Metabuscador

Filtrado por:

Temas

No aplica (4558)
LCC:Medicine (576)
LCC:R (576)
LCC:Q (533)
Más...

Idiomas

Inglés (6823)
Español (6134)
English (1901)
Portugués (827)
No aplica (551)
Más...

Recursos

SCIELO (6654)
Directory of Open Access Journals - DOAJ (2585)
BMGN - Low Countries Historical Review (673)
Bioresources (600)
Acta Scientiarum. Agronomy (502)

Más...

Año

2014 (117)
2013 (879)
2012 (853)
2010 (753)
2007 (382)
2005 (271)
Más...

Aproximadamente 17860 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Comparison between emissions from the pyrolysis and combustion of different wastes
Conesa Ferrer, Juan Antonio - Font Montesinos, Rafael - Fullana Font, Andrés - Martín Gullón, Ignacio - Aracil Sáez, Ignacio - Gálvez Moreno, Araceli - Moltó Berenguer, Julia - Gómez-Rico Núñez de Arenas, María Francisca

Formato:	info:eu-repo/semantics/article
Enlaces:	A comparison between different emission rates of various pollutants obtained from various wastes is presented. The studied wastes were the following: polyethylene (PE), tyres, sewage sludges, polyvinyl chloride (PVC), cotton textiles, polyester textiles, meat and bone meals (MBMs), varnish wastes,…
Fecha:	2009-11-01
Recurso:	RUA Docencia

Recurso libre

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

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

Estado de ánimo percibido y eficacia en el manejo de la clase en profesorado de Educación Secundaria, Perceived general mood and efficacy in classroom management among Secondary School teachers
Perandones González, Teresa María - Castejón Costa, Juan Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	En décadas anteriores las emociones estuvieron en gran medida descuidadas en la investigación educativa sobre la enseñanza y los profesores, pero recientemente, se ha prestado más atención al papel de las emociones en la enseñanza y en la vida profesional…
Fecha:	2009-11-03
Recurso:	RUA Docencia

Recurso libre

Holographic lens recorded on photopolymers: fabrication and study of the image quality
García Llopis, Celia - Rodríguez, Jesús D. - Fernández Varó, Elena - Camps Sanchis, Vicente Jesús - Fuentes Rosillo, Rosa - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	In recent years, holographic optical elements have been introduced in different applications such as high-density data storage, interconnections, spatial and temporal filters and three-dimensional displays. Simultaneously, more sensitive, efficient and durable holographic materials have been developed. Thus it is necessary…
Fecha:	2009-11-24
Recurso:	RUA Docencia

Recurso libre

Industria musical, televisión y producción audiovisual: veinte años de interacción mediática en el mercado musical español (1980–2000)
Viñuela Suárez, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	El desarrollo del vídeo musical español ha estado muy influenciado por la evolución del sector televisivo y la industria musical. El recorrido por la historia de este nuevo género audiovisual sirve como reflejo de la adaptación de unas estructuras herederas…
Fecha:	2008-11-06
Recurso:	RUA Docencia

Recurso libre

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

Systematics and phylogeny of the tribe Paragini (Diptera: Syrphidae) based on molecular and morphological characters
Vujić, Ante - Ståhls, Gunilla - Rojo Velasco, Santos - Radenković, Snezana - Simić, Smiljka

Formato:	info:eu-repo/semantics/article
Enlaces:	We studied the phylogeny and systematics of the tribe Paragini (Diptera: Syrphidae) using morphological and molecular data. The paper presents separate parsimony analyses of both adult morphological characters and partial DNA sequence data from mitochondrial cytochrome c oxidase I and…
Fecha:	2009-11-09
Recurso:	RUA Docencia

Recurso libre

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

10.

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

11.

Multi-agent versus multi-robot and other Byzantine discussions
Matellán Olivera, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	This special issue of the Journal of Physical Agents is devoted to multi-robot systems. Some might perhaps argue that the term should have been ”multi-agent systems” or ”physical multi-agent systems”, in accordance with the title of the journal. In any…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

12.

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

13.

Catz, Dogz & Robotz? Human interaction with domestic robotic devices
Lawson, Shaun - Chesney, Thomas

Formato:	info:eu-repo/semantics/article
Enlaces:	This special issue of the Journal of Physical Agents is devoted to human interaction with domestic robots. The form, features and future, of domestic robotic devices, from entertainment-based agents through to robotic cleaners, companions, assistants and helpers, are considered and…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

14.

