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Aproximadamente 13390 registro(s) hasta el momento: (journal)

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Recurso libre

Practical software measurement. Objective information for decision makers J. McGary, D. Card, C. Jones, B. Layman, W. Clark, J. Dean, F. Hall Addison-Wesley 2002, 2002
Ramón, Hugo Dionisio

Formato:	Articulo, Revision
Enlaces:	The authors present the Measurement Information Model and the Measurement Process Model, as well as guidelines based on their experience in order to apply these models to specific projects.
Fecha:	2008-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A novel rational harmonic balance approach for periodic solutions of conservative nonlinear oscillators
Beléndez Vázquez, Augusto - Gimeno Nieves, Encarnación - Álvarez López, Mariela Lázara - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Méndez Alcaraz, David Israel

Formato:	info:eu-repo/semantics/article
Enlaces:	An analytical approximate procedure for a class of conservative single degree-of-freedom nonlinear oscillators with odd non-linearity is proposed. This technique is based on the generalized harmonic balance method in which analytical approximate solutions have rational forms. Unlike the classical harmonic…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

Linearized harmonic balancing approach for accurate solutions to the dynamically shifted oscillator
Beléndez Vázquez, Augusto - Rodes Roca, José Joaquín - Fuentes Rosillo, Rosa - García Llopis, Celia - Yebra Calleja, María Soledad - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	The analytical approximate technique developed by Wu et al for conservative oscillators with odd nonlinearity is used to construct approximate frequency-amplitude relations and periodic solutions to the dynamically shifted oscillator. This nonlinear oscillator is described by an equation of motion…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

Higher accuracy approximate solution for oscillations of a mass attached to a stretched elastic wire by rational harmonic balance method
Gimeno Nieves, Encarnación - Álvarez López, Mariela Lázara - Yebra Calleja, María Soledad - Rosa Herranz, Julio Luis - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	A second-order modified rational harmonic balance method is used for approximately solve the nonlinear differential equation that governs the oscillations of a system typified as a mass attached to a stretched elastic wire for which the restoring force for this…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

Modern database management VI Edition. Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden Prentice Hall, Upper Saddle River, NJ, 2002
Bertone, Rodolfo Alfredo

Formato:	Articulo, Revision
Enlaces:	This book provides an excellent foundation for the principles of database and data management. It explains some of the more difficult concepts fairly well. The book is meant for an introductory course in database management which is usually required as…
Fecha:	2008-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Digital signal processing. A computer based approach. 2 nd Edition Sanjit K. Mitra Mc.Graw Hill, 2001
Jaquenod, Guillermo A.

Formato:	Articulo, Revision
Enlaces:	Designed for a one-year course on DSP, the book Digital Signal Processing, A Computer Based Approach aims to give seniors or first-year graduate students strong foundations of the analysis and design of discrete-time systems for digital signal processing. Anyway, is…
Fecha:	2008-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Emer de Vattel and the Externalization of Sovereignty
Beaulac, Stéphane

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2009-10-28
Recurso:	Université de Montreal

Recurso libre

Spectroelectrochemical study of the oxidation of aminophenols on platinum electrode in acid medium
Salavagione, Horacio Javier - Arias Pardilla, Joaquín - Garcés Terradillos, Pedro - Morallón Núñez, Emilia - Barbero, César Alfredo - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The electrochemical oxidation of para-, meta- and ortho-aminophenols was carried out using a platinum electrode in aqueous acid medium. The spectroscopic results indicate that p-aminophenol suﬀers hydrolysis giving the formation of hydroquinone/p-benzoquinone. CO2 has been detected by in situ FTIR…
Fecha:	2008-09-25
Recurso:	RUA Docencia

Recurso libre

An analysis of the classical Doppler effect
Neipp López, Cristian - Hernández Prados, Antonio - Rodes Roca, José Joaquín - Márquez Ruiz, Andrés - Beléndez Vázquez, Tarsicio - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	The Doppler effect is a phenomenon which relates the frequency of the harmonic waves generated by a moving source with the frequency measured by an observer moving with a different velocity from that of the source. The classical Doppler effect…
Fecha:	2009-01-30
Recurso:	RUA Docencia

Recurso libre

10.

A comparative study of education officers’ training in two different cultures
Hood, Penelope J.

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-06-21
Recurso:	Anglia Ruskin University

Recurso libre

11.

A high-level perception architecture: real-time visual navigation for autonomous robots in structured environments
López de Teruel Alcolea, Pedro E.

