Now showing items 1-20 of 167

    • On certain subspaces of p for 0 < p ≤ 1 and their applications to conditional quasi-greedy bases in p-Banach spaces 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Wojtaszczyk, Przemyslaw (Springer, 2021)   Artículo / Artikulua
      We construct for each 0<p≤1 an infinite collection of subspaces of ℓp that extend the example of Lindenstrauss (Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 12, 539–542, 1964) of a subspace of ℓ1 with no ...
    • Comparative study of tribomechanical properties of HiPIMS with positive pulses DLC coatings on different tools steels 

      Claver Alba, Adrián; Jiménez-Piqué, Emilio; Palacio, José; Almandoz Sánchez, Eluxka Upna Orcid; Fernández de Ara, Jonathan; Fernández, Iván; Santiago, José A.; Barba Areso, Eneko; García Lorente, José Antonio Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Diamond-like carbon (DLC) coatings are very interesting due to their extraordinary properties; their excellent wear resistance, very low friction coefficient, great hardness, high elastic modulus or biocompatibility can ...
    • Hybrid pine (Pinus attenuata × Pinus radiata) somatic embryogenesis: what do you prefer, mother or nurse? 

      Montalbán, Itziar A.; Castander Olarieta, Ander; Hargreaves, Cathy L.; Gough, Keiko; Reeves, Cathie B.; Ballekom, Shaf van; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid; Moncaleán, Paloma (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Development of hybrid pines of Pinus radiata D. Don for commercial forestry presents an opportunity to diversify the current resource of plant material. Climate change and different land uses pose challenges, making ...
    • Evidence for the synthesis of La-hexaaluminate from aluminum-containing saline slag wastes: correction of structural defects and phase purification at low temperature 

      Torrez Herrera, Jonathan Josué Upna; Fuentes Ordóñez, Edwin Gustavo Upna Orcid; Korili, Sophia A. Upna; Gil Bravo, Antonio Upna Orcid (Elsevier, 2021)   Artículo / Artikulua
      The synthesis of a lanthanum hexaaluminate from the aluminum extracted from a saline slag waste is presented for the first time. Briefly, a refluxing 2 M solution of HCl is used to extract the aluminum, giving 8.9 gAl/dm3 ...
    • Understanding the formation of Al13 and Al30 polycations to the development of microporous materials based on Al13-and Al30-PILC montmorillonites: a review 

      Cardona, Yaneth Upna Orcid; Gil Bravo, Antonio Upna Orcid; Korili, Sophia A. Upna (Elsevier, 2021)   Artículo / Artikulua
      Hydrolysis of aluminum cations (Al3+), the third most abundant metal in the Earth’s crust, is considered relevant in many academic fields, including materials science and chemical engineering. AlIII -polycations and ...
    • Lipschitz free p-spaces for 0 < p < 1 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Cúth, Marek; Doucha, Michal (SpringerHebrew University Magnes Press, 2020)   Artículo / Artikulua
      This paper initiates the study of the structure of a new class of p-Banach spaces, 0 <p < 1, namely the Lipschitz free p-spaces (alternatively called Arens—Eells p-spaces) Fp(M) over p-metric spaces. We systematically ...
    • Non-superreflexivity of Garling sequence spaces and applications to the existence of special types of conditional bases 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Dilworth, S. J.; Kutzarova, Denka (Instytut Matematyczny, 2020)   Artículo / Artikulua  OpenAccess
      We settle in the negative the problem of the superreflexivity of Garling sequence spaces by showing that they contain a complemented subspace isomorphic to a non-superreflexive mixed-norm sequence space. As a by-product, ...
    • Application of a modeling tool to describe fly ash generation, composition, and melting behavior in a wheat straw fired commercial power plant 

      Funcia, Ibai; Bimbela Serrano, Fernando; Gil, Javier; Gandía Pascual, Luis Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Ash behavior is a key operational aspect of industrial-scale power generation by means of biomass combustion. In this work, FactSage™ 6.4 software was used to develop and assess three models of wheat straw combustion in a ...
    • Multigrid solvers for multipoint flux approximations of the Darcy problem on rough quadrilateral grids 

      Arrarás Ventura, Andrés Upna Orcid; Gaspar, F. J.; Portero Egea, Laura Upna Orcid; Rodrigo, C. (Springer, 2020)   Artículo / Artikulua  OpenAccess
      In this work, an efficient blackbox-type multigrid method is proposed for solving multipoint flux approximations of the Darcy problem on logically rectangular grids. The approach is based on a cell-centered multigrid ...
    • Effect of the surface properties of Me2+/Al layered double hydroxides synthesized from aluminum saline slag wastes on the adsorption removal of drugs 

