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Aproximadamente 13306 registro(s) hasta el momento: (journal)

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Recurso libre

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

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

Definition of a goal elicitation process
Thomas, Pablo Javier

Formato:	Articulo, Revision
Enlaces:	Descripción completa.
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

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

Design, evaluation and optimization of the wavelet transform for medical video coding in single processor architectures
Bernabé García, Gregorio

Formato:	Articulo, Revision
Enlaces:	Descripción completa.
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

When Recourses Fail to Protect: Canadian Human Rights Obligations and the Remedies offered to Foreigners against Immigration Decisions
Crépeau, François

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2007-11-13
Recurso:	Université de Montreal

Recurso libre

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

Design, implementation, and evaluation of a new journaling file system with data and meta-data separation
Piernas Cánovas, Juan

Formato:	Articulo, Revision
Enlaces:	This thesis describes the design, implementation and evaluation of a journaling file system called DualFS. Our main goal is to improve disk I/O by designing a new file system which must have two features: a better performance than that of…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

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

11.

Editorial
Elliman, Tony - Llopis Taverner, Juan - Ezingeard, Jean Noel - Irani, Zahir

Formato:	info:eu-repo/semantics/annotation
Enlaces:	Descripción completa.
Fecha:	2011-05-27
Recurso:	RUA Docencia

Recurso libre

12.

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

13.

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

14.

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

15.

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

16.

The theatricality of the Staffordshire figurine
McWilliam, Rohan

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2013-05-20
Recurso:	Anglia Ruskin University

Recurso libre

17.

Commodification or transformation: measuring performance in the public sector
Adcroft, Andy - Willis, Robert

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-07-28
Recurso:	Anglia Ruskin University

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.

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

20.

Detection of IL-5 by in situ hybridization in intestinal biopsies of hamsters infected with Taenia solium adult parasites
Avila , G - Velasco, S - Aguilar, L - Solano, S - Rodriguez, V - Romero, M - Olivo, A - Flisser, A

Formato:	Meeting Abstract
Enlaces:	Descripción completa.
Fecha:	2011-12-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

21.

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

22.

A new species of Amyris (Rutaceae) from Baja California Sur, Mexico.
Rebman, J. P. - Chiang, F.

Formato:	Artículo
Enlaces:	Field exploration and floristic research have revealed another plant species endemic to the peninsula of Baja California, Mexico. A new shrubby species (Amyris certerae)from the Sierra Guadalupe and Sierra de la Giganta, Baja California Sur, is described here. Distribution, associated…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

23.

Description of six new species of Amnestus Dallas (Hemiptera: Heteroptera: Cydnidae) from Mexico.
Mayorga, C. M. - Cervantes-Peredo, L.

Formato:	Artículo
Enlaces:	Six new species of Amnestus Dallas from the Mexican states of Campeche, Chiapas, Hidalgo, and Veracruz are described. Illustrations of adults and diagnostic characters of the head, prosternal carina, pronotum, legs, parameres, and methatoracic scent gland are provided. Distribution and…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

24.

Two new genera and five new species of Colpurini (Heteroptera: Coreidae) from New Guinea.
Brailovsky, H. - Barrera, E.

Formato:	Artículo, Trabajo de investigación original
Enlaces:	Two new genera and five new species of Colpurini are described from New Guinea and illustrated. The new taxa are as follows: Heydonhygia n. gen. containing H. lata n. sp. from Papua New Guinea, H. mucronata n. sp. from Indonesian…
Fecha:	2013-11-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

25.

The artist teacher as reflective practitioner
Thornton, Alan

Formato:	Article
Enlaces:	In this article it is argued that in order to be an effective artist teacher it is helpful to be a reflective practitioner. Initially a working definition of the artist teacher is formulated and the artist teacher scheme that has…
Fecha:	2011-04-28
Recurso:	Anglia Ruskin University

Recurso libre

26.

The (un)intended outcome of public sector performance measurement
Adcroft, Andy - Willis, Robert

Formato:	Article
Enlaces:	Purpose: To consider the extent to which regimes of performance measurement in the public sector are fit for purpose, and the likely outcomes for public services and public sector workers of such performance measurement systems. Design/methodology/approach: The article…
Fecha:	2011-05-24
Recurso:	Anglia Ruskin University

Recurso libre

27.

