Metabuscador

Filtrado por:

Temas

Educación Física y Deportiva (93)
Física Aplicada (42)
Organización de Empresas (26)
Óptica (23)
Medicina Preventiva y Salud Pública (22)
Más...

Idiomas

Español (1)
Más...

Año

2013 (35)
2011 (31)
2010 (26)
2009 (56)
2008 (62)
2004 (18)
Más...

Aproximadamente 394 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

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

Coprology of Panthera tigris altaica and Felis bengalensis euptilurus from the Russian Far East, Coprología de Panthera tigris altaica y Felis Bengalensis euptilurus del Extremo Oriente ruso
González, P. - Carbonell Baldoví, Enrique - Urios Moliner, Vicente - Rozhnov, Vyacheslav V.

Formato:	info:eu-repo/semantics/article
Enlaces:	Fecal samples from the Siberian tiger (Panthera tigris altaica) and the Amur cat (Felis bengalensis euptilurus) from Far Eastern Russia, were examined for parasites. A natural sedimentation methodology was used and a complete examination of all the sediment was performed.…
Fecha:	2008-07-26
Recurso:	RUA Docencia

Recurso libre

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

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

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

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

Electronic stopping cross sections for protons in Al2O3: an experimental and theoretical study
Behar, Moni - Fadanelli, Raúl C. - Nagamine, Luiz C.C.M. - Cantero, E.D. - Lantschner, Gerardo H. - Eckardt, Juan C. - Arista, Néstor R. - García Molina, Rafael - Abril Sánchez, Isabel

Formato:	info:eu-repo/semantics/article
Enlaces:	The electronic stopping cross section (SCS) of Al2O3 for proton beams is studied both experimentally and theoretically. The measurements are made for proton energies from 40 keV up to 1 MeV, which cover the maximum stopping region, using two experimental…
Fecha:	2012-12-03
Recurso:	RUA Docencia

Recurso libre

Chemical modification of styrene –butadiene –styrene (SBS) rubber by reactive grafting with maleic anhydride
Lasalle, Verónica Leticia - Failla, Marcelo Daniel - Vallés, Enrique Marcelo - Cepeda Jiménez, Carmen María - Torregrosa Maciá, Rosa - Martín Martínez, José Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	A procedure to increase the adhesion of block styrene–butadiene–styrene (SBS) rubber consisting of the reactive grafting with maleic anhydride (MA) in the presence of an organic peroxide radical initiator is proposed. The influence of the reactive grafting on the surface…
Fecha:	2007-10-31
Recurso:	RUA Docencia

Recurso libre

Role of motivation in artistic gymnastics by results of a questionnaire based international survey
Munkácsi, István - Kalmár, Zsuzsa - Hamar, Pál - Katona, Zsolt - Dancs, Henriette

Formato:	info:eu-repo/semantics/article
Enlaces:	The hardest part of coaching work is the psychological preparation of athletes and gymnasts, where the aim is to achieve higher performance. Motivation – as the driving force of our actions – has an increased role in preparing the gymnasts,…
Fecha:	2012-03-09
Recurso:	RUA Docencia

Recurso libre

10.

Impact of cumulative area-based adverse socioeconomic environment on body mass index and overweight
Regidor Poyatos, Enrique - Gutiérrez Fisac, Juan Luis - Ronda Pérez, Elena - Calle Purón, María Elisa - Martínez Hernández, David - Domínguez Rojas, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	Objective: Although the relationship between area socioeconomic environment and obesity is known, previous research has measured area socioeconomic environment at only one point in time. This study evaluates the relationship of cumulative area-based adverse socioeconomic environment with body mass index…
Fecha:	2008-10-29
Recurso:	RUA Docencia

Recurso libre

11.

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

12.

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

13.

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

14.

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

15.

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

16.

An MDA approach for goal-oriented requirement analysis in Web engineering
Aguilar Calderón, José Alfonso - Garrigós Fernández, Irene - Mazón López, José Norberto - Trujillo Mondéjar, Juan Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Web designers usually ignore how to model real user expectations and goals, mainly due to the large and heterogeneous audience of the Web. This fact leads to websites which are difficult to comprehend by visitors and complex to maintain by…
Fecha:	2012-03-08
Recurso:	RUA Docencia

Recurso libre

17.

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

18.

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

19.