      Santamaría Arana, Leticia Upna Orcid; Devred, F.; Gaigneaux, E. M.; Korili, Sophia A. Upna; Gil Bravo, Antonio Upna Orcid (ElsevierInternational Zeolite Association, 2020)   Artículo / Artikulua
      This work presents the synthesis of Me2+ (Co, Mg, Ni and Zn)/Al layered double hydroxides (LDH) with a 3:1 M ratio by the co-precipitation method. Structural characterization and comparison of the series has been achieved ...
    • Saline slag waste as an aluminum source for the synthesis of Zn–Al–Fe–Ti layered double-hydroxides as catalysts for the photodegradation of emerging contaminants 

      Santamaría Arana, Leticia Upna Orcid; Vicente, Miguel Ángel; Korili, Sophia A. Upna; Gil Bravo, Antonio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua
      In this work, aluminum extracted from saline slag waste is valorized to create a layered double-hydroxide series containing zinc and various proportions of aluminum/titanium. Materials were synthesized by the co-precipitation ...
    • Systematic diffusion-ordered spectroscopy for the selective determination of molecular weight in real lignins and fractions arising from base-catalyzed depolymerization reaction mixtures 

      Cornejo Ibergallartu, Alfonso; García Yoldi, Íñigo Upna; Galilea Gonzalo, Rebeca Upna; Hablich Alvarracin, Karina Lissett Upna; Gil Idoate, María José Upna Orcid; Martínez Merino, Víctor (American Chemical Society, 2020)   Artículo / Artikulua  OpenAccess
      The valorization of biorefinery downstream lignin fractions is a key issue in increasing the sustainability of second-generation biofuels. The development of reliable methodologies for the selective determination of the ...
    • Surface roughness influence on Néel-, crosstie, and Bloch-type charged zigzag magnetic domain walls in nanostructured Fe films 

      Favieres Ruiz, Cristina Upna Orcid; Vergara Platero, José Upna Orcid; Madurga Pérez, Vicente Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Charged magnetic domain walls have been visualized in soft magnetic nanostructured Fe thin films under both static and dynamic conditions. A transition in the core of these zigzagged magnetic walls from Néel-type to ...
    • Experimental stark widths and shifts of V II spectral lines 

      Manrique Rosel, Javier; Díaz Pace, D. M.; Aragón Garbizu, Carlos Upna Orcid; Aguilera Andoaga, José Antonio Upna Orcid (Oxford University Press, 2020)   Artículo / Artikulua  OpenAccess
      We have measured the Stark widths and shifts of V II spectral lines in the wavelength range 2000-4200 Å belonging to 75 multiplets. The spectra are emitted by laser-induced plasmas generated from fused glass discs prepared ...
    • Pinus spp. somatic embryo conversion under high temperature: effect on the morphological and physiological characteristics of plantlets 

      Marqués do Nascimento, Antonia Maiara; Barroso, Priscila Alves; Ferreira do Nascimento, Naysa Flavia; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid; Montalbán, Itziar A.; Moncaleán, Paloma (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Climatic variations in the current environmental scenario require plants with tolerance to sudden changes in temperature and a decrease in water availability. Accordingly, this tolerance will enable successful plantations ...
    • FRIPON: a worldwide network to track incoming meteoroids 

