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Evaluation of industrial rejects of mineral and metallurgical processing as ceramic synthetic proppants
(2014)
Hydraulic fracturing is a very important technique to increase the productivity and recovery of oil reservoirs with low pressure or high depth. The hydraulic fracturing technique is a method of well stimulation in which ...
Methodology for determination of two new sensory thresholds: Compromised acceptance threshold and rejection threshold
(Food Research International, 2018)
Uma análise do Instituto Nacional de Propriedade Industrial quanto aos registros de marcas
(2018)
O presente estudo visa investigar quantitativamente a eficiência do Instituto Nacional de Propriedade Industrial (INPI) no que tange a sua interpretação do artigo 124 da Lei 9.279/96, comumente conhecida como Lei da ...
Active Disturbance Rejection Control of Horizontal-Axis Wind Turbines
(2017-03-22)
Abstract. Wind turbines are complex nonlinear machines whose main objective is to convert the wind energy into electric power. These systems work in two main operating regions. In region 2, the energy captured must be ...
Estudo do aproveitamento do rejeito da mineração de esmeraldas na produção de refratários conformados isolantes
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Engenharia MecânicaTecnologia de Materiais; Projetos Mecânicos; Termociências, 2013-05-16)
Emerald mining is an important area of the economy in Brazil, country which is in second place among the exporting nations of this gem. Due to the process of extraction, a great amount of reject is generated. Since there ...