Buscar
Mostrando ítems 81-90 de 7664
La inversión pública y su incidecia en la generación de empleo: período 2007-2015
(Universidad de Guayaquil Facultad de Ciencias Económicas, 2016-09-13)
El presente trabajo parte de precisar la relación entre el empleo y la inversión pública
donde se analiza aspectos de tipo macro-social a través de información estadística de
fuentes secundarias originando resultados ...
Fontes CA de potência: contribuição ao estudo e ao desenvolvimento de topologias híbridas
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2012-12-20)
In this thesis an study of AC Power Source (ACPS) topologies that guarantee the synthesis
of high quality voltage waveforms (in comparison to the reference signal) without
penalizing the system efficiency is carried out. ...
Identification of the biodiesel source using an electronic nose
(AMER CHEMICAL SOC, 2008)
Biodiesel is an important new alternative fuel. The feedstock used and the process employed determines whether it fulfills the required specifications. In this work, an identification method is proposed using an electronic ...
A novel HPF voltage source rectifier for variable speed refrigeration systems
(IEEE, 2006-01-01)
A novel single-phase voltage source rectifier capable to achieve High-Power-Factor (HPF) for variable speed refrigeration system application, is proposed in this paper. The proposed system is composed by a single-phase ...
Innovación social como motor del desarrollo local y el emprendimiento social
(Universidad de La Salle. Ediciones Unisalle, 9 de)
Application of a simulated annealing algorithm in the optimal placement of the source points in the method of the fundamental solutions
(Springer, 2002-03)
The placement of source points constitutes a key issue for the method of the fundamental solutions. In particular, for problems with singularities of any kind the determination of the optimal placement of source points ...
A combinatorial approach for transmission expansion & reactive power planning
(2011-05-31)
A metaheuristic technique for solving the short-term transmission network expansion and reactive power planning problems, at the same time, in regulated power systems using the AC model is presented. The problem is solved ...
O Sistema colaborativo como dispositivo gerador de empregabilidade
(Pós-Graduação em Ciência da InformaçãoUniversidade Federal de Sergipe, 2021)
INFLUENCE OF THE TARGET MOLECULE ON THE ORAC INDEX
(AMERICAN CHEMICAL SOCIETY, 2012)
The ORAC (Oxygen Radical Absorbance Capacity) assay has been widely employed to evaluate the antioxidant ability of pure compounds, foods and beverages. The method usually employs fluorescein and AAPH (2,2’-Azo-bis(2-ami ...