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Mostrando ítems 3237-3256 de 5730

    • M(II)-Al-Fe layered double hydroxides synthesized from aluminum saline slag wastes and catalytic performance on cyclooctene oxidation 

      Santamaría Arana, Leticia Upna Orcid; Oliveira-Garcia, L.; Faria, Emerson H. de; Ciuffi, Katia J.; Vicente, Miguel Ángel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      Aluminum was extracted from saline slags via an alkaline method and employed in the synthesis of Layered Double Hydroxides (LDH) with various M2+ cations (Co, Mg, Ni and Zn), while Al and Fe were the M3+ cations, using the ...

    • M-wave changes caused by brief voluntary and stimulated isometric contractions 

      Rodríguez Falces, Javier Upna Orcid; Malanda Trigueros, Armando Upna Orcid; Navallas Irujo, Javier; Place, Nicolas (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Introduction Under isometric conditions, the increase in muscle force is accompanied by a reduction in the fbers’ length. The efects of muscle shortening on the compound muscle action potential (M wave) have so far been ...

    • Machine learning-based analysis engine to identify critical variables in multi-stage processes: application to the installation of blind fasteners 

      Murua Etxeberría, Maialen; Veiga Suárez, Fernando; Ortega Lalmolda, Juan Antonio; Penalva Oscoz, Mariluz; Díez Oliván, Alberto (Publicaciones Dyna S.L., 2020)   Artículo / Artikulua  OpenAccess
      Quality control in manufacturing is a recurrent topic as the ultimate goals are to produce high quality products with less cost. Mostly, the problems related to manufacturing processes are addressed focusing on the process ...

    • Machines and energy. Energy capital ratios in Europe and Latin America 1875 - 1970' 

      Ducoing, Cristián; Gales, Ben; Hölsgens, Rick; Rubio Varas, María del Mar Upna Orcid (Taylor & Francis, 2018)   Artículo / Artikulua  OpenAccess
      The relationship between energy and capital is one of the most important aspects of modern economic growth. Machines need energy to produce all the goods we enjoy; energy would be far less useful for humankind in absence ...

    • Macroeconomic, demographic and human developmental correlates of physical activity and sitting time among South American adults 

      Werneck, André de Oliveira; Sadarangani, Kabir P.; Ramírez Vélez, Robinson Upna Orcid; Baldew, Se-Sergio; Gomes, Thayse N.; Ferrari, Gerson; Szwarcwald, Célia L.; Miranda, Jaime; Silva, Danilo R. (BMC, 2020)   Artículo / Artikulua  OpenAccess
      Background: Our aim was to investigate the association of macroeconomic, human development, and demographic factors with different domains of physical activity and sitting time among South American adults. Methods: We used ...

    • Maedi-visna virus infection of ovine mammary epithelial cells 

      Bolea, Rosa; Monleón, Eva; Carrasco, Librado; Vargas, Antonia; Andrés Cara, Damián de Upna Orcid; Amorena Zabalza, Beatriz Upna; Badiola, Juan José; Luján, Lluís (EDP Sciences, 2006)   Artículo / Artikulua  OpenAccess
      The aim of this work was to perform a complete study of maedi-visna virus (MVV) infected mammary glands of naturally-infected sheep, and to determine if cells other than macrophages undergo a productive viral infection in ...

    • Magnesium oxide as alternative binder for unfired clay bricks manufacturing 

      Espuelas Zuazu, Sandra Upna Orcid; Omer, Joshua; Marcelino Sádaba, Sara Upna Orcid; Echeverría, Angel María Upna Orcid; Seco Meneses, Andrés Upna Orcid (Elsevier, 2017)   Artículo / Artikulua  OpenAccess
      Replacement of fired bricks by unfired ones could be an effective way to reduce the building industryenvironmental footprint: Their manufacture not only requires less energy and natural resources but alsogenerates less waste. ...

    • Magnetic anisotropy in isotropic and nanopatterned strongly exchange-coupled nanolayers 

      Vergara Platero, José Upna Orcid; Favieres Ruiz, Cristina Upna Orcid; Madurga Pérez, Vicente Upna Orcid (Springer, 2012)   Artículo / Artikulua  OpenAccess
      In this study, the fabrication of magnetic multilayers with a controlled value of the in-plane uniaxial magnetic anisotropy field in the range of 12 to 72 kA/m was achieved. This fabrication was accomplished by the ...

    • Magnetic behavior in commercial iron-silicon alloys controlled by the dislocation dynamics at temperatures below 420 K 

      Lambri, Osvaldo Agustín; Weidenfeller, B.; Bonifacich, Federico Guillermo; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Cuello, G.J.; Weidenfeller, L.; Recarte Callado, Vicente Upna Orcid; Zelada, G. I.; Riehemann, W. (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      A decrease of the temperature dependent coercive forces up to around 370 K is discovered in iron silicon alloys, both in quenched samples and in samples which were previously thermally treated to achieve the highest magnetic ...

    • Magnetic binary encoding system based on 3D printing and GMI detection prototype 

      Beato López, Juan Jesús Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Galarreta Rodríguez, Itziar; López Ortega, Alberto Upna Orcid; Garayo Urabayen, Eneko Upna Orcid; Gómez Polo, Cristina Upna Orcid; Aresti Bartolomé, Maite; Soria Picón, Eneko; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      In this work, the feasibility of a magnetic binary encoding system using 3D printing technology is analyzed. The study has a double interest, that is, the possibility of printing a 3D piece that contains the codified ...

