Results 51 to 60 of about 287,633 (218)

VNA in MF, HF and VHF bands

Revista Elektrón
This paper proposes the design and implementation of a vector network analyzer for frequencies up to 300 MHz. The device has the ability to measure the amplitude ratio and phase difference of the reflected and transmitted signal of a system under test ...
Brian Maximiliano Gluzman, Ramiro Avalos Ribas, Alejandro José Uriz, Juan Alberto Etcheverry, Leonardo David Vazquez, Jorge Castiñeira Moreira   +5 more
doaj   +1 more source

PLL-less Robust DeadBeat-response Direct Power Control of Grid-Tie Three-Phase Inverters

Revista Iberoamericana de Automática e Informática Industrial RIAI, 2015
A new type of PLL-less Direct Power Control with robust implementation and deadbeat response is presented for grid-tie inverters. In this work a novel positive sequence detector is also implemented which ensures the elimination of perturbation at the ...
J.R. Fischer, S.A. González, I. Carugati, M.G. Judewicz, D.O. Carrica   +4 more
doaj   +1 more source

Draft genome sequence of Halomonas sp. KHS3, a polyaromatic hydrocarbon-chemotactic strain [PDF]

, 2015
The draft genome sequence of Halomonas sp. KHS3, isolated from seawater from Mar del Plata harbor, is reported. This strain is able to grow using aromatic compounds as a carbon source and shows strong chemotactic response toward these substrates.
Gasperotti, Ana Florencia, Herrera Seitz, Karina, Revale, Santiago, Studdert, Claudia Alicia   +3 more
core   +2 more sources

Digitizing collections to unlock the full potential of palynology: A case study with the Smithsonian palynology collection

PLANTS, PEOPLE, PLANET, EarlyView.
Large palynological collections have been built over decades and contain vital information. However, they are often difficult to access and use effectively. What is the point of having such collections if they are not fully utilizable? To solve this problem, we digitized the Smithsonian palynological collection using both light and confocal microscopy.
Carlos Jaramillo, Surangi W. Punyasena, Daurys de Alba, Roxana Alveo, Angelica Arcila, Jorge Bermudez, Jonatan Bustos, Dayenari Caballero‐Rodriguez, Karen Cardenas, David Caro, Francy Carvajal, Ivonne Marcela Castañeda, Shara Chaves, Carlos D'Apolito, Andres Diaz‐Jaramillo, Laura Diaz, Luisa Gomez, Mauricio León‐Carreño, Paula Lopera, Maria Alejandra Lopez, Priscila Lopez, Luke Mander, Jhonatan Martínez Murcia, Carlos Moreno, Enrique Moreno, Enrique Neyra, Brenda Orosco, Jhon Ortiz, Natalia Ossa, Natalia Ovalle, Carolina Ovalle, Angelo Plata, Ingrid Romero, Bruno Scudeiro, Silane A. F. da Silva Caminha, Axel Tejada‐Fajardo, Vinicius Do Valle, Thiago Wood   +37 more
wiley   +1 more source

Construcción y validación de contenido: Cuestionario de Conocimiento Docente del Perfil Neurocognitivo de Aprendizaje del TDAH

Revista Costarricense de Psicología
El proceso de escolarización de la población infantil con diagnóstico de Trastorno por Déficit de Atención con Hiperactividad (TDAH) plantea desafíos en el ámbito educativo, ya que sus síntomas pueden afectar el rendimiento académico. Es fundamental que
Josefina Rubiales, Liliana Bakker, Juan Paneiva Pompa   +2 more
doaj   +1 more source

Nanofibers obtained by electrospinning of BaTiO3 particles dispersed in polyvinyl alcohol and ethylcellulose [PDF]

Materials Research, 2013
Barium titanate particles (100-300 nm) synthesized by hydrothermal method were dispersed in both polyvinyl alcohol (PVA) and ethylcellulose (EC) solutions. These suspensions were processed by electrospinning.
Humar A. Ávila, María M. Reboredo, Miriam Castro, Rodrigo Parra   +3 more
doaj   +1 more source

Fiscal grievance politics: wealth taxation and master‐race democracy in post‐coup Bolivia Politique des griefs fiscaux : impôt sur la fortune et démocratie de la race maîtresse en Bolivie post‐coup d’État

Journal of the Royal Anthropological Institute, EarlyView.
This article analyses a new wealth tax (the IGF) in Bolivia against the backdrop of the 2019 ousting of former president Evo Morales. In doing so, it engages calls for ‘a return to politics’ in anthropology by proposing the notion of a ‘fiscal grievance politics’ as animating elite opposition to the tax in lowland Santa Cruz department. I show that the
Charles Dolph
wiley   +1 more source

Abordaje metodológico para la exploración de la experiencia emocional en sus distintas dimensiones

Kairós Gerontologia, 2013
La experiencia emocional es un constructo complejo y multidimensional. En este artículo se propone un abordaje comprensivo de triangulación metodológica.
Claudia J. Arias, Luciana Polizzi, María Pavón, María Florencia Giuliani, Maria Florencia Zariello   +4 more
doaj  

Semiclassical approach to the work distribution [PDF]

, 2017
Work in closed quantum systems is usually defined by a two-point measurement. This definition of work is compatible with quantum fluctuation theorems but it fundamentally differs from its classical counterpart.
Garcia-Mata, Ignacio, Roncaglia, Augusto Jose, Wisniacki, Diego Ariel   +2 more
core   +2 more sources

The Troubles and Beyond: The impact of a museum exhibit on a post‐conflict society

American Journal of Political Science, EarlyView.
Abstract In divided societies, can museums contribute to healing and recovery? While efforts to memorialize past violence typically aim to promote tolerance and reconciliation, remembering could exacerbate divisions in recovering societies where the past is deeply contested. We examine a transitional justice museum exhibit in Northern Ireland.
Laia Balcells, Elsa Voytas
wiley   +1 more source