BackBrowsing Artículos, Comunicaciones, Libros by Title
Now showing items 7815-7834 of 11681
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Operating conditions for attenuating Ni/La2O3-αAl2O3 catalyst deactivation in the steam reforming of bio-oil aqueous fraction
; ; Aguayo Urquijo, Andrés Tomás
; ; (Elsevier, 2013-07-16)
A study was carried out on the effect of temperature (in the 500–800 °C range) and space–time (between 0.10 and 0.45 gcatalyst h(gbio-oil)− 1) on Ni/La2O3–αAl2O3 catalyst deactivation by coke deposition in the steam reforming ... -
Operating Point Optimization of a Hydrogen Fueled Hybrid Solid Oxide Fuel Cell-Steam Turbine (SOFC-ST) Plant
Ugartemendia de la Iglesia, Juan José; Ostolaza Zamora, Joseba Xabier ; Zubia Olaskoaga, Itziar (MDPI, 2013-09-30)
This paper presents a hydrogen powered hybrid solid oxide fuel cell-steam turbine (SOFC-ST) system and studies its optimal operating conditions. This type of installation can be very appropriate to complement the intermittent ... -
Operation strategies guideline for packed bed thermal energy storage systems
; ; ; ; ; ; Rodríguez Aseguinolaza, Javier (Wiley, 2018-10-14)
Packed bed thermal energy storage (TES) systems have been identified in the last years as one of the most promising TES alternatives in terms of thermal efficiency and economic viability. The relative simplicity of this ... -
Opiniones de las familias sobre la comida del comedor escolar
Mauleón Gómez, José Ramón (Egregius, 2018-10-01)
[EN] The results of a survey of 833 families with children in the Primary cycle attending the school cafeteria are presented. Opinions are collected from 33 public and private centers of the Basque Country. Overall ... -
Opinión de los facultativos y usuarios sobre avances de la e-salud en atención primaria
(Elsevier, 2020-06)[ES] Objetivo Explorar las opiniones de los usuarios y de los facultativos sobre el avance de la e-salud en atención primaria. Diseño Grupos focales realizados entre el 1 de mayo y el 25 de septiembre de 2018. Em ... -
Opipramol Inhibits Lipolysis in Human Adipocytes without Altering Glucose Uptake and Differently from Antipsychotic and Antidepressant Drugs with Adverse Effects on Body Weight Control
(MDPI, 2020-03-05)Treatment with several antipsychotic drugs exhibits a tendency to induce weight gain and diabetic complications. The proposed mechanisms by which the atypical antipsychotic drug olanzapine increases body weight include ... -
Oportunidades de inclusión en el deporte. Estudio de caso de un deportista con parálisis cerebral
; ; Usabiaga Arruabarrena, Oidui (Universidad de Valladolid, 2022)
En el presente trabajo se estudia el caso de Maikel, un deportista con parálisis cerebral (PC) que practica deportes tanto en grupo inclusivo como específico o segregado. A partir de la metodología cualitativa se pretende ... -
Oportunidades para la transmisión de información médica en las nuevas redes de misión crítica
Sanchoyerto Martínez, Aitor; (Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2018)
Tradicionalmente han existido dos familias de tecnología separadas para proporcionar comunicaciones inalámbricas de área amplia: redes celulares comerciales y sistemas de seguridad pública dedicados, generalmente basados ... -
Oportunidades y necesidades percibidas entre los docentes de Educación Primaria para el uso educativo de las TIC*
Larrañaga Aizpuru, Nekane; Jiménez Iglesias, Estefanía ; Garmendia Larrañaga, Maialen Sorkunde (Universitat Autonoma de Barcelona, 2023-03)
La implementación de la tecnología en educación supone cambios para la comunidad escolar. La pandemia del covid-19 reactivó el uso de las TIC en educación, por lo que el profesorado debió prepararse para este reto. En el ... -
La oposición estructural «copulativas/disyuntivas» en los gramáticos latinos
(Instituto de Ciencias de la Antigüedad, Universidad del País Vasco / Aintzinate-Zientzien Institutua, Euskal Herriko UnibertsitateaInstituto de Ciencias de la Antigüedad, Universidad del País Vasco / Aintzinate-Zientzien Institutua, Euskal Herriko Unibertsitatea, 1988)[EN] Generally the opinion about Latin grammarians ist that only transmited the theories of Greeks without important contributions. This paper, in which we analyse their explanations of copulative and disjuntive conjuntions, ... -