Spherical layout layout for 3D graph visualization
Larrea, Martín Leonardo

Formato:	Articulo, Revision
Enlaces:	The goal of this work was centered in the graph visualization. The hope is that the extra dimension would give, literally, more space, and that this would ease the problem of displaying large structures. In spite of their apparent simplicity,…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

Sistema basado en redes neuronales digitales aplicado a la predicción climática en ambientes con microclima controlado
Tosini, Marcelo Alejandro

Formato:	Articulo, Revision
Enlaces:	This thesis describes the design, implementation and evaluation of FPGA Architecture of a Digital ANN (Artificial Neural Networks) by using four components: data memory, weights memory, neuron module, and control unit. All these components have a generic orthogonal structure in…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Disjoint multipath routing for mobile ad hoc networks
Abbas, Ash Mohammad

Formato:	Articulo, Revision
Enlaces:	In this thesis, we emphasized the need to use multiple node-disjoint paths between a given source and destination. The use of node-disjoint paths not only allows different paths to share the trafﬁc, but also provides fault-tolerance to some extent. However,…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Feedback scheduling of real-time control systems with resource constraints
Xia, Feng

Formato:	Articulo, Revision
Enlaces:	This thesis observes the emerging trend of convergence of control with computing and communication. By exploiting control and scheduling codesign, we study some practical and open problems in RTCSs from a unique viewpoint of dynamic resource management. Considering constraints on…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Frontiers and frontlines: metaphors describing lecturers’ attitudes to ICT adoption
Gilbert, Jenny - Kelly, Rebecca

Formato:	Article
Enlaces:	This paper explores the assimilation gap, the gap between the acquisition of a technology and its deployment, in higher education teaching. The relevant literature covers three themes: technology diffusion, the technology acceptance model and task-technology fit. To explore the significance…
Fecha:	2011-04-28
Recurso:	Anglia Ruskin University

Recurso libre

32.

Internationalisation process, SMEs and transitional economies: a four-country perspective
Lloyd-Reason, Lester - Damyanov, Atanas - Nicolescu, Ovidiu - Wall, Stuart

Formato:	Article
Enlaces:	This paper is based on a research project which has, on the demand side, investigated how entrepreneurs at the head of small and medium sized, domestically owned private enterprises are coping with the problem of internationalising their business operations within…
Fecha:	2011-05-24
Recurso:	Anglia Ruskin University

Recurso libre

33.

A new dicrocoeliid (Digenea: Dicrocoeliinae) parasite of rodents from Tlaxcala, Mexico.
Lamothe-Argumedo, R. - Falcon-Ordaz, J. - Garcia-Prieto, L. - Fernandez-Fernandez, J.

Formato:	Artículo
Enlaces:	Caballerolecythus ibunami n. gen., n. sp. is described from the intestine of 2 species of rodents (Liomys irroratus [Gray, 1868] and Peromyscus difficilis [Allen, 1891]) from Piñonal, El Carmen Tequexquitla, Tlaxcala state, Mexico. These specimens represent a new genus and…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

34.

A new species of Gnathostoma (Nematoda: Gnathostomatidae) in Procyon lotor hernandezii from Mexico.
Bertoni-Ruiz, F. - Garcia-Prieto, L. - Osorio-Sarabia, D.

Formato:	Artículo
Enlaces:	Gnathostoma lamothei n. sp., inhabiting the stomach of Procyon lotor hernandezii Wagler, 1831, in Tlacotalpan, Veracruz State, and Rio Sapo, Oaxaca, Mexico, is described. This new species differs from all other congeners by having the posterior half of the body…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

35.

A new species of Hysterothylacium (Nematoda: Anisakidae) parasite of Ariopsis guatemalensis (Osteichthyes: Ariidae) from Tres Palos lagoon, Mexico.
Gopar, M. L. - Osorio, D. - Garcia-Prieto, L.

Formato:	Artículo
Enlaces:	Hysterothylacium perezi; n. sp. is described from the intestine of the "cuatete" Ariopsis guatemalensis Giinther, 1864 (Osteichthyes: Ariidae),in Tres Palos,a coastal lagoon located in the Mexican Pacific basin.The new species differs from all other species of Hysterothylacium Wardand Magath ,…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

36.

A new species of Oochoristica (Eucestoda: Cyclophyllidea) parasite of Ctenosaura pectinata (Reptilia: Iguanidae) from Oaxaca, Mexico.
Arizmendi-Espinosa, M. A. - Garcia-Prieto, L. - Guillen-Hernandez, S.