Formato:	Articulo, Revision
Enlaces:	This thesis describes the design and implementation of a mobile robot which is able to perform a structural interpretation of indoor environments, using only visual and proprioceptive sensory information. The desired behaviour is real-time navigation based on this interpretation, instead…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Stabilization of volume gratings recorded in polyvinyl alcohol-acrylamide photopolymers with diffraction efficiencies higher than 90%
Gallego Rico, Sergi - Neipp López, Cristian - Ortuño Sánchez, Manuel - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	Obtaining holographic volume gratings with high diffraction efficiencies that can be used under white light has been a serious problem for the polyvinyl alcohol-acrylamide-based photopolymers developed by other researchers. In this paper we propose to eliminate the residual monomer in…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

13.

Multi-agent versus multi-robot and other Byzantine discussions
Matellán Olivera, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	This special issue of the Journal of Physical Agents is devoted to multi-robot systems. Some might perhaps argue that the term should have been ”multi-agent systems” or ”physical multi-agent systems”, in accordance with the title of the journal. In any…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

14.

The influence of the procedure on the dynamic range of bleached silver halide emulsions
Neipp López, Cristian - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	Bleached holograms are one of the most interesting techniques used to produce phase holograms of high quality on photographic emulsions. Of particular interest is the method of fixation-free rehalogenating bleaching. Using Kogelnik's coupled-wave theory we shall obtain information about the…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

15.

Angular responses of the first diffracted order in over-modulated volume diffraction gratings
Neipp López, Cristian - Álvarez López, Mariela Lázara - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Sheridan, John T. - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	Kogelnik's coupled-wave (CW) theory has been used for decades to predict the diffraction efficiency of volume diffraction gratings. Although this theory has been applied with success to volume diffraction gratings recorded under a great variety of experimental conditions, its predictions…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

16.

Memory disambiguation hardware: a review
Castro, Fernando - Chaver, Daniel - Piñuel, Luis - Prieto, Manuel - Tirado, Francisco

Formato:	Articulo, Articulo
Enlaces:	One of the main challenges of modern processor designs is the implementation of scalable and efficient mechanisms to detect memory access order violations as a result of out-of-order execution. Conventional structures performing this task are complex, inefficient and power-hungry. This…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Alpha-dense curves in infinite dimensional spaces
Mora Martínez, Gaspar - Mira López, Juan Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The theory of α−dense curves in the euclidean space Rn , n ≥ 2, was developed for finding algorithms for Global Optimization of multivariable functions ([1], [6]). The α-dense curves, considered as a generalization of Peano curves or space-filling curves,…
Fecha:	2011-01-12
Recurso:	RUA Docencia

Recurso libre

18.

A virtual laboratory for teaching robotics
Candelas Herías, Francisco Andrés - Puente Méndez, Santiago Timoteo - Torres Medina, Fernando - Ortiz Zamora, Francisco Gabriel - Gil Vázquez, Pablo - Pomares Baeza, Jorge

Formato:	info:eu-repo/semantics/article
Enlaces:	Technical teaching often requires the use of expensive laboratory materials which are frequently beyond the reach of many students. Students are also required to go to laboratories, which offer the appropriate facilities, according to a strict timetable. For these reasons,…
Fecha:	2008-06-09
Recurso:	RUA Docencia

Recurso libre

19.

Disassembly planning based on precedence relations among assemblies
Torres Medina, Fernando - Puente Méndez, Santiago Timoteo - Aracil Santonja, Rafael

Formato:	info:eu-repo/semantics/article
Enlaces:	An algorithm is presented that is based on a representation method for products, which lets us show, intuitively, the hierarchical relationships among components and/or assemblies of the product. This paper presents an algorithm for establishing a partial non-destructive disassembly sequence…
Fecha:	2008-08-01
Recurso:	RUA Docencia

Recurso libre

20.

Saturation in linear optimization
Goberna Torrent, Miguel Ángel - Jornet Pla, Valentín - Molina Vila, María Dolores

Formato:	info:eu-repo/semantics/article
Enlaces:	In a solvable linear optimization problem, a constraint is saturated if it is binding at a certain optimal solution and it is weakly saturated if it is binding at a proper subset of the optimal set. Nonsaturation and weak saturation…
Fecha:	2008-11-06
Recurso:	RUA Docencia

Recurso libre

21.

Measuring sustainability in a mass tourist destination: pressures, perceptions and policy responses in Torrevieja, Spain
Vera Rebollo, José Fernando - Ivars Baidal, Josep Antoni

Formato:	info:eu-repo/semantics/article
Enlaces:	El debate sobre el desarrollo del turismo sostenible por lo general se centra en las prácticas turísticas a pequeña escala, como el turismo rural o el ecoturismo, inadecuadamente llamadas turismo "alternativo”, a juzgar por los problemas que empiezan a crear.…
Fecha:	2009-11-12
Recurso:	RUA Docencia

Recurso libre

22.

