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Aproximadamente 528 registro(s) hasta el momento: (journal)

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Recurso libre

Monitoring of brine discharges from seawater desalination plants in the Mediterranean
Fernández Torquemada, Yolanda - Sánchez Lizaso, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Desalination of seawater has become an important and growing industry due to the water shortage in some Mediterranean countries. This activity may result in environmental impacts, mainly generated by the discharge into the sea of the concentrate (brine) produced. Data…
Fecha:	2009-01-08
Recurso:	RUA Docencia

Recurso libre

Revisión estructurada de las escalas de depresión en personas mayores
Cabañero Martínez, María José - Cabrero García, Julio - Richart Martínez, Miguel - Muñoz Mendoza, Carmen Luz - Reig Ferrer, Abilio

Formato:	info:eu-repo/semantics/article
Enlaces:	El objetivo de este estudio teórico fue evaluar la adecuación conceptual, la aplicabilidad y las propiedades métricas de las medidas de depresión empleadas en la investigación con muestras de personas mayores españolas. Para ello se realizaron búsquedas electrónicas en las…
Fecha:	2009-01-16
Recurso:	RUA Docencia

Recurso libre

High-efficiency silver-halide sensitized gelatin holograms with low absorption and scatter
Beléndez Vázquez, Augusto - Neipp López, Cristian - Flores, Marcos - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	We report for the first time the results of a comparative performance study of silver-halide sensitized gelatin (SHSG) holograms recorded in the familiar Agfa 8E75 HD plates and the new BB-640 plates manufactured by Holographic Recording Technologies. High diffraction efficiency…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

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

Copying low spatial frequency holograms in silver halide emulsions: the influence of the bleach bath
Márquez Ruiz, Andrés - Pascual Villalobos, Inmaculada - Fimia Gil, Antonio - Beléndez Vázquez, Augusto - Campos Coloma, Juan - Yzuel Giménez, María Josefa

Formato:	info:eu-repo/semantics/article
Enlaces:	We present an available and low cost technique for the production of binary-phase diffractive optical elements designed by digital methods. We produce binary-amplitude holograms making use of a high-resolution graphic device. They are used as binary masks which are copied…
Fecha:	2009-05-20
Recurso:	RUA Docencia

Recurso libre

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

Method for the characterization of hologram processing
Bányász, Istvan - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada - Fimia Gil, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	A novel method for the characterization of the processing of both absorption and phase holograms is proposed. Differently from the previous models, the square root of the diffraction efficiency of the processed hologram was directly related to the amplitude of…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

Comparison of nonlinear characteristics of phase holograms processed by various combinations of developers and bleaching agents
Bányász, Istvan - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada - Fimia Gil, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Optical densities before bleaching and final Lin curves of planewave phase holograms recorded in Agfa—Gevaert 8E75HD emulsions were measured for various combinations of developers (AAC, Pyrogallol and Catechol) and bleaching agents (R-9 and EDTA). To characterize the processing, the square…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

High-energy sensitivity enhancement in panchromatic photopolymers for holography using a mixture of visiblelight photoinitiators
Fimia Gil, Antonio - Mateos Álvarez, Felipe - Mallavia Marín, Ricardo - Blaya Escarre, Salvador - Beléndez Vázquez, Augusto - Sastre Muñoz, Roberto - Amat Guerri, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	A new aqueous photopolymer containing the monomers acrylamide, N,N'-methylenbisacrylamide and zinc acrylate, the initiators 4,5-diiodosuccinylfluorescein (2ISF) and methylene blue (MB), and the coinitiator sodium p-toluenesulphinate is described. This formulation exhibits a clear enhancement of the high-energy sensitivity upon irradiation with…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

10.

Characterization of calcineurin in human neutrophils: inhibitory effect of hydrogen peroxide on its enzyme activity and on NF-κB DNA binding
Carballo Álvarez, Modesto - Márquez, Gracia - Conde, Manuel - Martín Nieto, José - Monteseirín Mateo, Javier - Conde Hernández, José - Pintado Sanjuan, Elizabeth - Sobrino Beneyto, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	We describe here a specific calcineurin activity in neutrophil lysates, which is dependent on Ca2+, inhibited by trifluoroperazine, and insensitive to okadaic acid. Immunoblotting experiments using a specific antiserum recognized both the A and B chains of calcineurin. Neutrophils treated…
Fecha:	2009-02-23
Recurso:	RUA Docencia

Recurso libre

11.

A new species of Fianoniella (Hymenoptera: Ichneumonidae) from the Columbretes Islands (Spain), with additional notes on F. laeviscutum
Bordera Sanjuán, Santiago

Formato:	info:eu-repo/semantics/article
Enlaces:	Fianoniella stenognatha sp. n. from the Columbretes Islands (Castellón, Spain) is described and illustrated. The new species is distinguished by its longer and narrower mandibles with parallel or divergent rims in the apical half, wider clypeus, hind ocelli more separated…
Fecha:	2009-02-13
Recurso:	RUA Docencia

Recurso libre

12.

