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    • Wage stickiness and unemployment fluctuations: an alternative approach 

      Casares Polo, Miguel Upna Orcid; Moreno, Antonio Upna; Vázquez, Jesús (Springer, 2012)   Artículo / Artikulua  OpenAccess
      Erceg et al. (J Monet Econ 46:281–313, 2000) introduce sticky wages in a New-Keynesian general-equilibrium model. Alternatively, it is shown here how wage stickiness may bring unemployment fluctuations into a New-Keynesian ...

    • Waist circumference and abdominal volume index can predict metabolic syndrome in adolescents, but only when the criteria of the international diabetes federation are employed for the diagnosis 

      Perona, Javier S.; Schmidt Río-Valle, Jacqueline; Fernández Aparicio, Ángel; Correa Rodríguez, María; Ramírez Vélez, Robinson Upna Orcid; González Jiménez, Emilio (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      We previously reported, using the diagnostic criteria of the International Diabetes Federation (IDF), that waist circumference (WC) and abdominal volume index (AVI) were capable of predicting metabolic syndrome (MetS) in ...

    • Wall fabrication by direct energy deposition (DED) combining mild steel (ER70) and stainless steel (SS 316L): microstructure and mechanical properties 

      Uralde Jiménez, Virginia; Suárez, Alfredo; Aldalur, Eider; Veiga Suárez, Fernando Upna Orcid; Ballesteros Egüés, Tomás Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      Direct energy deposition is gaining much visibility in research as one of the most adaptable additive manufacturing technologies for industry due to its ease of application and high deposition rates. The possibility of ...

    • A water content continuous monitoring of grapevine xylem tissue using a portable low-power cost-effective FMCW radar 

      Quemada Mayoral, Carlos Upna Orcid; García González, Cebrián Upna; Iriarte Galarregui, Juan Carlos Upna Orcid; Marín Ederra, Diana Upna Orcid; Gastón Beraza, Diego; Miranda Jiménez, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Maestrojuán Biurrun, Itziar Upna; Santesteban García, Gonzaga Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      This paper presents the real-time monitoring of a grapevine’s water content that flows up through the xylem tissue by means of a frequency-modulated continuous-wave (FMCW) radar. The application of an optimization process, ...

    • Water footprint and virtual water trade of maize in the province of Buenos Aires, Argentina 

      Arrien, María Macarena; Martínez Aldaya, Maite Upna Orcid; Rodríguez, Corina Iris (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Agriculture is the largest fresh water consuming sector, and maize is the most produced and consumed crop worldwide. The water footprint (WF) methodology quantifies and evaluates the water volumes consumed and polluted by ...

    • Water footprint and virtual water trade: the birth and growth of a new research field in Spain 

      Martínez Aldaya, Maite Upna Orcid; Garrido, Alberto; Llamas, Ramón (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      The growth in the number of studies applying and expanding the concepts of the water footprint and virtual water trade in Spain has generated a wealth of lessons and reflections about the scarcity, allocation, productive ...

    • Water footprint of the water cycle of Gran Canaria and Tenerife (Canary Islands, Spain) 

      Cruz Pérez, Noelia; Santamarta, Juan C.; García Gil, Alejandro; Rodríguez Martín, Jesica; Miralles Wilhelm, Fernando; Hernández Alemán, Anastasia; Martínez Aldaya, Maite Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      When it comes to exploiting natural resources, islands have limitations due to the quantity of these resources and the potential for harm to the ecosystem if exploitation is not done in a sustainable manner. This article ...

    • Watering or buffering? Runoff and sediment pollution control from furrow irrigated fields in arid environments 

      Campo-Bescós, Miguel Upna Orcid; Muñoz Carpena, Rafael Upna Orcid; Kiker, Gregory A.; Bodah, Brian W.; Ullman, Jeffrey L. (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      Surface irrigated agriculture in arid and semi-arid regions contributes to downstream environmental degradation. Changes in irrigation system operational scenarios (ISOS) can represent an economic alternative to reduce ...

    • Watt-level green random laser at 532  nm by SHG of Yb-doped fiber laser 

      Rota Rodrigo, Sergio Upna; Gouhier, B.; Dixneuf, C.; Antoni Micollier, L.; Guiraud, G.; Leandro González, Daniel Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; Traynor, N.; Santarelli, Giorgio (Optical Society of America, 2018)   Artículo / Artikulua  OpenAccess
      We have developed a Watt-level random laser at 532 nm. The laser is based on a 1064 nm random distributed ytterbium-gain assisted fiber laser seed with a 0.35 nm line-width and 900 mW polarized output power. A study for ...

    • Wavelength and intensity based lossy mode resonance breathing sensor 

      Bohórquez Navarro, Dina Luz Upna Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Copper oxide (CuO) allows the generation of lossy mode resonance (LMR) in a wide wavelength range of the optical spectrum, both in the visible and the near-infrared (NIR). For this, it is necessary to use a configuration ...

