Metabuscador

Filtrado por:

Temas

Educación Física y Deportiva (130)
Física Aplicada (79)
Óptica (54)
Ciencia de la Computación e Inteligencia Artificial (51)
Holography (41)
Más...

Idiomas

Año

2013 (50)
2011 (40)
2010 (35)
2008 (54)
2007 (40)
2006 (12)
Más...

Aproximadamente 488 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Linearized harmonic balancing approach for accurate solutions to the dynamically shifted oscillator
Beléndez Vázquez, Augusto - Rodes Roca, José Joaquín - Fuentes Rosillo, Rosa - García Llopis, Celia - Yebra Calleja, María Soledad - Pascual Villalobos, Inmaculada

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 dynamically shifted oscillator. This nonlinear oscillator is described by an equation of motion…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

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

Multi-agent system theory for resource management in home automation systems
Conte, Giuseppe - Morganti, Gianluca - Perdon, Anna Maria - Scaradozzi, David

Formato:	info:eu-repo/semantics/article
Enlaces:	A paradigm for modelling and analysing Home Automation Systems is introduced, based on Multi-Agent System theory. A rich and versatile environment for Home Automation System simulation is constructed for investigating the performances of the system. The exploitation of limited resources…
Fecha:	2009-11-20
Recurso:	RUA Docencia

Recurso libre

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

Bleached silver halide volume holograms recorded on Slavich PFG-01 emulsion: the influence of the developer
Neipp López, Cristian - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	Bleached holograms are one of the most interesting techniques used to produce phase holograms of high quality on photographic emulsions. Of particular interest is the method of fixation-free rehalogenating bleaching. In this paper we will study the influence of the…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

Copying low spatial frequency diffraction gratings in photopolymer as phase holograms
Pascual Villalobos, Inmaculada - Márquez Ruiz, Andrés - Beléndez Vázquez, Augusto - Fimia Gil, Antonio - Campos Coloma, Juan - Yzuel Giménez, María Josefa

Formato:	info:eu-repo/semantics/article
Enlaces:	Photopolymers are studied as holographic recording materials for recording computer-generated phase holograms. The recording was performed using a holographic copying process, in which the master is produced by means of a high resolution graphic device. To our knowledge it is…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

New theoretical matrix formula for intraocular lens calculation using the optimal bending factor
Fimia Gil, Antonio - Alió y Sanz, Jorge L. - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	By applying Gaussian optics we propose a new matrix formula model for intraocular lens (IOL) calculation that yields not only IOL optical power for a particular eye but also an evaluation of the bending factor of different IOL optical designs.…
Fecha:	2009-01-29
Recurso:	RUA Docencia

Recurso libre

Distributed intelligence: overview of the field and its application in multi-robot systems
Parker, Lynne E.

Formato:	info:eu-repo/semantics/article
Enlaces:	This article overviews the concepts of distributed intelligence, outlining the motivations for studying this field of research. First, common systems of distributed intelligence are classified based upon the types of interactions exhibited, since the type of interaction has relevance to…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

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

10.

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

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

Recurso libre

11.

Study on civil liability of referees in the sport competitions
Mohamadinejad, Azadeh - Mirsafian, Hamidreza - Soltanhoseini, Mohammad

Formato:	info:eu-repo/semantics/article
Enlaces:	Litigation is now a common occurrence and the sport environment is not excluded. The law affects all aspects of sport, whether you are an Olympic champion, a referee of a soccer game, a fan of special team, a constructor or…
Fecha:	2012-03-09
Recurso:	RUA Docencia

Recurso libre

12.

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

13.

God has a plan: moral values and beliefs of Christian athletes in competitive sports
Kretschmann, Rolf - Benz, Caroline

Formato:	info:eu-repo/semantics/article
Enlaces:	Christian athletes are people with specific and distinctive moral guidelines in everyday life as well as in competitive sports. No matter if they are competing in triathlon, athletics, or playing soccer, if they are playing in the lowest or highest…
Fecha:	2012-07-25
Recurso:	RUA Docencia

Recurso libre

14.

Sport-specific balance ability in Taekwondo practitioners
Fong, Shirley Siu Ming - Cheung, Candy Ka Yan - Ip, Janice Yan - Chiu, Joe Ho Nam - Lam, Karen Lok Heng - Tsang, William Wai Nam

Formato:	info:eu-repo/semantics/article
Enlaces:	Taekwondo is a combat sport emphasizing on kicking techniques and dynamic footwork. Specialized balance ability is crucial for Taekwondo practitioners. This study aimed to compare (1) the postural stability during turning, and (2) the forward lunge distance between adolescent TKD…
Fecha:	2012-07-25
Recurso:	RUA Docencia

Recurso libre

15.

