Now showing items 9911-9930 of 66758

• #### Botiga online ﻿

(Universitat Politècnica de Catalunya, 2014-05-16)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement
Reparing és una botiga online de peces de recanvi per electrodomèstics. Reparing té totes les funcionalitats imprescindibles d'una botiga online, a més d'ajuda per particulars no professionals. Té un catàleg amb dos milions ...
• #### Botiga Sonor ﻿

(1990-02)
Audiovisual
Open Access
Digitalitzat a partir del format original U-Matic
• #### Botnet ﻿

(Universitat Politècnica de Catalunya, 2009)
Master thesis (pre-Bologna period)
Open Access
Los ciberdelincuentes se centran en la actualidad en sus últimas y más avanzadas armas, llamadas botnet, expresamente enfocadas al ánimo de lucro, por medio de acciones ilegales. Convirtiéndose estos hackers oscuros en ...
• #### Bottom-up characterization of the Spanish building stock – Archetype buildings and energy demand ﻿

(Universitat Politècnica de CatalunyaChalmers Tekniska Högskola, 2010)
Master thesis (pre-Bologna period)
Restricted access - author's decision
The largest potential for energy efficiency improvements lies in retrofitting existing buildings. With the aim of meeting this challenge, a methodology that represents the European building stock as reference buildings has ...
• #### Bottom-up description of the French building stock, including archetype buildings and energy demand ﻿

(Universitat Politècnica de CatalunyaChalmers University of Technology, 2012-09)
Master thesis (pre-Bologna period)
Open Access
The work of this thesis was undertake to address an urgent need to describe the European building stock, so as to allow future assessments of the effects of different energy-saving measures. The available information on ...
• #### Bottom-up processing of thermoelectric nanocomposites from colloidal nanocrystal building blocks: the case of Ag2Te–PbTe ﻿

(2012-11-28)
Article
Restricted access - publisher's policy
Nanocomposites are highly promising materials to enhance the efficiency of current thermoelectric devices. A straightforward and at the same time highly versatile and controllable approach to produce nanocomposites is ...
• #### Bottoming bending process assisted by electroplasticity ﻿

(EUETIB, 2013-12)
Conference report
Open Access
Este estudio reporta la influencia de los efectos atérmicos de la electroplasticidad en el proceso de doblado por estampa. Se fabrica un generador que generar pulsos de 300A y un ancho de 50μs. Los materiales estudiados ...
• #### Bouncing loop quantum cosmology from F(T) gravity ﻿

(2013-05)
Article
Open Access
The big bang singularity could be understood as a breakdown of Einstein’s general relativity at very high energies. By adopting this viewpoint, other theories that implement Einstein cosmology at high energies might solve ...
• #### Bouncing of bubbles impacting at a free surface ﻿

(2009)
Conference report
Open Access
• #### Boundary conditions for gradient-enhanced models with smoothed displacements ﻿

(2012)
Article
Open Access
Los modelos de gradiente basados en desplazamientos suavizados son una alternativa a los modelos estándares para simular numéricamente el proceso de fallo de materiales. En esta formulación alternativa coexisten los ...
• #### Boundary layer effects on the vortex shedding in a Donaldsontype hydrofoil ﻿

(2014)
Conference lecture
Open Access
Fluid - Structure Interaction (FSI) phenomena is becoming a relevant study field for the design or revamping of hydropower plants. The generalized trend of increasing flow rates and reducing rotor blades/stay vanes thickness ...
• #### Boundary Layer Late Afternoon and Sunset Turbulence: the BLLAST 2011 experiment ﻿

(2012)
Conference report
Open Access
• #### Boundary regularity for the fractional heat equation ﻿

(Universitat Politècnica de Catalunya, 2014-09)
Bachelor thesis
Open Access
In this dissertation we present an introduction to nonlocal operators, and in particular, we study the fractional heat equation, which involves the fractional Laplacian of order 2s. In the first chapters we make a review ...
• #### Boundary value problems for Schrödinger operators on a path ﻿

(2012-05-25)
External research report
Open Access
In this work, we concentrate on determining explicit expressions, via suitable orthogonal polynomials on the line, for the Green function associated with any regular boundary value problem on a weighted path, whose weights ...
• #### Boundary value problems for Schrödinger operators on a Path Associated to Orthogonal Polynomials ﻿

(Springer, 2013)
Part of book or chapter of book
Restricted access - publisher's policy
In this work, we concentrate on determining explicit expressions, via suitable orthogonal polynomials on the line, for the Green function associated with any regular boundary value problem on a weighted path, whose weights ...
• #### Boundary-type sets and product operators in graphs ﻿

(2010)
Conference lecture
Open Access
• #### Bounded and dissipative solutions of the Bouc-Wen model for hysteretic structural systems ﻿

(2004-06)
Part of book or chapter of book
Open Access
The aim of this paper is to give the conditions on the hysteretic Bouc-Wen model so that (i) it has the property of being bounded input bounded output (BIBO), and (ii) it dissipates energy (or is passive). This study leads ...
• #### Bounded expansion in models of webgraphs ﻿

(2007-10-02)
Article
Open Access
We study the bounded expansion of several models of web graphs. We show that various deterministic graph models for large complex networks have constant bounded expansion.We study two random models of webgraphs, showing ...
• #### Bounded model checking for asynchronous concurrent systems ﻿

(Universitat Politècnica de Catalunya, 2014-03-04)
Doctoral thesis
• #### Bounded solutions of some nonlinear elliptic equations in cylindrical domains ﻿

(1997)
Article
Open Access
The existence of a (unique) solution of the second order semilinear elliptic equation $$\sum^{n}_{i,j=0}a_{ij}(x)u_{x_{i}x_{j}}+f(\nabla u,u,x)=0$$ with $x=(x_{0},x_{1},\dots, x_{n})\in (s_{0},\infty )\times \Omega '$, ...