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Aproximadamente 10576 registro(s) hasta el momento: (journal)

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Recurso libre

10551.

Morphological and reproductive variation among populations of the Pacific molly Poecilia butleri
Zúñiga-Vega, José Jaime - Suárez-Rodríguez, M - Espinosa-Pérez, H - Johnson, JB

Formato:	Article
Enlaces:	In viviparous organisms, pregnant females typically experience an increase in body mass and body volume. In this study, the prediction that variation in reproductive traits among populations of viviparous organisms should be related to variation among populations in body shape…
Fecha:	2013-04-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

10552.

Nanonization of megestrol acetate by laser fragmentation in aqueous milieu
Sylvestre, Jean-Philippe - Tang, Marie-Christine - Furtos, Alexandra - Leclair, Grégoire - Meunier, Michel - Leroux, Jean-Christophe

Formato:	Article
Enlaces:	Nanonization is a simple and effective method to improve dissolution rate and oral bioavailability of drugs with poor water solubility. There is growing interest to downscale the nanocrystal production to enable early preclinical evaluation of new drug candidates when compound…
Fecha:	2013-05-01
Recurso:	Université de Montreal

Recurso libre

10553.

Development of a unified FDTD-FEM library for electromagnetic analysis with CPU and GPU computing
Francés Monllor, Jorge - Bleda Pérez, Sergio - Gallego Rico, Sergi - Neipp López, Cristian - Márquez Ruiz, Andrés - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	The present paper describes an optimized C++ library for the study of electromagnetics. The implementation is based on the Finite-Difference Time-Domain method for transient analysis, and the Finite Element Method for electrostatics. Both methods share the same core and are…
Fecha:	2013-05-07
Recurso:	RUA Docencia

Recurso libre

10554.

Enhanced metric regularity and Lipschitzian properties of variational systems
Aragón Artacho, Francisco Javier - Mordukhovich, Boris S.

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper mainly concerns the study of a large class of variational systems governed by parametric generalized equations, which encompass variational and hemivariational inequalities, complementarity problems, first-order optimality conditions, and other optimization-related models important for optimization theory and applications. An…
Fecha:	2013-06-19
Recurso:	RUA Docencia

Recurso libre

10555.

Cross-category demand effects of price promotions
Leeflang, Peter S.H. - Parreño Selva, Josefa

Formato:	info:eu-repo/semantics/article
Enlaces:	Do promotions in a certain category lead to higher revenues in other categories? If so, to what degree? The answers to these questions are highly relevant for retailers that supply products in different categories. Empirical findings in studies that consider…
Fecha:	2013-10-17
Recurso:	RUA Docencia

Recurso libre

10556.

Is SGR 0418+5729 indeed a waning magnetar?
Turolla, Roberto - Zane, Silvia - Pons Botella, José Antonio - Esposito, Paolo - Rea, Nanda

Formato:	info:eu-repo/semantics/article
Enlaces:	SGR 0418+5729 is a transient soft gamma-ray repeater which underwent a major outburst in 2009 June, during which the emission of short bursts was observed. Its properties appeared quite typical of other sources of the same class until long-term X-ray…
Fecha:	2013-11-14
Recurso:	RUA Docencia

Recurso libre

10557.

Effect of the size of the pupae, adult diet, oviposition substrate and adult population density on egg production in Musca domestica (Diptera: Muscidae)
Pastor Monllor, Berta - Čičková, Helena - Kozánek, Milan - Martínez Sánchez, Ana Isabel - Takáč, Peter - Rojo Velasco, Santos

Formato:	info:eu-repo/semantics/article
Enlaces:	In order to enhance the mass production of the house fly, Musca domestica, five aspects of its oviposition biology were analyzed. Oviposition substrate and the manner of its presentation, the composition of the diet of the adults, size of the…
Fecha:	2013-11-29
Recurso:	RUA Docencia

Recurso libre

10558.