Electrochemical behaviour of conducting polymers obtained into clay-catalyst layers: an in situ Raman spectroscopy study
Boutaleb, Nadia - Benyoucef, Abdelghani - Salavagione, Horacio Javier - Belbachir, Mohammed - Morallón Núñez, Emilia

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper we present the study of the electrochemical properties of the following conducting polymers: poly(o-anisidine), polyaniline and copolymers of aniline and o-anisidine obtained by a new synthetic method. The polymers are synthesized in free-of-acid conditions, using an activated…
Fecha:	2007-10-26
Recurso:	RUA Docencia

Recurso libre

20.

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

21.

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

22.

Evaluation of the effects produced by the construction and expansion of marinas on Posidonia oceanica (L.) Delile meadows
Fernández Torquemada, Yolanda - González Correa, José Miguel - Martínez Pérez, José Emilio - Sánchez Lizaso, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	New legislation in the Valencian Community (Decree 36/2002, 5th of March) has allowed the expansion of the existent marinas in this region of the SE of Spain, affecting in a significant way the Alicante province that possesses over thirty nautical…
Fecha:	2007-11-29
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.

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

25.

Potential modulated reflectance study of the electrooxidation of simple amino acids on Pt(111) in acidic media
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Quijada Tomás, César - Vázquez Picó, José Luis - Berlouis, L.E.A.

Formato:	info:eu-repo/semantics/article
Enlaces:	The electroreflectance (ER) technique has been applied to the study of the electrooxidation of some simple amino acids (glycine, serine and alanine) on a Pt(111) surface in acid medium. A different behaviour in the (1:R)(#R:#E) response as a function of
Fecha:	2007-11-02
Recurso:	RUA Docencia

Recurso libre

26.

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

27.

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

28.

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

29.

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

30.

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

31.

Analytical approximate solutions for the cubic-quintic Duffing oscillator in terms of elementary functions
Beléndez Vázquez, Augusto - Álvarez López, Mariela Lázara - Francés Monllor, Jorge - Bleda Pérez, Sergio - Beléndez Vázquez, Tarsicio - Nájera López, Alberto - Arribas Garde, Enrique

Formato:	info:eu-repo/semantics/article
Enlaces:	Accurate approximate closed-form solutions for the cubic-quintic Duffing oscillator are obtained in terms of elementary functions. To do this, we use the previous results obtained using a cubication method in which the restoring force is expanded in Chebyshev polynomials and…
Fecha:	2012-10-15
Recurso:	RUA Docencia

Recurso libre

32.

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

33.

Benjamin, BitTorrent, Bootlegs: auratic piracy cultures?
Rodríguez Ferrándiz, Raúl

Formato:	info:eu-repo/semantics/article
Enlaces:	Seventy-five years ago, Walter Benjamin showed us that the line between "production" and "reproduction" had begun to blur. Reproduction was no longer optional, consequential and degrading (the shredding of the original’s aura), but was instead being transformed into a principle…
Fecha:	2012-04-23
Recurso:	RUA Docencia

Recurso libre

34.

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

35.

Differences in exposure to occupational health risks in Spanish and foreign-born workers in Spain (Itsal Project)
Ronda Pérez, Elena - Agudelo Suárez, Andrés A. - García García, Ana María - López Jacob, María José - Ruiz Frutos, Carlos - García Benavides, Fernando

Formato:	info:eu-repo/semantics/article
Enlaces:	Migrant workers usually show higher rates of work-related health problems than natives. However, little information is available about their exposure to occupational risks. We describe self-reported working exposure in Spanish and foreign-born workers. A cross-sectional survey was conducted as part…
Fecha:	2012-12-11
Recurso:	RUA Docencia

Recurso libre

36.

Cooperative tasks between humans and robots in industrial environments
Corrales Ramón, Juan Antonio - García Gómez, Gabriel Jesús - Torres Medina, Fernando - Perdereau, Véronique

Formato:	info:eu-repo/semantics/article
Enlaces:	Collaborative tasks between human operators and robotic manipulators can improve the performance and flexibility of industrial environments. Nevertheless, the safety of humans should always be guaranteed and the behaviour of the robots should be modified when a risk of collision…
Fecha:	2012-10-03
Recurso:	RUA Docencia

Recurso libre

37.

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

38.

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

39.

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

40.

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

41.

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

42.