      Colas, F.; Zanda, B.; Bouley, S.; Jeanne, S.; Malgoyre, A.; Birlan, M.; Yanguas Sayas, Patricia Upna Orcid; Blanpain, C.; Gattacceca, J.; Jorda, L.; Lecubin, J.; Marmo, C.; Rault, J. L.; Vaubaillon, J.; Vernazza, P.; Yohia, C.; Gardiol, D.; Nedelcu, A.; Poppe, B.; Rowe, J.; Forcier, M.; Koschny, D.; Trigo-Rodríguez, J. M.; Lamy, H.; Behrend, R.; Ferrière, L.; Barghini, D.; Buzzoni, A.; Carbognani, A.; Di Carlo, M.; Di Martino, M.; Knapic, C.; Londero, E.; Pratesi, G.; Rasetti, S.; Riva, W.; Stirpe, G.M.; Valsecchi, G.B.; Volpicelli, C.A.; Zorba, S.; Coward, D.; Drolshagen, E.; Drolshagen, G.; Hernández, O.; Jehin, E.; Jobin, M.; King, A.; Nitschelm, C.; Ott, T.; Sánchez-Lavega, Agustín; Toni, A.; Abraham, P.; Affaticati, F.; Albani, M.; Andreis, A.; Andrieu, T.; Anghel, S.; Antaluca, E.; Antier, K.; Appéré, T.; Armand, A.; Ascione, G.; Audureau, Y.; Auxepaules, G.; Avoscan, T.; Baba Aissa, D.; Bacci, P.; Bãdescu, O.; Baldini, R.; Baldo, R.; Balestrero, A.; Baratoux, D.; Barbotin, E.; Bardy, M.; Basso, S.; Bautista, O.; Bayle, L. D.; Beck, P.; Bellitto, R.; Belluso, R.; Benna, C.; Benammi, M.; Beneteau, E.; Benkhaldoun, Z.; Bergamini, P.; Bernardi, F.; Bertaina, M. E.; Bessin, P.; Betti, L.; Bettonvil, F.; Bihel, D.; Birnbaum, C.; Blagoi, O.; Blouri, E.; Boacã, I.; Boatã, R.; Bobiet, B.; Bonino, R.; Boros, K.; Bouchet, E.; Borgeot, V.; Bouchez, E.; Boust, D.; Boudon, V.; Bouman, T.; Bourget, P.; Brandenburg, S.; Bramond, Ph.; Braun, E.; Bussi, A.; Cacault, P.; Caillier, B.; Calegaro, A.; Camargo, J.; Caminade, S.; Campana, A. P. C.; Campbell Burns, P.; Canal Domingo, R.; O. Carell, O.; Carreau, S.; Cascone, E.; Cattaneo, C.; Cauhape, P.; Cavier, P.; Celestin, S.; Cellino, A.; Champenois, M.; Chennaoui Aoudjehane, Hasnaa; Chevrier, S.; Cholvy, P.; Chomier, L.; Christou, A.; Cricchio, D.; Coadou, P.; Cocaign, J. Y.; Cochard, F.; Cointin, S.; Colombi, E.; Colque Saavedra, J. P.; Corp, L.; Costa, M.; Costard, F.; Cottier, M.; Cournoyer, P.; Cousta, E.; Cremonese, G.; Cristea, O.; Cuzon, J. C.; D’Agostino, G.; Daiffallah, K.; Dãnescu, C.; Dardon, A.; Dasse, T.; Davadan, C.; Debs, V.; Defaix, J. P.; Deleflie, F.; D’Elia, M.; De Luca, P.; De Maria, P.; Deverchère, P.; Devillepoix, H.; Dias, A.; Di Dato, Andrea; Di Luca, R.; Dominici, F. M.; Drouard, A.; Dumont, J. L.; Dupouy, P.; Duvignac, L.; Egal, A.; Erasmus, N.; Esseiva, N.; Ebel, A.; Eisengarten, B.; Federici, F.; Feral, S.; Ferrant, G.; Ferreo, E.; Finitzer, P.; Foucault, A.; Francois, P.; Frîncu, M.; Froger, J. L.; Gaborit, F.; Gagliarducci, V.; Galard, J.; Gardavot, A.; Garmier, M.; Garnung, M.; Gautier, B.; Gendre, B.; Gerard, D.; Gerardi, A.; Godet, J. P.; Grandchamps, A.; Grouiez, B.; Groult, S.; Guidetti, D.; Giuli, G.; Hello, Y.; Henry, X.; Herbreteau, G.; Herpin, M.; Hewins, P.; Hillairet, J. J.; Horak, J.; Hueso, R.; Huet, E.; Huet, S.; Hyaumé, F.; Interrante, G.; Isselin, Y.; Jeangeorges, Y.; Janeux, P.; Jeanneret, P.; Jobse, K.; Jouin, S.; Jouvard, J. M.; Joy, K.; Julien, F.; Kacerek, R.; Kaire, M.; Kempf, M.; Koschny, D.; Krier, C.; Kwon, M. K.; Lacassagne, L.; Lachat, D.; Lagain, A.; Laisné, E.; Lanchares, Víctor; Laskar, J.; Lazzarin, M.; Leblanc, M.; Lebreton, J. P.; Lecomte, J.; Le Dû, P.; Lelong, F.; Lera, S.; Leoni, J. F.; Le Pichon, A.; Le Poupon, P.; Leroy, A.; Leto, G.; Levansuu, A.; Lewin, E.; Lienard, A.; Licchelli, D.; Locatelli, H.; Loehle, S.; Loizeau, D.; Luciani, L.; Maignan, M.; Manca, F.; Mancuso, S.; Mandon, E.; Mangold, N.; Mannucci, F.; Maquet, L.; Marant, D.; Marchal, Y.; Marín, J. L.; Martín Brisset, J. C.; Martín, D.; Mathieu, D.; Maury, A.; Mespoulet, N.; Meyer, F.; Meyer, J. Y.; Meza, E.; Moggi Cecchi, V.; Moiroud, J. J.; Millán, M.; Montesarchio, M.; Misiano, A.; Molinari, E.; Molau, S.; Monari, J.; Monflier, B.; Monkos, A.; Montemaggi, M.; Monti, G.; Moreau, R.; Morin, J.; Mourgues, R.; Mousis, O.; Nablanc, C.; Nastasi, A.; Niacsu, L.; Notez, P.; Ory, M.; Pace, E.; Paganelli, M. A.; Pagola, A.; Pajuelo, M.; Palacián Subiela, Jesús Francisco Upna Orcid; Pallier, G.; Paraschiv, P.; Pardini, R.; Pavone, M.; Pavy, G.; Payen, G.; Pegoraro, A.; Peña-Asensio, Eloy; Pérez, L.; Pérez-Hoyos, Santiago; Perlerin, V.; Peyrot, A.; Peth, F.; Pic, V.; Pietronave, S.; Pilger, C.; Piquel, M.; Pisanu, T.; Poppe, M.; Portois, L.; Prezeau, J. F.; Pugno, N.; Quantin, C.; Quitté, G.; Rambaux, N.; Ravier, E.; Repetti, U.; Ribas, S.; Richard, C.; Richard, D.; Rigoni, M.; Rivet, J. P.; Rizzi, N.; Rochain, S.; Rojas, J. F.; Romeo, M.; Rotaru, M.; Rotger, M.; Rougier, P.; Rousselot, P.; Rousset, J.; Rousseu, D.; Rubiera, O.; Rudawska, R.; Rudelle, J.; Ruguet, J. P.; Russo, P.; Sales, S.; Sauzereau, O.; Salvati, F.; Schieffer, M.; Schreiner, D.; Scribano, Y.; Selvestrel, D.; Serra, R.; Shengold, L.; Shuttleworth, A.; Smareglia, R.; Sohy, S.; Soldi, M.; Stanga, R.; Steinhausser, A.; Strafella, F.; Sylla, Serigne; Smedley, Andrew; Tagger, M.; Tanga, P.; Taricco, C.; Teng, J. P.; Tercu, J. O.; Thizy, O.; Thomas, J. P.; Tombelli, M.; Trangosi, R.; Tregon, B.; Trivero, P.; Tukkers, A.; Turcu, V.; Umbriaco, G.; Unda-Sanzana, Eduardo; Vairetti, R.; Valenzuela, M.; Valente, G.; Varennes, G.; Vauclair, S.; Vergne, J.; Verlinden, M.; Vidal Alaiz, M.; Vieira-Martins, Roberto; Viel, A.; Vîntdevarã, D. C.; Vinogradoff, V.; Volpini, P.; Wendling, M.; Wilhelm, P.; Wohlgemuth, K.; Zagarella, R.; Zollo, A. (EDP Sciences, 2020)   Artículo / Artikulua  OpenAccess
      Context. Until recently, camera networks designed for monitoring fireballs worldwide were not fully automated, implying that in case of a meteorite fall, the recovery campaign was rarely immediate. This was an important ...
    • Preparation of Al/Fe-PILC clay catalysts from concentrated precursors: enhanced hydrolysis of pillaring metals and intercalation 

