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Aproximadamente 370 registro(s) hasta el momento: (journal)

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Recurso libre

An improved 'heuristic' approximation for the period of a nonlinear pendulum: linear analysis of a classical nonlinear problem
Beléndez Vázquez, Augusto - Hernández Prados, Antonio - Beléndez Vázquez, Tarsicio - Márquez Ruiz, Andrés - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	A new analytical approximate expression for the period of the simple pendulum is obtained by using a heuristic but pedagogical derivation. This formula depends on two parameters obtained by comparing term-by-term the power-series expansions of the approximate and exact expressions…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

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

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

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

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

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

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

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

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.

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

11.

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

12.

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

13.

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

14.

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

15.

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

16.

DSC study of transitions involved in thermal treatment of foamable mixtures of PE and EVA copolymer with azodicarbonamide
Reyes Labarta, Juan Antonio - Olaya López, María del Mar - Marcilla Gomis, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The transitions and reactions involved in the thermal processing of binary mixtures of polyethylene and poly(ethylene-co-vinyl acetate) copolymers with different concentrations of a foaming agent (azodicarbonamide) were studied using differential scanning calorimetry (DSC). The effect of ZnO as a kicker…
Fecha:	2012-10-15
Recurso:	RUA Docencia

Recurso libre

17.

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

18.

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

19.

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

20.

New directions in European public health research: report of a workshop
Clarke, Aileen - McCarthy, Mark - Álvarez-Dardet Díaz, Carlos - Sogoric, Selma - Groenewegen, Peter - Groot, Wim - Delnoij, Diana

Formato:	info:eu-repo/semantics/article
Enlaces:	Public health draws from a range of academic disciplines, social, medical and statistical, and answers questions relevant to improving the health of populations. We have initiated a Europe-wide study, Strengthening Public Health Research in Europe, to assess the development and…
Fecha:	2008-11-03
Recurso:	RUA Docencia

Recurso libre

21.

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

22.

A tool to analyse gender mainstreaming and care-giving models in support plans for informal care: case studies in Andalusia and the United Kingdom
García Calvente, María del Mar - Castaño López, Esther - Mateo Rodríguez, Inmaculada - Maroto Navarro, Gracia - Ruiz Cantero, María Teresa

Formato:	info:eu-repo/semantics/article
Enlaces:	Objective: To present a tool to analyse the design of support plans for informal care from a gender perspective, using the plans in Andalusia and the United Kingdom as case studies. Methodology: A tool was drawn up to analyse gender…
Fecha:	2008-10-27
Recurso:	RUA Docencia

Recurso libre

23.

State of the art of the virtual reality applied to design and manufacturing processes
Jimeno Morenilla, Antonio - Puerta, Alberto

Formato:	info:eu-repo/semantics/article
Enlaces:	The idea that technology can transfer a person to a different environment without any physical movement and create the illusion of interaction with the artificial environment is not new. Scientists and engineers have been dedicating their efforts to its progressive…
Fecha:	2008-10-15
Recurso:	RUA Docencia

Recurso libre

24.

Calpionellid biostratigraphy of the Upper Tithonian–Upper Valanginian interval in Western Sicily (Italy)
Andreini, Gloria - Caracuel Martín, Jesús Esteban - Parisi, Guido

Formato:	info:eu-repo/semantics/article
Enlaces:	A revision of the calpionellid bio-chronostratigraphy in Western Sicily (Italy) was carried out, in order to update the taxonomy of this group, through the identification of some genera (Borziella, Longicollaria, Chitinoidella, Dobeniella, Sturiella, Borzaiella and Praecalpionellites) and species (Remaniella catalanoi…
Fecha:	2008-09-08
Recurso:	RUA Docencia

Recurso libre

25.

Kinetic study of the decompositions involved in the thermal degradation of commercial azodicarbonamide
Reyes Labarta, Juan Antonio - Marcilla Gomis, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The transitions and reactions involved in the thermal treatment of several commercial azodicarbonamides (ADC) in an inert atmosphere have been studied by dynamic thermogravimetry analysis (TGA), mass spectrometry and Fourier transform infrared (FTIR) spectroscopy. A pseudo-mechanistic model, involving several competitive…
Fecha:	2012-10-15
Recurso:	RUA Docencia

Recurso libre

26.

Business and management in China: a review of empirical research in leading international journals
Quer Ramón, Diego - Claver Cortés, Enrique - Rienda García, Laura

Formato:	info:eu-repo/semantics/article
Enlaces:	China’s growing economic importance has led to a significant increase in the volume of empirical research about business and management in this country during the last few years. This study reviews the 180 empirical papers focusing on the Chinese context…
Fecha:	2012-04-24
Recurso:	RUA Docencia

Recurso libre

27.

