Exploració per títol

Ara es mostren els items 62564-62583 de 245817

    • Diffuse sunlight based calibration of the water vapor channel in the UPC Raman lidar 

      Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Sicard, Michaël; Barragán Cuesta, Rubén; García Vizcaíno, David; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco (EDP Sciences, 2017)
      Comunicació de congrés
      Accés obert
      A method for determining the calibration factor of the water vapor channel of a Raman lidar, based on zenith measurements of diffuse sunlight and on assumptions regarding some system parameters and Raman scattering models, ...

    • Diffusion and scaling in the ocean surface 

      Díez Rilova, Margarita; Bezerra Menezes, María Ozilea; Vila, Teresa; Castilla López, Roberto; Redondo Apraiz, José Manuel (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Diffusion and spectroscopy of water and lipids in fully hydrated dimyristoylphosphatidylcholine bilayer membranes 

      Yang, Jing; Calero Borrallo, Carles; Martí Rabassa, Jordi (2014-03-10)
      Article
      Accés obert
      Microscopic structure and dynamics of water and lipids in a fully hydrated dimyristoylphosphatidylcholine phospholipid lipid bilayer membrane in the liquid-crystalline phase have been analyzed with all-atom molecular ...

    • Diffusion capacity of single and interconnected networks 

      Schieber, Tiabo A.; Carpi, Laura C.; Pardalos, Panos M.; Masoller Alonso, Cristina; Díaz Guilera, Albert; Ravetti, Martin G. (2023-04-18)
      Article
      Accés obert
      Understanding diffusive processes in networks is a significant challenge in complexity science. Networks possess a diffusive potential that depends on their topological configuration, but diffusion also relies on the process ...

    • Diffusion coefficient in periodic and random potentials 

      Khoury, M; Gleeson, James P.; Sancho, Jose Maria; Lacasta Palacio, Ana María; Lindenberg, K (2009)
      Article
      Accés obert

    • Diffusion dialysis for the treatment of H2SO4-CuSO4 solutions from electroplating plants: Ions membrane transport characterization and modelling 

      Ruiz Aguirre, Alba; López Rodríguez, Julio; Gueccia, Rosa; Randazzo, Serena; Cipollina, Andrea; Cortina Pallás, José Luís; Micale, Giorgio (2021-07)
      Article
      Accés obert
      Diffusion dialysis (DD) is proposed to separate and recover mineral acids and transition metals from electroplating industry process waters promoting a circular approach of resources recovery. In this work, a DD module ...

    • Diffusion models: task and domain adaptation for training efficiency 

      Antona I Pizà, Héctor (Universitat Politècnica de Catalunya, 2023-07-10)
      Projecte Final de Màster Oficial
      Accés obert
      Diffusion Probabilistic Models represent a novel deep learning architecture that surpasses existing state-of-the-art methodologies across various fields and applications. The current work will exhaustively study and describe ...

    • Diffusion Monte Carlo methods for spin-orbit-coupled ultracold Bose gases 

      Sánchez Baena, Juan; Boronat Medico, Jordi; Mazzanti Castrillejo, Fernando Pablo (American Physical Society (APS), 2018-11-27)
      Article
      Accés obert
      We present two diffusion Monte Carlo (DMC) algorithms for systems of ultracold quantum gases featuring synthetic spin-orbit interactions. The first one is a spin-integrated DMC method which provides fixed-phase energy ...

    • Diffusion of Disruptive Innovations with Network Effects: The Electric Vehicle case 

      Martín León, Albert (Universitat Politècnica de Catalunya, 2012)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Disruptive innovations appear year after year in all kind of different technological areas. Not every breakthrough technology that tries to enter a market does it successfully so it is important to understand the key factors ...

    • Diffusion on Solid Surface: anomalous is Normal 

      Sancho, Jose Maria; Lacasta Palacio, Ana María; Lindenberg, K.; Sokolov, Igor M.; Romero, A. H. (American Physical Society, 2004-06-23)
      Article
      Accés obert
      We present a numerical study of classical particles diffusing on a solid surface. The particles’ motion is modeled by an underdamped Langevin equation with ordinary thermal noise. The particle-surface interaction is described ...