Formato:	Artículo
Enlaces:	During January 2002, 3 specimens of an undescribed species of Oochoristica Lühe, 1898, were collected in Ctenosaura pectinata (Wiegmann, 1834) from Santa Mará Mixtequilla, Oaxaca, Mexico. Oochoristica leonregagnonae n. sp. differs from 71 of 82 species of the genus by…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

37.

Heteroflorum: un nuevo genero del grupo Peltophorum (Leguminosae: Caesalpinioideae: Caesalpinieae), endemico para Mexico.
Sousa-Sanchez, M.

Formato:	Artículo
Enlaces:	A new monotypic arboreal and dioecious genus, endemic to Mexico, is described and illustrated: Heteroflorum, within the Leguminosae, Caesalpinioideae, Caesalpinieae, Peltophorum species group, including the new species H. sclerocarpum from the Balsas River basin and the Mexican coastal plains of…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

38.

New species of the genus Typhlatya Creaser, 1936 (Decapoda: Atyidae) from anchialine caves in Mexico, the Bahamas and Honduras.
Alvarez, F. - liffe, T. M. - Villalobos, J. L.

Formato:	Artículo
Enlaces:	Three new species of the genus Typhlatya from anchialine caves in Mexico (T. dzilamensis), the Bahamas (T. kakuki), and Honduras (T. utilaensis) are described. Typhlatya dzilamensis is the fourth species to be described from the Yucatan Peninsula, Mexico, and is…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

39.

Six new mexican species of Bernardia (Euphorbiaceae).
Cervantes, A. - Flores-Olvera, H.

Formato:	Artículo
Enlaces:	Six new species of Bernardia from Mexico are described and illustrated. Species are distinguished by a combination of characters such as habit, leaf shape and size, indumentum, venation pattern, gland position, length of staminate inﬂorescence, number of bracts, number of…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

40.

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

41.

Short report: Evaluation of a self-detection tool for tapeworm carriers for use in public health
Flisser, A. - Vazquez-Mendoza, A. - Martinez-Ocana, J. - Gomez-Colin, E. - Leyva, RS. - Medina-Santillan, R.

Formato:	Article
Enlaces:	The current study was designed to evaluate a tool for the self-identification of tapeworm carriers. Clinical and animal health care practitioners and schoolteachers were trained regarding the life cycle, risk factors, and control measures related to infection with Taenia solium.…
Fecha:	2011-12-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

42.

Understanding cultural significance, the edible mushrooms case.
Garibay Origel, Roberto - Caballero, J - Estrada Torres, A - Cifuentes Blanco, Joaquín

Formato:	Artículo
Enlaces:	Descripción completa.
Fecha:	2013-04-11
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

43.

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

44.

Jonathan Miller's Alice In Wonderland (1966): a suitable case for treatment
McWilliam, Rohan

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2013-05-21
Recurso:	Anglia Ruskin University

Recurso libre

45.

Tenerlos en la casa: the material world and craft of family caregiving for relatives with dementia
Cuesta Benjumea, Carmen de la - Sandelowski, Margarete

Formato:	info:eu-repo/semantics/article
Enlaces:	The environment has been found to be critical to the well-being of patients with dementia. The purpose of this study was to describe strategies Colombian caregivers used in the home to manage the care of relatives with dementia. Grounded theory…
Fecha:	2011-04-13
Recurso:	RUA Docencia

Recurso libre

46.

Morphological impairments in retinal neurons of the scotopic visual pathway in a monkey model of Parkinson's disease
Cuenca Navarro, Nicolás - Herrero Ezquerro, María Trinidad - Angulo Jerez, Antonia - Juan Navarro, Emilio de - Martínez Navarrete, Gema Concepción - López Tomás, Salvador - Barcia González, Carlos - Martín Nieto, José

Formato:	info:eu-repo/semantics/article
Enlaces:	Physiological abnormalities resulting from death of dopaminergic neurons of the central nervous system in Parkinson's disease also extend to the retina, resulting in impaired visual functions. In both parkinsonian patients and animal models, low levels of dopamine and loss of…
Fecha:	2011-03-24
Recurso:	RUA Docencia

Recurso libre

47.

International Association of Geomorphologists

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2005-04-01
Recurso:	SCIELO

Recurso libre

48.

International Association of Geomorphologists

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2005-12-01
Recurso:	SCIELO

Recurso libre

49.

Editorial

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2005-03-01
Recurso:	SCIELO

Recurso libre

50.

Editorial

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2005-09-01
Recurso:	SCIELO