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Ara es mostren els items 15627-15646 de 245805

    • Analysis of different surface structures of hard metal guiding stones in the honing process 

      Klein, Sven; Fang, Shiqi; Bähre, Dirk (2017)
      Article
      Accés obert
      Honing is a precise abrasive machining process with high standards for the resulting form, dimension, and surface quality. Additionally, honing further improves geometrical tolerances of the machined workpieces, especially ...

    • Analysis of different testing techniques for evaluating the adhesion of asphalt ultra-thin layers (AUTL) 

      Miró Recasens, José Rodrigo; Martínez Reguero, Adriana Haydée; Pérez Jiménez, Félix Edmundo; Moreno Navarro, Fernando; del Sol Sánchez, Miguel; Rubio Gámez, María del Carmen; Carnerero, Jorge; Sánchez Pallarés, María; López Marco, José Ramón; Pérez Báguena, Lorena; Máñez, Ausias (2023-08)
      Article
      Accés restringit per política de l'editorial
      The growing use of ultra-thin layers, called AUTL (Asphalt Ultra-Thin Layer), has raised the question of whether the currently used characterisation tests are equally applicable to mixes that are spread in such small ...

    • Analysis of different types of cementitious-based composites used as shear strengthening system for reinforced concrete beams 

      Escrig Pérez, Christian; Bernat Masó, Ernest; Gil Espert, Lluís (Universidad de Cantabria, 2016)
      Text en actes de congrés
      Accés obert
      The global tendency to apply sustainable criteria in most of the productive fields and the limited durability and the pathologies that reinforced concrete elements suffer are aspects that explain the increasing necessity ...

    • Analysis of different types of regulation and its efficiency in steam power cycles 

      Sánchez Pereiro, Ricardo (Universitat Politècnica de Catalunya / Politechnika Poznanska, 2011)
      Projecte/Treball Final de Carrera
      Accés obert
      The main subject of this work is the analysis of the both main ways of regulation of the rankine cycle used in thermal power plants based in steam cycle. The work is divided in three main parts. The first one is theoretical, ...

    • Analysis of different uncertainties in the inverse dynamic analysis of human gait 

      Pàmies Vilà, Rosa; Font Llagunes, Josep Maria; Cuadrado, Javier; Alonso, F. Javier (2012-12-01)
      Article
      Accés restringit per política de l'editorial

    • Analysis of differential correction techniques for orbit determination interferometry 

      Fernández Usón, Marc; Martin Fuster, Roger; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Orbit determination errors are expected to be a major threat for obtaining focused images on Geostationary Synthetic Aperture Radar (GeoSAR) missions. A ground-based interferometer system is presently being under research ...

    • Analysis of diversity and equalization techniques applied to M-QAM digital mobile radio systems 

      Valdominos Bardají, Antonio; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 1994)
      Text en actes de congrés
      Accés obert
      Presents an investigation of diversity and/or equalization techniques applied to 4 and 16-QAM TDMA radio systems for rapid fading dispersive channels. In particular, typical urban (TU) environments have been considered. A ...

    • Analysis of dividends policy as a tool for shareholders conflict management 

      Settecase, Aurora (Universitat Politècnica de Catalunya, 2022-02-02)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      The aim of this project is to analyse the role of dividend policy as a tool to mitigate conflicts between majority and minority shareholders or whether it is used by majority shareholders to behave opportunistically towards ...

    • Analysis of domestic power generation: options to recharge electric cars 

      Rua Tavira, Jaime (Universitat Politècnica de Catalunya, 2017-09-13)
      Treball Final de Grau
      Accés obert
      Perhaps it is not easily appreciated, but right now the automotive and energetic sectors are experiencing a complete transformation. In fact, this change started many years ago with the arrival of the efficient vehicles, ...

    • Analysis of domino effect in pipelines 

      Ramírez Camacho, Jaime Giovanni; Pastor Ferrer, Elsa; Casal Fàbrega, Joaquim; Amaya Gomez, Rafael; Muñoz Giraldo, Felipe (2015-11-15)
      Article
      Accés obert
      Parallel pipelines are frequently installed over long distances, due to the difficulty in creating or maintaining the required corridor. This implies that a release in one pipeline can seriously affect another one. The ...