Corrigendum to “Solution of the relativistic (an)harmonic oscillator using the harmonic balance method” [J. Sound Vib. 311 (2008) 1447–1456]
Beléndez Vázquez, Augusto - Pascual Villalobos, Carolina - Méndez Alcaraz, David Israel - Neipp López, Cristian

Formato:	info:eu-repo/semantics/article
Enlaces:	Descripción completa.
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

15.

An advanced interactive interface for Robotics e-learing
Jara Bravo, Carlos Alberto - Candelas Herías, Francisco Andrés - Torres Medina, Fernando

Formato:	info:eu-repo/semantics/article
Enlaces:	Virtual and remote laboratories have improved learning and training in the academic community. They allow students to acquire methods, skills and experience related to real equipment in an intuitive and cost-effective way. The purpose of this paper is to present…
Fecha:	2009-03-16
Recurso:	RUA Docencia

Recurso libre

16.

Environmental practices and firm performance: an empirical analysis in the Spanish hotel industry
Molina Azorín, José Francisco - Claver Cortés, Enrique - Pereira Moliner, Jorge - Tarí Guilló, Juan José

Formato:	info:eu-repo/semantics/article
Enlaces:	The impact of environmental practices on firm performance raises an ongoing debate in which the review of the existing literature yields no conclusive results. Different methods have been used to study this relationship and most of the analyses have focused…
Fecha:	2009-11-10
Recurso:	RUA Docencia

Recurso libre

17.

Domestic applications for social robots: an online survey on the influence of appearance and capabilities
Lohse, Manja - Hegel, Frank - Wrede, Britta

Formato:	info:eu-repo/semantics/article
Enlaces:	Can you imagine a useful task you would like a social robot to perform for you? This paper presents an Internet survey where participants were asked this question to identify applications for social robots. The applications mentioned by the participants…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

18.

The influence of social presence on acceptance of a companion robot by older people
Heerink, Marcel - Kröse, Ben - Evers, Vanessa - Wielinga, Bob

Formato:	info:eu-repo/semantics/article
Enlaces:	If robotic companions are to be used in the near future by aging adults, they have to be accepted by them. In the process of developing a methodology to measure, predict and explain acceptance of robotic companions, we researched the…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

19.

Multiagent interactions in urban driving
Beeson, Patrick - O'Quin, Jack - Gillan, Bartley - Nimmagadda, Tarun - Ristroph, Mickey - Li, David - Stone, Peter

Formato:	info:eu-repo/semantics/article
Enlaces:	In Fall 2007, the US Defense Advanced Research Projects Agency (DARPA) held the Urban Challenge, a street race between fully autonomous vehicles. Unlike previous challenges, the Urban Challenge vehicles had to follow the California laws for driving, including properly handling…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

20.

Robust multi-robot formations under human supervision and control
Elmaliach, Yehuda - Kaminka, Gal A.

Formato:	info:eu-repo/semantics/article
Enlaces:	There is considerable interest in real-world formation-maintenance tasks, where robots move together while maintaining a geometric shape. This interest is motivated by promise of robustly and efficiently moving multiple robots along a path, guided by a human operator. This paper…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

21.

Linear-time temporal logic control of discrete event models of cooperative robots
Lacerda, Bruno - Lima, Pedro

Formato:	info:eu-repo/semantics/article
Enlaces:	A Discrete Event System (DES) is a discrete state space dynamic system that evolves in accordance with the instantaneous occurrence, at possibly unkown times, of physical events. Given a DES, its behavior (the sequence of displayed events) may not satisfy…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

22.

Complementary resources and capabilities for an ethical and environmental management: a qual/quan study
López Gamero, María Dolores - Claver Cortés, Enrique - Molina Azorín, José Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	Managers’ commitment to contribute to sustainable development holds the key to their long-term business success and may be a source of competitive advantage. The managerial perception of business ethics is influenced by the level of moral development and personal characteristics…
Fecha:	2009-11-10
Recurso:	RUA Docencia

Recurso libre

23.