Intelligent disassembly in the demanufacturing process
Torres Medina, Fernando - Puente Méndez, Santiago Timoteo

Formato:	info:eu-repo/semantics/article
Enlaces:	The industrial revolution did not take the environment into consideration when designing products. However, today the eco-friendly design of products is a task that gets more visibility due to the great quantity of industrial waste generated to finalize the useful…
Fecha:	2008-08-01
Recurso:	RUA Docencia

Recurso libre

43.

From linear to convex systems: consistency, Farkas' Lemma and applications
Dinh, Nguyen - Goberna Torrent, Miguel Ángel - López Cerdá, Marco Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper analyzes inequality systems with an arbitrary number of proper lower semicontinuous convex constraint functions and a closed convex constraint subset of a locally convex topological vector space. More in detail, starting from well-known results on linear systems (with…
Fecha:	2008-12-09
Recurso:	RUA Docencia

Recurso libre

44.

Redox flow cells for energy conversion
Ponce de León Albarrán, Carlos - Frías Ferrer, Ángel - González García, José - Szánto, D.A. - Walsh, Frank C.

Formato:	info:eu-repo/semantics/article
Enlaces:	Energy storage technologies provide an alternative solution to the problem of balancing power generation and power consumption. Redox flow cells are designed to convert and store electrical energy into chemical energy and release it in a controlled fashion when required.…
Fecha:	2008-11-06
Recurso:	RUA Docencia

Recurso libre

45.

Recent advances in modeling, design and fabrication of microwave filters for space applications
Boria Esbert, Vicente Enrique - Gimeno Martínez, Benito - Marini, Stephan - Taroncher Calduch, Máriam - Cogollos Borras, Santiago - Soto Pacheco, Pablo - Vidal Pantaleoni, Ana - Gil Raga, Jordi

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper presents recent advances in the areas of modeling, design, and fabrication of microwave filters for space applications. A fast and accurate hybrid analysis method, combining boundary integral resonant mode expansion (BI-RME) and integral equation (IE) techniques, is described.…
Fecha:	2010-03-23
Recurso:	RUA Docencia

Recurso libre

46.

Semivolatile and volatile compounds from the pyrolysis and combustion of polyvinyl chloride
Aracil Sáez, Ignacio - Font Montesinos, Rafael - Conesa Ferrer, Juan Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Emissions evolved from the pyrolysis and combustion of polyvinyl chloride (PVC) were studied at four different temperatures (500, 700, 850 and 1000 °C) in a horizontal laboratory tubular quartz reactor in order to analyse the influence of both temperature and…
Fecha:	2007-10-23
Recurso:	RUA Docencia

Recurso libre

47.

Designing secure data warehouses by using MDA and QVT
Soler, Emilio - Trujillo Mondéjar, Juan Carlos - Blanco Bueno, Carlos - Fernández Medina, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	The Data Warehouse (DW) design is based on multidimensional (MD) modeling which structures information into facts and dimensions. Due to the confidentiality of the data that it stores, it is crucial to specify security and audit measures from the early…
Fecha:	2012-03-08
Recurso:	RUA Docencia

Recurso libre

48.

Antropic effect on hydrochemical characteristics of the Valle de Toluca aquifer (central Mexico)
Esteller Alberich, María Vicenta - Andreu Rodes, José Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	El acuífero del Valle de Toluca, localizado en el Altiplano Mexicano, se encuentra sometido a una intensa explotación para cubrir las necesidades de agua en el propio valle, así como parte de las de Ciudad de México. Los altos niveles…
Fecha:	2007-10-23
Recurso:	RUA Docencia

Recurso libre

49.

Taxonomy of the genera Scaeva, Simosyrphus and Ischiodon (Diptera: Syrphidae): descriptions of immature stages and status of taxa
Láska, Pavel - Pérez Bañón, Celeste - Mazánek, Libor - Rojo Velasco, Santos - Ståhls, Gunilla - Marcos García, María Ángeles - Bicik, Vitezslav - Dusek, Jindra

Formato:	info:eu-repo/semantics/article
Enlaces:	A review of all known descriptions of immature stages of the species of the genera Scaeva Fabricius, 1805, Ischiodon Sack, 1913 and Simosyrphus Bigot, 1882 is presented using SEM illustrations. The third instar larval and/or pupal morphology of Scaeva dignota…
Fecha:	2009-02-13
Recurso:	RUA Docencia

Recurso libre

50.

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