Now showing items 1-20 of 25

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      An Optical Fiber Bundle Sensor for Tip Clearance and Tip Timing Measurements in a Turbine Rig 

      García Esteban-Barcina, Iker; Beloki Perurena, Josu; Zubia Zaballa, Joseba Andoni; Aldabaldetreku Etxeberria, Gotzon; Illarramendi Leturia, María Asunción; Jiménez Hernández, Felipe (MDPI, 2013-06)
      When it comes to measuring blade-tip clearance or blade-tip timing in turbines, reflective intensity-modulated optical fiber sensors overcome several traditional limitations of capacitive, inductive or discharging probe ...
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      Aspects of quality control of wind profiler measurements in complex topography 

      Maruri Machado, María de las Mercedes; Romo Argota, Juan Antonio; Gomez, L. (Copernicus Gesellschaft, 2014)
      It is well known in the scientific community that some remote sensing instruments assume that sample volumes present homogeneous conditions within a defined meteorological profile. At complex topographic sites and under ...
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      Assessment of Biomass Energy Potential and Forest Carbon Stocks in Biscay (Spain) 

      Mateos Sánchez, Esperanza; Garrido Uriarte, Florencio; Ormaetxea Butrón, Leyre (MDPI, 2016-03)
      The aim of this research is to identify, quantify and characterize the potential available forest biomass of Pinus radiata D. Don and Eucalyptus globulus Labill. across Biscay province in northern Spain. In order to do ...
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      BAMS: A Tool for Supervised Burned Area Mapping Using Landsat Data 

      Bastarrica Izaguirre, Aitor; Alvarado Herrán, María Teresa; Artano Pérez, Karmele; Martinez Blanco, Maria Pilar; Mesanza Moraza, Amaia; Torre Tojal, Leyre; Ramo, Rubén; Chuvieco, Emilio (MDPI, 2014-12)
      A new supervised burned area mapping software named BAMS (Burned Area Mapping Software) is presented in this paper. The tool was built from standard ArcGIS (TM) libraries. It computes several of the spectral indexes most ...
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      Characterization of Chromatic Dispersion and Refractive Index of Polymer Optical Fibers 

      Ayesta Ereño, Igor; Zubia Zaballa, Joseba Andoni; Arrue Aramburu, Juan Antonio; Illarramendi Leturia, María Asunción; Azkune Ulla, Mikel (MDPI, 2017-12-20)
      The chromatic dispersion and the refractive index of poly(methyl methacrylate) polymer optical fibers (POFs) have been characterized in this work by using a tunable femtosecond laser and a Streak Camera. The characterization ...
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      Combining statistical techniques to predict postsurgical risk of 1-year mortality for patients with colon cancer 

      Arostegui Madariaga, Inmaculada; González, Nerea; Fernández de Larrea, Nerea; Lázaro Aramburu, Santiago; Baré Mañas, Marisa; Redondo, Maximino; Sarasqueta, Cristina; Garcia-Gutierrez, Susana; Quintana López, José María (Dove Medical Press, 2018)
      Introduction: Colorectal cancer is one of the most frequently diagnosed malignancies and a common cause of cancer-related mortality. The aim of this study was to develop and validate a clinical predictive model for 1-year ...
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      Crank-Nicholson method for rate equations in powder random lasers 

      García Ramiro, María Begoña; Illarramendi Echave, María Aránzazu; Zubia Zaballa, Joseba Andoni (IOP Publishing, 2015)
      In this work, we show the resolution of the rate equations in powder random lasers by using the Crank-Nicholson finite difference method. Light propagation in our powders is described by the model of light diffusion. The ...
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      Design, Fabrication and Testing of a High-Sensitive Fibre Sensor for Tip Clearance Measurements 

      Durana Apaolaza, Gaizka; Amorebieta Herrero, Josu; Fernández Bello, Rubén; Beloki Perurena, Josu; Arrospide Zabala, Eneko; García García, Iker; Zubia Zaballa, Joseba Andoni (MDPI, 2018-08)
      A highly sensitive fibre bundle-based reflective optical sensor has been designed and fabricated for Tip Clearance measurements in a turbine rig. The sensor offers high spatial and temporal resolution. The sensor probe ...
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      Enhancing Confusion Entropy (CEN) for Binary and Multiclass Classification 

      Delgado de la Torre, Rosario; Núñez González, José David (Universita Di Palermo, 2019-01-14)
      Different performance measures are used to assess the behaviour, and to carry out the comparison, of classifiers in Machine Learning. Many measures have been defined on the literature, and among them, a measure inspired ...
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      Estimation of preterm labor immediacy by nonlinear methods 

      Malaina Celada, Iker; Martínez Fernández, Luis; Matorras Weinig, José Roberto; Bringas Roldán, Carlos; Aranburu Laka, Larraitz; Fernández-Llebrez del Rey, Luis; González, Leire; Arana, Itziar; Pérez Pinilla, Martín Blas; Martínez de la Fuente Martínez, Ildefonso Abel (Public Library Science, 2017-06-01)
      Preterm delivery affects about one tenth of human births and is associated with an increased perinatal morbimortality as well as with remarkable costs. Even if there are a number of predictors and markers of preterm delivery, ...
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      Fabrication and Characterization of Polymer Optical Fibers Doped with Perylene-Derivatives for Fluorescent Lighting Applications 

