Metabuscador

Filtrado por:

Temas

Química Física (17)
Organización de Empresas (15)
Física Aplicada (13)
Medicina Preventiva y Salud Pública (13)
Óptica (12)
Más...

Idiomas

Español (1)
Más...

Año

2012 (7)
2011 (3)
2010 (5)
2009 (26)
2008 (34)
2006 (23)
Más...

Aproximadamente 138 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Asymptotic representations of the period for the nonlinear oscillator
Beléndez Vázquez, Augusto - Hernández Prados, Antonio - Beléndez Vázquez, Tarsicio - Neipp López, Cristian - Márquez Ruiz, Andrés

Formato:	info:eu-repo/semantics/article
Enlaces:	The asymptotic behaviours for small and large amplitudes, A, of the period for a nonlinear oscillator, where the square of the angular frequency depends quadratically on the velocity, are obtained. These asymptotic expressions are compared with the exact period, T(A),…
Fecha:	2007-10-27
Recurso:	RUA Docencia

Recurso libre

The successful application of natural language processing for information retrieval
Ferrández Rodríguez, Antonio - Rojas Hernández, Yenory - Peral Cortés, Jesús

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper, a novel model for monolingual Information Retrieval in English and Spanish language is proposed. This model uses Natural Language Processing techniques (a POS-tagger, a Partial Parser, and an Anaphora Resolver) in order to improve the precision of…
Fecha:	2007-10-28
Recurso:	RUA Docencia

Recurso libre

Comments on “investigation of the properties of the period for the nonlinear oscillator x''+(1+x^2)x'=0”
Beléndez Vázquez, Augusto - Beléndez Vázquez, Tarsicio - Hernández Prados, Antonio - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	Two Lidstedt-Poincaré perturbation based methods are used to solve the nonlinear differential equation of a nonlinear oscillator having the square of the angular frequency depends quadratically on the velocity. Mickens published two interesting papers [1, 2] about this oscillator and…
Fecha:	2007-10-27
Recurso:	RUA Docencia

Recurso libre

Application of the harmonic balance method to a nonlinear oscillator typified by a mass attached to a stretched wire
Beléndez Vázquez, Augusto - Hernández Prados, Antonio - Beléndez Vázquez, Tarsicio - Álvarez López, Mariela Lázara - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	The first-order harmonic balance method via the first Fourier coefficient is used to construct two approximate frequency–amplitude relations for a conservative nonlinear oscillatory system in which the restoring force has an irrational form. This system corresponds to the motion of…
Fecha:	2007-10-26
Recurso:	RUA Docencia

Recurso libre

Newton additive and multiplicative Schwarz iterative methods
Arnal García, Josep - Migallón Gomis, Violeta - Penadés Martínez, José - Szyld, Daniel B.

Formato:	info:eu-repo/semantics/preprint
Enlaces:	Convergence properties are presented for Newton additive and multiplicative Schwarz (AS and MS) iterative methods for the solution of nonlinear systems in several variables. These methods consist of approximate solutions of the linear Newton step using either AS or MS…
Fecha:	2007-10-03
Recurso:	RUA Docencia

Recurso libre

Computation and visualization of the MacAdam limits for any lightness, hue angle, and light source
Martínez Verdú, Francisco Miguel - Perales Romero, Esther - Chorro Calderón, Elísabet - Fez Saiz, Dolores de - Viqueira Pérez, Valentín - Gilabert Pérez, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	We present a systematic algorithm capable of searching for optimal colors for any lightness L* (between 0 and 100), any illuminant (D65, F2, F7, F11, etc.), and any light source reported by CIE. Color solids are graphed in some color…
Fecha:	2007-07-11
Recurso:	RUA Docencia

Recurso libre

Modification of slope mass rating (SMR) by continuous functions
Tomás Jover, Roberto - Delgado Marchal, José - Serón Gáñez, José Bernardo

Formato:	info:eu-repo/semantics/article
Enlaces:	Las clasificaciones geomecánicas son muy empleadas en mecánica de rocas para la caracterización de macizos rocosos. Entre las existentes para taludes, el SMR es una de las más empleadas. En el presente artículo se proponen una serie de funciones continuas…
Fecha:	2007-10-12
Recurso:	RUA Docencia

Recurso libre

Analytical pyrolysis as a characterization technique for monitoring the production of carbon nanofilaments
Vera Agulló, José - Varela Rizo, Helena - Font Montesinos, Rafael - Conesa Ferrer, Juan Antonio - Martín Gullón, Ignacio

