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Now showing items 161-170 of 474
Estudos físico-químicos do efluente produzido por fossa séptica biodigestora e o impacto do seu uso no solo
(Universidade Federal de São Carlos, 2007-08-01)
The generation of effluent from the sewage treatment is daily increasing then its final disposition represents a mandatory question to be answered. An alternative is its agricultural utilization such as organic fertilizer ...
Avaliação do emprego de técnicas de RMN e IV aliadas a métodos quimiométricos na investigação de autenticidade da droga vegetal comercial quebra-pedra
(Universidade Federal de São Carlos, 2009-02-06)
The importance of medicinal plants and their use in industrial purposes is increasing. Among the herbal drugs being commercialized there are "quebra-pedras". According to the the Brazilian Pharmacopoeia, the recognized ...
Utilização de planejamento fatorial no estudo da remoção eletroquímica de íons Pb(II) de fluentes simulados
(Universidade Federal de São Carlos, 2007-07-27)
In this work, the removal of Pb(II) ions from simulated wastewaters, using a flow-through cell under galvanostatic condition was studied. With help of factorial design and response surface methodology, the variables current, ...
Nanocompósito de PP/PP-g-AM/argila organofílica: processamento, propriedades mecânicas, termo-mecânicas e de permeação de gás
(Universidade Federal de São Carlos, 2009-08-28)
The aim of present work was developing nanocomposites of polypropylene (PP) with organoclay (MMT) in the presence of a compatibilization agent (PP-g-MA) in the melt state. The masterbatch of PP-g-MA and organoclay was ...
Síntese e caracterização de nanocompósitos magnéticos e sua aplicação na despoluição de águas
(Universidade Federal de São Carlos, 2009-03-05)
The development of new materials should seek to products
whose properties are integrated to enable that processes of interest are implemented efficiently. Thus, in the search for new heterogeneous catalysts, a challenge ...
Avaliação química de solos tratados com vinhaça e cultivados com alfafa
(Universidade Federal de São Carlos, 2008-07-29)
It is fundamental the presence of nutrients in the soil to assure its good quality and performance. If the soil is not able to supply the adequate levels of nutrients that the plants need to survive, these nutrients have ...
Síntese do feromônio sexual e respostas eletrofisiológicas frente ao óleo essencial de Psidium guajava de Tryrinteina arnobia
(Universidade Federal de São Carlos, 2008-09-16)
The study of semiochemicals involves the knowledge of different interaction levels between organisms and allows us to understand communication mechanisms and the action of specific compounds in the insect behavior. The ...
Estudo fitoquímico de Euxylophora paraensis e avaliação das substâncias isoladas frente à enzima gliceraldeído-3-fosfato desidrogenase de Trypanosoma cruzi
(Universidade Federal de São Carlos, 2008-08-22)
This work describe the phytochemical study of bark and leaves of the specie E. paraensis (Rutaceae). This dissertation aims at contributing with the chemistry of the Rutaceae family and evaluation of the antichagasic ...
Estudos de separação enantiosseletiva para uma série de sulfóxidos quirais em colunas poliméricas
(Universidade Federal de São Carlos, 2010-03-12)
The liquid chromatography enantiomeric separation of a series of seventeen chiral sulfoxides was systematically investigated using multimodal elution with the new synthetic polymeric stationary phases based on monomers ...
Síntese não aquosa de nanocristais de óxidos metálicos
(Universidade Federal de São Carlos, 2008-11-28)
Nonaqueous synthesis routes to obtain metal oxide nanoparticles are a valuable alternative to the aqueous sol-gel processes, offering advantages such as high crystallinity at low temperatures and ability to control the ...