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Identificação dos componentes do óleo essencial de laranja (Citrus sinensis L. Osbeck) e proposição de procedimentos industriais para a obtenção de produtos diferenciados
(Universidade Federal de São Carlos, 2011-10-21)
Brazilian exports of orange essential oil are responsible for moving approximately seventy-four million dollars, representing a significant portion of Brazilian business, and deserve the attention from the companies involved ...
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 da proteção de ácidos graxos de cadeia longa presentes em subproduto da agroindústria visando aplicação em nutrição animal
(Universidade Federal de São Carlos, 2012-04-02)
Ruminant diets are characterized by low levels of lipids and these may be supplied by different sources, such as by-products of oil industries. The soapstock is the main by-product of the vegetable oils refining industry. ...
O ambiente como contexto para o ensino das transformações químicas
(Universidade Federal de São Carlos, 2011-10-17)
Through the difficulties that were found in the educational process of Chemistry, nowadays, and in a situation which school contents are not related with students life, this study investigated the contributions of problematic ...
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 ...
Hematita: um novo método de síntese para a indústria
(Universidade Federal de São Carlos, 2011-08-04)
The motivation in studying the properties of iron oxides was due to difficulty in obtaining colored pencils in shades of brown, with good coverage. To carry out this work we used pigments for industrial use Icra provided ...
Estudos das relações estrutura-toxicidade de agrotóxicos
(Universidade Federal de São Carlos, 2012-03-23)
Computational methods such as electrostatic and structural similarity of compounds were used to determine a similarity pattern for pesticides present in the database of the Medicinal Chemistry Group IQSC/USP. A collection ...
Obtenção de nanopartículas coloidais de trifluoreto de itérbio
(Universidade Federal de São Carlos, 2011-02-16)
Radiopaque dental composites are materials that have attracted great scientific and technological interest due to their different optical and mechanical properties when compared to polymer-based dental materials. In this ...
Construção, aplicação e avaliação de um kit de experimentos para o ensino de eletrólitos
(Universidade Federal de São Carlos, 2014-03-28)
The limited information on electrolytes in high-school textbooks, the reduced time of weekly chemistry classes, and the lack of a laboratory in some schools suggest the need for an adaptation, for the teaching of this ...