Visualization of the UF polarized layer by holographic interferometry
Fernández Torres, María José - Ruiz Beviá, Francisco - Fernández Sempere, Julio - López Leiva, Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	The technique of holographic inte rferometly used to visualize the ultrafiltration membrane surroundings makes it possible to visualize solute retention and verifi whether or not there is cake formation on the membrane surface during the ultrafiltration of bovine serum albumin…
Fecha:	2007-11-03
Recurso:	RUA Docencia

Recurso libre

13.

Life history and description of the immature stages of Eumerus purpurariae (Diptera: Syrphidae) developing in Opuntia maxima
Pérez Bañón, Celeste - Marcos García, María Ángeles

Formato:	info:eu-repo/semantics/article
Enlaces:	Eumerus purpurariae, described from the Canary Islands (Atlantic), has been reared from the stems (platyclades) of the cactus Opuntia maxima (the first know host) on Nueva Tabarca, a Mediterranean island close to the Iberian coast. The egg, larva and puparium…
Fecha:	2009-11-04
Recurso:	RUA Docencia

Recurso libre

14.

Efﬁciency of T4 Gene 60 Translational Bypassing
Maldonado Caro, Rafael Diego - Herr, Alan J.

Formato:	info:eu-repo/semantics/article
Enlaces:	Ribosomes translating bacteriophage T4 gene 60 mRNA bypass 50 noncoding nucleotides from a takeoff site at codon 46 to a landing site just upstream of codon 47. A key signal for efficient bypassing is contained within the nascent peptide synthesized…
Fecha:	2007-11-30
Recurso:	RUA Docencia

Recurso libre

15.

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

16.

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

17.

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

18.

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

19.

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

20.

Evaluation of a microwave desolvation system in inductively coupled plasma mass spectrometry with low acid concentration solutions
Mora Pastor, Juan - Hernandis Martínez, Vicente - Veen, Eric H. van - Loos-Vollebregt, Margaretha T.C. de

Formato:	info:eu-repo/semantics/article
Enlaces:	The behaviour of a desolvation system based on microwave heating (termed a microwave desolvation system, MWDS) with low acid concentration solutions was evaluated in inductively coupled plasma mass spectrometry. Studies included water, sulfuric acid, perchloric acid, nitric acid and hydrochloric…
Fecha:	2010-03-16
Recurso:	RUA Docencia

Recurso libre

21.

Effect of Sn addition to Pt/CeO2–Al2O3 and Pt/Al2O3 catalysts: An XPS, 119Sn Mössbauer and microcalorimetry study
Serrano Ruiz, Juan Carlos - Huber, George Willis - Sánchez Castillo, Marco Antonio - Dumesic, James A. - Rodríguez Reinoso, Francisco - Sepúlveda Escribano, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The effect of adding Sn to Pt/CeO2–Al2O3 and Pt/Al2O3 catalysts was studied with X-ray photoelectron spectroscopy (XPS), 119Sn Mössbauer spectroscopy, and adsorption microcalorimetry of CO at room temperature. Catalysts were reduced in situ at 473 (non-SMSI state) and 773 K
Fecha:	2007-10-31
Recurso:	RUA Docencia

Recurso libre

22.

Temporal response and first order volume changes during grating formation in photopolymers
Kelly, John V. - Gleeson, Michael R. - Close, Ciara E. - O'Neill, Feidhlim T. - Sheridan, John T. - Gallego Rico, Sergi - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	We examine the evolution of the refractive index modulation when recording gratings in an acrylamide based photopolymer. A nonlocal diffusion model is used to predict theoretically the grating evolution. The model has been developed to account for both nonlocal spatial…
Fecha:	2009-02-13
Recurso:	RUA Docencia

Recurso libre

23.

Testing molecular barcodes: invariant mitochondrial DNA sequences vs the larval and adult morphology of West Palaearctic Pandasyopthalmus species (Diptera: Syrphidae: Paragini)
Rojo Velasco, Santos - Ståhls, Gunilla - Pérez Bañón, Celeste - Marcos García, María Ángeles

Formato:	info:eu-repo/semantics/article
Enlaces:	The intra- and interspecific variability in the West Palaearctic tibialis-group species of the subgenus Pandasyopthalmus (Diptera: Syrphidae: Paragus) was analysed. Novel immature and molecular characters were studied and the traditionally used adult characters reviewed with the aim of establishing the…
Fecha:	2007-11-05
Recurso:	RUA Docencia

Recurso libre

24.

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

25.

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

26.

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

27.

