Ara es mostren els items 80006-80025 de 244456

    • Engineering of effective quadratic and cubic nonlinearities in two-period QPM gratings 

      Bang, O; Clausen, Carl B.; Torner Sabata, Lluís (OPTICAL SOCIETY OF AMERICA, 2000)
      Text en actes de congrés
      Accés obert
      Summary form only given. Quasi-phase-matching (QPM) by electric-field poling in ferro-electric materials, such as LiNbO/sub 3/, is promising due to the possibilities of engineering the photolithographic mask, and thus the ...
    • Engineering of multicolor spatial solitons with chirped-period quasi-phase-matching gratings in optical parametric amplification 

      Schober, A M; Fejer, M M; Carrasco, S; Torner Sabata, Lluís (2005-08)
      Article
      Accés restringit per política de l'editorial
      We demonstrate the excitation of solitons in a parametric amplifier with enhanced signal content through the use of a chirped-period quasi-phase-matching grating. This technique affords a low soliton threshold at the input ...
    • Engineering of spatial solitons in two-period QPM structures 

      Johansen, S K; Carrasco Rodríguez, Sílvia; Torner Sabata, Lluís; Bang, O (2002-08)
      Article
      Accés restringit per política de l'editorial
      We report on a scheme which might make it practically possible to engineer the effective competing nonlinearities that on average govern the light propagation in quasi-phase-matching (QPM) gratings. Modulation of the QPM ...
    • Engineering of thermoelectric composites based on silver selenide in aqueous solution and ambient temperature 

      Nan, Bingfei; Li, Mengyao; Zhang, Yu; Xiao, Ke; Lim, Khak Ho; Chang, Cheng; Han, Xu; Zuo, Yong; Li, Junshan; Arbiol Cobos, Jordi; Llorca Piqué, Jordi; Ibánez, María; Cabot, Andreu (American Chemical Society (ACS), 2023-05-01)
      Article
      Accés obert
      The direct, solid state, and reversible conversion between heat and electricity using thermoelectric devices finds numerous potential uses, especially around room temperature. However, the relatively high material processing ...
    • Engineering patterns of wrinkles and bubbles in supported graphene through modeling and simulation 

      Zhang, Kuang (Universitat Politècnica de Catalunya, 2015-06-10)
      Tesi
      Accés obert
      Graphene deposited on a substrate often exhibits out-of-plane deformations with different features and origins. Networks of localized wrinkles have been observed in graphene synthesized through CVD, as a result of compressive ...
    • Engineering photoresponse in epitaxial BiFe0.5Cr0.5O3 thin films through structural distortion 

      Seyfouri, Mohammad Moein; Zhang, Dawei; Menéndez, César; Sando, Daniel; Zhang, Qi; Cazorla Silva, Claudio; Seidel, Jan; Wang, Danyang (American Chemical Society (ACS), 2022-08-16)
      Article
      Accés obert
      Multiferroic BiFe0.5Cr0.5O3 (BFCO) thin films are promising candidates for emerging optoelectronics and all-oxide solar absorbers. Yet, a thorough understanding of the structural evolution and associated changes in the ...
    • Engineering polymers with improved charge transport properties from bithiophene-containing polyamides 

      Özen, Bilal; Candau, Nicolas; Temiz, Cansel; Grozema, Ferdinand C.; Fadaei Tirani, Farzaneh; Scopelliti, Rosario; Chenal, Jean Marc; Plummer, Christopher J. G.; Frauenrath, Holger (Royal Society of Chemistry (RSC), 2020)
      Article
      Accés obert
      Polymer semiconductors show unique combinations of mechanical and optoelectronic properties that strongly depend on their microstructure and morphology. Here, we have used a model p-conjugated bithiophene repeat unit to ...
    • Engineering redox active sites enriched 3D-on-2D bimetallic double layered hydroxide electrode for supercapatteries 

      Pugalenthiyar, Thondaiman; Justin Raj, Chellan; Velayutham, Rajavel; Dennyson Savariraj, Antonysamy; Manikandan, Ramu; Voz Sánchez, Cristóbal; Chul Kim, Byung (2022-10)
      Article
      Accés restringit per política de l'editorial
      The functionalization of structural nanoengineered battery-type electrodes has aided the emergence of supercapattery (SCp) subclass, which enables a wide range of applications. Herein, our research work provides a platform ...
    • Engineering schools facing the thorny issue of training students in collaborative skills: feedback from the field 

      Lanthony, Antoine; Konan, Rodrigue; Filogene, Fedler (Universitat Politècnica de Catalunya, 2022-09)
      Text en actes de congrés
      Accés obert
      In a context of transformation and increasing complexity of work due to the development of information technologies, communication and digital networks, the question of the acquisition and development of collaborative ...
    • Engineering self-organized criticality in living cells 