Dynamic exercise versus tag game warm up: the acute effect on agility and vertical jump in children
Coledam, Diogo Henrique Constantino - Paludo, Ana Carolina - Oliveira, Arli Ramos de - Dos-Santos, Júlio Wilson

Formato:	info:eu-repo/semantics/article
Enlaces:	Although dynamic and stretching exercises have been widely investigated, there is little information about warm up performed by tag games. Thus, the purpose of the present study was to verify the acute effect of dynamic exercises compared to a tag…
Fecha:	2012-04-08
Recurso:	RUA Docencia

Recurso libre

16.

The effect of plyometric training program on young volleyball players in their usual training period
Vassil, Karin - Bazanov, Boriss

Formato:	info:eu-repo/semantics/article
Enlaces:	The purpose of this study was to find out the efficiency of composed plyometric training program on youth volleyball players force capabilities in their usual training period. The plyometric training program was applied during 16 week period where was attended…
Fecha:	2012-03-09
Recurso:	RUA Docencia

Recurso libre

17.

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

18.

Hybrid ternary modulation applied to multiplexing holograms in photopolymers for data page storage
Fernández Varó, Elena - Márquez Ruiz, Andrés - Gallego Rico, Sergi - Fuentes Rosillo, Rosa - García Llopis, Celia - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	Holographic data storage is a new optical technology, which allows an important number of bits to be stored in a recording material. In this paper, holographic data pages were stored in a polyvinyl alcohol/acrylamide (AA) photopolymer layer, using a peristrophic…
Fecha:	2011-07-18
Recurso:	RUA Docencia

Recurso libre

19.

Invisible work, unseen hazards: the health of women immigrant household service workers in Spain
Ahonen, Emily Q. - López Jacob, María José - Vázquez, María Luisa - Porthé, Victoria - Gil González, Diana - García García, Ana María - Ruiz Frutos, Carlos - Benach de Rovira, Joan - García Benavides, Fernando

Formato:	info:eu-repo/semantics/article
Enlaces:	BACKGROUND: Household service work has been largely absent from occupational health studies. We examine the occupational hazards and health effects identified by immigrant women household service workers. METHODS: Exploratory, descriptive study of 46 documented and undocumented immigrant women in household…
Fecha:	2011-07-19
Recurso:	RUA Docencia

Recurso libre

20.

La historia de la química: Pequeña guía para navegantes. Parte II: Libros, revistas, sociedades, centros de investigación y enseñanza
Bertomeu Sánchez, José Ramón - García Belmar, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Este trabajo pretende ser una guía de las investigaciones en historia de la química. Consta de dos partes muy relacionadas entre sí. En la primera parte se ha descrito el desarrollo de la historia de la química como área de…
Fecha:	2012-09-24
Recurso:	RUA Docencia

Recurso libre

21.

Activation of polymer blend carbon nanofibres by alkaline hydroxides and their hydrogen storage performances
Suárez García, Fabián - Vilaplana Ortego, Eduardo - Kunowsky, Mirko - Kimura, M. - Oya, Asao - Linares Solano, Ángel

Formato:	info:eu-repo/semantics/article
Enlaces:	In the present work we study the hydroxide activation (NaOH and KOH) of phenol-formaldehyde resin derived CNFs prepared by a polymer blend technique to prepare highly porous activated carbon nanofibres (ACNFs). Morphology and textural characteristics of these ACNFs were studied…
Fecha:	2012-01-19
Recurso:	RUA Docencia

Recurso libre

22.

Chaucer's Knight and the Hundred Years War
Sánchez Martí, Jordi

Formato:	info:eu-repo/semantics/article
Enlaces:	Descripción completa.
Fecha:	2011-10-07
Recurso:	RUA Docencia

Recurso libre

23.

Gender analysis of moxifloxacin clinical trials
Chilet Rosell, Elisa - Ruiz Cantero, María Teresa - Pardo López, María Ángeles

Formato:	info:eu-repo/semantics/article
Enlaces:	Purpose: To determine the inclusion of women and the sex-stratification of results in moxifloxacin Clinical Trials (CTs), and to establish whether these CTs considered issues that specifically affect women, such as pregnancy and use of hormonal therapies. Previous publications about…
Fecha:	2013-11-08
Recurso:	RUA Docencia

Recurso libre

24.