Game rhythm and stoppages in soccer: a case study from Spain
Hernández Moreno, José - Gómez Rijo, Antonio - Castro, Ulises - González Molina, Antonio - Quiroga, Miriam E. - González Romero, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	The purpose of this paper was to quantify and analyze the participation/pause game times and stoppages of 11-a-side soccer. A total of 617 players of 44 Spanish men's teams and 33 matches of the 2007/08 and 2008/09 men's soccer players…
Fecha:	2012-01-04
Recurso:	RUA Docencia

Recurso libre

10559.

Effects of combined electrostimulation and plyometric training on vertical jump and speed tests
Benito Martínez, Elisa - Lara Sánchez, Amador J. - Berdejo del Fresno, Daniel - Martínez López, Emilio J.

Formato:	info:eu-repo/semantics/article
Enlaces:	The aim of this study was to determine the performance evolution of a group of athletes after 8 weeks of training that combined electrostimulation (NM ES) and plyometrics (PT). 78 medium level sprinter athletes participated, 40 women and 38 men…
Fecha:	2012-01-04
Recurso:	RUA Docencia

Recurso libre

10560.

The comparison of competitive balance in Football Premier Leagues of England, Germany, Spain, France, Italy and Iran: a case study from 2009-2010 Season
Naghshbandi, Salah - Yousefi, Bahram - Etemad, Zaher - Moradi, Mehdi

Formato:	info:eu-repo/semantics/article
Enlaces:	Most sports are attractive because they are almost unpredictable. The more the competitiveness of league teams, the harder to predict the games and as a result, that league will be more attractive. Competitive balance refers to the balance in sport…
Fecha:	2012-01-11
Recurso:	RUA Docencia

Recurso libre

10561.

Evaluation of hybrid and distance education learning environments in Spain
Ferrer Cascales, Rosario Isabel - Walker, Scott L. - Reig Ferrer, Abilio - Fernández Pascual, María Dolores - Albaladejo Blázquez, Natalia

Formato:	info:eu-repo/semantics/article
Enlaces:	This article describes the adaptation and validation of the Distance Education Learning Environments Survey (DELES) for use in investigating the qualities found in distance and hybrid education psycho-social learning environments in Spain. As Europe moves toward post-secondary student mobility, equanimity…
Fecha:	2012-11-06
Recurso:	RUA Docencia

Recurso libre

10562.

Inelastic scattering of electron and light ion beams in organic polymers
Vera Gomis, Pablo de - Abril Sánchez, Isabel - García Molina, Rafael

Formato:	info:eu-repo/semantics/article
Enlaces:	We have calculated the inelastic mean free path, stopping power, and energy-loss straggling of swift electron, proton, and α-particle beams in a broad incident energy range in four organic polymers: poly(methyl methacrylate) (PMMA), Kapton, polyacetylene (PA), and poly(2-vinylpyridine) (P2VP). These…
Fecha:	2012-11-29
Recurso:	RUA Docencia

Recurso libre

10563.

Simple model of bulk and surface excitation effects to inelastic scattering in low-energy electron beam irradiation of multi-walled carbon nanotubes
Kyriakou, Ioanna - Emfietzoglou, Dimitris - García Molina, Rafael - Abril Sánchez, Isabel - Kostarelos, Kostas

Formato:	info:eu-repo/semantics/article
Enlaces:	The effect of bulk and surface excitations to inelastic scattering in low-energy electron beam irradiation of multi-walled carbon nanotubes (MWNTs) is studied using the dielectric formalism. Calculations are based on a semiempirical dielectric response function for MWCNTs determined by means…
Fecha:	2012-11-29
Recurso:	RUA Docencia

Recurso libre

10564.

Tropical montane cloud forests: current threats and opportunities for their conservation and sustainable management in Mexico
Toledo-Aceves, T - Meave del Castillo, Jorge Arturo - González-Espinosa, M - Ramírez-Marcial, N

Formato:	Article
Enlaces:	Tropical montane cloud forests (TMCF) are among the most threatened ecosystems globally in spite of their high strategic value for sustainable development due to the key role played by these forests in hydrological cycle maintenance and as reservoirs of endemic…
Fecha:	2012-10-03
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

10565.