A BCD-based architecture for fast coordinate rotation
Jimeno Morenilla, Antonio - Mora Mora, Higinio - Sánchez Romero, José Luis - Pujol López, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	Although radix 10 based arithmetic has been gaining renewed importance over the last few years, decimal systems are not efficient enough and techniques are still under development. In this paper, an improvement of the CORDIC (coordinate rotation digital computer) method…
Fecha:	2009-11-20
Recurso:	RUA Docencia

Recurso libre

24.

On the design of the huggable robot Probo
Saldien, Jelle - Goris, Kristof - Yilmazyildiz, Selma - Verhelst, Werner - Lefeber, Dirk

Formato:	info:eu-repo/semantics/article
Enlaces:	Nowadays robots are being created that interact with human beings in order to satisfy certain social needs. Following this trend, the development of the social robot Probo has started. The robot will be used in hospitals, as a tele-interface for…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

25.

Children’s responses and opinion on three bots that motivate, educate and play
Looije, Rosemarijn - Neerincx, Mark A. - Lange, Vincent de

Formato:	info:eu-repo/semantics/article
Enlaces:	Social robots may help children in their daily health-care related activities, such as adherence to diet and exercises of diabetics. Based on a domain and literature study, we specified three support roles with corresponding bot behaviors: motivator, educator and buddy.…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

26.

Inter-classifier feedback for human-robot interaction in a domestic setting
Lee, Juhyun - Knox, W. Bradley - Stone, Peter

Formato:	info:eu-repo/semantics/article
Enlaces:	For a mobile robot that interacts with humans such as a home assistant or a tour guide robot, activities such as locating objects, following specific people, and distinguishing among different people are fundamental, yet challenging robotic vision tasks. For complex…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

27.

GlowBots: designing and implementing engaging human-robot interaction
Jacobsson, Mattias - Fernaeus, Ylva - Holmquist, Lars Erik

Formato:	info:eu-repo/semantics/article
Enlaces:	GlowBots are small tangible, communicating and interactive robots that show eye-catching visual patterns on a round LED display. This paper details the development of the GlowBots from the early user-oriented design phase, through hardware and software development and onto preliminary…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

28.

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

29.

Linearization of conservative nonlinear oscillators
Beléndez Vázquez, Augusto - Álvarez López, Mariela Lázara - Fernández Varó, Elena - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	A linearization method of the nonlinear differential equation for conservative nonlinear oscillators is analyzed and discussed. This scheme is based on the Chebyshev series expansion of the restoring force which allows us to obtain a frequency-amplitude relation which is valid…
Fecha:	2009-01-26
Recurso:	RUA Docencia

Recurso libre

30.

Evaluating environmental regulation in Spain using process control and preventive techniques
López Gamero, María Dolores - Claver Cortés, Enrique - Molina Azorín, José Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	Because environmental regulations may be adjusted over time to reflect updated understanding or new circumstances, there may be scope for strategic behaviour too. Regulations affect not only current emission levels, but also the effect on investment in R&D or new…
Fecha:	2009-11-10
Recurso:	RUA Docencia

Recurso libre

31.

A Combination of Citation Analyses Can Reveal the Nature of a Journal’s Scholarly Communication, Its Influence in a Scientific Community, and the Geographic Location of Its Authors and Citers
Haddow, Gaby

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion,
Enlaces:	A review of: Bonnevie-Nebelong, Ellen. “Methods for Journal Evaluation: Journal Citation Identity, Journal Citation Image, and Internationalisation.” Scientometrics 66.2 (Jan. 2006): 411-24. Objective – To conduct a number of citation analyses of the Journal of Documentation (JDOC), comparing…
Fecha:	2006-12-11
Recurso:	Evidence based Library and Information practice

Recurso libre

32.

Preface
Board, Editorial; University of Technology, Sydney / University of the Western Cape

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	The three papers in this issue of the African Journal of Information and Communication Technology also cover three current hot areas of ICT, voice over Internet protocol (VoIP), ultra wideband systems and human computer interface. In the Issue we also…
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

33.

Foreward
Macpherson, Iain - Nault, Derrick M.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion,
Enlaces:	Descripción completa.
Fecha:	2009-11-11
Recurso:	Asia Journal of Global Studies

Recurso libre

34.

Author Guidelines
Board, Editorial; University of Technology, Sydney / University of the Western Cape

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

35.

