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Desenvolvimento e avaliação de filmes didáticos no processo de ensino-aprendizagem de química no ensino médio.
(Universidade Federal de São Carlos, 2006-02-26)
This research aimed at analyzing the computer’s indirect usage in the Chemistry teaching-learning process in high school. For such a purpose, two short pedagogical films (SPF), which contained images ...
Catalisadores de Pd suportados em La2O3-Al2O3 para a reforma do metano: influência do La na estrutura superficial, atividade e estabilidade
(Universidade Federal de São Carlos, 2006-09-01)
The steam reforming methane reaction catalysed by Pd/(x)La2O3-Al2O3 was studied using different contents of La. The Pd(x)La2O3-Al2O3 catalysts were obtained by wetness impregnation of alumina with an aqueous solution of ...
Síntese e avaliação da atividade biológica de uma coleção de amidas
(Universidade Federal de São Carlos, 2006-10-27)
The present study describes the preparation of amides containing the methylenedioxyphenyl group and also their activity against the leaf-cutting ant, Atta sexdens rubropilosa, its symbiotic fungus Leucoagaricus gongylophorus ...
Pigmentos nanométricos de alumina dopada com ferro, níquel e manganês
(Universidade Federal de São Carlos, 2006-11-08)
In the recent years, the necessity of ceramic pigments production with new shades and variable distributions of particle size has increased considerably. The color and size of pigment particles are responsible for important ...
Estudo de procedimentos analíticos para determinação de Cr(III) e Cr(VI) em amostras sólidas.
(Universidade Federal de São Carlos, 2006-03-02)
The legislation is evolving towards the establishment of restrictions to the concentration of Cr(VI), the most toxic redox form of chromium, in solid materials. This aspect has stimulated the development of sample preparation ...
Busca de compostos inseticidas: estudo de espécies do gênero Trichilia (Meliaceae)
(Universidade Federal de São Carlos, 2006-05-15)
This work describes the results of the search for
insecticidal compounds from the Meliaceae family. The samples assayed against
fall armyworm Spodoptera frugiperda were the hexane, methanol and
hydromethanol extracts ...
Rutenioporfirinas: síntese e aplicação como catalisadores de reações de oxidação de ciclo-hexano, adamantano e Z-cicloocteno.
(Universidade Federal de São Carlos, 2006-02-21)
The porphyrin ligands, mesotetraphenyl-21H, 23Hporphyrin,
meso-tetrakis(2-bromophenyl)-21H, 23H-porphyrin, meso-tetrakis(4- bromophenyl)-21H, 23H-porphyrin, meso-tetrakis(2-chlorophenyl)-21H, 23Hporphyrin, meso-tetrakis( ...
Medidas de condutividade na caracterização de complexos inorgânicos: um levantamento bibliográfico.
(Universidade Federal de São Carlos, 2006-08-01)
In this work was done a review of the data published in inorganic
chemistry journals (Inorganic Chemistry and Inorganica Chimica Acta in the
years 1973-2005 and 1983-2005, respectively) on values of measurements of
conductivity ...
Determinação de fontes de hidrocarbonetos policíclicos aromáticos e alifáticos em sedimentos de ambientes aquáticos
(Universidade Federal de São Carlos, 2006-04-20)
Numerical values of polycyclic aromatic hydrocabons and n-alkanes distribution indexes of
sediments are important tools to elucidate the origins of hydrocarbons mixtures. Polycyclic
aromatic ratios are sensitive indicators ...
Diagnóstico das condições de formação dos professores e do ensino de Química no município de Barretos.
(Universidade Federal de São Carlos, 2006-02-22)
This work presents a descriptive and analytic study on chemical education in Barretos
(São Paulo). The purpose of the study is mainly to investigate the pedagogic practices in
secondary and higher chemistry education and ...