Buscar
Mostrando ítems 1-10 de 58
Análise de viabilidade econômica do uso de diversas fontes de biomassa para queima
(Universidade Federal de São Carlos, 2020-01-17)
Biomass is a renewable resource that is increasingly being used as an energy source. This dissertation aimed to study the economic viability of using biomass for power generation. In Chapter 1, the contributions of renewable ...
Utilização de resíduo de cama de frango na fertilização em cobertura de milho variedade em sistema agroflorestal
(Universidade Federal de São Carlos, 2020-02-11)
Corn is one of the most important crops in Brazil and in the world with a wide geographical
area. Corn cultivation in Brazil is commonly performed by hybrid and transgenic materials.
Forgotten, maize varieties are less ...
Microplásticos: impacto ambiental de polímeros fotodegradados
(Universidade Federal de São Carlos, 2020-02-03)
Plastics have been studied for their environmental impact, since when discarded in the environment they do not disappear. Over time they degrade and fragment into smaller pieces, reaching the microscale. When exposed to ...
Percepción de servicios ecosistémicos por agricultores familiares como herramineta de conservación
(Universidade Federal de São Carlos, 2020-02-18)
We live in a world in which each social group has different knowledge, values and beliefs, due to its natural, historical, cultural and social contexts. Understanding the relationships between human societies and ecosystems ...
Filmes automontados de nanopartículas de magnetita e polipirrol na determinação analítica de metilparabeno
(Universidade Federal de São Carlos, 2020-02-20)
Parabens are esters derived from para-hydroxybenzoic acid used as antimicrobials and bactericides in cosmetics, personal hygiene and cleaning products, food and medicines. Side effects have been observed due to the ...
Inferência Multimodelos na predição de multiprodutos em povoamentos de Eucalyptus sp.
(Universidade Federal de São Carlos, 2020-02-28)
When selecting a single model to estimate a variable, this estimate is conditioned to any and all characteristics of this model, which may be subject to underestimation or overestimation, depending on the model in question ...
Avaliação do mercado de ativos florestais destinados à compensação ambiental no estado de São Paulo, SP.
(Universidade Federal de São Carlos, 2020-02-04)
Environmental offset is a public policy instrument used for the environmental management of impact mitigation in the Brazilian territory, based on the polluter-pays principle, thus any activities or ventures that use natural ...
Comparação do desempenho de diferentes estratégias de montagem do genoma de Bertholletia excelsa Bonpl. (Lecythidaceae)
(Universidade Federal de São Carlos, 2020-03-06)
The Brazil Nut (Bertholletia excelsa) is an arboreal species, native to the Amazon forest, by which there’s a concern referring to its ecological sustainability. Therefore, sequencing and assembling the genome might ...
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 ...
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 ...