Cultura de los cuidados. Un recorrido de diez años, Culture of care. Ten years of life
Ferrer Hernández, María Elena

Formato:	info:eu-repo/semantics/article
Enlaces:	Conocer la historia de la revista Cultura de los cuidados es conocer una parte de la Historia de la Enfermería. Tras 10 años de andadura, es una realidad consolidada gracias, en sus orígenes, a la constancia, empeño, ilusión y esperanza,…
Fecha:	2007-06-28
Recurso:	RUA Docencia

Recurso libre

28.

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

29.

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

30.

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

31.

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

32.

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

33.

El deporte y los valores humanos, Sports and human values
Andreu Cabrera, Eliseo

Formato:	info:eu-repo/semantics/article
Enlaces:	"El muchacho que se haya habituado a rechazar de forma instintiva toda trampa en un campeonato juvenil ha adquirido un modo de ser de fecunda dimensión social. Con muchos hombres así se puede llegar lejos" Cagigal (1966:371).
Fecha:	2007-07-03
Recurso:	RUA Docencia

Recurso libre

34.

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

35.

Effect of the glass substrate on the efficiency of the different orders that propagate in a transmission sinusoidal diffraction grating
Neipp López, Cristian - Sheridan, John T. - Márquez Ruiz, Andrés - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work we study the effect of the glass substrate on the efficiencies of the different orders that propagate inside a transmission sinusoidal diffraction grating. Holographic optical elements are usually recorded on a photosensitive medium deposited on to a…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

36.

Approximate analytical solutions for the relativistic oscillator using a linearized harmonic balance method
Beléndez Vázquez, Augusto - Méndez Alcaraz, David Israel - Álvarez López, Mariela Lázara - Pascual Villalobos, Carolina - Beléndez Vázquez, Tarsicio

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 relativistic oscillator. By combining Newton's method with the method of harmonic balance, analytical…
Fecha:	2009-03-11
Recurso:	RUA Docencia

Recurso libre

37.

Sensitivity analysis in linear semi-infinite programming: perturbing cost and right-hand-side coefficients
Goberna Torrent, Miguel Ángel - Gómez, Soraya - Guerra, Francisco - Todorov, Maxim I.

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper analyzes the effect on the optimal value of a given linear semi-infinite programming problem of the kind of perturbations which more frequently arise in practical applications: those which affect the objective function and the right-hand-side coefficients of the…
Fecha:	2009-02-09
Recurso:	RUA Docencia

Recurso libre

38.

Does quality impact on hotel performance?
Claver Cortés, Enrique - Tarí Guilló, Juan José - Pereira Moliner, Jorge

Formato:	info:eu-repo/semantics/article
Enlaces:	Purpose – The aim of the paper is to study the reasons for the adoption and certification of quality systems and the subsequent impacts on performance. Design/methodology/approach – The methodology selected is a study based on the perceptions of two…
Fecha:	2009-11-10
Recurso:	RUA Docencia

Recurso libre

39.

The myopia of governments contributes to maternal mortality: dying from socioeconomic and physical distances
Ruiz Cantero, María Teresa - Carrasco Portiño, Mercedes - Espinoza Fiallos, Eduardo - Durán Sánchez, Cristina - Sierra, Cristina de

Formato:	Other
Enlaces:	Oficina de Cooperación y Relaciones Internacionales de la Universidad de Alicante.
Fecha:	2008-10-21
Recurso:	RUA Docencia

Recurso libre

40.

Thermogravimetric analysis during the decomposition of cotton fabrics in an inert and air environment
Moltó Berenguer, Julia - Font Montesinos, Rafael - Conesa Ferrer, Juan Antonio - Martín Gullón, Ignacio

Formato:	info:eu-repo/semantics/article
Enlaces:	The thermal degradation of samples of used cotton fabrics has been investigated using thermogravimetric analysis (TGA) between room temperature and 700 °C. Experiments were carried out with about 5 mg of sample in three different atmospheres: helium, 20% oxygen in…
Fecha:	2007-10-23
Recurso:	RUA Docencia

Recurso libre

41.

Kinetic model of the decomposition of a PET fibre cloth in an inert and air environment
Moltó Berenguer, Julia - Font Montesinos, Rafael - Conesa Ferrer, Juan Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The kinetics of the global thermal decomposition of a PET fibre cloth have been studied in three different atmospheres with nitrogen, 20 and 10% oxygen, using thermogravimetric analysis (TGA) between room temperature and 1050 K. Three different heating rates were…
Fecha:	2009-10-23
Recurso:	RUA Docencia

Recurso libre

42.

Solution of the relativistic (an)harmonic oscillator using the harmonic balance method
Beléndez Vázquez, Augusto - Pascual Villalobos, Carolina - Méndez Alcaraz, David Israel - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	The harmonic balance method is used to construct approximate frequency–amplitude relations and periodic solutions to the relativistic oscillator. By combining linearization of the governing equation with the harmonic balance method, we construct analytical approximations to the oscillation frequencies and periodic…
Fecha:	2009-01-29
Recurso:	RUA Docencia

Recurso libre

43.