    • Diffusion processes and nanoparticle growth 

      Fanelli, Claudia (Universitat Politècnica de Catalunya, 2020-09-15)
      Tesi
      Accés obert
      Es conocido que muchas propiedades de las nanopartículas, como la luminiscencia, la fotoestabilidad, la eficiencia de la radiación óptica y las propiedades eléctricas, dependen del tamaño. Por lo tanto, la capacidad de ...

    • Diffusion through non-transverse heteroclinic chains : a long-time instability for the NLS 

      Simon López, Adrià (Universitat Politècnica de Catalunya, 2015-07-06)
      Tesi
      Accés obert
      En l'article [CKSTT] els autors proven una inestabilitat global per a l'equació de Schrödinger cúbica desenfocant en el tor 2-dimensional. Per aconseguir-ho, detecten un sistema finit d'equacions diferencials ordinàries, ...

    • Diffusion-annihilation processes in complex networks 

      Catanzaro, M; Boguña Espinal, Marian; Pastor Satorras, Romualdo (2005-05-10)
      Article
      Accés obert
      We present a detailed analytical study of the A+A¿/0 diffusion-annihilation process in complex networks. By means of microscopic arguments, we derive a set of rate equations for the density of A particles in vertices of a ...

    • Diffusion-based channel characterization in molecular nanonetworks 

      Llatser Martí, Ignacio; Alarcón Cot, Eduardo José; Pierobon, M. (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Nanotechnology is enabling the development of devices in a scale ranging from one to a few hundred nanometers, known as nanomachines. How these nanomachines will communicate is still an open debate. Molecular communication ...

    • Diffusion-based noise analysis for molecular communication in nanonetworks 

      Pierobon, Massimiliano; Akyildiz, Ian F. (2011-02-14)
      Article
      Accés restringit per política de l'editorial
      Molecular communication (MC) is a promising bio-inspired paradigm, in which molecules are used to encode, transmit and receive information at the nanoscale. Very limited research has addressed the problem of modeling and ...

    • Diffusion-based physical channel Identification for Molecule Nanonetworks 

      Garralda Torres, Nora (Universitat Politècnica de Catalunya, 2011-04-27)
      Projecte Final de Màster Oficial
      Accés obert
      Català: El treball és una exploració del canal de difusió molecular per nanoredes moleculars, en el qual s'identifica la resposta impulsional i en freqüència del canal, es comprova la seva linealitat i invariància i ...

    • Diffusion-based physical channel identification in molecular nanonetworks 

      Garralda, N.; Llatser Martí, Ignacio; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Pierobon, Massimiliano (2011-12)
      Article
      Accés restringit per política de l'editorial
      Nanonetworking is an emerging field of research at the intersection of nanotechnology and communication networks. Molecular Communication (MC) is a bio-inspired paradigm, where nanonetworks, i.e., the interconnection of ...

    • Diffusion-controlled and creep-mitigated ASR damage via microplane model: II. Material degra- dation, drying, and verification 

      Rahimi-Aghdam, Saeed; Bažant, Zdeněk Pavel; Caner, Ferhun Cem (American Society of Civil Engineers (ASCE), 2016-10-28)
      Article
      Accés obert
      The theory for the material and structural damage due to the alkali-silica reaction (ASR) in concrete is calibrated and validated by finite element fitting of the main test results from the literature. The fracture mechanics ...

    • Diffusion-free valve for preprogrammed immunoassay with capillary microfluidics 

      Azizian, Pooya; Casals Terré, Jasmina; Ricart Campos, Jordi; Cabot, Joan Marc (Nature, 2023-12-01)
      Article
      Accés obert
      By manipulating the geometry and surface chemistry of microfluidic channels, capillary-driven microfluidics can move and stop fluids spontaneously without external instrumentation. Furthermore, complex microfluidic circuits ...

    • Diffusion-reaction model for alkali-silica reaction in concrete 

      Liaudat, Joaquín; López Garello, Carlos María; Carol, Ignacio (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      A new diffusion-reaction model for the potentially deleterious Alkali-Silica Reaction (ASR) process in concrete is presented. The model involves three coupled diffusion processes, two in-goingand one out-goingfrom the ...