    • Analysis of downlink and uplink decoupling in dense cellular networks 

      Aravanis, Alexios; Muñoz Medina, Olga; Pascual Iserte, Antonio; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2016-12-22)
      Text en actes de congrés
      Accés obert
      Decoupling uplink (UL) and downlink (DL) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Building upon this paradigm, the goal of the present paper is to ...

    • Analysis of droplet dynamics on the GDL surface of a PEM fuel cell cathode 

      Jarauta Arabí, Àlex (Universitat Politècnica de Catalunya, 2013-06-28)
      Projecte Final de Màster Oficial
      Accés obert
      A fuel cell is an electrochemical device that has the ability to turn the chemical energy in a fuel directly into electricity with high e ciency. Inside the fuel cell, oxidation and reduction electrochemical reactions ...

    • Analysis of Early Warnings and Confirmed Line Item Performance in Semiconductor Supply Chain 

      Bel Ferreres, Anna Cinta (Universitat Politècnica de Catalunya, 2022-10-06)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Infineon Technologies

    • Analysis of ECG in athletes running in mountain route conditions 

      Gomis Román, Pedro; Guasch, Eduard; Perera Lluna, Alexandre; Mont Girbau, Lluis; Caminal, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      The purpose of this work is to analyse changes in ECG and heart rate variability (HRV) metrics in athletes during 10 km running in mountain route conditions. Eighteen healthy athletes carrying a 12-lead ECG GE Holter ...

    • Analysis of ECG signals using deep recurrent neural networks 

      Rueda Sotorra, Miguel (Universitat Politècnica de Catalunya, 2019-10-09)
      Projecte Final de Màster Oficial
      Accés obert
      The study of the ECG signalsis essential to detect several diseases. The present projectaims to analyze the ECG signals in order to detect different types of heart beat sassociated with arrhythmia, using data from the ...

    • Analysis of electrically large concave scatterers with the integral equation mei 

      Rius Casals, Juan Manuel; Carpintero, C Pérez; Cardama Aznar, Ángel; Michalski, Krzysztof (1997-04)
      Article
      Accés restringit per política de l'editorial
      The integral equation MEI (IE-MEI) is a new, sparse matrix formulation of the boundary-element method, which is particularly well suited for large convex scatterers. In this Letter we explain why the original implementation ...

    • Analysis of electrode arrays for multichannel surface electromyography 

      Pérez Obiols, Eduard (Universitat Politècnica de Catalunya, 2019-05)
      Projecte Final de Màster Oficial
      Accés obert
      Nowadays medical evaluation requires in each further step improvements in all the areas concerning engineering and materials. This applies to the application of electromyography and in specific to surface electromyography ...

    • Analysis of empirical methods for the quantification of N2O emissions in wastewater treatment plants: comparison of emission results obtained from the IPCC Tier 1 methodology and the methodologies that integrate operational data 

      Ramírez Melgarejo, Monserrat Guadalupe; Reyes Figueroa, A.D.; Gassó Domingo, Santiago; Güerecua Hernandez, L. Patricia (Elsevier, 2020-12)
      Article
      Accés obert
      Wastewater is a source of N2O emission that is generated, both directly from advanced treatment plants and indirectly from the discharge of wastewater into the natural environment, due to its remaining nitrogen content. ...

    • Analysis of energetic particle-driven Alfvénic instabilities in tokamak and stellarator plasmas using three dimensional numerical tools 

      Rakha, Allah (Universitat Politècnica de Catalunya, 2019-09-27)
      Tesi
      Accés obert
      Realitzat a/amb:   Universiteit Gent
      In this thesis, a detailed analysis of the experientially observed energetic particle-driven Alfvénic instabilities in tokamak and stellarator plasmas using three dimensional numerical tools based on the reduced MHD model ...

    • Analysis of energetic radiation associated with thunderstorms in the Ebro delta region in Spain 

      Fabró Tàpia, Ferran; Montañá Puig, Juan; Pineda Rüegg, Nicolau; Argemí Ribera, Oriol; Van der Velde, Oscar Arnoud; Romero Durán, David; Soula, Serge (2016-08-25)
      Article
      Accés obert
      The analysis of high-energy background radiation (0.1 – 2 MeV) enhancements during eight winter thunderstorms and ¿ve summer storms in the Ebro delta region in the northeast of Spain is presented. For the ¿rst time, ...