Post-buckling of a cantilever column: a more accurate linear analysis of a classical nonlinear problem
Beléndez Vázquez, Augusto - Hernández Prados, Antonio - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Neipp López, Cristian - Beléndez Vázquez, Tarsicio

Formato:	info:eu-repo/semantics/article
Enlaces:	A more accurate analytical approximate expression for the slope at any point of the elastic curve of a slender cantilever column is obtained by using a heuristic but pedagogical derivation. This derivation is based on the linearization of the nonlinear…
Fecha:	2009-03-10
Recurso:	RUA Docencia

Recurso libre

44.

Comparing shoot population dynamics methods on Posidonia oceanica meadows
González Correa, José Miguel - Fernández Torquemada, Yolanda - Sánchez Lizaso, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Prediction capacity of three main shoot population dynamics methods (age structure, net shoot recruitment per plagiotropic rhizome and shoot census) have been tested for a period of four years (2002–2006) on a Posidonia oceanica meadow. Accuracy of each method was…
Fecha:	2009-07-22
Recurso:	RUA Docencia

Recurso libre

45.

Colorimetric and spectral evaluation of the optical anisotropy of metallic and pearlescent samples
Chorro Calderón, Elísabet - Perales Romero, Esther - Martínez Verdú, Francisco Miguel - Campos Acosta, Joaquín - Pons Aglio, Alicia

Formato:	info:eu-repo/semantics/article
Enlaces:	The visual and optical anisotropies of metallic and pearlescent samples have been evaluated using a multi-gonio-spectrophotometer and by adapting a gonio-template over the instrument aperture for measuring the relative spectral reflectance factor when the sample is rotated around an axis…
Fecha:	2010-02-04
Recurso:	RUA Docencia

Recurso libre

46.

Environmental management and firm performance: a case study
Claver Cortés, Enrique - López Gamero, María Dolores - Molina Azorín, José Francisco - Tarí Guilló, Juan José

Formato:	info:eu-repo/semantics/article
Enlaces:	This study has as its aim to help to clarify the relationship between environmental management and economic performance by integrating it into a wider framework that includes the relationship between environmental strategy and firm performance, the latter being understood as…
Fecha:	2009-11-10
Recurso:	RUA Docencia

Recurso libre

47.

The relationship between quality management practices and their effects on quality outcomes
Tarí Guilló, Juan José - Molina Azorín, José Francisco - Castejón Costa, Juan Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Recent research into quality management has examined the relationship between quality management and performance. The purpose of this study is to identify the relationships between quality management practices, and to examine the direct and indirect effects of these practices on…
Fecha:	2009-11-11
Recurso:	RUA Docencia

Recurso libre

48.

Los deportes del mar : taxonomía de las actividades físicas en el mar y su relación con la enseñanza obligatoria, Sea sports : taxonomy of the physical activities in the sea and its relation with obligatory education
Pérez Turpin, José Antonio - Suárez Llorca, Concepción - Chinchilla Mira, Juan José

Formato:	info:eu-repo/semantics/article
Enlaces:	El mar es el entorno más grande y menos conocido del planeta, muchas investigaciones han intentado acercar el contexto de las actividades físicas en el mar con la educación, pero pocas veces esta conexión ha tenido éxito. Las actividades físicas…
Fecha:	2007-07-03
Recurso:	RUA Docencia

Recurso libre

49.

Activation and blockade by choline of bovine α7 and α3β4 nicotinic receptors expressed in oocytes
González-Rubio, Juana María - Rojo Ruiz, Jonathan - Tapia López, Laura - Maneu Flores, Victoria - Mulet Soler, José - Valor Becerra, Luis Miguel - Criado Herrero, Manuel - Sala Merchan, Francisco - García García, Antonio - Gandía Juan, Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Choline, the precursor and the metabolite of acetylcholine, is reputed as a selective α7 nicotinic receptor agonist. In this study, however, we have seen that choline exerted a dual effect on bovine nicotinic receptors expressed in Xenopus oocytes. On the…
Fecha:	2007-10-02
Recurso:	RUA Docencia

Recurso libre

50.

Childhood experiences of violence in perpetrators as a risk factor of intimate partner violence: a systematic review
Gil González, Diana - Vives Cases, Carmen - Ruiz Cantero, María Teresa - Carrasco Portiño, Mercedes - Álvarez-Dardet Díaz, Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Background: Perpetrators’ experiences of violence during childhood are considered a risk factor for intimate partner violence (IPV). The objective of this study is to systematically review the characteristics and quality of papers which analyse the association between being battered during…
Fecha:	2009-02-12
Recurso:	RUA Docencia