• Suicidal attempts among patients with substance use disorders who present with suicidal ideation 

      López-Goñi, José Javier Upna; Fernández-Montalvo, Javier Upna; Arteaga Olleta, Alfonso Upna; Haro Escribano, Begoña (Elsevier, 2019)   Artículo / Artikulua
      Background and aims: Patients with addictions have a great risk of suicidal ideation and attempts. Suicidal behaviour is a continuum that begins with ideation and may continue with planning, ...
    • Application of two different methods for extending lattice-valued restricted equivalence functions used for constructing similarity measures on L-fuzzy sets 

      Palmeira, Eduardo S.; Bedregal, Benjamin; Bustince Sola, Humberto Upna; Paternain Dallo, Daniel Upna; Miguel Turullols, Laura de Upna (Elsevier, 2018)   Artículo / Artikulua
      Based on previous investigations, we have proposed two different methods to extend lattice-valued fuzzy connectives (t-norms, t-conorms, negations and implications) and other related operators, considering a generalized ...
    • Data quality assessment of the Major Trauma Registry of Navarra and comparison of its results with TraumaRegistry DGU® of the German Trauma Society 

      Ali Ali, Bismil (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Antecedentes: Los registros de trauma son herramientas útiles para evaluar y mejorar la atención de los pacientes a través de la comparación con otros. En España los datos son limitados a nivel nacional y la mayoría de ...
    • Protección internacional de grupos étnicos: derechos de minorías nacionales y de pueblos indígenas. Comparación entre los gitanos en España y los mapuche en Chile 

      Andrade Martínez, María José (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En esta tesis hemos propuesto indagar en las similitudes y diferencias entre ambos tipos de grupos étnicos, pues desde esas características se han elaborado las definiciones que de ellos ha hecho la comunidad internacional, ...
    • Sustainable management of metasequoia glyptostroboides plantation forests in Shanghai 

      Zheng, Ji; Blanco Vaca, Juan Antonio Upna; Wei, Xiaohua; Liu, Chunjiang (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Urban forestry is increasingly used as a tool for climate change mitigation and for providing environmental services to inhabitants of urban areas. However, tree species used in urban forestry are usually different from ...
    • Runoff, nutrients, sediment and salt yields in an irrigated watershed in southern Navarre (Spain) 

      Merchán Elena, Daniel Upna; Casalí Sarasíbar, Javier Upna; Valle de Lersundi, Jokin del; Campo Bescós, Miguel Ángel Upna; Giménez, Rafael; Preciado, Beatriz; Lafarga, Alberto (Elsevier, 2018)   Artículo / Artikulua
      The environmental impact of irrigated agriculture on water quality was assessed in Landazuria watershed (Navarre, northeast Spain), a 479.5 ha watershed with 53% of irrigated agricultural land. In the framework of a long-term ...
    • Tendencias en la mortalidad y morbilidad por enfermedad de Alzheimer en la Unión Europea 

      Niu, Hao (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      El objetivo de esta tesis es analizar las tendencias de mortalidad y morbilidad hospitalaria de la enfermedad de Alzheimer en los países de la Unión Europea en el periodo 2002-2012, a través del análisis de los datos y el ...
    • Development of the digital competence in Secondary Education teachers' training 

      Napal Fraile, María Upna; Peñalva Vélez, Alicia Upna; Mendioroz Lacambra, Ana Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Digital competence is one of the 8 key competences for life-long learning developed by the European Commission, and is requisite for personal fulfilment and development, active citizenship, social inclusion and employment ...
    • Normalization through invariants in n-dimensional Kepler problems 

      Meyer, Kenneth Ray; Palacián Subiela, Jesús Francisco Upna; Yanguas Sayas, Patricia Upna (Pleiades Publishing, 2018)   Artículo / Artikulua  OpenAccess
      We present a procedure for the normalization of perturbed Keplerian problems in n dimensions based on Moser regularization of the Kepler problem and the invariants associated to the reduction process. The approach allows ...
    • Learning by doing: the first Spanish nuclear power plant 

      Torre Campo, Joseba de la Upna; Rubio Varas, María del Mar Upna (Cambridge University Press, 2018)   Artículo / Artikulua  OpenAccess
      In the nuclear sector, turnkey projects can be considered an investment in obtaining information through “learning by doing” to capture rents from the next generation of reactors. As the first U.S. turnkey export project, ...
    • Suicidal ideation and attempts in patients who seek treatment for substance use disorder 