A review of the European species of Phradis (Hymenoptera: Ichneumonidae: Tersilochinae), with a description of a new species from Spain
Khalaim, Andrey I. - Bordera Sanjuán, Santiago - Rodríguez Berrío, Alexander

Formato:	info:eu-repo/semantics/article
Enlaces:	European species of the genus Phradis Förster, 1869 are reviewed. A new species from Spain, Phradis mediterraneus sp. n., is described and illustrated. A key to all 24 European species and data on distribution and biology of these species are…
Fecha:	2012-07-24
Recurso:	RUA Docencia

Recurso libre

25.

Chiral gold(I) vs chiral silver complexes as catalysts for the enantioselective synthesis of the second generation GSK-hepatitis C virus inhibitor
Martín Rodríguez, María - Nájera Domingo, Carmen - Sansano Gil, José Miguel - Cózar Ruano, Abel de - Cossío Mora, Fernando Pedro

Formato:	info:eu-repo/semantics/article
Enlaces:	The synthesis of a GSK 2nd generation inhibitor of the hepatitis C virus, by enantioselective 1,3-dipolar cycloaddition between a leucine derived iminoester and tert-butyl acrylate, was studied. The comparison between silver(I) and gold(I) catalysts in this reaction was established by…
Fecha:	2011-07-20
Recurso:	RUA Docencia

Recurso libre

26.

A novel rational harmonic balance approach for periodic solutions of conservative nonlinear oscillators
Beléndez Vázquez, Augusto - Gimeno Nieves, Encarnación - Álvarez López, Mariela Lázara - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Méndez Alcaraz, David Israel

Formato:	info:eu-repo/semantics/article
Enlaces:	An analytical approximate procedure for a class of conservative single degree-of-freedom nonlinear oscillators with odd non-linearity is proposed. This technique is based on the generalized harmonic balance method in which analytical approximate solutions have rational forms. Unlike the classical harmonic…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

27.

Higher accuracy approximate solution for oscillations of a mass attached to a stretched elastic wire by rational harmonic balance method
Gimeno Nieves, Encarnación - Álvarez López, Mariela Lázara - Yebra Calleja, María Soledad - Rosa Herranz, Julio Luis - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	A second-order modified rational harmonic balance method is used for approximately solve the nonlinear differential equation that governs the oscillations of a system typified as a mass attached to a stretched elastic wire for which the restoring force for this…
Fecha:	2012-05-04
Recurso:	RUA Docencia

Recurso libre

28.

Current trends in special education in Spain: do they reflect legislative mandates of inclusion?
Cardona Moltó, María Cristina

Formato:	info:eu-repo/semantics/article
Enlaces:	Over the past decades significant changes have occurred throughout all aspects of the field of Special Education in Spain. One of these changes is related to appropriate and effective instruction for students with disabilities and diverse educational needs in inclusive…
Fecha:	2012-10-30
Recurso:	RUA Docencia

Recurso libre

29.

Teacher education students’ beliefs of inclusion and perceived competence to teach students with disabilities in Spain
Cardona Moltó, María Cristina

Formato:	info:eu-repo/semantics/article
Enlaces:	The practical difficulties of including students with disabilities and diverse educational needs into regular classrooms are apparent in all countries around the world. Successful implementation of the policy of inclusion depends largely on teachers having the knowledge, skills, and competency…
Fecha:	2012-10-30
Recurso:	RUA Docencia

Recurso libre

30.

Scales for evaluating self-perceived anxiety levels in patients admitted to intensive care units: a review
Perpiñá Galvañ, Juana - Richart Martínez, Miguel

Formato:	info:eu-repo/semantics/article
Enlaces:	Objective: To review studies of anxiety in critically ill patients admitted to an intensive care unit to describe the level of anxiety and synthesize the psychometric properties of the instruments used to measure anxiety. Methods: The CUIDEN, IME, ISOC, CINAHL,…
Fecha:	2012-11-06
Recurso:	RUA Docencia

Recurso libre

31.

Information technology outsourcing in financial services
González Ramírez, María Reyes - Llopis Taverner, Juan - Gascó Gascó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	Regulatory pressures and strong competitiveness, as well as the need to control costs and remain up to date with information technologies have turned outsourcing into a basic tool at the disposal of financial entities. Our paper has as its aim…
Fecha:	2013-07-10
Recurso:	RUA Docencia

Recurso libre

32.

Robotic control based on the human nervous system
Berná Martínez, José Vicente - Maciá Pérez, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	This article presents a model of robotic control system inspired by the human neuroregulatory system. This model allows the application of functional and organizational principles of biological systems to robotic systems. It also proposes appropriate technologies to implement this proposal,…
Fecha:	2011-11-18
Recurso:	RUA Docencia

Recurso libre

33.