Phénoménologie et réflexion dans la recherche en design : l'utilisation d'un journal réflexif dans la mise en place d'un programme d'ordinateur portable
Desjardins, Michael

Formato:	Thèse ou Mémoire numérique / Electronic Thesis or Dissertation
Enlaces:	Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal
Fecha:	2012-05-28
Recurso:	Université de Montreal

Recurso libre

23.

Three approaches to calculating the velocity profile of a laminar incompressible fluid flow in a hollow tube
Neipp López, Cristian - Hernández Prados, Antonio - Beléndez Vázquez, Tarsicio - Rodes Roca, José Joaquín - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	We present three ways of treating the problem of fluid flow in a hollow cylinder. One method involves a differential equation, and the other two involve more physical insight. We discuss the relative advantages of each method., The following article…
Fecha:	2009-01-26
Recurso:	RUA Docencia

Recurso libre

24.

Cables under concentrated loads: a laboratory project for an engineering mechanics course
Beléndez Vázquez, Tarsicio - Neipp López, Cristian - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	Cables are one of the common structures studied in a first-year engineering mechanics course (statics), since the flexible cable is one of the usual methods of supporting loads. For example, the suspension bridge has been used for many centuries and…
Fecha:	2009-01-27
Recurso:	RUA Docencia

Recurso libre

25.

Quality tools and techniques: are they necessary for quality management?
Tarí Guilló, Juan José - Sabater Sempere, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	Total quality management (TQM) has been developed around a number of critical factors. However, TQM is much more than a number of critical factors; it also includes other components, such as tools and techniques for quality improvement. In this paper,…
Fecha:	2009-11-11
Recurso:	RUA Docencia

Recurso libre

26.

Translation of pronominal anaphora between English and Spanish: discrepancies and evaluation
Peral Cortés, Jesús - Ferrández Rodríguez, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper evaluates the different tasks carried out in the translation of pronominal anaphora in a machine translation (MT) system. The MT interlingua approach named AGIR (Anaphora Generation with an Interlingua Representation) improves upon other proposals presented to date because…
Fecha:	2008-03-13
Recurso:	RUA Docencia

Recurso libre

27.

Automatic PC disassembly for component recovery
Torres Medina, Fernando - Gil Vázquez, Pablo - Puente Méndez, Santiago Timoteo - Pomares Baeza, Jorge - Aracil Santonja, Rafael

Formato:	info:eu-repo/semantics/article
Enlaces:	In this article, a personal computer disassembly cell is presented. With this cell, a certain degree of automatism is afforded for the non-destructive disassembly process and for the recycling of these kinds of mass-produced electronic products. Each component of the…
Fecha:	2008-08-01
Recurso:	RUA Docencia

Recurso libre

28.

Reconfigurable computing for tool-path computation
Jimeno Morenilla, Antonio - Cuenca Asensi, Sergio

Formato:	info:eu-repo/semantics/article
Enlaces:	Tool path generation is one of the most complex problems in Computer Aided Manufacturing. Although some efficient strategies have been developed to solve it, most of them are only useful for 3 and 5 axis standard machining. The algorithm called…
Fecha:	2008-10-15
Recurso:	RUA Docencia

Recurso libre

29.

MINIX4RT: Real-time Semaphores
Pessolani, Pablo Andrés

Formato:	Articulo, Articulo
Enlaces:	MINIX4RT is an extension of the well-known MINIX Operating System that adds Hard Real-Time services in a new microkernel but keeping backward compatibility with standard MINIX versions. Semaphores are the primitive synchronization and mutual exclusion mechanism in many operating systems,…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Nearest neighbor affinity scheduling in heterogeneous multi-core architectures
Sibai, Fadi N.

Formato:	Articulo, Articulo
Enlaces:	Asymmetric or heterogeneous multi-core (AMC) architectures have definite performance, performance per watt and fault tolerance advantages for a wide range of workloads. We propose a 16 core AMC architecture mixing simple and complex cores, and single and multiple thread cores…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Comparing marker definition algorithms for watershed segmentation in microscopy images
González, Mariela A. - Cuadrado, Teresita R. - Ballarín, Virginia Laura

Formato:	Articulo, Articulo
Enlaces:	Segmentation is often a critical step in image analysis. Microscope image components show great variability of shapes, sizes, intensities and textures. An inaccurate segmentation conditions the ulterior quantification and parameter measurement. The Watershed Transform is able to distinguish extremely complex…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Optimizing constrained problems through a T-Cell artificial immune system
Aragón, Victoria S. - Esquivel, Susana Cecilia - Coello Coello, Carlos

Formato:	Articulo, Articulo
Enlaces:	In this paper, we present a new model of an artificial immune system (AIS), based on the process that suffers the T-Cell, it is called T-Cell Model. It is used for solving constrained (numerical) optimization problems. The model operates on…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Corrigendum to “Solution of the relativistic (an)harmonic oscillator using the harmonic balance method” [J. Sound Vib. 311 (2008) 1447–1456]
Beléndez Vázquez, Augusto - Pascual Villalobos, Carolina - Méndez Alcaraz, David Israel - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	Descripción completa.
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

34.