    • Magnetic carbon Fe3O4 nanocomposites synthesized via magnetic induction heating 

      Cervera Gabalda, Laura María Upna; Gómez Polo, Cristina Upna Orcid (Springer Nature, 2023)   Artículo / Artikulua  OpenAccess
      Magnetic Induction Heating (MIH) of magnetite nanoparticles is employed as a novel synthesis procedure of carbon based magnetic nanocomposites. Magnetic nanoparticles (Fe3O4) and fructose (1:2 weight ratio) were mechanically ...

    • Magnetic confinement of a neutral atom in a double-wire waveguide: a nonlinear dynamics approach 

      Salas, José Pablo; Iñarrea, Manuel; Lanchares, Víctor; Palacián Subiela, Jesús Francisco Upna Orcid; Yanguas Sayas, Patricia Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      In this paper we focus on the classical dynamics of a neutral atom trapped in a doublewire waveguide in the presence of two uniform bias fields. Because the trapping region takes place in a plane perpendicular to the ...

    • Magnetic dipole super-resonances and their impact on mechanical forces at optical frequencies 

      Liberal Olleta, Íñigo Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ziolkowski, Richard W. (Optical Society of America, 2014)   Artículo / Artikulua  OpenAccess
      Artificial magnetism enables various transformative optical phenomena, including negative refraction, Fano resonances, and unconventional nanoantennas, beamshapers, polarization transformers and perfect absorbers, and ...

    • Magnetic domain configurations of pulsed laser deposited MnBi hard magnetic films 

      Madurga Pérez, Vicente Upna Orcid; Favieres Ruiz, Cristina Upna Orcid; Vergara Platero, José Upna Orcid (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      Hard magnetic MnBi films were obtained by appropriate heat treatments of pulsed laser deposited (PLD) (Bi/Mn) films. X-ray diffraction patterns indicated a slight texture of MnBi crystallites and magnetometry measurements ...

    • Magnetic Fe/Fe3C@C nanoadsorbents for efficient Cr (VI) removal 

      Cervera Gabalda, Laura María Upna; Gómez Polo, Cristina Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      Magnetic carbon nanocomposites (α-Fe/Fe3C@C) synthesized employing fructose and Fe3O4 magnetite nanoparticles as the carbon and iron precursors, respectively, are analyzed and applied for the removal of Cr (VI). Initial ...

    • Magnetic transition in nanocrystalline soft magnetic alloys analyzed via ac inductive techniques 

      Gómez Polo, Cristina Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Recarte Callado, Vicente Upna Orcid; Vázquez, M.; Hernando, A. (American Physical Society, 2004)   Artículo / Artikulua  OpenAccess
      The magnetic transition in a FeSiBCuNb nanocrystalline alloy, associated with the decoupling of ferromagnetic crystallites around the Curie point of the residual amorphous matrix, is analyzed in this work through the ...

    • Magnetically activated 3D printable polylactic acid/polycaprolactone/magnetite composites for magnetic induction heating generation 

      Galarreta Rodríguez, Itziar; López Ortega, Alberto Upna Orcid; Garayo Urabayen, Eneko Upna Orcid; Beato López, Juan Jesús Upna Orcid; La Roca, Paulo Matías Upna; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Recarte Callado, Vicente Upna Orcid; Gómez Polo, Cristina Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Additive manufacturing technology has attracted the attention of industrial and technological sectors due to the versatility of the design and the easy manufacture of structural and functional elements based on composite ...

    • Magnetically recyclable TiO2/MXene/MnFe2O4 photocatalyst for enhanced peroxymonosulphate-assisted photocatalytic degradation of carbamazepine and ibuprofen under simulated solar light 

      Grzegórska, Anna; Ofoegbu, Joseph Chibueze; Cervera Gabalda, Laura María Upna; Gómez Polo, Cristina Upna Orcid; Sannino, Diana; Zielinska-Jurek, Anna (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      In this study, a novel TiO2/Ti3C2/MnFe2O4 magnetic photocatalyst with dual properties, enabling (i) improved photocatalytic degradation with PMS activation under simulated solar light and (ii) magnetic separation after the ...

    • Magnetically tunable damping in composites for 4D printing 

      Bonifacich, Federico Guillermo; Lambri, Osvaldo Agustín; Recarte Callado, Vicente Upna Orcid; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Composite materials are being used in the design of new devices to produce more functional, cheap and on-demand products. In particular, 3D printing technology based on composites opens a huge field enabling the freedom ...

    • Magnetocaloric effect enhancement driven by intrinsic defects in a Ni45Co5Mn35Sn15 alloy 

      Sánchez-Alarcos Gómez, Vicente Upna Orcid; López García, Javier Upna; Unzueta, Iraultza; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Recarte Callado, Vicente Upna Orcid; Beato López, Juan Jesús Upna Orcid; García, José Ángel; Plazaola, Fernando; Rodríguez Velamazán, José Alberto (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      The influence of mechanically-induced defects on the magnetostructural properties is analyzed in a Ni-Co-Mn-Sn alloy subjected to soft milling and subsequent annealing treatments. It is found that, opposite to what occurs ...
      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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