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Effect of acid-ethanol treatment followed by ball milling on structural and physicochemical characteristics of cassava starch
(Wiley-v C H Verlag Gmbh, 2010-05-01)
Structural and physicochemical characteristics of cassava starch treated with 0.36% HCl in anhydrous ethanol during 1 and 12 h at 30, 40, and 50 degrees C followed by ball milling for 1 h were analyzed. Average yield of ...
Modelagem matemática e aplicações do problema de coloração em grafos
(Universidade Estadual Paulista (Unesp), 2007-01-17)
O objetivo desse trabalho é apresentar o problema de coloração em grafos sob diferentes perspectivas. Caracterizamos o polinômio cromático de um grafo e enunciamos algumas de suas propriedades. Apresentamos duas formulações ...
Influence of low and high levels of grain defects on maize wet milling
(Elsevier B.V., 2002-12-01)
Yields and starch pasting characteristics obtained from wet milling of maize samples with low and high levels of defect grains were compared to those from sound samples. Defect grain groups ere established taking into ...
Study of the alkaline earth metals with 8-hydroxyquinolinate derivatives - Calcium complexes
(Kluwer Academic Publ, 2002-01-01)
Metal complexes of calcium with 5,7-dibromo, 7-iodo and 5-chloro-7-iodo-8-hydroxyquinolate were precipitated in aqueous ammonia and acetone medium, except for the solid state compound with 5,7-dichloro-8-hydroxyquinoline ...
A criminologia no Brasil ou como tratar desigualmente os desiguais
(Iuperj, 2002-01-01)
In this article we discuss how the ideas of Cesare Lombroso (1835-1909) and his followers were incorporated into the intellectual debate in Brazil in the late 19(th) and early 20(th) centuries. By specifically analyzing ...
Virial coefficients from (2+1)-dimensional QED effective actions at finite temperature and density
(World Scientific Publ Co Pte Ltd, 2002-10-10)
From spinor and scalar (2 + 1)-dimensional QED effective actions at finite temperature and density in a constant magnetic field background, we calculate the corresponding virial coefficients for particles in the lowest ...
Sn-polymetallic greisen-type deposits associated with late-stage rapakivi granites, Brazil: fluid inclusion and stable isotope characteristics
(Elsevier B.V., 2005-03-01)
Tin-polymetallic greisen-type deposits in the Itu Rapakivi Province and Rondonia Tin Province, Brazil are associated with late-stage rapakivi fluorine-rich peraluminous alkali-feldspar granites. These granites contain topaz ...
Microstructural and morphological analysis of pure and Ce-doped tin dioxide nanoparticles
(Elsevier B.V., 2003-04-01)
Structural morphological studies in pure and Ce-doped tin dioxide nanoparticles with high stability against particle growth were performed in samples, obtained using the polymeric precursor method and prepared at different ...
Subclinical abnormalities of glucose metabolism in Brazilian women with a history of gestational diabetes mellitus
(Blackwell Munksgaard, 2004-12-01)
Background. To evaluate insulin release and insulin sensitivity in women with prior gestational diabetes mellitus (GDM) to gain a better understanding of type 2 diabetes pathogenesis.Methods. GDM women were individually ...
Human herpesvirus type 6 and type 1 infection increases susceptibility to nonmelanoma skin tumors
(Elsevier B.V., 2005-06-28)
In order to investigate herpesvirus (HHV) role in the susceptibility to skin cancer, we compared HHV6 and HHV1 incidence in DNA samples extracted from 120 lesions and 41 normal skin tissues. HHV6 (31.7%) and HHV1 (23.8%) ...