Electronic structure and transport properties of atomic NiO spinvalves
Jacob, David - Fernández Rossier, Joaquín - Palacios Burgos, Juan José

Formato:	info:eu-repo/semantics/article
Enlaces:	Ab initio quantum transport calculations show that short NiO chains suspended in Ni nanocontacts present a very strong spin-polarization of the conductance.The generalized gradient approximation we use here predicts a similar polarization of the conductance as the one previously computed…
Fecha:	2012-11-22
Recurso:	RUA Docencia

Recurso libre

28.

Low mitochondrial DNA diversity in the endangered Bonelli’s Eagle (Hieraaetus fasciatus) from SW Europe (Iberia) and NW Africa
Cadahía Lorenzo, Luis - Negro Balmaseda, Juan José - Urios Moliner, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	This study is an initial survey of the genetic diversity and population structure of the endangered Bonelli’s Eagle (Hieraaetus fasciatus) in SW Europe (Iberia) and NW Africa, two locations where the species has undergone a severe decrease in numbers during…
Fecha:	2012-06-01
Recurso:	RUA Docencia

Recurso libre

29.

Target inner-shells contributions to the stopping power and straggling for H and He ions in gold
Heredia Ávalos, Santiago - Abril Sánchez, Isabel - Denton Zanello, Cristian D. - Moreno Marín, Juan Carlos - García Molina, Rafael

Formato:	info:eu-repo/semantics/article
Enlaces:	The electronic energy loss of swift H and He ions in gold is studied, paying special attention to the contribution to the projectile energy loss due to the ionization of the target inner-shells. We calculate the stopping power and the…
Fecha:	2012-11-27
Recurso:	RUA Docencia

Recurso libre

30.

How in-training Secondary Education teachers think: avenues for intervention, Pensamiento y formación del profesorado de Educación Secundaria: vías de intervención
Pérez Sánchez, Antonio Miguel - Gilar Corbi, Raquel - González Gómez, Carlota

Formato:	info:eu-repo/semantics/article
Enlaces:	Introduction. The aim of this research is to analyse the thinking of teachers-in-training for compulsory secondary education, in order to facilitate the work of education and guidance at secondary schools. Method. The participants were 265 students in the CAP program…
Fecha:	2012-05-18
Recurso:	RUA Docencia

Recurso libre

31.

Intimate partner violence against women in Spain
Vives Cases, Carmen

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper provides information about the magnitude and responses to intimate partner violence against women in Spain.
Fecha:	2008-10-24
Recurso:	RUA Docencia

Recurso libre

32.

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

33.

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

34.

Sports anglicisms in Spanish dictionaries and corpora
Balteiro Fernández, Isabel

Formato:	info:eu-repo/semantics/article
Enlaces:	Appendix to the paper entitled “A Reassessment of Traditional Lexicographical Tools in the Light of New Corpora: Sports Anglicisms in Spanish”. International Journal of English Studies, 11, 2. For references, please quote the full paper as published in the above…
Fecha:	2012-01-27
Recurso:	RUA Docencia

Recurso libre

35.

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

36.

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

37.

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

38.

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

39.

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

40.

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

41.

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

42.

European Medicines Agency policies for clinical trials leave women unprotected
Ruiz Cantero, María Teresa - Pardo López, María Ángeles

Formato:	info:eu-repo/semantics/article
Enlaces:	Red de Investigación en Salud y Género.
Fecha:	2008-10-30
Recurso:	RUA Docencia

Recurso libre

43.

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

44.

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

45.

How far away in an hour? Daily movements of juvenile golden eagles (Aquila chrysaetos) tracked with satellite telemetry, ¿Que distancia recorre en una hora? Movimientos diarios de individuos juveniles de Aguila Real (Aquila chrysaetos) seguidos por telemetría satelital, Wie weit in einer Stunde? Tägliche Bewegungen von juvenilen Steinadlern (Aquila Chrysaetos) anhand Satelliten-Telemetrie
Soutullo Bugallo, Álvaro Alberto - Urios Moliner, Vicente - Ferrer, Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	We tracked the daily movements of three juvenile golden eagles (Aquila chrysaetos) using satellite telemetry. Straight distances covered in an hour and throughout a day were calculated. Daily movements of golden eagles are mostly characterized by short-distance excursions, with 64%…
Fecha:	2008-08-01
Recurso:	RUA Docencia

Recurso libre

46.

On the steric and mass-induced contributions to the annual sea level variations in the Mediterranean Sea
García García, David - Chao, Benjamin F. - Río, Jorge del - Vigo Aguiar, Isabel - García-Lafuente, Jesús

Formato:	info:eu-repo/semantics/article
Enlaces:	The sea level variation (SLVtotal) is the sum of two major contributions: steric and mass-induced. The steric SLVsteric is that resulting from the thermal and salinity changes in a given water column. It only involves volume change, hence has no…
Fecha:	2011-12-20
Recurso:	RUA Docencia

Recurso libre

47.

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

48.

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

49.

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

50.

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