How political epidemiology research can address why the millennium development goals have not been achieved: developing a research agenda
Gil González, Diana - Ruiz Cantero, María Teresa - Álvarez-Dardet Díaz, Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	The Millennium Development Goals (MDG) progress targets have not been met. Nevertheless, the United Nations (UN) has not yet undertaken in-depth review in order to discover the reasons behind this lack of progress in achieving the MDG. From a political…
Fecha:	2009-06-12
Recurso:	RUA Docencia

Recurso libre

35.

Electrochemical reduction of perchloroethylene in aqueous media: influence of the electrode material
Sáez Bernal, Verónica - Esclapez Vicente, María Deseada - Frías Ferrer, Ángel - Bonete Ferrández, Pedro - González García, José

Formato:	info:eu-repo/semantics/article
Enlaces:	The electrochemical reduction of perchloroethylene (PCE) in water has been analyzed through voltammetric studies with a rotating disc electrode and controlled potential bulk electrolysis. The influence of the mass transport conditions and initial concentration on lead, copper and carbon electrodes…
Fecha:	2009-02-05
Recurso:	RUA Docencia

Recurso libre

36.

Editorial

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2003-03-01
Recurso:	SCIELO

Recurso libre

37.

Editorial

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2003-09-01
Recurso:	SCIELO

Recurso libre

38.

Editorial

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2003-12-01
Recurso:	SCIELO

Recurso libre

39.

Description of two new species of Enclisis (Hymenoptera: Ichneumonidae) and support for the secretory role of tyloids in ichneumonid males
Bordera Sanjuán, Santiago - Hernández Rodríguez, Estefanía

Formato:	info:eu-repo/semantics/article
Enlaces:	Two new species of Enclisis Townes, 1970 from Spain are described and illustrated: E. dichroma sp. n. and E. schwarzi sp. n. The new species are distinguished from the closest species E. infernator and E. ornaticeps by head and leg…
Fecha:	2009-02-13
Recurso:	RUA Docencia

Recurso libre

40.

Numerical and experimental analysis of a cantilever beam: a laboratory project to introduce geometric nonlinearity in mechanics of materials
Beléndez Vázquez, Tarsicio - Neipp López, Cristian - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	The classical problem of deflection of a cantilever beam of linear elastic material, under the action of an uniformly distributed load along its length (its own weight) and an external vertical concentrated load at the free end, is experimentally and…
Fecha:	2009-01-23
Recurso:	RUA Docencia

Recurso libre

41.

Thick phase holographic gratings recorded on BB-640 and PFG-01 silver halide materials
Neipp López, Cristian - Márquez Ruiz, Andrés - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	Photographic emulsions are still widely used to record holographic optical elements. In particular, if high diffraction efficiencies are needed, phase volume holograms are preferably recorded on these emulsions. Two particular techniques producing high-quality volume phase holograms are fixation-free rehalogenating bleaching…
Fecha:	2009-01-30
Recurso:	RUA Docencia

Recurso libre

42.

Developing managers and leaders today for tomorrow
Hood, Penelope J.

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-07-28
Recurso:	Anglia Ruskin University

Recurso libre

43.

Editorial
Mitchell, David

Formato:	info:eu-repo/semantics/article, editorial, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

44.

Critical Studies in Media Commercialism
Jonathan Rose,

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

45.

Shaping Science with Rhetoric: The Cases of Dobzhansky, Schrodinger and Wilson
Celine Lafontaine,

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

46.

Pacific Press: The Unauthorized Story of Vancouver's Newspaper Monopoly
Catherine McKercher, ; Carleton University

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

47.

African Broadcast Cultures: Radio in Transition
Christian Agbobli,

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

48.

On the Pragmatics of Social Interaction: Preliminary Studies in the Theory of Communicative Action
Chris Russill,

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

49.

Discourses of Domination: Racial Bias in the Canadian English-Language Press
Isobel M. Findlay,

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

50.

Radio Reader: Essays in the Cultural History of Radio
Mary Vipond,

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2003-01-01
Recurso:	Canadian Journal of Comumunication