perspectivas e as limitações da operacionalização de um referencial sustentável
(Universidade Federal de São Carlos, 2000-04-05)
The complexity of the problems deriving from urban environments has required a deeper and more integrated understanding of the reality of these environments as an
essential step toward solutions. The main purpose of this ...
Catalisadores de Ni/Al2O3 promovidos com Au e Ag aplicados à reforma a vapor do metano
(Universidade Federal de São Carlos, 2005-04-08)
15%Ni/Al2O3 catalysts was obtained by impregnation with Ni(NO3)2
aqueous solution and promoted with Au and Ag. The Au was successively
impregnated with aqueous solution of [Au(NH3)4](NO3)3. The Ag was coimpregnated
with ...
Obtenção e caracterização eletroquímica do compósito polipirrol
(Universidade Federal de São Carlos, 2002-04-15)
This study was carried out to investigate the electrochemical
preparation of a composite polypyrrole / cobalt, as well as your characterization
physical-chemistry. The composite was electropolymerized on a platinum
substrate ...
Minimização do risco de carteiras de investimento através da programação linear e da teoria de Markowitz
(Universidade Federal de São Carlos, 2022-07-15)
The study presented in this project aimed at the formation and optimization of portfolios with 20 shares traded on B3 based on Markowitz's modern portfolio theory and Linear Programming, considering the minimization of ...
Desenvolvimento de uma metodologia para determinação de Cu, Cr e As utilizando microeletrodos
(Universidade Federal de São Carlos, 2005-07-27)
Using carbon fiber microelectrode modified with a film of Hg. The employed techniques were differential pulse voltammetry coupled to the adsorptive cathodic stripping for the As and Cr and the differential pulse voltammetry ...
Soluções singulares para operadores diferenciais parciais com coeficientes constantes.
(Universidade Federal de São Carlos, 2004-02-26)
The objective of this work is to present some properties of singular solutions for linear partial differential operators with constant coe±cients. We prove Paley-Wiener-Schwartz s theorem and its version for singular ...
Análise comparativa de benchmarks para banco de dados NoSQL orientados a grafos de propriedades
(Universidade Federal de São Carlos, 2021-07-06)
The new era of data economics, based on data sets with enormous volume, wide variety of formats, and rapid speed in data production and utilization, has brought the need for new data management structures and methods. Then ...
Grupos de tranças de superfícies e espaços de recobrimento
(Universidade Federal de São Carlos, 2021-08-09)
Given M a compact and connected surface without boundary, we define the braid groups of M, denoted by B_n(M), geometrically. We also explore its relation with the configuration space and the mapping class group of the same ...
Aplicação de metodologias ativas no ensino e aprendizagem de números racionais com questões da OBMEP
(Universidade Federal de São Carlos, 2021-11-17)
This study aims to investigate the use of active methodologies in teaching and learning mathematics. For this study, the result of the work developed with questions from the OBMEP in the city of São Carlos-SP was observed ...