• Saline slag waste as an aluminum source for the synthesis of Zn–Al–Fe–Ti layered double-hydroxides as catalysts for the photodegradation of emerging contaminants 

      Santamaría Arana, Leticia Upna Orcid; Vicente, Miguel Ángel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      In this work, aluminum extracted from saline slag waste is valorized to create a layered double-hydroxide series containing zinc and various proportions of aluminum/titanium. Materials were synthesized by the co-precipitation ...
    • Scalable Bayesian modeling for smoothing disease mapping risks in large spatial data sets using INLA 

      Orozco Acosta, Erick Upna Orcid; Adin Urtasun, Aritz Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Several methods have been proposed in the spatial statistics literature to analyse big data sets in continuous domains. However, new methods for analysing high-dimensional areal data are still scarce. Here, we propose a ...
    • Scores of hesitant fuzzy elements revisited: "Was sind und was sollen" 

      Alcantud, José Carlos R.; Campión Arrastia, María Jesús Upna Orcid; Induráin Eraso, Esteban Upna Orcid; Munárriz Iriarte, Ana (Elsevier, 2023)   Artículo / Artikulua
      This paper revolves around the notion of score for hesitant fuzzy elements, the constituent parts of hesitant fuzzy sets. Scores allow us to reduce the level of uncertainty of hesitant fuzzy sets to classical fuzzy sets, ...
    • Self-referenced optical fiber sensor based on LSPR generated by gold and silver nanoparticles embedded in layer-by-layer nanostructured coatings 

      Martínez Hernández, María Elena Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Sandúa Fernández, Xabier; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      In this work, an optical fiber sensor based on the localized surface plasmon resonance (LSPR) phenomenon has been designed for the detection of two different chemical species (mercury and hydrogen peroxide) by using ...
    • Self-referenced optical fiber sensor for hydrogen peroxide detection based on LSPR of metallic nanoparticles in layer-by-layer films 

      Goicoechea Fernández, Javier Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Sada Oreja, Samuel; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      Intensity-based optical fiber sensors are one of the most studied sensor approaches thanks to their simplicity and low cost. Nevertheless, their main issue is their lack of robustness since any light source fluctuation, ...
    • Separación electrostática de una emulsión de glicerina en biodiésel con aplicación de varios voltajes y distancias entre electrodos 

      Huangal, Sebastian; Cieza, Jaime L.; Gil Bravo, Antonio Upna Orcid (Centro de Información Tecnológica, 2019)   Artículo / Artikulua  OpenAccess
      Con el propósito de aplicar una tecnología limpia y de bajo consumo energético en la separación de emulsiones, se construyó un separador electrostático de 1,0 dm3. Se utilizaron electrodos de cobre rectangulares. Para los ...
    • Series representations of the Volterra function and the Fransén–Robinson constant 

      López García, José Luis Upna Orcid; Pagola Martínez, Pedro Jesús Upna; Palacios Herrero, Pablo Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      The Volterra function μ(t,β,α) was introduced by Vito Volterra in 1916 as the solution to certain integral equations with a logarithmic kernel. Despite the large number of applications of the Volterra function, the only ...
    • Setting a comprehensive strategy to face the runback icing phenomena 

      Mora, Julio; García, Paloma; Carreño, Francisco; González, Miguel; Gutiérrez, Marcos; Montes, Laura; Rico, Victor J.; López-Santos, Carmen; Vicente Gómara, Adrián Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Rodríguez Trías, Rafael Upna Orcid; Larumbe, Silvia; Acosta, Carolina; Ibáñez-Ibáñez, Pablo; Corozzi, Alessandro.; Raimondo, Mariarosa; Kozera, Rafal; Przybyszewski, Bartlomiej; González-Elipe, Agustín R.; Borrás, Ana; Redondo, Francisco; Agüero, Alina (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      The development of anti-icing robust surfaces is a hot topic nowadays and particularly crucial in the aeronautics or wind energy sectors as ice accretion can compromise safety and power generation efficiency. However, the ...
    • Shear based gap control in 2D photonic quasicrystals of dielectric cylinders 

      Andueza Unanua, Ángel María Upna Orcid; Sevilla Moróder, Joaquín Upna Orcid; Pérez Conde, Jesús Upna Orcid; Wang, Kang (Optica, 2021)   Artículo / Artikulua  OpenAccess
      2D dielectric photonic quasicrystals can be designed to show isotropic band gaps. In this work we study a quasiperiodic lattice made of silicon dielectric cylinders (ε = 12) arranged as periodic unit cell based on a decagonal ...
    • A simple approach to develop tailored mesoporosity in nanostructured heteropolysalts 

      Alcañiz Monge, Juan; Trautwein, Guido; El Bakkali, Bouchra; Reinoso, Santiago Upna Orcid (Wiley, 2017)   Artículo / Artikulua  OpenAccess
      In this study, we describe a very simple approach to the development of tailored mesoporosity in any nanostructured heteropolysalt with control over both the mesoporous volume and the pore size. This approach, which consists ...
    • A simplification of the stationary phase method: application to the Anger and Weber functions 