Formato:	info:eu-repo/semantics/article
Enlaces:	The main step in the production of carbon nanofilaments is the catalytic nucleation and lengthening of the filament. An undesired parallel step in the production of carbon nanofilaments is their thickening by pyrolitic carbon vapor deposition consisting in an ordered…
Fecha:	2007-10-22
Recurso:	RUA Docencia

Recurso libre

Application of homotopy perturbation method to the nonlinear pendulum
Beléndez Vázquez, Augusto - Hernández Prados, Antonio - Beléndez Vázquez, Tarsicio - Neipp López, Cristian - Márquez Ruiz, Andrés

Formato:	info:eu-repo/semantics/article
Enlaces:	The homotopy perturbation method is used to solve the nonlinear differential equation that governs the nonlinear oscillations of a simple pendulum, and an approximate expression for its period is obtained. Only one iteration leads to high accuracy of the solutions…
Fecha:	2007-10-27
Recurso:	RUA Docencia

Recurso libre

10.

SN2' alkylation of chiral allylic cyanohydrin o-phosphates with organocuprates
Baeza Carratalá, Alejandro - Nájera Domingo, Carmen - Sansano Gil, José Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	Enantiomerically enriched cyanohydrin O-phosphates, prepared by enantioselective cyanophosphorylation of α,β-unsaturated aldehydes, react regioselectively at the γ-position with organocuprates derived from alkyl Grignard reagents and CuCN to afford chiral γ-alkyl-substituted α,β-unsaturated nitriles. The configuration of the new C–C double bond is…
Fecha:	2007-11-02
Recurso:	RUA Docencia

Recurso libre

11.

Surface modifications and adhesion of SBS rubber containing calcium carbonate filler by treatment with UV radiation
Romero Sánchez, María Dolores - Walzak, Mary Jane - Torregrosa Maciá, Rosa - Martín Martínez, José Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	Two styrene–bTwo styrene–butadiene–styrene block rubbers, one with 10wt% calcium carbonate filler (S6C), and one without (S6) were surface treated with UV radiation. The resulting surface modifications and adhesion properties with polyurethane adhesive were studied. The surface modifications produced on these…
Fecha:	2007-10-31
Recurso:	RUA Docencia

Recurso libre

12.

Study of the polymer-catalyst contact effectivity and the heating rate influence on the HDPE pyrolysis
Marcilla Gomis, Antonio - Hernández Férez, María del Remedio - García Cortés, Ángela Nuria

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper studies the effect of two different parameters on the different fractions obtained in the catalytic pyrolysis of HDPE using HZSM-5. On one hand, the influence of the heating rate on the results obtained has been studied by selecting…
Fecha:	2007-10-21
Recurso:	RUA Docencia

Recurso libre

13.

A Robust approach to control robot manipulators by fusing visual and force information
Pomares Baeza, Jorge - García Gómez, Gabriel Jesús - Torres Medina, Fernando

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper, a method to combine visual and force information using the information obtained from the movement flow-based visual servoing system is proposed. This method allows not only to achieve a given desired position but also to specify the…
Fecha:	2007-11-02
Recurso:	RUA Docencia

Recurso libre

14.

Asymmetric conjugate addition of ketones to β-nitrostyrenes by means of 1,2-amino-alcohol-derived prolinamides as bifunctional catalysts
Almasi, Diana - Alonso Velasco, Diego Antonio - Gómez Bengoa, Enrique - Nagel, Yvonne - Nájera Domingo, Carmen

Formato:	info:eu-repo/semantics/article
Enlaces:	Different L-prolinamides 21, prepared from L-proline and chiral β-amino alcohols are active bifunctional catalysts for the direct nitro-Michael addition of ketones to β-nitrostyrenes. In particular, catalyst 21e, prepared from L-proline and (1S,2R)- cis-1-amino-2-indanol, exhibits the highest catalytic performance working in…
Fecha:	2007-11-02
Recurso:	RUA Docencia

Recurso libre

15.

Revision of Iberian species of the genus Merodon (Diptera: Syrphidae)
Marcos García, María Ángeles - Vujić, Ante - Mengual Sanchis, Ximo

Formato:	info:eu-repo/semantics/article
Enlaces:	This study is a revision of the Iberian Merodon Meigen, 1803 species, including an illustrated key, a discussion of taxonomic characters and a morphological diagnosis for all included species. Descriptions are provided for nine new species: M. antonioi sp. n.,…
Fecha:	2007-11-05
Recurso:	RUA Docencia

Recurso libre

16.

