Search results for "arl"
showing 10 items of 5319 documents
Tutorial Action in Small Groups: An Educational Experience With University Students
2016
Resumen:En el presente estudio se plantean tres objetivos. El primero, describir las principales características de un programa de acción tutorial desarrollado en una asignatura de una facultad de formación de profesorado. El segundo, determinar la valoración del grado de importancia que el estudiantado otorga a un grupo de competencias transversales y el grado de conocimiento sobre aspectos relacionados con la metodología de investigación durante el proceso de acción tutorial. El tercero, discutir el papel que juega la acción tutorial en la formación universitaria dentro del nuevo espacio europeo de educación superior. La experiencia se desarrolló en el curso académico 2014-2015. Participa…
Simulations and measurements of beam loss patterns at the CERN Large Hadron Collider
2014
The CERN Large Hadron Collider (LHC) is designed to collide proton beams of unprecedented energy, in order to extend the frontiers of high-energy particle physics. During the first very successful running period in 2010-2013, the LHC was routinely storing protons at 3.5-4 TeV with a total beam energy of up to 146 MJ, and even higher stored energies are foreseen in the future. This puts extraordinary demands on the control of beam losses. An uncontrolled loss of even a tiny fraction of the beam could cause a superconducting magnet to undergo a transition into a normal-conducting state, or in the worst case cause material damage. Hence a multistage collimation system has been installed in ord…
Plan S: challenges and opportunities in Spain
2019
Spain is one of the most active European countries in the open access (OA) movement. Although the gold route has scarcely been used, the green route has been intensively implemented through fulfilment of European and national mandates and the development of institutional policies. Plan S is becoming a disruptive element in the context of scientific communication, and Spain’s possible adherence to Plan S could imply technical challenges in journals and repositories, additional costs that are difficult to estimate, or refusal to accept the Plan on the part of researchers (based on the loss of freedom to choose the journal in which to publish). However, the implementation of Plan S in Spain wo…
Characterization of particle morphology of biochanin A molecularly imprinted polymers and their properties as a potential sorbent for solid-phase ext…
2014
Abstract Molecularly imprinted polymers (MIPs) with biochanin A as a template were obtained using a bulk polymerization with non-covalent imprinting approach. The polymers were prepared in acetonitrile as porogen, using ethylene glycol dimethacrylate (EDMA) as cross-linking agent. The synthesis, with an application of 1′,1′-azobis(cyclohexanecarbonitrile) (ACHN) as an initiator, has been performed thermally. During the synthesis process the effect of different functional monomers such as methacrylic acid (MAA), acrylamide (AA) and 4-vinylpyridine (4-VP) was investigated. The application of nitrogen sorption porosimetry, scanning electron microscopy (SEM), and Fourier transform infrared spec…
Osseotite caricati a due mesi nei settori posteriori del mascellare superiore: controllo a 2 anni di due casi clinici
2003
Aim Acid etched surface implants determine high clinical success rates, but little information is available about early loading in the posterior region of the maxilla, area at risk of failure. The aim of this work is to present two case reports of oral rehabilitation through acid etched surface implants (Osseotite, Implant Innovations - 3i, West Palm Beach, FL) loaded two months after insertion in the posterior maxilla. Materials and methods The success of Osseotite implants was assessed 12 and 24 months after prosthetic loading according to Albrektsson et al. criteria (1986). Results No clinical or radiographic signs of implant failure were observed during the two years follow-up. Conclusi…
Los modismos en el lenguaje patológico
2012
En este trabajo me centro en el análisis de los modismos en contraste con otros tipos de lenguaje no literal, como la ironía, la metáfora, el sarcasmo, los refranes, etc. Esta distinción refleja el hecho de que el significado idiomático, basado en implicaturas de tipo convencional, no puede ser como un significado figurado que depende de las inferencias que un hablante hace a partir de un acto de habla indirecto. Comienzo con una discusión sobre las propiedades sintácticas y semánticas que caracterizan a los modismos y las principales hipótesis que se han propuesto para explicar el modo en que los hablantes procesan este tipo de expresiones. El principal objetivo de este trabajo es valorar …
Interacción y predictibilidad: los intercambios conversacionales con hablantes con demencia tipo alzhéimer
2014
El déficit comunicativo que afecta a las personas con demencia tipo alzhéimer (DTA) ha sido poco estudiado desde una perspectiva interaccional. Normalmente, se han analizado las habilidades lingüísticas de estos hablantes sin tener en cuenta las restricciones comunicativas impuestas por el interlocutor. En este trabajo estudiamos nueve conversaciones en las que participa una persona con DTA a partir del análisis de los tipos de pregunta y los tipos de respuesta que emite cada hablante. Los resultados muestran que el porcentaje de respuestas inapropiadas por parte de la persona con DTA aumenta con la progresión de la enfermedad y es mayor tras una pregunta de tipo abierto que tras una pregun…
Rasgos prosódicos de la emoción : estudio de un corpus conversacional
2020
The present study describes some melodic peculiarities of emotional speech through a conversational corpus (3 colloquial conversations of the corpus Val.Es.Co.: C13 / H25A1 / H97A1) where different emotional values are expressed. As a reference point, we start from Plutchik's star (1980), with 8 basic emotions (joy, confidence, fear, surprise, sadness, displeasure, anger and anticipation-interest) and given the limited character of our corpus we have reduced to 5 the emotions studied (joy, sadness, anger, fear and surprise) according to those that have appeared. The selected prosodic marks, according to previous research are the contour of the melodic pattern, associated to the final inflec…
IMPAIRED ALLOCENTRIC SPATIAL MEMORY UNDERLYNG TOPOGRAPHICAL DISORIENTATION
2006
The cognitive processes supporting spatial navigation are considered in the context of a patient (CF) with possible very early Alzheimer's disease who presents with topographical disorientation. Her verbal memory and her recognition memory for unknown buildings, landmarks and outdoor scenes was intact, although she showed an impairment in face processing. By contrast, her navigational ability, quantitatively assessed within a small virtual reality (VR) town, was significantly impaired. Interestingly, she showed a selective impairment in a VR object-location memory test whenever her viewpoint was shifted between presentation and test, but not when tested from the same viewpoint. We suggest t…
Integrated simulation and optimization models for tracking international fixed income indices
2001
Portfolio managers in the international fixed income markets must address jointly the interest rate risk in each market and the exchange rate volatility across markets. This paper develops integrated simulation and optimization models that address these issues in a common framework. Monte Carlo simulation procedures generate jointly scenarios of interest and exchange rates and, thereby, scenarios of holding period returns of the available securities. The portfolio manager’s risk tolerance is incorporated either through a utility function or a (modified) mean absolute deviation function. The optimization models prescribe asset allocation weights among the different markets and also resolve b…