      Vidiella, Blai; Guillamon Grabolosa, Antoni; Sardanyes, Josep; Maull Miquel, Víctor; Pla Mauri, Jordi; Conde Pueyo, Núria; Solé, Ricard (2021-12-01)
      Article
      Accés obert
      Complex dynamical fluctuations, from intracellular noise, brain dynamics or computer traffic display bursting dynamics consistent with a critical state between order and disorder. Living close to the critical point has ...
    • Engineering sleep disorders : from classical CPAP devices toward new intelligent adaptive ventilatory therapy 

      Jané Campos, Raimon (2014-09-01)
      Article
      Accés restringit per política de l'editorial
      Among the most common sleep disorders are those related to disruptions in airflow (apnea) or reductions in the breath amplitude (hypopnea) with or without obstruction of the upper airway (UA). One of the most important ...
    • Engineering social reality with inheritance relations 

      Aldewereld, Huib; Álvarez Napagao, Sergio; Dignum, Frank; Vázquez Salceda, Javier (Springer, 2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In systems based on organisational specifications a reoccurring problem remains to be solved in the disparity between the level of abstractness of the organisational concepts and the concepts used in the implementation. ...
    • Engineering soliton nonlinearities: from local to strongly nonlocal 

      Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2009-01)
      Article
      Accés restringit per política de l'editorial
      We put forward what we believe to be a novel strategy to achieve synthetic nonlinearities where local and nonlocal contributions compete on a similar footing, thus yielding intermediate tunable responses ranging from local ...
    • Engineering strategy to improve peptide analogs: from structure-based computational design to tumor homing 

      Zanuy Gomara, David; Sayago García, Francisco Javier; Revilla López, Guillermo; Ballano Ballano, María Gema; Agemy, Lilach; Kotamraju, Venkata Ramana; Jimenez, Ana I.; Cativiela, Carlos; Nussinov, Ruth; Sawvel, April M.; Ruoslahti, Erkki; Stucky, Galen; Alemán Llansó, Carlos (2013-01)
      Article
      Accés restringit per política de l'editorial
      We present a chemical strategy to engineer analogs of the tumor-homing peptide CREKA (Cys-Arg- Glu-Lys-Ala), which binds to fibrin and fibrin-associated clotted plasma proteins in tumor vessels (Simberg et al. in Proc ...
    • Engineering students’ motivation for learning in challenge-driven project courses: a qualitative pilot study 

      Pantzos, Panagiotis; Rosén, Anders; Buckley, Jeffrey; Gumaelius, Lena (Universitat Politècnica de Catalunya, 2022-09)
      Text en actes de congrés
      Accés obert
      This pilot study explores engineering students’ motivation for learning and studying through the lens of Self-Determination Theory (SDT). Five postgraduate students from a research-intensive Swedish university participated ...
    • Engineering students’ views on ESP courses as a pathway for the development of graduates’ international mindsets 

      Arnó Macià, Elisabet; Aguilar Pérez, Marta (Springer Nature, 2022-04)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The growing internationalization of study and work settings has led to increased university internationalization, making it necessary to explore the language and communication skills that higher education students need, ...
    • Engineering study on the static resistance of the Tutankhamun class chariot 

      Castany Gràcia, Sandra (Universitat Politècnica de Catalunya, 2018-09-10)
      Treball Final de Grau
      Accés obert
    • Engineering teaching methods using hybrid technologies based on the motivation and assessment of student's profiles 

      Fonseca Escudero, David; Villagrasa, Sergi; Valls Dalmau, Francesc; Redondo Domínguez, Ernesto; Climent Ferrer, August; Vicent Safont, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper describes the evolution and integration of hybrid interfaces in the visualization of three-dimensional models, and presents the results of a preliminary study based on the profile and the student motivation. The ...
    • Engineering technology concurrent (dual) Masters Degrees: an Irish, Spanish and American collaboration across the Atlantic: innovations, issues & insights 

      Barnes, James L.; Barnes, Susan; Dyrenfurth, Michael; McHale, Donal; O'Donnell, Gareth; Castell Ariño, Núria; Murphy, Mike; Herrick, Robert; Newton, Kathryne (2012)
      Comunicació de congrés
      Accés obert
      This paper describes the innovations and lessons learned from a European Union - Atlantis Fund for the Improvement of Post Secondary Education funded project to implement a dual/concurrent Masters Degree program focusing ...
    • Engineering the frequency correlations of entangled two-photon states by achromatic phase-matching 

      Pérez Torres, Juan; Macia, F; Carrasco, S; Torner Sabata, Lluís (2005-02)
      Article
      Accés restringit per política de l'editorial
      We put forward a new method to control the spectra of photon pairs generated in parametric downconversion that allows their spectral properties to be tuned from correlation to anticorrelation, including uncorrelation. The ...