Properties of thermoplastic polyurethane adhesives containing nanosilicas with different specific surface area and silanol contentand silanol content
Vega Baudrit, José - Sibaja Ballestero, María - Vázquez, Patricia - Torregrosa Maciá, Rosa - Martín Martínez, José Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	Thermoplastic polyurethane (TPU) adhesives containing nanosilicas with different specific surface area and silanol group content were prepared and characterized by FTIR spectroscopy, differential scanning calorimetry (DSC), thermogravimetry (TGA), X-ray diffraction, plate-plate rheology, dynamical–mechanical–thermal analysis (DMTA), transmission electron microscopy (TEM), and…
Fecha:	2007-10-31
Recurso:	RUA Docencia

Recurso libre

17.

Engendering epidemiology
García García, Ana María - Bartley, Mel - Álvarez-Dardet Díaz, Carlos

Formato:	Other
Enlaces:	Contributions from the Spanish Research Network for Health and Gender
Fecha:	2008-02-15
Recurso:	RUA Docencia

Recurso libre

18.

Refractive analysis of the human cornea through propagated fields
Illueca Contri, Carlos - Mas Candela, David - Pérez Rodríguez, Jorge - Pons Moreno, Álvaro Máximo - Artigas Verde, José María

Formato:	info:eu-repo/semantics/article
Enlaces:	A new technique for analysing the optical quality of the human cornea is presented. Corneal maps are obtained through keratographies and then converted into phase maps. The propagated fields generated from this surface are plotted and studied. It is shown…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

19.

Fresnel diffraction in a theoretical eye: a fractional Fourier transform approach
Pons Moreno, Álvaro Máximo - Lorente Velázquez, Amalia - Illueca Contri, Carlos - Mas Candela, David - Artigas Verde, José María

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work, we have applied the fractional Fourier transform to obtain the Fresnel diffraction patterns in a theoretical eye. The FRT approach to Fresnel diffraction is easily implemented in a Gullstrand-Emsley theoretical eye, and it allows us to obtain…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

20.

Environmental strategies and their impact on hotel performance
Claver Cortés, Enrique - Molina Azorín, José Francisco - Pereira Moliner, Jorge - López Gamero, María Dolores

Formato:	info:eu-repo/semantics/article
Enlaces:	This study examines the relevance of environmental management as a source of competitive advantage for hotels. The relationship between the environmental proactivity of hotels located in the province of Alicante (Spain) and their economic performance levels was studied, and three…
Fecha:	2009-11-19
Recurso:	RUA Docencia

Recurso libre

21.

Scale corrections for faster evaluation of convergent Fresnel patterns
Mas Candela, David - Espinosa Tomás, Julián - Pérez Rodríguez, Jorge - Illueca Contri, Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Numerical calculation of Fresnel patterns through fast Fourier transforms usually requires an extremely large number of samples in order to fulfil the Nyquist sampling condition. In many applications, the cut-off frequency of the system is much below the limit fixed…
Fecha:	2007-10-02
Recurso:	RUA Docencia

Recurso libre

22.

Near-field light distributions propagated from human corneas: determination of relevant patterns
Mas Candela, David - Pérez Rodríguez, Jorge - Vázquez Ferri, Carmen - Hernández Poveda, Consuelo - Illueca Contri, Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	A procedure to determine the best image range of distances that can be obtained from an aphakic eye is presented. Corneal surfaces are calculated from videokeratographic data. Light distributions at different distances inside the eye are calculated with a near-field…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

23.

Influence of the gaze-stabilizing eye movements on the quality of the retinal image of the human eye
Pons Moreno, Álvaro Máximo - Lorente Velázquez, Amalia - Illueca Contri, Carlos - Artigas Verde, José María - Felipe Marcet, Adelina

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work we have studied the influence of the gaze stabilizing movements of the eye on the quality of the retinal image of the human eye obtained by double pass methods. The results obtained agree with the expected differences…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

24.

Corporate governance and organisational culture: the role of ethics officers
Llopis Taverner, Juan - González Ramírez, María Reyes - Gascó Gascó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	We argue that ethical leadership must be in line with corporate governance in general and of the Chief Executive Officer (CEO) who must be the starting point for the rest of the organisational members to have an ethical guideline to…
Fecha:	2009-01-26
Recurso:	RUA Docencia

Recurso libre

25.

