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Now showing items 6181-6190 of 6346
Filmes de diamante não-dopados e dopados: um estudo sistemático usando espectroscopia Raman
(Universidade Federal de São Carlos, 2004-11-17)
Diamond films grown by both hot filament (HFCVD) and microwave-plasma (MW-CVD) assisted chemical vapor deposition were investigated. Raman spectroscopy, scan-
ning electron microscopy and X-ray di¤raction were employed ...
Caracterização de scaffolds a base de colágeno tipo I aniônico visando tratamento de lesões na pele
(Universidade Federal de São Carlos, 2022-02-22)
Skin lesions can reach different intensities along the tissue, being the deepest those that affect all layers of the skin (epidermis, dermis and hypodermis), hampering the self-healing natural process. These make it essential ...
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 ...
Produção de esferoides de células tumorais de câncer de bexiga num biorreator de vórtice de Taylor
(Universidade Federal de São Carlos, 2018-03-08)
Two-dimensional (2D) cell culture has been the common platform for evaluating anticancer drugs. However, three-dimensional (3D) cell cultures, such as multicellular tumor spheroids (MCTS), best resemble tumor in vivo ...