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Aproximadamente 562 registro(s) hasta el momento: (journal)

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Recurso libre

Pyrolysis and combustion of electronic wastes
Moltó Berenguer, Julia - Font Montesinos, Rafael - Gálvez Moreno, Araceli - Conesa Ferrer, Juan Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The decreasing costs and increasing availability of electronic products of all kinds, including mobile phones, audio and video equipment, and personal computers and their accessories, coupled with advances in technology that rapidly make these products obsolete, foretell a growing disposal…
Fecha:	2009-10-23
Recurso:	RUA Docencia

Recurso libre

Wittig-type olefination of alcohols promoted by nickel nanoparticles: synthesis of polymethoxylated and polyhydroxylated stilbenes
Alonso Valdés, Francisco - Riente Paiva, Paola - Yus Astiz, Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	Nickel nanoparticles were found to promote the Wittig-type olefination of primary alcohols with phosphorus ylides. The latter can be prepared from the corresponding phosphonium salts with nBuLi or in situ generated with lithium metal. The methodology is especially efficient for…
Fecha:	2009-12-10
Recurso:	RUA Docencia

Recurso libre

Pseudoaccommodation and visual acuity with technovision PresbyLASIK and a theoretical simulated Array® multifocal intraocular lens
Illueca Contri, Carlos - Alió y Sanz, Jorge L. - Mas Candela, David - Ortiz Márquez, Dolores - Pérez Rodríguez, Jorge - Espinosa Tomás, Julián - Sala Pomares, Esperanza

Formato:	info:eu-repo/semantics/article
Enlaces:	PURPOSE: To compare the visual results of presbyLASIK patients to the best theoretical pseudoaccommodation that could be achieved using a multifocal refractive intraocular lens (IOL) model based on the optical structure of a simulated AMO Array multifocal IOL. METHODS: The…
Fecha:	2008-04-11
Recurso:	RUA Docencia

Recurso libre

Pedestrian tracking using inertial sensors
Feliz Alonso, Raúl - Zalama Casanova, Eduardo - Gómez García-Bermejo, Jaime

Formato:	info:eu-repo/semantics/article
Enlaces:	A personal navigation system is proposed in the present paper. This system is based on the use of inertial sensors and will be a complement for the Global Positioning System in places where GPS signals are not available. Such places…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

Physiology and methodology of intermittent resistance training for acyclic sports, Fisiología y metodología del entrenamiento de resistencia intermitente para deportes acíclicos
Casas, Adrián

Formato:	info:eu-repo/semantics/article
Enlaces:	Resistance training for acyclic sports has traditionally been carried out using training methods developed for cyclic sports. These methods were developed from the study of the physiological bases of maximum oxygen consumption (VO2max), prioritising “central” cardiovascular factors (cardiac) above “peripheral”…
Fecha:	2008-01-10
Recurso:	RUA Docencia

Recurso libre

Intellectual and environmental capital
Claver Cortés, Enrique - López Gamero, María Dolores - Molina Azorín, José Francisco - Zaragoza Sáez, Patrocinio del Carmen

Formato:	info:eu-repo/semantics/article
Enlaces:	Purpose – Faced with increasing environmental problems, traditional methods for transmitting information regarding corporate environmental actions are insufficient. Accordingly, the purpose of this paper is to suggest the environmental capital report, the knowledge map and the balanced scorecard as alternative…
Fecha:	2009-11-10
Recurso:	RUA Docencia

Recurso libre

Learning and adaptation in physical heterogeneous teams of robots
Rosa Esteva, Josep Lluis de la - Muñoz Moreno, Israel

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper we present a novel approach to assigning roles to robots in a team of physical heterogeneous robots. Its members compete for these roles and get rewards for them. The rewards are used to determine each agent’s preferences…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

Weighted Zernike polynomial fitting in steep corneas sampled in Cartesian grid
Espinosa Tomás, Julián - Pérez Rodríguez, Jorge - Mas Candela, David - Illueca Contri, Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Surfaces with radial structure do not fit well to squared detectors or sampling matrices. Cartesian grid sampling provides a different density of nodes in sectors. Zernike polynomials are a complete set of orthogonal polynomials defined on a unit disk often…
Fecha:	2011-02-21
Recurso:	RUA Docencia

