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Analytical design methodology for Litz-wired high-frequency power transformers
(IEEE, 2015)
Artículo / Artikulua,
In the last quarter of a century, high-frequency
(HF) transformer design has been one of the major concerns to power electronics designers in order to increase
converter power densities and efficiencies. Conventional
design ...
Commons and the legacy of the past. Regulation and uses of common lands in twentieth century Spain
(Uopen Journals, 2015)
Artículo / Artikulua,
The authors explore the transformation of common lands in Spain in the second half of the 20th Century, when the nation experienced significant structural and political changes. If the 19th Century was defined by privatisation ...
The impact of investor sentiment on stock returns in emerging markets. The case of Central European markets
(Taylor & Francis, 2015)
Artículo / Artikulua,
This paper studies the effect of investor sentiment on stock returns in three Central European markets: the Czech Republic, Hungary and Poland. The results show that sentiment is a key variable in the prices of stocks ...
Do entrepreneurial role models influence the nascent entrepreneurial activity of immigrants?
(Wiley, 2015)
Artículo / Artikulua,
This paper examines how the influence of entrepreneurial role models in the individual’s
decision to become a nascent entrepreneur is moderated by their socio-cultural fit. By looking at
the entrepreneurial activity of ...
Customer heterogeneity in the development of e-loyalty
(Emerald Group Publishing Limited, 2015)
Artículo / Artikulua,
Purpose: The purpose of this study is to identify customer-specific differences in a general model of e-loyalty taking into account the existence of unobserved heterogeneity. Specifically, we aim to 1) test for the presence ...
Polarization diversity scheme for BOTDA sensors based on a double orthogonal pump interaction
(IEEE, 2015)
Artículo / Artikulua,
We introduce a Brillouin optical time domain analysis (BOTDA) sensor deploying a novel polarization diversity technique based on the use of two orthogonal pump pulses which simultaneously interact with a phase modulated ...
Project management in development cooperation. Non-governmental organizations
(Universidad Nacional de Colombia, 2015)
Artículo / Artikulua,
Este artículo analiza la adopción de prácticas propias de la gestión de
proyectos en las ONG destinadas a la cooperación para el desarrollo,
así como su influencia en la ejecución y el impacto de la aplicación de
metodologías, ...
Brillouin optical time-domain analysis sensor assisted by Brillouin distributed amplification of pump pulses
(Optical Society of America, 2015)
Artículo / Artikulua,
We demonstrate the extension of the measurement range of
Brillouin optical time-domain analysis (BOTDA) sensors using a distributed
Brillouin amplifier (DBA). The technique is based on injecting a DBA
pump wave in the ...
El vibrato vocal en el proceso de enseñanza-aprendizaje del canto
(Universidad del Zulia (Venezuela), 2015)
info:eu-repo/semantics/article,
Una característica básica del canto lírico es el vibrato. La presente investigación plantea el estudio del vibrato vocal en el proceso de su adquisición. Se realiza un cuestionario a 38 estudiantes de canto con clasificación ...
Alfabetización comunicativa y competencia mediática en la sociedad hipercomunicada
(Universidad Peruana de Ciencias Aplicadas, 2015)
Artículo / Artikulua,
El ecosistema comunicativo crece y se produce en la sociedad tecnológica actual, donde prima
la hipercomunicación; en este ambiente, una ingente cantidad de pantallas difunde contenidos
audiovisuales que conforman la ...