Complete algorithm for the calculation light patterns inside the ocular media
Pérez Rodríguez, Jorge - Mas Candela, David - Illueca Contri, Carlos - Miret Marí, Juan José - Vázquez Ferri, Carmen - Hernández Poveda, Consuelo

Formato:	info:eu-repo/semantics/article
Enlaces:	Realistic mathematical models are of great importance for studying the optical performance of the human eye. Light propagation algorithms provide robust methods to calculate field distributions inside a homogeneous medium, and thus they can be applied to the study of…
Fecha:	2007-10-08
Recurso:	RUA Docencia

Recurso libre

26.

Calculation of the color matching functions of digital cameras from their complete spectral sensitivities
Martínez Verdú, Francisco Miguel - Pujol Ramo, Jaume - Capilla Perea, Pascual

Formato:	info:eu-repo/semantics/article
Enlaces:	We propose a new algorithm to obtain the color matching functions of any digital camera, with correct weights and white balance, from the relative scaling of their complete (3-D) spectral sensitivities obtained from real spectroradiometric data. Thanks to this algorithm,…
Fecha:	2007-09-11
Recurso:	RUA Docencia

Recurso libre

27.

Mathematics in physics education: scanning historical evolution of the differential to find a more appropriate model for teaching differential calculus in physics
Martínez Torregrosa, Joaquín - López Gay, Rafael - Gras Martí, Albert

Formato:	info:eu-repo/semantics/article
Enlaces:	Despite its frequent use, there is little understanding of the concept of differential among upper high school and undergraduate students of physics. As a first step to identify the origin of this situation and to revert it, we have done…
Fecha:	2007-11-05
Recurso:	RUA Docencia

Recurso libre

28.

Democratisation and health after the fall of the Wall
Álvarez-Dardet Díaz, Carlos - Franco Giraldo, Álvaro

Formato:	info:eu-repo/semantics/article
Enlaces:	Objectives: The fall of the Wall in 1989 can be seen as a natural experiment in the epidemiological sense to further examine the relation between democracy and health. Design and setting: Ecological study in the 23 post-communist countries, during the…
Fecha:	2007-11-21
Recurso:	RUA Docencia

Recurso libre

29.

Methodological issues in the study of violence against women
Ruiz Pérez, Isabel - Plazaola Castaño, Juncal - Vives Cases, Carmen

Formato:	info:eu-repo/semantics/article
Enlaces:	The objective of this paper is to review the methodological issues that arise when studying violence against women as a public health problem, focusing on intimate partner violence (IPV), since this is the form of violence that has the greatest…
Fecha:	2008-02-15
Recurso:	RUA Docencia

Recurso libre

30.

Color visualization system for near-infrared multispectral images
Vilaseca Ricart, Meritxell - Pujol Ramo, Jaume - Arjona Carbonell, Montserrat - Martínez Verdú, Francisco Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	The aim of this study is to develop a color visualization system for multispectral images in the near-infrared region (NIR, 800–1000 nm). Samples with the same color or appearance in the visible region, which are therefore indistinguishable to the human
Fecha:	2007-09-11
Recurso:	RUA Docencia

Recurso libre

31.

Characterization of a digital camera as an absolute tristimulus colorimeter
Martínez Verdú, Francisco Miguel - Pujol Ramo, Jaume - Capilla Perea, Pascual

Formato:	info:eu-repo/semantics/article
Enlaces:	An algorithm is proposed for the spectral and colorimetric characterization of digital still cameras (DSC) which allows them to be used as tele-colorimeters with CIE–XYZ color output, in cd/m2. The spectral characterization consists in the calculation of the color-matching functions…
Fecha:	2007-09-11
Recurso:	RUA Docencia

Recurso libre

32.

Synthesis and characterization of electroactive films deposited from aniline dimers
Cotarelo Méndez, María de los Ángeles - Huerta Arráez, Francisco - Quijada Tomás, César - Mallavia Marín, Ricardo - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The electrochemical oxidation of the aniline dimers 2-aminodiphenylamine (2-adpa) and 4-aminodiphenylamine (4-adpa) has been performed in strongly acidic medium on platinum, graphite, and indium tin oxide electrodes. The resulting films have been characterized by a number of electrochemical, microscopic, and…
Fecha:	2007-11-21
Recurso:	RUA Docencia

Recurso libre

33.