Recurso libre

Relations between formal linguistic insecurity and the perception of linguistic insecurity: a quantitative study in an educational environment at the Valencian Community (Spain)
Baldaquí Escandell, Josep Maria

Formato:	info:eu-repo/semantics/article
Enlaces:	What is the relationship between the awareness of linguistic prestige and the security or insecurity in the use of minoritised languages? Is formal linguistic insecurity (as initially described by Labov) the same as the speakers’ perception of linguistic insecurity? Which…
Fecha:	2011-12-15
Recurso:	RUA Docencia

Recurso libre

10.

The necessity of considering the challenges facing Olympic Movement
Mohammadi, Sardar - Keyvan, Ahmadi Dehrashid

Formato:	info:eu-repo/semantics/article
Enlaces:	From the beginning that the modern Olympic Games formed, Coubertin had decide to establish and governance of amateurism in the Olympic Games. He always tried to keep Olympics Games far from issues such as professionalism in sport, issues and political…
Fecha:	2011-03-31
Recurso:	RUA Docencia

Recurso libre

11.

Children’s relationships with robots: robot is child’s new friend
Fior, Meghann - Nugent, Sarah - Beran, Tanya N. - Ramírez-Serrano, Alejandro - Kuzyk, Roman

Formato:	info:eu-repo/semantics/article
Enlaces:	The purpose of this study was to examine how children think about and attribute features of friendship to a robot after a brief interaction with one. Children visiting a science centre located in a major Western Canadian city were randomly…
Fecha:	2011-03-15
Recurso:	RUA Docencia

Recurso libre

12.

Metric regularity of Newton's iteration
Aragón Artacho, Francisco Javier - Dontchev, Asen L. - Gaydu, Michaël - Geoffroy, Michel H. - Veliov, Vladimir M.

Formato:	info:eu-repo/semantics/article
Enlaces:	For a version of Newton's method applied to a generalized equation with a parameter, we extend the paradigm of the Lyusternik–Graves theorem to the framework of a mapping acting from the pair “parameter-starting point” to the set of corresponding convergent…
Fecha:	2013-06-19
Recurso:	RUA Docencia

Recurso libre

13.

Conducting films obtained by electro-oxidation of p-aminodiphenylamine (ADPA) in the presence of aniline in buffer aqueous solution at pH 5
Cases Iborra, Francisco Javier - Huerta Arráez, Francisco - Lapuente Aragó, Rocío - Quijada Tomás, César - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The electrochemical oxidation of aniline and p-aminodiphenylamine (ADPA) was carried out in a phosphate buffer solution at pH 5. Cyclic voltammetry and ‘‘in situ’’ FTIR spectroscopy were combined to study the redox behavior of the oxidation products. When ADPA is…
Fecha:	2008-09-25
Recurso:	RUA Docencia

Recurso libre

14.

The comparison of competitive balance in Football Premier Leagues of England, Germany, Spain, France, Italy and Iran: a case study from 2009-2010 Season
Naghshbandi, Salah - Yousefi, Bahram - Etemad, Zaher - Moradi, Mehdi

Formato:	info:eu-repo/semantics/article
Enlaces:	Most sports are attractive because they are almost unpredictable. The more the competitiveness of league teams, the harder to predict the games and as a result, that league will be more attractive. Competitive balance refers to the balance in sport…
Fecha:	2012-01-11
Recurso:	RUA Docencia

Recurso libre

15.

Large and small deflections of a cantilever beam
Beléndez Vázquez, Tarsicio - Neipp López, Cristian - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	The classical problem of the deflection of a cantilever beam of linear elastic material, under the action of an external vertical concentrated load at the free end, is analysed. We present the differential equation governing the behaviour of this physical…
Fecha:	2009-01-30
Recurso:	RUA Docencia

Recurso libre

16.

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

17.