      López-Goñi, José Javier Upna; Fernández-Montalvo, Javier Upna; Arteaga Olleta, Alfonso Upna; Haro Escribano, Begoña (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Patients with substance dependence have a great risk of suicidal ideation and attempts. The study of the specific risk characteristics of patients with substance use disorders who present with suicidal ideation and/or ...
    • A structural analysis of US entry and exit dynamics. Tecnnical appendix 

      Casares Polo, Miguel Upna; Khan, Hashmat; Poutineau, Jean-Christophe (2018)   Documento de trabajo / Lan gaiak  OpenAccess
      A. The optimizing programs of the model and other technical details (pages 1-7) B. Short-run and long-run equilibria in the DSGE model with endogenous entry and exit (pages 8-12) C. Average productivity (pages 13-15) D. ...
    • Convolution lattices 

      Miguel Turullols, Laura de Upna; Bustince Sola, Humberto Upna; De Baets, Bernard (Elsevier, 2018)   Artículo / Artikulua
      We propose two convolution operations on the set of functions between two bounded lattices and investigate the algebraic structure they constitute, in particular the lattice laws they satisfy. Each of these laws requires ...
    • Multivalued contexts associated with criteria 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna (Taylor & Francis, 2018)   Artículo / Artikulua
      We are interested in the study of L-fuzzy contexts taking into account different criteria. These contexts arise when we want to analyze the relationship between objects and attributes from different points of view. ...
    • Oscillatory motions in restricted N-body problems 

      Alvarez-Ramírez, Martha; Rodríguez García, Antonio Upna; Palacián Subiela, Jesús Francisco Upna; Yanguas Sayas, Patricia Upna (Elsevier, 2018)   Artículo / Artikulua
      We consider the planar restricted N-body problem where the N−1 primaries are assumed to be in a central configuration whereas the infinitesimal particle escapes to infinity in a parabolic orbit. We prove the existence of ...
    • ‘Aquende et allende stremo’: de las productividades etnohistóricas de la fronterización iberoamericana a la apertura descolonial de Abya Yala/Quilombola 

      Martínez-Magdalena, Santiago Upna; Villescas Vivancos, Fulgencio (Universidad de Los Andes. Facultad de Ciencias Sociales, 2018)   Artículo / Artikulua  OpenAccess
      Se presenta una revisión del concepto frontera(s) desde una mirada etnohistórica, abordando el debate desde las fronterizaciones ibéricas y las diferentes formas de ocupación por desocupación como instrumento jurídico, y ...
    • Ku band low profile asymmetric Bull’s-Eye antenna with reduced side lobes and monopole feeding 

      Beaskoetxea Gartzia, Unai Upna; Torres García, Alicia E. Upna; Beruete Díaz, Miguel Upna (IEEE, 2018)   Artículo / Artikulua  OpenAccess
      In this paper, a linearly polarized low profile and asymmetric Bull’s-Eye leaky wave antenna fed by a monopole operating at 13 GHz is presented. Broadside radiation from the monopole is achieved by surrounding it with an ...
    • Drought-induced changes in wood density are not prevented by thinning in Scots pine stands 

      Candel Pérez, David Upna; Lo, Yueh-Hsin Upna; Blanco Vaca, Juan Antonio Upna; Chiu, Chih-Ming; Camarero, Jesús Julio; González de Andrés, Ester Upna; Imbert Rodríguez, Bosco Upna; Castillo Martínez, Federico Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Density is an important wood mechanical property and an indicator of xylem architecture and hydraulic conductivity. It can be influenced by forest management and climate. We studied the impact of thinning and climate ...
    • Modelling the management of forest ecosystems: importance of wood decomposition 

      Blanco Vaca, Juan Antonio Upna; Page-Dumroese, Deborah S.; Jurgensen, Martin F.; Curran, Michale P.; Tirocke, Joanne M.; Walitalo, Joanna (Wiley, 2018)   Artículo / Artikulua
      Scarce and uncertain data on woody debris decomposition rates are available for calibrating forest ecosystem models, owing to the difficulty of their empirical estimations. Using field data from three experimental sites which ...
    • Extraordinary THz transmission with a small beam spot: the leaky wave mechanism 

      Navarro Cía, Miguel Upna; Pacheco Peña, Víctor Upna; Kuznetsov, Sergei A.; Beruete Díaz, Miguel Upna (Wiley, 2018)   Artículo / Artikulua
      The discovery of extraordinary optical transmission (EOT) through patterned metallic foils in the late 1990s was decisive for the development of plasmonics and cleared the path to employ small apertures for a variety of ...