    • Wavelength and phase detection based SMS fiber sensors optimized with etching and nanodeposition 

      Cardona-Maya, Yamile; Del Villar, Ignacio Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Botero-Cadavid, Juan F. (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      The development of an optical fiber refractometer by hydrogen fluoride etching and sputtering deposition of a thin-film of indium tin oxide on a single-mode-multimode-single-mode fiber structure has been analyzed with ...

    • Wavelength converter using a highly Er-doped optical fiber ring laser 

      Pérez Herrera, Rosa Ana Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; Rodríguez, Luis; Ventura Rípodas, Daniel; López Higuera, José Miguel (IOP Publishing, 2018)   Artículo / Artikulua  OpenAccess
      This work presents an all-fiber wavelength converter based on a highly Er-doped fiber laser, which has been experimentally demonstrated. Frequencies from several kilohertz up to tens of gigahertz have been investigated. ...

    • Wavelength-switchable L-band fiber laser assisted by random reflectors 

      Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Sánchez-González, Arturo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (EDP Open, 2023)   Artículo / Artikulua  OpenAccess
      A wavelength-switchable L-band erbium-doped fiber laser (EDFL) assisted by an artificially controlled backscattering (ACB) fiber reflector is here presented. This random reflector was inscribed by femtosecond (fs) laser ...

    • Wavelet-based detection of transcriptional activity on a novel Staphylococcus aureus tiling microarray 

      Segura, Víctor; Toledo Arana, Alejandro Upna Orcid; Uzqueda, Maite; Lasa Uzcudun, Íñigo Upna Orcid; Muñoz Barrutia, Arrate (BioMed Central, 2012)   Artículo / Artikulua  OpenAccess
      Background: High-density oligonucleotide microarray is an appropriate technology for genomic analysis, and is particulary useful in the generation of transcriptional maps, ChIP-on-chip studies and re-sequencing of the ...

    • WDM bi-directional transmission over 35 km amplified fiber-optic bus network using Raman amplification for optical sensors 

      Díaz Lucas, Silvia Upna Orcid; Lasheras, Gorka; López-Amo Sáinz, Manuel Upna Orcid (Optical Society of America, 2005)   Artículo / Artikulua  OpenAccess
      We demonstrate a novel distributed fiber Raman amplified bus topology used for WDM transmission over 35 km of single-mode fiber by use of a multiwavelength Raman pump laser and eight Fiber Bragg gratings (FBGs). This ...

    • Weak and directional monotonicity of functions on Riesz spaces to fuse uncertain data 

      Sesma Sara, Mikel Upna Orcid; Mesiar, Radko; Bustince Sola, Humberto Upna Orcid (Elsevier B.V., 2019)   Artículo / Artikulua  OpenAccess
      In the theory of aggregation, there is a trend towards the relaxation of the axiom of monotonicity and also towards the extension of the definition to other domains besides real numbers. In this work, we join both approaches ...

    • The weak data on the water–energy nexus in Spain 

      Sesma Martín, Diego Upna Orcid; Rubio Varas, María del Mar Upna Orcid (IWA Publishing, 2019)   Artículo / Artikulua  OpenAccess
      This paper focuses on the fact that the water–energy nexus remains an irrelevant issue on the energy policy agenda and on the priorities of the energy leaders in Spain. This is a striking fact given that this takes place ...

    • Weak forms of unconditionality of bases in greedy approximation 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Berasategui, Miguel; Berná, Pablo M.; Lassalle, Silvia (Instytut Matematyczny, 2022)   Artículo / Artikulua  OpenAccess
      We study a new class of bases, weaker than quasi-greedy bases, which retain their unconditionality properties and can provide the same optimality for the thresholding greedy algorithm. We measure how far these bases are ...

    • Wealth inequality in pre-industrial England: a long-term view (late thirteenth to sixteenth centuries) 

      Alfani, Guido; García Montero, Héctor Upna Orcid (Economic History Society, 2022)   Artículo / Artikulua  OpenAccess
      This article provides an overview of wealth inequality in England from the late thirteenth to the sixteenth century, based on a novel database of distributions of taxable household wealth across 17 counties plus London. ...

    • Web-based personalized intervention to improve quality of life and self-efficacy of long-term breast cancer survivors: study protocol for a randomized controlled trial 

      Soto Ruiz, María Nelia Upna Orcid; Escalada Hernández, Paula Upna Orcid; San Martín Rodríguez, Leticia Upna Orcid; Ferraz Torres, Marta Upna Orcid; García Vivar, Cristina Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      Long-term breast cancer survivors (>5 years free of disease) may suffer late sequelae of cancer that impact on their quality of life. The use of telehealth for cancer care is recommended but little is known about the ...
      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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