Doing things together: adolescent health and family rituals
Compañ Poveda, Elena - Moreno Marín, Josep - Ruiz Cantero, María Teresa - Pascual, Eliseo

Formato:	info:eu-repo/semantics/article
Enlaces:	Study objectives: (1) To describe the union and life cycle of family rituals, such as specific habits of sharing daily meals, special events or other family activities, and (2) to analyse the relation between the practice of family rituals and…
Fecha:	2008-10-31
Recurso:	RUA Docencia

Recurso libre

18.

Automatic inspection for phase-shift reflection defects in aluminum web production
Torres Medina, Fernando - Jiménez García, Luis Miguel - Candelas Herías, Francisco Andrés - Azorín Poveda, José María - Agulló, R.J.

Formato:	info:eu-repo/semantics/article
Enlaces:	Industrial inspection problems usually require specific and highly complex solutions that can be implemented at a reasonable cost, what has produced a great research and development effort in the field of computer vision. Among these problems, inspection system for continuous…
Fecha:	2008-08-05
Recurso:	RUA Docencia

Recurso libre

19.

La revista "El practicante almeriense"
Granero Molina, José - Fernández Sola, Cayetano - Muñoz Ronda, Francisco José - Heredia Berciano, Montserrat - Muñoz París, María José - Fernández Miranda, Eugenio

Formato:	info:eu-repo/semantics/article
Enlaces:	La precaria situación económica y sociosanitaria de la provincia de Almería en los albores del S. XX, es el caldo de cultivo adecuado para el desempeño de sus funciones de la clase de los practicantes, auxiliares sanitarios cuya labor fue…
Fecha:	2008-04-10
Recurso:	RUA Docencia

Recurso libre

20.

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

21.

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

22.

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

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.

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

26.

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

27.

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

28.

An integrated project for teaching the post-buckling of a slender cantilever bar
Beléndez Vázquez, Tarsicio - Neipp López, Cristian - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	We describe an integrated project that includes theoretical, numerical and experimental studies designed to facilitate teaching the non-linear post-buckling of a cantilever column to undergraduate mechanical engineering students. We present the differential equation governing the behaviour of this mechanical system…
Fecha:	2009-03-10
Recurso:	RUA Docencia

Recurso libre

29.

Mixed phase-amplitude holographic gratings recorded in bleached silver halide materials
Neipp López, Cristian - Pascual Villalobos, Carolina - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	The coupled wave theory of Kogelnik has given a well-established basis for the comprehension of how light propagates inside a volume hologram. This theory gives a good approximation for the diffraction efficiency of both volume phase holograms and volume absorption…
Fecha:	2009-01-30
Recurso:	RUA Docencia

Recurso libre

30.

Taxonomy of European Eristalinus (Diptera: Syrphidae) based on larval morphology and molecular data
Pérez Bañón, Celeste - Rojo Velasco, Santos - Ståhls, Gunilla - Marcos García, María Ángeles

Formato:	info:eu-repo/semantics/article
Enlaces:	The taxonomy of European Eristalinus syrphid flies is reviewed. New data on their life histories, biological notes and a key to species using pupal characters are provided. The larvae and puparia of Eristalinus taeniops (Wiedemann, 1818) and Eristalinus megacephalus (Rossi,…
Fecha:	2009-02-13
Recurso:	RUA Docencia

Recurso libre

31.

First-harmonic diffusion-based model applied to a polyvinyl-alcohol–acrylamide-based photopolymer
Neipp López, Cristian - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Márquez Ruiz, Andrés - Álvarez López, Mariela Lázara - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	The photopolymerization diffusion models give accurate comprehension of the mechanism of hologram formation inside photopolymer materials. Although several models have been proposed, these models share the common assumption that there is an interplay between the processes of monomer polymerization and…
Fecha:	2009-01-22
Recurso:	RUA Docencia

Recurso libre

32.

Comparative study of bleaches applied to BB-640 plates
Neipp López, Cristian - Condeza, Shirley - Campos, Ana María - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	The use of bleaching techniques is perhaps one of the most popular methods of creating phase holograms from holographic emulsions. In this paper we will study the influence of the different experimental conditions on the refractive index modulation created inside…
Fecha:	2009-01-30
Recurso:	RUA Docencia

Recurso libre

33.