Reply to comment by L. Fenoglio-Marc et al. on “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:	Reply to comment by L. Fenoglio-Marc et al. on “On the steric and mass-induced contributions to the annual sea level variations in the Mediterranean Sea”., This work is supported by the Spanish Science and Technology Ministry Project ESP2006-11357.
Fecha:	2011-12-20
Recurso:	RUA Docencia

Recurso libre

34.

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

35.

Spectral BRDF-based determination of proper measurement geometries to characterize color shift of special effect coatings
Ferrero Turrión, Alejandro - Rabal Almazor, Ana María - Campos Acosta, Joaquín - Martínez Verdú, Francisco Miguel - Chorro Calderón, Elísabet - Perales Romero, Esther - Pons Aglio, Alicia - Hernanz Sanjuán, María Luisa

Formato:	info:eu-repo/semantics/article
Enlaces:	A reduced set of measurement geometries allows the spectral reflectance of special effect coatings to be predicted for any other geometry. A physical model based on flake-related parameters has been used to determine nonredundant measurement geometries for the complete description…
Fecha:	2013-01-10
Recurso:	RUA Docencia

Recurso libre

36.

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

37.

Applying QVT in order to implement secure data warehouses in SQL server analysis services
Blanco Bueno, Carlos - García Rodríguez de Guzmán, Ignacio - García Rosado, David - Fernández-Medina Patón, Eduardo - Trujillo Mondéjar, Juan Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Data Warehouses manage historical information for the decision making process, and this information could be discovered by unauthorized users if security constraints are not established. It is therefore highly important for OLAP tools to consider the security rules defined at…
Fecha:	2012-03-08
Recurso:	RUA Docencia

Recurso libre

38.

Enhancing QA systems with complex temporal question processing capabilities
Saquete Boró, Estela - Vicedo González, José Luis - Martínez Barco, Patricio - Muñoz Guillena, Rafael - Llorens Martínez, Héctor

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper presents a multilayered architecture that enhances the capabilities of current QA systems and allows different types of complex questions or queries to be processed. The answers to these questions need to be gathered from factual information scattered throughout…
Fecha:	2012-05-17
Recurso:	RUA Docencia

Recurso libre

39.

Repeated sequence homogenization between the control and pseudo-control regions in the mitochondrial genomes of the subfamily Aquilinae
Cadahía Lorenzo, Luis - Pinsker, Wilhelm - Negro Balmaseda, Juan José - Pavlicev, Mihaela - Urios Moliner, Vicente - Haring, Elisabeth

Formato:	info:eu-repo/semantics/article
Enlaces:	In birds, the noncoding control region (CR) and its flanking genes are the only parts of the mitochondrial (mt) genome that have been modified by intragenomic rearrangements. In raptors, two noncoding regions are present: the CR has shifted to a…
Fecha:	2012-06-04
Recurso:	RUA Docencia

Recurso libre

40.

Evaluation of quality of life related to nutritional status
Wanden-Berghe, Carmina - Sanz Valero, Javier - Escribà Agüir, Vicenta - Castelló Botía, Isabel - Guardiola Wanden-Berghe, Rocío

Formato:	info:eu-repo/semantics/article
Enlaces:	The way in which the quality of life related to health (HRQoL) is affected by the nutritional status of the patient is a subject of constant interest and permanent debate. The purpose of the present paper is to review those…
Fecha:	2012-10-04
Recurso:	RUA Docencia

Recurso libre

41.

Experimental and theoretical studies of the energy-loss straggling of H and He ion beams in HfO2 films
Abril Sánchez, Isabel - Behar, Moni - García Molina, Rafael - Fadanelli, Raúl C. - Nagamine, Luiz C.C.M. - Grande, P.L. - Schünemann, L. - Denton Zanello, Cristian D. - Arista, Néstor R. - Saitovitch, E.B.

Formato:	info:eu-repo/semantics/article
Enlaces:	We report an experimental-theoretical study of the energy-loss straggling of protons and alpha particles in HfO2 films. In the case of H ions the experiments were performed in the energy range 40–1750 keV. For the lower energy interval (40–250 keV)…
Fecha:	2012-11-28
Recurso:	RUA Docencia

Recurso libre

42.

Prototypes, meanings and motion: cognitive evolution of Spanish "acostarse"
Fernández Jaén, Jorge

Formato:	info:eu-repo/semantics/article
Enlaces:	The aim of this paper is to analyse the Spanish verb acostarse, following the theoretical tools established by Geeraerts (1997). From the perspective of Cognitive Semantics, linguistic categories evolve from prototypic to new meanings as a result of metonymic or…
Fecha:	2010-01-12
Recurso:	RUA Docencia

Recurso libre

43.

