Now showing items 1-11 of 11

    • Dissolved solids and suspended sediment dynamics from five small agricultural watersheds in Navarre, Spain: a 10-year study 

      Merchán Elena, Daniel Upna; Luquin Oroz, Eduardo Adrián; Hernández García, Iker; Campo-Bescós, Miguel Upna; Giménez Díaz, Rafael Upna; Casalí Sarasíbar, Javier Upna; Valle de Lersundi, Jokin del (Elsevier, 2019)   Artículo / Artikulua
      Dissolved solids (DS) and suspended sediment (SS) loads are considered relevant environmental problems. They are related to a wide range of on-site and off-site impacts, such as soil erosion or salinization of water bodies. ...
    • Heat pipes thermal performance for a reversible thermoelectric cooler-heat pump for a nZEB 

      Aranguren Garacochea, Patricia Upna; Díaz de Garayo, Sergio; Martínez Echeverri, Álvaro Upna; Araiz Vega, Miguel Upna; Astrain Ulibarrena, David Upna (Elsevier, 2019)   Artículo / Artikulua
      The nZEB standards reduce the energy demand of these buildings to a minimum, obtaining this little energy from renewable resources. Taking these aspect into consideration, a thermoelectric cooler-heat pump is proposed to ...
    • Holographic acoustic tweezers 

      Marzo Pérez, Asier Upna; Drinkwater, Bruce W. (National Academy of Sciences, 2019)   Artículo / Artikulua  OpenAccess
      Acoustic tweezers use sound radiation forces to manipulate matter without contact. They provide unique characteristics compared with the more established optical tweezers, such as higher trapping forces per unit input power ...
    • Detection of minced lamb and beef fraud using NIR spectroscopy 

      López Maestresalas, Ainara; Insausti Barrenetxea, Kizkitza Upna; Jarén Ceballos, Carmen Upna; Pérez Roncal, Claudia; Urrutia Vera, Olaia; Beriain Apesteguía, María José Upna; Arazuri Garín, Silvia Upna (Elsevier, 2019)   Artículo / Artikulua
      The aim of this work was to investigate the feasibility of near-infrared spectroscopy (NIRS), combined with chemometric techniques, to detect fraud in minced lamb and beef mixed with other types of meats. For this, 40 ...
    • Grey water footprint as an indicator for diffuse nitrogen pollution: the case of Navarra, Spain 

      Martínez Aldaya, Maite; Corina I., Rodríguez; Fernández Poulussen, Álex; Merchán Elena, Daniel Upna; Beriain Apesteguía, María José Upna; Llamas, Ramón (Elsevier, 2019)   Artículo / Artikulua
      Nitrogen is an essential element for plant growth, while its application and associated pollution is a worldwide concern. Generally, diffuse source pollution and its impacts on ecosystem health are difficult to monitor and ...
    • Highway paving in the southwestern Amazon alters long-term trends and drivers of regional vegetation dynamics 

      Klarenberg, Geraldine; Muñoz Carpena, Rafael; Campo-Bescós, Miguel Ángel Upna; Perz, Steve G. (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Infrastructure development, specifically road paving, contributes socio-economic benefits to society worldwide. However, detrimental environmental effects of road paving have been documented, most notably increased ...
    • Functionalized electrospun fibers for the design of novel hydrophobic and anticorrosive surfaces 

      Rivero Fuente, Pedro Upna; Yurrita Silanes, David; Berlanga Labari, Carlos Upna; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      In this work, a novel coating was deposited on aluminum alloy samples by using a combination of electrospinning and chemical vapor deposition (CVD-silanization) techniques in order to create a functionalized film with an ...
    • Determinación de las curvas IDF en Igueldo-San Sebastián. Comparación de diferentes métodos 

      López Rodríguez, José Javier; Delgado Zabala, Oihane; Campo-Bescós, Miguel Upna (Universidad Politécnica de Valencia, 2018)   Artículo / Artikulua  OpenAccess
      Las curvas de intensidad-duración-frecuencia (IDF) son una herramienta fundamental en ingeniería hidrológica. Se ha partido de la serie de precipitación de 88 años registrada cada diez minutos en la estación meteorológica ...
    • Hydrophobic and corrosion behavior of sol-gel hybrid coatings based on the combination of TiO2 NPs and fluorinated chains for aluminum alloys protection 

      Rivero Fuente, Pedro Upna; Maeztu Redin, Juan Deyo; Berlanga Labari, Carlos Upna; Miguel, Adrián; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      In this work, layers of a sol-gel hybrid matrix doped with metal oxide nanoparticles (TiO2 NPs) have been deposited on flat samples of AA6061-T6 aluminum alloy using the dip-coating technique, with the aim of obtaining ...
    • Frequency domain design of a series structure of robust controllers for multi-input single-output systems 

      Gil Martínez, Montserrat; Rico Azagra, Javier; Elso Torralba, Jorge (Hindawi, 2018)   Artículo / Artikulua  OpenAccess
      The regulation of a disturbed output can be improved when several manipulated inputs are available. A popular choice in these cases is the series control scheme, characterized by (1) a sequential intervention of loops and ...
    • Using a coupled dynamic factor-random forest analysis (DFRFA) to reveal drivers of spatiotemporal heterogeneity in the semi-arid regions of southern Africa 

      Southworth, Jane; Bunting, Erin; Zhu, Likai; Ryan, Sadie J.; Herrero, Hannah V.; Waylen, Peter; Muñoz Carpena, Rafael; Campo-Bescós, Miguel Upna; Kaplan, David A. (Public Library of Science, 2018)   Artículo / Artikulua  OpenAccess
      Understanding the drivers of large-scale vegetation change is critical to managing landscapes and key to predicting how projected climate and land use changes will affect regional vegetation patterns. This study aimed to ...