Bcl-xL deamidation in oncogenic tyrosine kinase signalling
Zhao, Rui

Formato:	Thesis
Enlaces:	I have been interested in the molecular mechanisms of Haematopoietic malignant diseases such as leukaemia and lymphoma, especially those involving oncogenic tyrosine kinases. About 30 of the 90 tyrosine kinases in the human genome have been implicated in cancer (Blume-Jensen…
Fecha:	2012-02-29
Recurso:	Anglia Ruskin University

Recurso libre

10566.

Tenir l'évanouissement : entre maîtrise intégrale et abandon anéantissant : Jean Genet et Antonin Artaud
Lane, Véronique

Formato:	Thèse ou Mémoire numérique / Electronic Thesis or Dissertation
Enlaces:	Antonin Artaud et Jean Genet ont respectivement connu l’enfermement asilaire et carcéral. Ils conçoivent tous les deux l’écriture comme le théâtre, sur le même plan que la vie, et partagent en outre la même conviction que la littérature, comme toute…
Fecha:	2012-05-15
Recurso:	Université de Montreal

Recurso libre

10567.

Cancer mortality inequalities in urban areas: a Bayesian small area analysis in Spanish cities
Puigpinós-Riera, Rosa - Marí-Dell'Olmo, Marc - Gotsens, Mercè - Borrell, Carme - Serral, Gemma - Ascaso, Carlos - Calvo, Montse - Daponte, Antonio - Domínguez Berjón, María Felicitas - Esnaola, Santiago - Gandarillas, Ana - López-Abente, Gonzalo - Martos, Carmen - Martínez-Beneito, Miguel A. - Montes-Martínez, Agustín - Montoya, Imanol - Nolasco Bonmatí, Andreu - Pasarín, Isabel M. - Rodríguez-Sanz, Maica - Sáez, Marc - Sánchez-Villegas, Pablo

Formato:	info:eu-repo/semantics/article
Enlaces:	Background: Intra-urban inequalities in mortality have been infrequently analysed in European contexts. The aim of the present study was to analyse patterns of cancer mortality and their relationship with socioeconomic deprivation in small areas in 11 Spanish cities. Methods: It…
Fecha:	2013-10-15
Recurso:	RUA Docencia

Recurso libre

10568.

Astrophysical parameters of LS 2883 and implications for the PSR B1259-63 gamma-ray binary
Negueruela Díez, Ignacio - Ribó, Marc - Herrero, Artemio - Lorenzo, Javier - Khangulyan, Dmitry - Aharonian, Felix A.

Formato:	info:eu-repo/semantics/article
Enlaces:	Only a few binary systems with compact objects display TeV emission. The physical properties of the companion stars represent basic input for understanding the physical mechanisms behind the particle acceleration, emission, and absorption processes in these so-called gamma-ray binaries. Here…
Fecha:	2013-11-13
Recurso:	RUA Docencia

Recurso libre

10569.

The Canada-France Ecliptic Plane Survey—full data release: the orbital structure of the Kuiper Belt
Petit, Jean-Marc - Kavelaars, J. John - Gladman, Brett J. - Jones, R. Lynne - Parker, Joel Wm. - Van Laerhoven, Christa - Nicholson, Phil - Mars, Gilbert - Rousselot, Philippe - Mousis, Olivier - Marsden, Brian - Bieryla, Allyson - Taylor, Matthew - Ashby, Matthew L.N. - Benavídez, Paula Gabriela - Campo Bagatín, Adriano - Bernabeu Pastor, José Guillermo

Formato:	info:eu-repo/semantics/article
Enlaces:	We report the orbital distribution of the trans-Neptunian objects (TNOs) discovered during the Canada-France Ecliptic Plane Survey (CFEPS), whose discovery phase ran from early 2003 until early 2007. The follow-up observations started just after the first discoveries and extended until…
Fecha:	2013-11-13
Recurso:	RUA Docencia

Recurso libre

10570.

