Listar Artículos de revista - Aldizkari artikuluak por título

Mostrando ítems 565-584 de 5919

    • Brillouin optical time-domain analysis sensor assisted by Brillouin distributed amplification of pump pulses 

      Urricelqui Polvorinos, Javier Upna Orcid; Sagüés García, Mikel Upna Orcid; Loayssa Lara, Alayn Upna Orcid (Optical Society of America, 2015)   Artículo / Artikulua  OpenAccess
      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 ...

    • Brillouin optical time-domain analysis sensor with pump pulse amplification 

      Mompó Roselló, Juan José Upna; Urricelqui Polvorinos, Javier Upna Orcid; Loayssa Lara, Alayn Upna Orcid (Optical Society of America, 2016)   Artículo / Artikulua  OpenAccess
      We demonstrate a simple technique to provide conventional Brillouin optical time-domain analysis sensors with mitigation for pump pulse attenuation. The technique is based on operating the sensor in loss configuration so ...

    • Bringing the natives back: identifying and alleviating establishment limitations of native hardwood species in a conifer plantation 

      Li, Yu-Tsen; Lo, Yueh-Hsin Upna Orcid; Lin, Yi-Ching; Guan, Biing T.; Blanco Vaca, Juan Antonio Upna Orcid; You, Chi-How (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      To facilitate the reintroduction of five native late-successional Taiwanese Fagaceae species into Japanese cedar (Cryptomeria japonica (D.) Don) plantations, we experimented with methods to alleviate their establishment ...

    • Broadband 3-D shared aperture high isolation nine-element antenna array for on-demand millimeter-wave 5G applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Vadalà, Valeria; Dalarsson, Mariana; Cos Gómez, María Elena de; Alharbi, Abdullah G.; Burokur, Shah Nawaz; Aïssa, Sonia; Dayoub, Iyad; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      The paper presents the results of a novel 3-D shared aperture 3 × 3 matrix antenna-array for 26 GHz band 5 G wireless networks. Radiation elements constituting the array are hexagonal-shaped patches that are elevated ...

    • Broadband frequency and angular response of a sinusoidal bull’s eye antenna 

      Beaskoetxea Gartzia, Unai Upna Orcid; Navarro Cía, Miguel Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IOP Publishing, 2016)   Artículo / Artikulua  OpenAccess
      A thorough experimental study of the frequency and beaming angle response of a metallic leaky-wave bull’s eye antenna working at 77 GHz with a sinusoidally corrugated profile is presented. The beam scanning property of ...

    • Broadband radar cross-section reduction using AMC technology 

      Iriarte Galarregui, Juan Carlos Upna Orcid; Tellechea Pereda, Amagoia Upna Orcid; Martínez de Falcón, José Luis Upna; Ederra Urzainqui, Íñigo Upna Orcid; Gonzalo García, Ramón Upna Orcid; Maagt, Peter de (IEEE, 2013)   Artículo / Artikulua  OpenAccess
      This paper presents the design, fabrication and characterization of a planar broadband chessboard structure to reduce the radar cross-section (RCS) of an object. The chessboard like configuration is formed by combining two ...

    • Broadband spoof plasmons and subwavelength electromagnetic energy confinement on ultrathin metafilms 

      Navarro Cía, Miguel Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Agrafiotis, Spyros; Falcone Lanas, Francisco Javier Upna Orcid; Sorolla Ayza, Mario Upna; Maier, Stefan A. (Optical Society of America, 2009)   Artículo / Artikulua  OpenAccess
      A complementary split ring resonator (CSRR)-based metallic layer is proposed as a route to mimic surface plasmon polaritons. A numerical analysis of the textured surface is carried out and compared to previous prominent ...

    • Brown adipose tissue volume and 18F-fluorodeoxyglucose uptake are not associated with energy intake in young human adults 

      Sánchez Delgado, Guillermo; Acosta, Francisco M.; Martínez Téllez, Borja; Finlayson, Graham; Gibbons, Catherine; Labayen Goñi, Idoia Upna Orcid; Llamas Elvira, José M.; Gil, Ángel; Blundell, John E.; Ruiz, Jonatan R. (American Society for Nutrition, 2020)   Artículo / Artikulua  OpenAccess
      BACKGROUND: Several studies have explored the role of human brown adipose tissue (BAT) in energy expenditure. However, the link between BAT and appetite regulation needs to be more rigorously examined. OBJECTIVES: We aimed ...

    • BRScS: a hybrid recommendation model fusing multi-source heterogeneous data 

      Ji, Zhenyan; Yang, Chun; Wang, Huihui; Armendáriz Íñigo, José Enrique Upna Orcid; Arce Urriza, Marta Upna Orcid (SpringerOpen, 2020)   Artículo / Artikulua  OpenAccess
      Recommendation systems are often used to solve the problem of information overload on the Internet. Many types of data can be used for recommendations, and fusing different types of data can make recommendations more ...

    • Brucella abortus ornithine lipids are dispensable outer membrane components devoid of a marked pathogen-associated molecular pattern 

      Palacios Chaves, Leyre; Conde Álvarez, Raquel; Gil Ramírez, Yolanda Upna; Zúñiga Ripa, Amaia; Barquero-Calvo, Elías; Chacón Díaz, Carlos; Chaves Olarte, Esteban; Arce Gorvel, Vilma; Gorvel, Jean-Pierre; Moreno, Edgardo; Miguel, María Jesús de; Grilló Dolset, María Jesús; Moriyón Uría, Ignacio; Iriarte, Maite (Public Library of Science, 2011)   Artículo / Artikulua  OpenAccess
      The brucellae are alpha-Proteobacteria facultative intracellular parasites that cause an important zoonosis. These bacteria escape early detection by innate immunity, an ability associated to the absence of marked ...

