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Itens para a visualização no momento 31-40 of 56
Desenvolvimento de um reator fotoquímico microcontrolado, utilizando diodos emissores de luz (LEDs) como fonte de excitação luminosa
(Universidade Federal de São Carlos, 2011-02-11)
Aiming to contribute to the technological development of our country and meet the domestic demand for photochemical reactors, we have considered the possibility of developing a national product. The development of this ...
Estudo sobre o hidróxido de potássio no processo de produção industrial de poliol poliéter
(Universidade Federal de São Carlos, 2010-11-26)
Metallic ions may interact with polyether polyols giving macromolecular complexes. From this approach, it was investigated the interaction of cationic potassium with polyether polyols by means of several techniques in order ...
Argumentação no ensino de Química: textos de divulgação científica desencadeando debates
(Universidade Federal de São Carlos, 2011-02-02)
A large body of science education literature suggests that argumentation plays a central role in science and should therefore maintain the same centrality in science education. However, opportunities for students to engage ...
Estudo do comportamento reocinético, propriedades de temperatura de transição vitrea e viscosidade de sistemas de resinas epoxi
(Universidade Federal de São Carlos, 2010-08-20)
In this work, we have developed a study of the impact of two variables (Water and Monohydroyized Epoxy Resin) to Epoxy resin raw material in the behavior of the reactivity and viscosity of a " Epoxy System (Parts A - Resin ...
Aplicação de ZnO nanoestruturado na agricultura
(Universidade Federal de São Carlos, 2011-03-25)
In this study we
attempted to produce two fertilizers with ZnO nanoparticles and also attempted to
characterize and apply them in order to establish a comparison between the
distribution of particle sizes and levels of ...
A música como linguagem no processo de alfabetização científica nas aulas de química
(Universidade Federal de São Carlos, 2019-02-26)
Among the sciences, chemistry stands out due to the various possibilities of addressing each topic, starting from a simple observation of an experiment or from the reading of nature itself, emerging the questions and the ...
Estudo de degradação forçada dos agroquimicos azoxistrobim, amicarbazona e picloram, procedendo-se a elucidação estrutural dos produtos gerados pela técnica de RMN
(Universidade Federal de São Carlos, 2019-02-27)
The growing consumerism of food by the population, both in Brazil and worldwide, leads to the intensified use of agrochemicals in large and small farms. In Brazil, according to Law 7802/1989, agrochemicals are materials ...
Separação de misturas no ensino fundamental: mapas conceituais e resolução de problemas
(Universidade Federal de São Carlos, 2019-01-24)
This professional master's work is focused on the following research question: "How and to what extent does the effect of concept maps on the solving of experimental problems related the separation of mixtures in junior ...
Estudo sobre a ação do íon haleto na síntese de resinas epóxi líquidas e na hidrólise do óxido de propileno
(Universidade Federal de São Carlos, 2016-08-19)
“A STUDY ON THE ROLE OF HALIDE ION IN THE SYNTHESIS OF LIQUID EPOXY
RESINS AND ON THE HYDROLISIS OF PROPYLENE OXIDE” is on two aspects of the
halide ion in chemistries of liquid epoxy resin and the propylene oxide in the ...
Preparo de amostras e análise elementar de produtos farmacêuticos
(Universidade Federal de São Carlos, 2016-08-17)
The medicine manufacture process may cause the final product contamination with
metallic residues to the detriment of human healthy. Aiming to regulate the
pharmaceutical production and establish standards of final ...