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Eletrossíntese, caracterização e testes de compósitos de polipirrol e poli(DMcT) sobre fibra de carbono como catodos de baterias secundárias e eletrodos de supercapacitores
(Universidade Federal de São Carlos, 2009-11-27)
In this work bilayered electrodes made of polypyrrole Ppy and poly(2,5-dimercapto-1,3,4-tiadiazol) poly(DMcT) were produced and characterized on carbon-fiber substrate. To do so, several aspects were investigated: ...
O lúdico em Química : jogos e atividades aplicados ao ensino de Química
(Universidade Federal de São Carlos, 2004-04-01)
In this work games and ludic activities are applied to chemistry teaching. In the introduction, the constructivism aspects of the theories of cognitive development are presented. Then, the ideas and theories of both ludic ...
Novo enfoque no estudo da transição de fase composicional da solução sólida ferroelétrica (Pb,Ca)TiO3
(Universidade Federal de São Carlos, 2006-11-13)
Ferroelectric materials have a vast application in modern industry as data storage devices. Some of this materials, as the ferroelectric oxides class ABO3, have phase transitions with the alteration of of the lattice ...
Aspectos da interação do homem com pesticidas no ambiente: focando a cotonicultura e com ênfase às bordas do Alto Pantanal, Mato Grosso, Brasil.
(Universidade Federal de São Carlos, 2005-10-27)
The interaction man-pesticide-environment (M-P-E), in cotton areas was
characterized and, a laboratorial study on mobility of the pesticide parathion methyl
(PM) into soil columns was developed. Antropic impacts and risk ...
Preparação e caracterização de eletrodos de polímeros condutores sobre carbono vítreo reticulado (RVC) para a aplicação em baterias secundárias.
(Universidade Federal de São Carlos, 2006-03-22)
The general purpose of this work is the optimization of
the conducting polymer deposition on RVC and the use of these electrodes in an allpolymeric
ion-lithium battery, which means an anode and a cathode made of ...
Avaliação de procedimentos para preparo de amostras agronômicas visando determinação multielementar por espectrometria de emissão ótica com plasma induzido.
(Universidade Federal de São Carlos, 2004-05-21)
Sample preparation was always considered a limiting factor for sample
throughput in the analytical sequence due to its high time consumption and great
probability for error insertion in the results. Therefore, purposes to ...
Estudo fitoquímico de Helietta puberula (Rutaceae), Simarouba versicolor (Simaroubaceae) e busca de um processo de microencapsulação de compostos ativos visando o controle de formigas cortadeiras.
(Universidade Federal de São Carlos, 2006-06-02)
This work involved the
bioassay-guided study of Helietta puberula (Rutaceae) e Simarouba versicolor
(Simaroubaceae). The biossays were carried out with leaf-cutting ants Atta
sexdens rubropilosa, antifungal activity against ...
Desenvolvimento de procedimentos de análise por injeção em fluxo para a determinação de furosemida, paracetamol e acetilcisteína em formulações farmacêuticas.
(Universidade Federal de São Carlos, 2006-08-25)
In this thesis are presented the development of
flow injection analysis procedures with spectrophotometric detection for determination of
furosemide, paracetamol and acetylcysteine in samples of pharmaceutical formulations.
A ...
Avaliação de potencialidades e aplicações de espectrômetros com plasma acoplado indutivamente em análises químicas.
(Universidade Federal de São Carlos, 2007-02-22)
This work is divided in two main parts. In the first one, the operating
conditions of a radially inductively coupled plasma optical emission spectrometry (ICP
OES) was evaluated in soil and vegetable materials analysis. A ...
Aplicação das técnicas espectroscópicas de RMN e IV e de métodos quimiométricos na quimiotaxonomia de liquens.
(Universidade Federal de São Carlos, 2007-02-02)
This present work
describes the chemotaxonomic analysis of lichens through the utilization of NMR
spectroscopic techniques, HR-MAS and NMR in solution, and IR allied with
chemometrics methods. This analysis were carried ...