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Now showing items 16447-16466 of 39759
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Foveal Pit Morphology Characterization: A Quantitative Analysis of the Key Methodological Steps
(MDPI, 2021-06-01)Disentangling the cellular anatomy that gives rise to human visual perception is one of the main challenges of ophthalmology. Of particular interest is the foveal pit, a concave depression located at the center of the ... -
Foveal remodeling of retinal microvasculature in Parkinson’s disease
(Frontiers Media, 2021-07-12)[EN] Background: Retinal microvascular alterations have been previously described in Parkinson’s disease (PD) patients using optical coherence tomography angiography (OCT-A). However, an extensive description of retinal ... -
FOXP2 expression and gray matter density in the male brains of patients with schizophrenia
; ; ; ; ; ; Meana Martínez, José Javier
; ; ; ; ; (Springer, 2021-06)
Common genetic variants ofFOXP2may contribute to schizophrenia vulnerability, but controversial results have been reported for this proposal. Here we evaluated the potential impact of the commonFOXP2rs2396753 polymorphism ... -
Fórmula ingenieril para el cálculo del par de fricción en rodamientos de vuelco en vacío y bajo carga axial
(2019-07-26)Entre los diversos campos de investigación en los que participa el grupo de Análisis y Diseño Mecánico (ADM) de la Escuela de Ingenieros de Bilbao, se encuentra el campo de rodamientos de vuelco. Para este tipo de rodamiento, ... -
Las fórmulas epigráficas honore contentus, honore accepto, honore usus en los homenajes hispanos. Estudio preliminar
Ortiz de Urbina Álava, Estíbaliz (Universidad del País Vasco, 2008)
[ES] Se presenta un estudio preliminar, relativo a la representación geográfica, al contexto cronológico y a las variantes epigráficas que presentan en ochenta y dos dedicaciones hispanas las fórmulas finales honore ... -
Fórmulas infantiles suplementadas con bacterias probióticas
(2023-09-06)Los lactantes se tratan de un grupo poblacional altamente susceptible al ambiente y los diversos factores que les rodean. La microbiota intestinal es una barrera contra los diferentes patógenos que pueden desencadenar ... -
FPGA gailu birkonfiguragarriak: kontrol-sistema konplexuak inplementatzeko aukera berriak
; Ibarra Basabe, Edorta; Andreu Larrañaga, Jon ; Kortabarria Iparragirre, Iñigo ; Martínez de Alegría Mancisidor, Iñigo (Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2010)
FPGAk (Field Programmable Gate Array), hardware funtzionalitate konplexuak egikari ditzaketen gailu birkonfiguragarriak dira. Azken urteotan, izugarri garatu dira eta ASICen (Application Specific Integrated Circuit) eta ... -
FPGAtan gauzatutako sistema digitaletan kontsumoa neurtzeko eta murrizteko estrategien aplikazioa
(2017-10-04)Lan honen baitan Field Programmable Gate Array (FPGA)tan aplikatu daitezkeen kon- tsumorako neurketa eta kontrolerako tekniken azterketa eta inplementazioa egingo da. Horretarako lehenik eta behin teknika hauei dagozkien ... -
FPL potentzia-bihurgailuen analisia akats elektrikoetan zehar
; Planas Fullaondo, Estefanía; ; De Marcos Arocena, Ander ; Navarro Temoche, Adriano (Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2024)
Distribution lines are dealing with several challenges such as the increase in power consumption, the integration of renewable resources, etc. which are driving them to more intelligent grids or smart grids. In these smart ... -
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Fraccionamiento del licor gastado en pasteado al sulfito ácido mediante ultrafiltración
(2015-06-04)Lignosulphonates (LS) and fermentable sugars are the main components of spent sulphite liquors (SSL) produced in acid sulphite pulping. In spite of different methods have been used for spent liquor fractionation such as ... -
Fracking: Impacto Económico y Repercusión Social y Medioambiental
(2014-09-10)El proyecto en un análisis en castellano de la industria de extracción de recursos no convencionales, denominada fractura hidráulica o fracking,desde el punto de vista del impacto económico e, indirectamente, la repercusión ... -
Fractional Coupled Hybrid Sturm–Liouville Differential Equation with Multi-Point Boundary Coupled Hybrid Condition
Paknazar, Mohadeseh; De la Sen Parte, Manuel (MDPI, 2021-04-16)
The Sturm–Liouville differential equation is an important tool for physics, applied mathematics, and other fields of engineering and science and has wide applications in quantum mechanics, classical mechanics, and wave ... -
Fractional hold circuits versus positive realness of discrete transfer functions
De la Sen Parte, Manuel; Bilbao Guillerna, A. (Hindawi Publishing Corporation, 2005)
The appropriate use of fractional-order holds(beta-FROH) of correcting gains beta is an element of[- 1,1] as an alternative to the classical zero- and first-order holds(ZOHs, FOHs) is discussed related to the positive ... -
Fractional Integration Analysis and its Implications on Profitability: the Case of the Mackerel Market in the Basque Country
García Enríquez, Javier; Arteche González, Jesús María ; Murillas Maza, Arantza (2010)
This paper analyses weekly prices for mackerel landed by the inshore fleet at the ports of the Basque Country in 1995-2008, using new econometric techniques never before applied to the fishing market. The idea is to learn ... -
Fractional Order Operator for Symmetric Analysis of Cancer Model on Stem Cells with Chemotherapy
; ; ; De la Sen Parte, Manuel (MDPI, 2023-02-16)
Cancer is dangerous and one of the major diseases affecting normal human life. In this paper, a fractional-order cancer model with stem cells and chemotherapy is analyzed to check the effects of infection in individuals. ... -
Fractional Order PID Design for a Proton Exchange Membrane Fuel Cell System Using an Extended Grey Wolf Optimizer
Silaa, Mohammed Yousri; Barambones Caramazana, Oscar; Derbeli, Mohamed; Napole, Cristian; Bencherif, Aissa (MDPI, 2022-02-23)
This paper presents a comparison of optimizers for tuning a fractional-order proportional-integral-derivative (FOPID) and proportional-integral-derivative (PID) controllers, which were applied to a DC/DC boost converter. ... -
Fractionated crystallization in semicrystalline polymers
; ; ; ; ; ; Müller Sánchez, Alejandro Jesús (Elsevier, 2021-02-16)
The crystallization of heterogeneously nucleated bulk polymers typically occurs in a single exothermic process, within a narrow temperature range, i.e., a single exothermic peak is detected by Differential Scanning Calorimetry ... -
Fractionation of lignin using organic solvents: A combined experimental and theoretical study
Ponnuchamy, Veerapandian; ; Herrera Díaz, René; Sandak, Anna ; Sandak, Jakub (Elsevier, 2021-01-31)
Refining of industrial lignin to produce homogeneous fractions is essential for high-value applications. However, the understanding of key interactions between a variety of solvents with lignin polymer is still uncertain. ... -
Fractionation of non-timber wood from Atlantic mixed forest into high-value lignocellulosic materials
(Taylor & Francis, 2020-03-10)[EN] The forestry industry in the Basque Country has experienced an abandonment of small-sized forests in which native and introduced species tend to regrow if unattended; thus, requiring an intervention under which proper ...