      Vallejo, Carlos Andrés; Galeano, Luis Alejandro; Trujillano, Raquel; Vicente, Miguel Ángel; Gil Bravo, Antonio Upna Orcid (Royal Society of Chemistry, 2020)   Artículo / Artikulua  OpenAccess
      The modification of bentonite with Al-Fe species from different concentrated precursors at both stages: (i) the preparation of the (Al/Fe)-mixed pillaring solution and (ii) intercalation itself, was studied at lab scale. ...
    • Glutathione-magnetite nanoparticles: synthesis and physical characterization for application as MRI contrast agent 

      Beato López, Juan Jesús Upna Orcid; Domínguez, M.; Ramírez del Solar, M.; Litrán, R. (Springer, 2020)   Artículo / Artikulua  OpenAccess
      In this work a one-pot synthesis of water soluble glutathione capped magnetite nanoparticles is reported. The magnetic characterization of the samples shows the expected superparamagnetic behavior, but a wide range of ...
    • Induction of radiata pine somatic embryogenesis at high temperatures provokes a long-term decrease in DNA methylation/hydroxymethylation and differential expression of stress-related genes 

      Castander Olarieta, Ander; Pereira, Catia; Sales, Ester; Meijón, Mónica; Arrillaga, Isabel; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid; Cañal, María Jesús; Moncaleán, Paloma; Montalbán, Itziar A. (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Based on the hypothesis that embryo development is a crucial stage for the formation of stable epigenetic marks that could modulate the behaviour of the resulting plants, in this study, radiata pine somatic embryogenesis ...
    • Uniformly convergent expansions for the generalized hypergeometric functions p –1Fp and pFp 

      López García, José Luis Upna Orcid; Pagola Martínez, Pedro Jesús Upna; Karp, D. B. (Taylor & Francis, 2020)   Artículo / Artikulua  OpenAccess
      We derive a convergent expansion of the generalized hypergeometric function p−1 F p in terms of the Bessel functions 0 F 1 that holds uniformly with respect to the argument in any horizontal strip of the complex plane. We ...