      López García, José Luis Upna Orcid (Kent State UniversityJohann Radon Institute (RICAM), 2017)   Artículo / Artikulua  OpenAccess
      The main difficulty in the practical use of the stationary phase method in asymptotic expansions of integrals is originated by a change of variables. The coefficients of the asymptotic expansion are the coefficients of the ...
    • Single-crystal-to-single-crystal transformations triggered by dehydration in polyoxometalate-based compounds 

      Reinoso, Santiago Upna Orcid; Artetxe, Beñat; Gutiérrez Zorrilla, Juan M. (International Union of Crystallography, 2018)   Artículo / Artikulua  OpenAccess
      Single-crystal-to-single-crystal transformations are solid-state phase transitions between different crystalline states in which the crystal integrity and the long-range structural order are retained through the whole ...
    • Singular reduction of resonant Hamiltonians 

      Meyer, Kenneth Ray; Palacián Subiela, Jesús Francisco Upna Orcid; Yanguas Sayas, Patricia Upna Orcid (IOP PublishingLondon Mathematical Society, 2018)   Artículo / Artikulua  OpenAccess
      We investigate the dynamics of resonant Hamiltonians with n degrees of freedom to which we attach a small perturbation. Our study is based on the geometric interpretation of singular reduction theory. The flow of the ...
    • Small area estimation of gender-based violence: rape incidence risks in Uttar Pradesh, India 

      Vicente Fuenzalida, Gonzalo; Goicoa Mangado, Tomás Upna Orcid; Puranik, A; Ugarte Martínez, María Dolores Upna Orcid (Society of Statistics, Computer and Applications, 2018)   Artículo / Artikulua  OpenAccess
      Violence against women is considered an endemic problem in communities and countries around the world, and it has been declared an issue of epidemic proportions by the World Health Organization (WHO). In India, where the ...
    • Small area variations in non-affective first-episode psychosis: the role of socioeconomic and environmental factors 

      Gutiérrez, Gerardo; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid; Aranguren Conde, Lidia; Corrales, Asier; Gil Berrozpe, Gustavo José; Librero, Julián; Sánchez Torres, Ana María Upna Orcid; Peralta Martín, Víctor; García de Jalón, Elena; Cuesta, Manuel J.; Martínez, Matilde; Otero, María; Azcárate, Leire; Pereda, Nahia; Monclús, Fernando; Moreno, Laura; Fernández, Alba; Ariz, Mari Cruz; Sabaté, Alba; Aquerreta, Ainhoa; Aguirre, Izaskun; Lizarbe, Tadea; Begué, María José (Springer, 2023)   Artículo / Artikulua
      Background: There is strong evidence supporting the association between environmental factors and increased risk of non-affective psychotic disorders. However, the use of sound statistical methods to account for spatial ...
    • The Southwestern Europe Meteor Network: development of new artificial intelligence tools and remarkable fireballs observed from January to February 2022 

      Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia Upna Orcid; Palacián Subiela, Jesús Francisco Upna Orcid; San-Segundo, A.; Ávila, D.; Tosar, Borja; Gómez-Hernández, A.; Gómez-Martínez, J.; Aimee, A. I. (MeteorNews, 2022)   Artículo / Artikulua  OpenAccess
      In this work we focus on the development of an artificial intelligence in the framework of the Southwestern Europe Meteor Network (SWEMN) and the SMART project. This is named AIMIE, and is capable of writing scientific ...
    • The Southwestern Europe Meteor Network: new advances and analysis of bright fireballs recorded from September to December 2021 

      Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia Upna Orcid; Palacián Subiela, Jesús Francisco Upna Orcid; San-Segundo, A.; Ávila, D. (MeteorNews, 2022)   Artículo / Artikulua  OpenAccess
      In this work we focus on some recent improvements performed in the framework of the Southwestern Europe Meteor Network (SWEMN) and the SMART project. Thus, by employing artificial intelligence methods, we have significantly ...
    • The Southwestern Europe Meteor Network: notable meteors spotted between December 2022 and January 2023 

      Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia Upna Orcid; Palacián Subiela, Jesús Francisco Upna Orcid; San Segundo, A.; Ávila, D.; Tosar, B.; Gómez-Hernández, A.; Gómez-Martínez, Juan; García, Antonio; Aimee, A. I. (MeteorNews, 2023)   Artículo / Artikulua  OpenAccess
      We present in this report the analysis of some of the notable meteors registered in the framework of the Southwestern Europe Meteor Network between December 2022 and January 2023. These were recorded from Spain. Their peak ...
    • The Southwestern Europe Meteor Network: recent advances and analysis of bright fireballs recorded along April 2021 

      Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia Upna Orcid; Palacián Subiela, Jesús Francisco Upna Orcid; San-Segundo, A.; Ávila, D. (MeteorNews, 2021)   Artículo / Artikulua  OpenAccess
      We present here some recent improvements performed in the framework of the Southwestern Europe Meteor Network (SWEMN) and the SMART project. In particular, we focus on the development of the first digital database dedicated ...
    • Space-time analysis of ovarian cancer mortality rates by age groups in Spanish provinces (1989-2015) 

      Trandafir, Paula Camelia Upna Orcid; Adin Urtasun, Aritz Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid (BioMed Central, 2020)   Artículo / Artikulua  OpenAccess
      Background: Ovarian cancer is a silent and largely asymptomatic cancer, leading to late diagnosis and worse prognosis. The late-stage detection and low survival rates, makes the study of the space-time evolution of ovarian ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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