    • Brucella melitensis wzm/wzt system: changes in the bacterial envelope lead to improved rev1Δwzm vaccine properties 

      Mena Bueno, Sara; Poveda Urkixo, Irati; Irazoki, Oihane; Palacios Chaves, Leyre; Cava, Felipe; Zabalza Baranguá, Ana Upna; Grilló Dolset, María Jesús (Frontiers Media, 2022)   Artículo / Artikulua  OpenAccess
      The lipopolysaccharide (LPS) O-polysaccharide (O-PS) is the main virulence factor in Brucella. After synthesis in the cytoplasmic membrane, O-PS is exported to the periplasm by the Wzm/Wzt system, where it is assembled ...

    • Brucellosis vaccines: assessment of brucella melitensis lipopolysaccharide rough mutants defective in core and O-polysaccharide synthesis and export 

      González, David; Grilló Dolset, María Jesús; Miguel, María Jesús de; Ali, Tara; Arce Gorvel, Vilma; Delrue, Rose May; Conde Álvarez, Raquel; Muñoz Álvaro, Pilar María; López Goñi, Ignacio; Iriarte, Maite; Marín, Clara M.; Weintraub, Andrej; Widmalm, Goeran; Zygmunt, Michel; Letesson, Jean-Jacques; Gorvel, Jean-Pierre; Blasco, José María Upna; Moriyón Uría, Ignacio (Public Library of Science, 2008)   Artículo / Artikulua  OpenAccess
      Background: The brucellae are facultative intracellular bacteria that cause brucellosis, one of the major neglected zoonoses. In endemic areas, vaccination is the only effective way to control this disease. Brucella ...

    • La bruja, la tunda y la mula: el diablo y la hembra en las construcciones de la resistencia afro-ecuatoriana 

      Fernández Rasines, Paloma Upna Orcid (FLACSO Sede Ecuador, 2001)   Artículo / Artikulua  OpenAccess
      Este artículo es una versión revisada que pertenece a un estudio más extenso enmarcado en la antropología feminista, con base en un trabajo intensivo de campo en el Ecuador. El grueso del trabajo se apoya en testimonios ...

    • Buenas intenciones y práctica real : la expresión escrita en la asimilación de conceptos lingüísticos en bachillerato 

      Allué Villanueva, Consuelo Upna (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2013)   Artículo / Artikulua  OpenAccess
      Con este trabajo de presentación de nuestras experiencias con el alumnado de 1º de Bachiller en las clases de Lengua y Literatura, pretendemos evidenciar cómo las tareas habituales y sistemáticas de expresión escrita, ...

    • Building capacity for health promotion by addressing nurses' role confusion: study protocol of a pilot clustered randomised controlled trial 

      Iriarte Roteta, Andrea Upna Orcid; López de Dicastillo Sáinz de Murieta, Olga Upna Orcid; Mujika Zabaleta, Agurtzane; Antoñanzas Baztán, Elena Upna Orcid; Hernantes Colias, Naia; Galán Espinilla, María José Upna Orcid; Pumar Méndez, María Jesús Upna Orcid (Wiley, 2021)   Artículo / Artikulua  OpenAccess
      Aim: To describe the protocol for the pilot phase of a complex intervention, designed to address primary care nurses' role confusion in health promotion. Design: A pilot clustered randomized controlled trial, with control ...

    • Building decentralized fog computing-based smart parking systems: from deterministic propagation modeling to practical deployment 

      Celaya Echarri, Mikel Upna Orcid; Froiz Míguez, Iván; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; López Iturri, Peio Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      The traditional process of finding a vacant parking slot is often inefficient: it increases driving time, traffic congestion, fuel consumption and exhaust emissions. To address such problems, smart parking systems have ...

    • Building highly conditional almost greedy and quasi-greedy bases in Banach spaces 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Dilworth, S. J.; Kutzarova, Denka (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      It is known that for a conditional quasi-greedy basis B in a Banach space X, the associated sequence (k(m)[B](m=1)(infinity) of its conditionality constants verifies the estimate k(m)[B] = O(log m) and that if the reverse ...

    • Building social capital through sport engagement: evidence for adults aged 50 years and older 

      Sánchez-Santos, José Manuel; Rungo, Paolo; Lera López, Fernando Upna Orcid (Cambridge, 2022)   Artículo / Artikulua  OpenAccess
      Involvement in sports is considered a powerful way to generate social capital. However, the role of sport engagement in the development of social relationships of older adults has not received much attention. Remarkably, ...

    • Building standardized and secure mobile health services based on social media 

      Trigo Vilaseca, Jesús Daniel Upna Orcid; Rubio, Óscar J.; Martínez de Espronceda Cámara, Miguel Upna Orcid; Alesanco, Álvaro; Alenza García, José Francisco Upna Orcid; Serrano Arriezu, Luis Javier Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Mobile devices and social media have been used to create empowering healthcare services. However, privacy and security concerns remain. Furthermore, the integration of interoperability biomedical standards is a strategic ...

    • Bulk optical of potato flesh in the 500 – 1900 nm range 

      López Maestresalas, Ainara Upna Orcid; Aernouts, Ben; Van Beers, Robbe; Arazuri Garín, Silvia Upna Orcid; Jarén Ceballos, Carmen Upna Orcid; Baerdemaeker, Josse de; Saeys, Wouter (Springer US, 2015)   Artículo / Artikulua  OpenAccess
      In this study, the optical properties of potato flesh tissue were estimated using double-integrating sphere (DIS) measurements combined with an inverse adding-doubling (IAD) light propagation model. Total reflectance, ...
      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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