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Impactos do manejo do solo em área de pastagem extensiva convertida em cultivo de cana-de-açúcar e em pastagem intensiva
(Universidade Federal de São Carlos, 2020-04-30)
Future decreases in greenhouse gas emissions due the use of ethanol have been associated with the way in which changes in land use will occur for new sugarcane crops. One of the main consequences of the increases in the ...
Aplicação de modelos lineares mistos com regressão quantílica na projeção do crescimento e produção de Eucalyptus spp.
(Universidade Federal de São Carlos, 2020-04-03)
The correct inference of growth and forest production are important factors for decision making in planning, with different models based on regression statistics. These models are used to determine the technical and economic ...
Obtenção de nanocelulose a partir da funcionalização da celulose por oxipropilação
(Universidade Federal de São Carlos, 2020-03-27)
The present study aimed to obtain functionalized nanocellulose through the oxypropylation reaction. Thereunto, the cellulose was submitted to an initial activation step with a sodium hydroxide solution, and then the reaction ...
Biomarcadores bioquímicos em fígado de girinos de rãs-touro, Lithobates catesbeianus, como indicadores biológicos de contaminação aquática
(Universidade Federal de São Carlos, 2020-03-10)
Various contaminants can affect the aquatic ecosystem and the organisms that live in it and can interfere with their physiological processes, as they accumulate in different tissues. Therefore, the evaluation of the effects ...
Efeitos da combinação de agrotóxicos e do patógeno Nosema ceranae no desenvolvimento de Apis mellifera africanizada
(Universidade Federal de São Carlos, 2020-03-03)
Bee populations have declined in several parts of the world, possibly due to a combination of biotic and abiotic factors, such as pesticides, pathogens and forest fragmentation. Since the larval stage, bees are exposed to ...
Comportamento de clones de eucalipto à seca dos ponteiros laterais
(Universidade Federal de São Carlos, 2020-03-27)
Eucalyptus forests in Brazil are a major driving force in the economy, especially with regard to the paper and cellulose, furniture, wood and energy sectors. However, due to the occupation of the species throughout the ...
Desenvolvimento e caracterização de filmes poliméricos de amido de milho com incorporação de fibras de bagaço de cevada
(Universidade Federal de São Carlos, 2020-03-25)
Interest in the use of starch for biodegradable films is growing due to being a natural, renewable, abundant and low cost source. However, starch films generally have low values of mechanical properties. Thus, this work ...
Efeitos da nitretação a plasma e do filme de carbono amorfo (a-C:H) aplicado ao aço 1020 na resistência ao desgaste em alumínio AA 3104
(Universidade Federal de São Carlos, 2020-04-03)
The AA 3104 aluminum is widely used as packaging for food storage, as it is a versatile alloy with easy mechanical conformation, however, it causes high wear to the cutting knife due to friction during the packaging ...
Aspectos estruturais e funcionais da comunidade de peixes demersais da Baía de Santos - SP
(Universidade Federal de São Carlos, 2020-06-29)
We assessed the structural and functional aspects of the Santos Bay demersal fish community through four sampling campaigns distributed quarterly between April and December 2017. In each campaign, six 30-minute bottom ...
Composição florística e formas de vida em duas comunidades regenerantes em áreas de restauração ecológica de floresta estacional semidecidual
(Universidade Federal de São Carlos, 2020-05-04)
Considered one of the 25 global hotspots, the Atlantic Forest has been subjected to anthropic pressure from pressure, making its conservation and restoration indispensable. The present research aims to evaluate natural ...