Low spatial frequency characterization of holographic recording materials applied to correlation
Márquez Ruiz, Andrés - Neipp López, Cristian - Beléndez Vázquez, Augusto - Campos Coloma, Juan - Yzuel Giménez, María Josefa - Fimia Gil, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Accurate recording of computer-generated holograms (CGH) on a phase material is not a trivial task. The range of available phase materials is large, and their suitability depends on the fabrication technique chosen to produce the hologram. We are particularly interested…
Fecha:	2009-01-30
Recurso:	RUA Docencia

Recurso libre

34.

Olivocochlear efferent innervation of the organ of Corti in hypothyroid rats
Cantos Coll, Raquel - López García, Dolores Estilita - Merchán Cifuentes, Jaime - Rueda Puente, Joaquín

Formato:	info:eu-repo/semantics/article
Enlaces:	Congenital hypothyroidism induces developmental abnormalities in the auditory receptor, causing deafness due to a poor development of the outer hair cells (OHCs) and a lack of synaptogenesis between these cells and the olivocochlear axons. This efferent innervation is formed by…
Fecha:	2009-03-26
Recurso:	RUA Docencia

Recurso libre

35.

La publicidad en revistas de enfermería españolas, Publicity in Spanish nursing journals
García Hernández, Irene - Gálvez Toro, Alberto

Formato:	info:eu-repo/semantics/article
Enlaces:	Introducción. Todas las publicaciones científicas periódicas contienen algún tipo de publicidad, no obstante, hay publicaciones en las que la publicidad es tan abundante que el contenido científico llega a ocupar un segundo lugar. De hecho, la calidad de una revista…
Fecha:	2008-04-14
Recurso:	RUA Docencia

Recurso libre

36.

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

37.

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

38.

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

39.

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

40.

Analytical approximate solutions for conservative nonlinear oscillators by modified rational harmonic balance method
Beléndez Vázquez, Augusto - Gimeno Nieves, Encarnación - Álvarez López, Mariela Lázara - Yebra Calleja, María Soledad - Méndez Alcaraz, David Israel

Formato:	info:eu-repo/semantics/article
Enlaces:	An analytical approximate technique for conservative nonlinear oscillators is proposed. This method is a modification of the generalized harmonic balance method in which analytical approximate solutions have rational form. This approach gives us not only a truly periodic solution but…
Fecha:	2009-10-22
Recurso:	RUA Docencia

Recurso libre

41.

Holographic lens recorded on photopolymers: fabrication and study of the image quality
García Llopis, Celia - Rodríguez, Jesús D. - Fernández Varó, Elena - Camps Sanchis, Vicente Jesús - Fuentes Rosillo, Rosa - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	In recent years, holographic optical elements have been introduced in different applications such as high-density data storage, interconnections, spatial and temporal filters and three-dimensional displays. Simultaneously, more sensitive, efficient and durable holographic materials have been developed. Thus it is necessary…
Fecha:	2009-11-24
Recurso:	RUA Docencia

Recurso libre

42.

An advanced interactive interface for Robotics e-learing
Jara Bravo, Carlos Alberto - Candelas Herías, Francisco Andrés - Torres Medina, Fernando

Formato:	info:eu-repo/semantics/article
Enlaces:	Virtual and remote laboratories have improved learning and training in the academic community. They allow students to acquire methods, skills and experience related to real equipment in an intuitive and cost-effective way. The purpose of this paper is to present…
Fecha:	2009-03-16
Recurso:	RUA Docencia

Recurso libre

43.

Estado de ánimo percibido y eficacia en el manejo de la clase en profesorado de Educación Secundaria, Perceived general mood and efficacy in classroom management among Secondary School teachers
Perandones González, Teresa María - Castejón Costa, Juan Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	En décadas anteriores las emociones estuvieron en gran medida descuidadas en la investigación educativa sobre la enseñanza y los profesores, pero recientemente, se ha prestado más atención al papel de las emociones en la enseñanza y en la vida profesional…
Fecha:	2009-11-03
Recurso:	RUA Docencia

Recurso libre

44.