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

36.

List of Reviewers
Board, Editorial; University of Technology, Sydney / University of the Western Cape

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

37.

Preface
Belyaeva,Tatyana - Bijker,Roelof - Martínez-Quiroz,Enrique

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2006-11-01
Recurso:	SCIELO

Recurso libre

38.

Editorial
Farfán,Rosa María

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2006-11-01
Recurso:	SCIELO

Recurso libre

39.

Earthworm diversity in four land use systems in the region of Jaguapitã, Paraná State, Brazil.
NUNES, D. H. - PASINI, A. - BENITO, N. P. - BROWN, G. G.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	2006
Fecha:	2008-04-17
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

40.

Optimal Packetization Interval for VoIP Applications Over IEEE 802.16 Networks
Perera, Shehan; University of Canterbury - Sirisena, Harsha; University of Canterbury - Pawlikowski, Krzysztof; University of Canterbury

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	An analysis of the impact of the packetization interval for constant bit rate traffic has been done in the context of the IEEE 802.16 MAC layer. Bandwidth used for overheads which include lower layer headers as well as retransmissions at…
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

41.

Timing Recovery for Ultra Wideband Systems
Ghavami, Mohammad

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper examines the problems of symbol timing estimation and timing recovery for ultra wideband impulse radio signals. Two different approaches based onthe maximum likelihood technique are investigated. The first approach is based on derivative matched filter and the second…
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

42.

North-Western Journal of Zoology

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2006-11-08
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

43.

Journal of Technology Management & Innovation

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2006-11-16
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

44.

Journal of the American Board of Family Medicine

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2006-11-02
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

45.

Second Anniversary
Chraif, Mihaela; EJOP Editor - Glaveanu, Vlad; EJOP Editor

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	No abstract available.
Fecha:	2006-11-30
Recurso:	Europe's Journal of Psychology

Recurso libre

46.

HCI as an engineering discipline: to be or not to be!?
Rauterberg, Matthias; Eindhoven University of Technology

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	One of the major challenges in the emerging interdisciplinary field of human-computer interaction (HCI) is the specification of a research line that can enable the development of validated design knowledge with a predictive power for the design of interactive systems.…
Fecha:	2006-12-11
Recurso:	African Journal Of Information & Communication Technology

Recurso libre

47.

Electromagnetic form factors
De Sanctis,M. - Giannini,M.M. - Santopinto,E. - Vassallo,A.

Formato:	journal article
Enlaces:	The relativized hypercentral Constituent Quark Model is used for the calculation of the elastic electromagnetic form factors of the nucleon. The results are compared with the recent measurements at Jlab.
Fecha:	2006-11-01
Recurso:	SCIELO

Recurso libre

48.

Personality Traits And Feeling Of Loneliness In Unemployed Youths
Upadhayay, Brijesh Kumar; Department of Psychology, Gurukul Kangari University, Hardwar, Uttranchal, India - Khokhar, C. P.; Professor, Department of Psychology, Gurukul Kangri University, Haridwar, India

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Unemployment has been a recurring social problem throughout the century and bringing a mental health problem. In addition to feelings of excitement and anticipation, there may also be the feelings of loneliness. Loneliness is an important personality variable. Aim of…
Fecha:	2006-11-30
Recurso:	Europe's Journal of Psychology

Recurso libre

49.

Enhancing the success of outsourcing initiatives
Hern, Carroll; The CUMIS Group York University - Burke, Ronald J.; York University, Toronto, Canada

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Outsourcing has become an increasingly powerful option for many companies seeking to reduce costs, enhance service and focus on core competencies. Most commonly used for information technology services, this trend of business process outsourcing (BPO) is very prevalent in Human…
Fecha:	2006-11-30
Recurso:	Europe's Journal of Psychology

Recurso libre

50.

Evolutionary Psychology Insights Regarding Human Sexuality
Eisenman, Russell; Department of Psychology, University of Texas-Pan American, Edinburg, TX, USA

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Evolutionary psychology has presented important insights about many areas, with human sexuality being one of the areas of important insights. Some contributions of evolutionary psychology to six areas are discussed here: Sexual Intercourse vs. Masturbation, Preference by Aging Males for…
Fecha:	2006-11-30
Recurso:	Europe's Journal of Psychology