      Parola Domingo, Itxaso; Arrospide Zabala, Eneko; Recart Barañano, Federico; Illarramendi Leturia, María Asunción; Durana Apaolaza, Gaizka; Guarrotxena, Nekane; García, Olga; Zubia Zaballa, Joseba Andoni (MDPI, 2017-08)
      Four different dye-doped polymer optical fibers (POFs) have been fabricated following a two-step fabrication process of preform extrusion and fiber drawing, using poly-(methyl methacrylate) (PMMA) as host material and dye ...
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      Fabrication of Active Polymer Optical Fibers by Solution Doping and Their Characterization 

      Ayesta Ereño, Igor; Azkune Ulla, Mikel; Arrospide Zabala, Eneko; Arrue Aramburu, Juan Antonio; Illarramendi Leturia, María Asunción; Durana Apaolaza, Gaizka; Zubia Zaballa, Joseba Andoni (MDPI, 2018-12-31)
      This paper employs the solution-doping technique for the fabrication of active polymer optical fibers (POFs), in which the dopant molecules are directly incorporated into the core of non-doped uncladded fibers. Firstly, ...
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      Health services research in patients with breast cancer (CAMISS-prospective): study protocol for an observational prospective study 

      García-Gutierrez, Susana; Orive, Miren; Sarasqueta, Cristina; Legarreta Olabarrieta, María José; Gonzalez, Nerea; Redondo, Maximino; Rivero, Amado; Serrano-Aguilar, Pedro; Castells, Xavier; Quintana López, José María; Sala, Maria; REDISSEC-CaMISS group (Biomed Central, 2019-01-08)
      Background: Though breast cancer remains a major health problem, there is a lack of information on health care provided to patients with this disease and associated costs. In addition, there is a need to update and validate ...
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      Hyaluronic Acid Combined with Serum Rich in Growth Factors in Corneal Epithelial Defects 

      Suárez Barrio, Carlota; Etxebarria, Jaime; Hernáez Moya, Raquel; Del Val Alonso, Marina; Rodríguez Astigarraga, Maddalen; Urkaregi Etxepare, Arantza; Freire Vallejo, Vanesa; Morales González, María Celia; Durán de la Colina, Juan Antonio; Vicario, Marta; Molina, Irene; Herrero Vanrell, Rocío; Andollo Victoriano, María Noelia (MDPI, 2019-04-03)
      The aim of this study is to assess if an adhesive biopolymer, sodium hyaluronate (NaHA), has synergistic effects with s-PRGF (a serum derived from plasma rich in growth factors and a blood derivative that has already shown ...
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      Implementation Issues of Adaptive Energy Detection in Heterogeneous Wireless Networks 

      Sobron Polancos, Iker; Eizmendi Izquierdo, Iñaki; Martins, Wallace Alves; Diniz, Paulo S. R.; Ordiales Basterrechea, Juan Luis; Velez Elordi, Manuel María (MDPI AG, 2017-04-23)
      Abstract Spectrum sensing (SS) enables the coexistence of non-coordinated heterogeneous wireless systems operating in the same band. Due to its computational simplicity, energy detection (ED) technique has been widespread ...
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      Mechanisms of Toxicity of Ag Nanoparticles in Comparison to Bulk and Ionic Ag on Mussel Hemocytes and Gill Cells 

      Katsumiti Kodo Filho, Alberto; Gilliland, Douglas; Arostegui Madariaga, Inmaculada; Cajaraville Bereciartua, Miren Pilare (Public Library Science, 2015-06-10)
      Silver nanoparticles (Ag NPs) are increasingly used in many products and are expected to end up in the aquatic environment. Mussels have been proposed as marine model species to evaluate NP toxicity in vitro. The objective ...
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      Negative Transfer Effects on L2 Word Order Processing 

      Erdozia Uriarte, Kepa; Laka Mugarza, Itziar (Frontiers Media SA, 2018-03-14)
      Does first language (L1) word order affect the processing of non-canonical but grammatical syntactic structures in second language (L2) comprehension? In the present study, we test whether L1-Spanish speakers of L2-Basque ...
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      Optical Characterization of Doped Thermoplastic and Thermosetting Polymer-Optical-Fibers 

      Ayesta Ereño, Igor; Illarramendi Leturia, María Asunción; Arrue Aramburu, Juan Antonio; Parola Domingo, Itxaso; Jiménez Hernández, Felipe; Zubia Zaballa, Joseba Andoni; Tagaya, Akihiro; Koike, Yasuhiro (MDPI, 2017-03)
      The emission properties of a graded-index thermoplastic polymer optical fiber and a step-index thermosetting one, both doped with rhodamine 6G, have been studied. The work includes a detailed analysis of the amplified ...
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      Polymer-Optical-Fiber Lasers and Amplifiers Doped with Organic Dyes 

      Arrue Aramburu, Juan Antonio; Jiménez Hernández, Felipe; Ayesta Ereño, Igor; Illarramendi Leturia, María Asunción; Zubia Zaballa, Joseba Andoni (MDPI, 2011-09)
      Polymer optical fibers (POFs) doped with organic dyes can be used to make efficient lasers and amplifiers due to the high gains achievable in short distances. This paper analyzes the peculiarities of light amplification ...
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      Predictive score for mortality in patients with COPD exacerbations attending hospital emergency departments 

      Quintana López, José María; Esteban, Cristóbal; Unzurrunzaga, Anette; Garcia-Gutierrez, Susana; González, Nerea; Barrio Beraza, Irantzu; Arostegui Madariaga, Inmaculada; Lafuente Guerrero, Iratxe; Baré Mañas, Marisa; Fernandez-de-Larrea, Nerea; Vidal, Silvia (Biomed Central, 2014-04-23)
      Background: Limited information is available about predictors of short-term outcomes in patients with exacerbation of chronic obstructive pulmonary disease (eCOPD) attending an emergency department (ED). Such information ...