Sampling scarab beetles in tropical forests: the effect of light source and night sampling periods
García López, Alejandra - Micó Balaguer, Estefanía - Zumbado, Manuel A. - Galante Patiño, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	Light traps have been used widely to sample insect abundance and diversity, but their performance for sampling scarab beetles in tropical forests based on light source type and sampling hours throughout the night has not been evaluated. The efficiency of…
Fecha:	2013-11-26
Recurso:	RUA Docencia

Recurso libre

10571.

Some activities on educational technology innovation in Physics, optics and telecommunications
Arribas Garde, Enrique - Beléndez Vázquez, Augusto - Nájera López, Alberto - Márquez Ruiz, Andrés - Villalba Montoya, José Manuel - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Francés Monllor, Jorge - Álvarez López, Mariela Lázara - Neipp López, Cristian - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	The use of innovative technologies in education offers new possibilities that complement classroom teaching and may also help to improve the quality of education, enabling students to actively participate in the learning process. With this in mind, in 2009 the…
Fecha:	2012-10-01
Recurso:	RUA Docencia

Recurso libre

10572.

Un marco teórico para analizar el sesgo de género en la investigación epidemiológica: haciendo visible lo invisible, A theoretical framework for analyse gender bias in epidemiological research: making visible the invisible
Chilet Rosell, Elisa

Formato:	info:eu-repo/semantics/review
Enlaces:	El diseño y el análisis de las investigaciones pueden causar errores sistemáticos producidos por la insensibilidad de género y el androcentrismo. Los sesgos de género en investigación pueden ser definidos como una aproximación sistemáticamente errónea dependiente de la perspectiva de…
Fecha:	2012-12-04
Recurso:	RUA Docencia

Recurso libre

10573.

A reassessment of traditional lexicographical tools in the light of new corpora: sports Anglicisms in Spanish
Balteiro Fernández, Isabel

Formato:	info:eu-repo/semantics/article
Enlaces:	There is no question nowadays as to the international and powerful status of English at a global scale and, consequently, as to its presence in non-English speaking countries at different levels. Linguistically speaking, English is one of the languages which…
Fecha:	2012-12-14
Recurso:	RUA Docencia

Recurso libre

10574.

Análisis comparativo sobre las actitudes de los estudiantes hacia sus compañeros con discapacidad, Comparative analysis of students' attitudes toward their classmates with disabilities
Suriá Martínez, Raquel

Formato:	info:eu-repo/semantics/article
Enlaces:	Introducción. Desde el ámbito educativo se ha incrementado el interés hacia la integración del alumnado con discapacidad, siendo las actitudes hacia este colectivo uno de los aspectos de estudio más relevantes. Así, aunque existe en nuestro país una gran cantidad…
Fecha:	2013-01-15
Recurso:	RUA Docencia

Recurso libre

10575.

Temporal patterns of memory source incorporations into dreams and their relationships to dreamed locus of control
Solomonova, Elizaveta

Formato:	Thèse ou Mémoire numérique / Electronic Thesis or Dissertation
Enlaces:	Les incorporations des mémoires épisodiques dans les rêves apparaissent en formes fragmentées et suivent un modèle temporel distinct qui suit une courbe sinusoïdale. Ce modèle est caractérisé par les incorporations immédiates, qui apparaissent 1-2 jours après l’événement (effet de résidus…
Fecha:	2012-03-26
Recurso:	Université de Montreal

Recurso libre

10576.

Biostratigraphy and paleobiogeographic affinities of the Jurassic brachiopod assemblages from Sierra Espuña (Maláguide Complex, Internal Betic Zones, Spain), Bioestratigrafía y afinidades paleobiogeográficas de las asociaciones de braquiópodos jurásicos de Sierra Espuña (Maláguide, Zonas Internas Béticas, España)
Baeza Carratalá, José Francisco - García Joral, Fernando - Tent Manclús, José Enrique

Formato:	info:eu-repo/semantics/article
Enlaces:	The assemblages of Early Jurassic brachiopods (Pliensbachian - Toarcian) from Sierra Espuña (Murcia Province, SE Spain) are described. This is the only area in the Internal Zones of the Betic Cordillera, corresponding to the margins of the Alborán Terrane, where…
Fecha:	2013-06-28
Recurso:	RUA Docencia