Catz, Dogz & Robotz? Human interaction with domestic robotic devices
Lawson, Shaun - Chesney, Thomas

Formato:	info:eu-repo/semantics/article
Enlaces:	This special issue of the Journal of Physical Agents is devoted to human interaction with domestic robots. The form, features and future, of domestic robotic devices, from entertainment-based agents through to robotic cleaners, companions, assistants and helpers, are considered and…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

45.

Chaucer's "makyng" of the Romaunt of the Rose
Sánchez Martí, Jordi

Formato:	info:eu-repo/semantics/article
Enlaces:	Despite its being the first testimony of Chaucer’s genius, the interest of modern criticism in the Romaunt has mainly focused on the issue of authorship, whereas the efforts to assess this text as a translation have been limited both in…
Fecha:	2011-10-10
Recurso:	RUA Docencia

Recurso libre

46.

Linearization of conservative nonlinear oscillators
Beléndez Vázquez, Augusto - Álvarez López, Mariela Lázara - Fernández Varó, Elena - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	A linearization method of the nonlinear differential equation for conservative nonlinear oscillators is analyzed and discussed. This scheme is based on the Chebyshev series expansion of the restoring force which allows us to obtain a frequency-amplitude relation which is valid…
Fecha:	2009-01-26
Recurso:	RUA Docencia

Recurso libre

47.

Approximation for a large-angle simple pendulum period
Beléndez Vázquez, Augusto - Rodes Roca, José Joaquín - Beléndez Vázquez, Tarsicio - Hernández Prados, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	An approximation scheme to obtain the period for large amplitude oscillations of a simple pendulum is analysed and discussed. The analytical approximate formula for the period is the same as that suggested by Hite (2005 Phys. Teach. 43 290), but…
Fecha:	2009-02-25
Recurso:	RUA Docencia

Recurso libre

48.

Cyanide and phenol oxidation on nanostructured Co3O4 electrodes prepared by different methods
Berenguer Betrián, Raúl - Valdés-Solís Iglesias, Teresa - Fuertes Arias, Antonio Benito - Quijada Tomás, César - Morallón Núñez, Emilia

Formato:	info:eu-repo/semantics/article
Enlaces:	Nanostructured cobalt oxide (Co3O4) electrodes were prepared by two different methods. The first one involved the synthesis of Co3O4 nanoparticles through a nanocasting route using commercial silica gel as a sacrificial template, and in the second one, the Co3O4 electrodes…
Fecha:	2009-04-28
Recurso:	RUA Docencia

Recurso libre

49.

Electrochemical methods to enhance the capacitance in activated carbon/polyaniline composites
Bleda Martínez, María Jesús - Peng, Chuang - Zhang, Shenguen - Chen, George Z. - Morallón Núñez, Emilia - Cazorla Amorós, Diego

Formato:	info:eu-repo/semantics/article
Enlaces:	Activated carbon/polyaniline composites have been prepared using different electrochemical methods: single-step potentiostatic polymerization, multiple-step potentiostatic polymerization, and potentiodynamic polymerization with the anodic potential limits being fixed at either 0.75 or 1 V (vs Ag/AgCl). The prepared composite samples were characterized…
Fecha:	2009-05-19
Recurso:	RUA Docencia

Recurso libre

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Comparison between emissions from the pyrolysis and combustion of different wastes
Conesa Ferrer, Juan Antonio - Font Montesinos, Rafael - Fullana Font, Andrés - Martín Gullón, Ignacio - Aracil Sáez, Ignacio - Gálvez Moreno, Araceli - Moltó Berenguer, Julia - Gómez-Rico Núñez de Arenas, María Francisca

Formato:	info:eu-repo/semantics/article
Enlaces:	A comparison between different emission rates of various pollutants obtained from various wastes is presented. The studied wastes were the following: polyethylene (PE), tyres, sewage sludges, polyvinyl chloride (PVC), cotton textiles, polyester textiles, meat and bone meals (MBMs), varnish wastes,…
Fecha:	2009-11-01
Recurso:	RUA Docencia