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Now showing items 41-50 of 141
Estudo da resistência ao desgaste e corrosão do aço AISI 4340 com tratamento a plasma de nitrocementação, revestimento DLC e multicamada (nitrocementação + DLC)
(Universidade Federal de São Carlos, 2020-03-02)
Duplex treatments are performed seeking out to promote additional tribological property
for a material, for example, diamond-like carbon (DLC) films deposited on AISI 4340
steel nitrocarburizing surfaces. DLC films have ...
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 ...
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 ...
Géis, nanocompósitos e compósitos de pectina preparados utilizando a técnica adaptada de ice template.
(Universidade Federal de São Carlos, 2020-05-20)
Byopolymers, such as pectin, have the ability to form gels which allows their use as jelly thickeners in food industries, for example. Porous pectin gels are generally homogeneous, forming a water-rich mesh. Pores are ...
Utilização da eletroforese capilar como técnica analítica para a determinação de aminoglicosídeos em sistemas de liberação controlada e formulações farmacêuticas
(Universidade Federal de São Carlos, 2020-04-30)
Leishmaniasis are diseases that have been causing challenges for public health in developing countries and, for this reason, several studies have been trying to develop a more effective formulation to fight them. According ...
Evolução dos serviços ecossistêmicos em diferentes estágios de regeneração natural
(Universidade Federal de São Carlos, 2020-05-08)
Forests are important for several ecosystem services that bring benefits to man, mainly support services, such as nutrient cycling, climate mitigation, erosion control, water resource recharge, among others. Therefore, the ...
Viabilidade econômica da produção de hortaliças orgânicas em média escala: estudo de caso na região metropolitana de Sorocaba-SP
(Universidade Federal de São Carlos, 2020-02-27)
Organic production is recent in Brazil, starting in the 1970s, at a time when conventional production already had several credit incentives and was expanding. Brazilian agriculture has great representativeness in the world ...
Incidência da ferrugem do eucalipto (Eucalyptus urograndis) em diferentes arranjos agroflorestais
(Universidade Federal de São Carlos, 2020-05-27)
Considered one of the main eucalyptus diseases, rust (Puccinia psidii) can cause serious
damage to the crop if adequate management strategies are not implemented. In general, there
is eucalyptus monoculture, with important ...
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 ...
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 ...