Spectroscopic and electrochemical study of the redox process of poly(2,2'-dithiodianiline)
Cotarelo Méndez, María de los Ángeles - Huerta Arráez, Francisco - Quijada Tomás, César - Pérez Martínez, José María - Valle de la Cortina, María Angélica del - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The redox process undergone by the electrochemically synthesized poly(2,2-dithiodianiline), poly(DTDA), has been examined in acetonitrile-water mixtures by electrochemical and spectroscopic techniques. The spectroscopic properties of this material are equivalent to those exhibited by the chemically synthesized one. The polymeric structure…
Fecha:	2007-10-26
Recurso:	RUA Docencia

Recurso libre

34.

Evaluation of the electrocatalytic activity of antimony-doped tin dioxide anodes toward the oxidation of phenol in aqueous solutions
Montilla Jiménez, Francisco - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Antimony-doped tin dioxide electrodes supported on titanium have been used in the electrochemical treatment of aqueous solution containing phenol. Ti/SnO2–Sb anode has high efficiency in the elimination of phenol, but its use is hindered by its short service life. The…
Fecha:	2007-11-21
Recurso:	RUA Docencia

Recurso libre

35.

The importance of study design strategies in gender bias research: the case of respiratory disease management in primary care
Ruiz Cantero, María Teresa - Ronda Pérez, Elena - Álvarez-Dardet Díaz, Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Background: Most research on gender bias has been carried out in hospitals and focuses mainly on severe diseases. Consequently, little is known about gender bias in relation to other illnesses and healthcare settings. Aim: To explore the existence of gender…
Fecha:	2008-02-15
Recurso:	RUA Docencia

Recurso libre

36.

A framework to analyse gender bias in epidemiological research
Ruiz Cantero, María Teresa - Vives Cases, Carmen - Artazcoz, Lucía - Delgado, Ana - García Calvente, María del Mar - Miqueo, Consuelo - Montero Piñar, María Isabel - Ortiz Moncada, Rocío - Ronda Pérez, Elena - Ruiz Pérez, Isabel - Valls, Carme

Formato:	info:eu-repo/semantics/article
Enlaces:	The design and analysis of research may cause systematic gender dependent errors to be produced in results because of gender insensitivity or androcentrism. Gender bias in research could be defined as a systematically erroneous gender dependent approach related to social…
Fecha:	2008-02-15
Recurso:	RUA Docencia

Recurso libre

37.

PII T-loop mutations affecting signal transduction to NtrB also abolish yeast two-hybrid interactions
Martínez Argudo, Isabel - Contreras de Vera, Asunción

Formato:	info:eu-repo/semantics/article
Enlaces:	Mutations A49P and [Delta]47-53 at the T loop of the Escherichia coli GlnB (PII) protein impair regulatory interactions with the two-component sensor regulator NtrB (P. Jiang, P. Zucker, M. R. Atkinson, E. S. Kamberov, W. Tirasophon, P. Chandran, B. R.…
Fecha:	2007-09-14
Recurso:	RUA Docencia

Recurso libre

38.

Information systems outsourcing reasons in the largest Spanish firms
González Ramírez, María Reyes - Gascó Gascó, José Luis - Llopis Taverner, Juan

Formato:	info:eu-repo/semantics/article
Enlaces:	The aim of this paper is to explore the reasons that lead to information systems outsourcing in the largest Spanish firms. Our paper takes as its starting point the previous literature on information systems and tries to analyse if those…
Fecha:	2007-09-11
Recurso:	RUA Docencia

Recurso libre

39.

A study of information systems outsourcing influential factors
Claver Cortés, Enrique - González Ramírez, María Reyes - Gascó Gascó, José Luis - Llopis Taverner, Juan

Formato:	info:eu-repo/semantics/article
Enlaces:	Information systems outsourcing is a constantly growing practice in all sorts of organisations. This paper analyses the level of information systems outsourcing at Spanish public universities. It also means to determine if factors such as the size, both of universities…
Fecha:	2007-09-11
Recurso:	RUA Docencia

Recurso libre

40.

Organizational culture for innovation and new technological behavior
Claver Cortés, Enrique - Llopis Taverner, Juan - García Bravo, Daniel - Molina Manchón, Hipólito

Formato:	info:eu-repo/semantics/article
Enlaces:	Technological innovation requires a technical preparation in material, financial and human resources. However, without a clear corporate culture, the technical side of technological innovation will hardly develop in a satisfactory manner. In this light, we analyze the origin of a…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

41.