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

44.

Whole body vibration: acute and residual effect on the explosive strength
Hoyo Lora, Moisés de - Romero Granados, Santiago - Sañudo Corrales, Borja - Carrasco Páez, Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The whole body vibrations (WBV) it is nowadays one of the most widely used methods for improving the explosive strength. This seems to produce similar effects than those found after applying a eccentric-concentric cycle. In this study, 12 subjects participating…
Fecha:	2010-06-02
Recurso:	RUA Docencia

Recurso libre

45.

Personas separadas actuando en conjunto: un esbozo de teoría del Derecho contractual
Hevia, Martín

Formato:	info:eu-repo/semantics/article
Enlaces:	Este ensayo aborda el siguiente interrogante: si, como famosamente sostuvo John Rawls, la justicia es la virtud fundamental de las instituciones sociales, ¿cómo debemos entender al derecho de los contratos? En este ensayo sitúo el derecho de los contratos en…
Fecha:	2012-01-16
Recurso:	RUA Docencia

Recurso libre

46.

Study of redox mechanism of poly(o-aminophenol) using in situ techniques: evidence of two redox processes
Salavagione, Horacio Javier - Arias Pardilla, Joaquín - Pérez Martínez, José María - Vázquez Picó, José Luis - Morallón Núñez, Emilia - Miras, María Cristina - Barbero, César Alfredo

Formato:	info:eu-repo/semantics/article
Enlaces:	The poly(o-aminophenol) (POAP) redox process has been studied in aqueous acid solution using spectroscopic and optic in situ techniques. The redox transition of the POAP from its completely oxidized state to its completely reduced state occurs through two consecutive reactions…
Fecha:	2007-10-29
Recurso:	RUA Docencia

Recurso libre

47.

On Motzkin decomposable sets and functions
Goberna Torrent, Miguel Ángel - Martínez Legaz, Juan Enrique - Todorov, Maxim I.

Formato:	info:eu-repo/semantics/article
Enlaces:	A set is called Motzkin decomposable when it can be expressed as the Minkowski sum of a compact convex set with a closed convex cone. The main result in this paper establishes that a closed convex set is Motzkin decomposable…
Fecha:	2010-11-19
Recurso:	RUA Docencia

Recurso libre

48.

“Turning to one’s own world": escape mechanisms employed by immigrant caregivers in Spain for relieving the burden of care
Cuesta Benjumea, Carmen de la - Donet Montagut, Teresa - Galiana Gómez de Cádiz, María José

Formato:	info:eu-repo/semantics/article
Enlaces:	Purpose: Although past research has focused on the coping strategies of family caregivers, how immigrant caregivers cope with the demands of caregiving remains unknown. This study examines the strategies immigrant caregivers use to relieve the burden of care. Method: A…
Fecha:	2011-12-19
Recurso:	RUA Docencia

Recurso libre

49.

The relationship between the incidence of winners/errors and the time spent in different areas of the court in elite tennis
Martínez Gallego, Rafael - Guzmán Luján, José Francisco - James, Nic - Ramón Llin, Jesús - Crespo, Miguel - Vuckovic, Goran

Formato:	info:eu-repo/semantics/article
Enlaces:	Winners and errors have been two of the most studied performance indicators in tennis, contributing to the prediction of match outcome and definition of the playing style of the players. Furthermore, the position occupied by the player on the court…
Fecha:	2013-09-04
Recurso:	RUA Docencia

Recurso libre

50.

A strongly magnetized pulsar within the grasp of the milky way’s supermassive black hole
Rea, Nanda - Esposito, Paolo - Pons Botella, José Antonio - Turolla, Roberto - Torres, Diego F. - Israel, Gian Luca - Possenti, Andrea - Burgay, Marta - Viganò, Daniele - Papitto, Alessandro - Perna, Rosalba - Stella, Luigi - Ponti, Gabriele - Baganoff, Frederick K. - Haggard, Daryl - Camero-Arranz, Ascensión - Zane, Silvia - Minter, Anthony - Mereghetti, Sandro - Tiengo, Andrea - Schödel, Rainer - Feroci, Marco - Mignani, Roberto P. - Götz, Diego

Formato:	info:eu-repo/semantics/article
Enlaces:	The center of our Galaxy hosts a supermassive black hole, Sagittarius (Sgr) A∗. Young, massive stars within 0.5 pc of Sgr A∗ are evidence of an episode of intense star formation near the black hole a few million years ago,…
Fecha:	2013-11-12
Recurso:	RUA Docencia