Simple+mente física

Qué es Simple+mente físicaDesde el curso 2002-03 llevo proponiendo en los tablones de anuncios de algunas facultades de la Universidad de Murcia (principalmente las de disciplinas científicas y técnicas) las cuestiones de física que aparecen bajo el nombre genérico de Simple+mente física. Cada semana lectiva se presenta una cuestión nueva y, al mismo tiempo, se da la solución de la cuestión anterior

Calculated energy loss of swift light ions in platinum and gold: importance of the target electronic excitation spectrum

Understanding and predicting the energy loss of swift ions in metals is important for many applications of charged particle beams, such as analysis and modification of materials, and recently for modelling metal nanoparticle radiosensitisation in ion beam cancer therapy. We have calculated the stopping power of the transition metals Pt and Au for protons and alpha particles in a wide energy range, using the dielectric formalism, which realistically accounts for the excitation spectrum of each metal through the Mermin Energy Loss Function - Generalised Oscillator Strength methodology. For each combination of projectile, energy and target, we have considered: (i) the equilibrium charge state of the projectile through the target, (ii) the energy-loss due to electron capture and loss processes, and (iii) the energy loss resulting from the polarisation of the projectile's electronic cloud due to the self-induced electric field. Our calculated stopping powers show a fairly good agreement with the available experimental data for platinum and gold, particularly the most recent ones around the stopping power maximum, which validates the methodology we have used to be further extended to other transition metals. For the materials studied (platinum and gold), two commonly used and different sources of the experimental excitation spectrum yield comparable calculated stopping powers and mean excitation energies, the latter being closer to the most recent data provided in a recent ICRU Report than to previous compilations. Despite the small differences in the sources of excitation spectra of these metals, they lead to practically the same stopping power results as far as they reproduce the main excitation features of the material and fulfil physically motivated sum rules.Comment: 7 pages, 2 figure

El papel del project manager en el desarrollo de proyectos universitarios multidisciplinares: Aplicación de Métrica 3 al Proyecto SIVIT

El Proyecto SIVIT tiene como objetivo el desarrollo de un sistema de información destinado a orientar a los usuarios en el territorio mediante un entorno de realidad virtual, y constituye un proyecto de innovación de gran envergadura en el ámbito de las TIC. Para su ejecución, se ha constituido un equipo multidisciplinar formado por grupos de investigación de tres Escuelas de Ingeniería de la UPM, distribuyéndose el trabajo según sus diferentes áreas de conocimiento. En este contexto, la figura del Project Manager es fundamental dada la gran amplitud del Proyecto y el hecho de que esté constituido por subproyectos de características específicas. Esto exige emplear una metodología flexible, que permita su adaptación a cada subproyecto mediante planificaciones interdependientes, por lo que se ha adoptado la metodología METRICA 3, desarrollada por el Ministerio de Administraciones Públicas. Se complementa esta metodología con el uso de herramientas comerciales de mapeado de la información (mapas mentales), así como de comunicación y colaboración (servidores de información). Igualmente, se integra en la planificación la aplicación del método de gestión del valor ganado (Earned Value Method) para una mayor eficiencia de cara a futuros proyectos en esta línea de investigació

Semantic Approach for Discovery and Visualization of Academic Information Structured with OAI-PMH

There are different channels to communicate the results of a scientific research; however, several research communities state that the Open Access (OA) is the future of acad emic publishing. These Open Ac cess Platforms have adopted OAI - PMH (Open Archives Initiative - the Protocol for Metadata Harvesting) as a standard for communication and interoperability. Nevertheless, it is significant to highlight that the open source know ledge discovery services based on an index of OA have not been developed. Therefore, it is necessary to address Knowledge Discovery (KD) within these platforms aiming at studen ts, teachers and/ or researchers , to recover both , the resources requested and th e resources that are not explicitly requested – which are also appropriate . This objective represents an important issue fo r structured resources under OAI - PMH. This fact is caused because interoperability with other developments carried out outside their implementation environment is generally not a priority (Level 1 "Shared term definitions"). It is here , where the Semantic Web (SW) beco mes a cornerstone of this work. Consequently, we propose OntoOAIV, a semantic approach for the selective knowledge disco very an d visu alization into structured information with OAI - PMH, focused on supporting the activities of scientific or academic research for a specific user. Because of the academic nature of the structured resources with OAI - PMH, the field of application chosen is the context information of a student. Finally, in order to validate the proposed approach, we use the RUDAR (Roskilde University Digital Archive) and REDALYC (Red de Revistas Científicas de América Latina y el Caribe, España y Portugal) repositor ies, which imple ment the OAI - PMH protocol , as well as one s tudent profile for carrying out KD

Timed mind maps using MINDMANAGER & MS-PROJECT for educational innovation

The adaptation to the European Higher Education Area (EHEA) is becoming a great challenge for the University Community, especially for its teaching and research staff, which is involved actively in the teaching-learning process. It is also inducing a paradigm change for lecturers and students. Among the methodologies used for processes of teaching innovation, system thinking plays an important role when working mainly with mind maps, and is focused to highlighting the essence of the knowledge, allowing its visual representation. In this paper, a method for using these mind maps for organizing a particular subject is explained. This organization is completed with the definition of duration, precedence relationships and resources for each of these activities, as well as with their corresponding monitoring. Mind maps are generated by means of the MINDMANAGER package whilst Ms-PROJECT is used for establishing tasks relationships, durations, resources, and monitoring. Summarizing, a procedure and the necessary set of applications for self organizing and managing (timed) scheduled teaching tasks has been described in this paper