Public administration: from bureaucratic culture to citizen-oriented culture
Claver Cortés, Enrique - Llopis Taverner, Juan - Gascó Gascó, José Luis - Molina Manchón, Hipólito - Conca Flor, Francisco José

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper analyzes how public administration may improve the service it offers to citizens through a suitable organizational culture; for this purpose, it starts by studying the specific features of the culture of public administration. In this respect, it analyzes…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

42.

Analysis of a cultural change in a Spanish telecommunications firm
Claver Cortés, Enrique - Gascó Gascó, José Luis - Llopis Taverner, Juan - López Ruiz, Enrique

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper analyzes the efforts made by the Telefonica Group (the main Spanish firm in the telecommunications sector) to evolve from a bureaucratic culture to another oriented towards total quality and the customer. The need for this change came as…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

43.

The importance of internal aspects in quality improvement
Llopis Taverner, Juan - Tarí Guilló, Juan José

Formato:	info:eu-repo/semantics/article
Enlaces:	The adoption of ISO 9000 has been justified in terms of the many benefits it generate, although problems may also arise. Such advantages and disadvantages lead to different reasons for seeking certification. Based on these reasons, this paper analyzed the…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

44.

Development of a measure to assess quality management in certified firms
Conca Flor, Francisco José - Llopis Taverner, Juan - Tarí Guilló, Juan José

Formato:	info:eu-repo/semantics/article
Enlaces:	The theory of quality management has been studied from different areas: quality leaders' ideas, empirical research and formal evaluation models. This has helped identify a set of critical factors for a successful implementation, as a way to improve customer satisfaction…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

45.

Nonstationary multisplittings with general weighting matrices
Migallón Gomis, Violeta - Penadés Martínez, José - Szyld, Daniel B.

Formato:	info:eu-repo/semantics/article
Enlaces:	In the convergence theory of multisplittings for symmetric positive definite (s.p.d.) matrices it is usually assumed that the weighting matrices are scalar matrices, i.e., multiples of the identity. In this paper, this restrictive condition is eliminated. In its place it…
Fecha:	2007-10-04
Recurso:	RUA Docencia

Recurso libre

46.

Column displacement experiments to validate hydrogeochemical models of seawater intrusions
Gomis Yagües, Vicente - Boluda Botella, Nuria - Ruiz Beviá, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	Two sets of experimental data have been obtained flushing seawater through columns packed with sediment which had been previously in equilibrium with freshwater. The sets of data contain the ion concentrations of the outflow and the physical and chemical parameters…
Fecha:	2007-10-11
Recurso:	RUA Docencia

Recurso libre

47.

Study of the chemical copolymerization of 2-aminoterephthalic acid and aniline. Synthesis and copolymer properties
Arias Pardilla, Joaquín - Salavagione, Horacio Javier - Barbero, César Alfredo - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Aniline (ANI) and 2-aminoterephthalic acid (2ATA) copolymers, with diﬀerent compositions, were prepared by chemical oxidative polymerization varying the feed ratio. The new materials have been characterized by techniques such as XPS, FTIR, Raman spectroscopies and thermal analysis. It has been…
Fecha:	2007-10-26
Recurso:	RUA Docencia

Recurso libre

48.

Analytical approximations for the period of a nonlinear pendulum
Beléndez Vázquez, Augusto - Hernández Prados, Antonio - Márquez Ruiz, Andrés - Beléndez Vázquez, Tarsicio - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper deals with the non-linear oscillation of a simple pendulum and presents an approach for solving the non-linear differential equation that governs its movement by using the harmonic balance method. With this technique it is possible to easily obtain…
Fecha:	2007-10-27
Recurso:	RUA Docencia

Recurso libre

49.

Electrochemical regeneration of activated carbon saturated with toluene
García Otón, Miguel - Montilla Jiménez, Francisco - Lillo Ródenas, María Ángeles - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The electrochemical regeneration of an activated carbon, previously saturated with toluene by gas phase adsorption, was studied. Cathodic and anodic regeneration methods were analyzed using a small batch electrochemical cell. In both cases, a stripping efﬁciency close to 100% was…
Fecha:	2007-10-29
Recurso:	RUA Docencia

Recurso libre

50.

Adsorbed cyanide reactions at the Pt(100) surface
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	In contrast to what is observed in alkaline media, cyanide adlayers formed on Pt(100) are very reactive in 0.1 M HClO4 solutions. In this medium, dissimilar behaviour has been observed for the potential regions above and below 0.4 V (RHE).…
Fecha:	2007-11-02
Recurso:	RUA Docencia