11,698 research outputs found
Disseny d'un tauler de joc per impartir la prevenció de riscos laborals
Els següent treball anomenat Disseny d'un tauler de joc per impartir la prevenció de riscos laborals descriu la solució buscada a impartir una assignatura considerada poc interessant tant per l’alumnat com pels professors que la imparteixen i transformar-la en una classe divertida on els alumnes gaudeixin aprenent.
Per aconseguir aquest fi he dissenyat un prototip, ja portat a la pràctica, i descric les principals característiques.
També es fa una revisió al concepte de gamificació i les definicions d’alguns experts en la matèri
BRIKEN measurements of half-lives for Ce to Nd nuclei relevant for the formation of the r-process rare-earth peak (A~160)
The Rare Earth Peak (REP) is a small, but clearly distinctive, peak around mass A 160
in the elemental solar system abundances created by the rapid neutron-capture process (r
process).
Understanding the REP formation o ers a unique probe for the study of the late
times environmental conditions in the r-process site. According to theoretical models, half
lives
(
T1=2
2) and beta-delayed neutron emission probabilities
(Pn
) play an important role on
the formation of the REP.Universidad de Sevilla. Máster Universitario Física Nuclea
Attitudes of undergraduate nursing students to cultural diversity: (Portuguese-Spanish) in a transboundary context.
Our main goal was to identify the attitudes of nursing students to cultural diversity in a healthcare setting, and find the potential relationship between this and the students' national background and their knowledge of cultural diversity. A descriptive observational study comparing two culturally different populations within a cross-border area (Algarve-Huelva) was conducted. The attitudes of the participants were measured across six categories: this study will describe the most significant ones. The cultural context is essential to the development of attitudes to immigration. Nursing care is a communicative act and encountering the "other" the core of the nursing professionals' work. (C) 2017 The Authors. Published by Elsevier Ltd
Online Store Locator: An Essential Resource for Retailers in the 21st Century
Most retailers use their websites and social media to increase their visibility, while potential customers get information about these retailers using the Internet on electronic devices. Many papers have previously studied online marketing strategies used by retailers, but little attention has been paid to determine how these companies provide information through the Internet about the location and characteristics of their stores. This paper aims to obtain evidence about the inclusion of interactive web maps on retailers’ websites to provide information about the location of their stores. With this purpose, the store locator interactive tools of specialty retailers’ websites included in the report “Global Powers of Retailing 2015” are studied in detail using different procedures, such as frequency analysis and word clouds. From the results obtained, it was concluded that most of these firms use interactive maps to provide information about their offline stores, but today some of them still use non-interactive (static) maps or text format to present this information. Moreover, some differences were observed among the search filters used in the store locator services, according to the retailer’s specialty. These results provided insight into the important role of online store locator tools on retailers’ websites
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Oxynitride glasses
The present work is a review of the numerous nitridation experiments which have been carried out in different glass forming Systems. After a brief introduction to the topic of the solubility of nitrogen in glass melts, the nitridation procedures and the different ways of incorporating nitrogen into the glass network are described. Also considered is the increasing cross-linking structure due to the incoφOΓation of nitrogen. This involves a rise of the transition temperature, a decrease of the thermal expansion coefficient, and an improvement of the mechanical properties as well as of the chemical durability of the oxynitride glasses, depending closely on the nitrogen content. Some experiments on preparation of oxynitride glasses via the sol-gel procedure are also described. Due to their properdes the oxynitride glasses have been employed in several specific technical fields
A machine learning approach to pedestrian detection for autonomous vehicles using High-Definition 3D Range Data
This article describes an automated sensor-based system to detect pedestrians in an autonomous vehicle application. Although the vehicle is equipped with a broad set of sensors, the article focuses on the processing of the information generated by a Velodyne HDL-64E LIDAR sensor. The cloud of points generated by the sensor (more than 1 million points per revolution) is processed to detect pedestrians, by selecting cubic shapes and applying machine vision and machine learning algorithms to the XY, XZ, and YZ projections of the points contained in the cube. The work relates an exhaustive analysis of the performance of three different machine learning algorithms: k-Nearest Neighbours (kNN), Naïve Bayes classifier (NBC), and Support Vector Machine (SVM). These algorithms have been trained with 1931 samples. The final performance of the method, measured a real traffic scenery, which contained 16 pedestrians and 469 samples of non-pedestrians, shows sensitivity (81.2%), accuracy (96.2%) and specificity (96.8%).This work was partially supported by ViSelTR (ref. TIN2012-39279) and cDrone (ref. TIN2013-45920-R) projects of the Spanish Government, and the “Research Programme for Groups of Scientific Excellence at Region of Murcia” of the Seneca Foundation (Agency for Science and Technology of the Region of Murcia—19895/GERM/15). 3D LIDAR has been funded by UPCA13-3E-1929 infrastructure projects of the Spanish Government. Diego Alonso wishes to thank the Spanish Ministerio de Educación, Cultura y Deporte, Subprograma Estatal de Movilidad, Plan Estatal de Investigación Científica y Técnica y de Innovación 2013–2016 for grant CAS14/00238
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