Opportunities for organocatalysis in polymer synthesis via step-growth methods
(Elservier, 2019-03-14)Organocatalysis has emerged as an invaluable tool for polymer synthesis and has already demonstrated versatility for replacing organometallic catalysts in many polymerization reactions. The overall ease of removal and lower ... -
Opposite Alterations of 5¬HT2A Receptor Brain Density in Subjects with Schizophrenia: Relevance of Radiotracers Pharmacological Profile
Díez Alarcia, Rebeca; Muguruza Millán, Carolina ; Rivero Calera, Guadalupe ; García Bea, Aintzane; Gómez Vallejo, Vanessa; Callado Hernando, Luis Felipe ; Llop Roig, Jordi ; Martín Muñoz, Abraham; Meana Martínez, José Javier (Springer, 2021-05-20)
The status of serotonin 5HT2A receptors (5HT2ARs) in schizophrenia has been controversial. In vivo positron emission tomography neuroimaging and in vitro post-mortem binding studies have reported conflicting results about ... -
Opposite Cannabis-Cognition Associations in Psychotic Patients Depending on Family History
González Pinto Arrillaga, Ana María; ; Alberich, Susana ; Ruiz de Azúa García, Sonia ; ; ; ; ; ; ; ; ; (Public Library Science, 2016-08-11)
The objective of this study is to investigate cognitive performance in a first-episode psychosis sample, when stratifying the interaction by cannabis use and familial or non-familial psychosis. Hierarchical-regression ... -
Optical Characterization of Doped Thermoplastic and Thermosetting Polymer-Optical-Fibers
Ayesta Ereño, Igor; Illarramendi Leturia, María Asunción ; Arrue Aramburu, Juan Antonio ; Parola Domingo, Itxaso; Jiménez Hernández, Felipe; ; Tagaya, Akihiro; Koike, Yasuhiro (MDPI, 2017-03)
The emission properties of a graded-index thermoplastic polymer optical fiber and a step-index thermosetting one, both doped with rhodamine 6G, have been studied. The work includes a detailed analysis of the amplified ... -
Optical Dual Laser Based Sensor Denoising for OnlineMetal Sheet Flatness Measurement Using Hermite Interpolation
(MDPI, 2020-09-22)Flatness sensors are required for quality control of metal sheets obtained from steel coils by roller leveling and cutting systems. This article presents an innovative system for real-time robust surface estimation of ... -
Optical fiber interferometer for temperature-independent refractive index measuring over a broad range
; Illarramendi Leturia, María Asunción; ; (Elsevier, 2021-07)
The present work relates to manufacturing of a simple interferometric optical fiber refractometer that features broad refractive index measuring range without ambiguity. The device consists of a cylindrical polymer cavity ... -
Optical Fiber Sensors for Aircraft Structural Health Monitoring
; ; Durana Apaolaza, Gaizka; Aldabaldetreku Etxeberria, Gotzon ; Illarramendi Leturia, María Asunción ; (MDPI, 2015-06)
Aircraft structures require periodic and scheduled inspection and maintenance operations due to their special operating conditions and the principles of design employed to develop them. Therefore, structural health monitoring ... -
Optical Functionality Simulation Through Traceable Characterization of Optical Components
(Elsevier, 2024-03-13)The production of high-value components containing functional micro- and submicron-scale features requires the implementation of high-quality in-process inspection technologies to guarantee zero-defect manufacturing, ... -
Optical Helicity and Optical Chirality in Free Space and in the Presence of Matter
(MDPI, 2019-09-03)The inherently weak nature of chiral light-matter interactions can be enhanced by orders of magnitude utilizing artificially-engineered nanophotonic structures. These structures enable high spatial concentration of ... -
Optical properties of metals: Infrared emissivity in the anomalous skin effect spectral region
Echániz Ariceta, Telmo; ; (American Institute of Physics, 2014-09-07)
When the penetration depth of an electromagnetic wave in a metal is similar to the mean free path of the conduction electrons, the Drude classical theory is no longer satisfied and the skin effect becomes anomalous. Physical ...