Search results for "ACC"
showing 10 items of 15276 documents
Demo 100. Atracción electrostática con vidrio y plástico
2013
Objetivo: Mostrar la atracción o repulsión entre cargas eléctricas.
Demo 13. Atracción y repulsión electrostática con cintas adhesivas
2013
Objetivo: Mostrar la atracción y repulsión de cargas eléctricas.
Demo 79. Varita electrostática (Van der Graaff portátil)
2013
Objetivo: Demostrar distintos fenómenos relacionados con la electrostática.
Intellectual Capital Reporting in the Italian Nonprofit Sector. An Image-Building or an Accountability Tool?
2014
Abstract The purpose of this article is to analyze intellectual capital (IC) measurement, management, and reporting practices at organizational level, with the aim to address a relevant research question: are IC reports used as accountability or as image-building tools? The article presents a single in-depth case study of an Italian nonprofit organization (NPO) which has been measuring and reporting its IC for several years. The research project was conducted using an interpretative approach, by analyzing organizational IC reports in the light of a framework, derived from corporate social responsibility (CSR) and IC literature, able to provide researchers with useful insights to interpret t…
LES PUBLICATIONS FRANCAISES EN COMPTABILITE ET CONTROLE DE GESTION SUR LA PERIODE 1994-2003 : UN ETAT DES LIEUX
2005
This study provides results about the French academic production in Financial and Management Accounting. We focus on the most productive authors and institutions and the most influential French scholars. It also relates to the academic journals to evaluate their influence. This study is based on the articles published in the four main French academic journals (Comptabilité Contrôle Audit ; Finance Contrôle Stratégie ; Revue Française de Gestion ; Sciences de Gestion/Economies et Sociétés), between 1994 and 2003 (a ten-year period) and the academic cited works in these articles.
The Car Resequencing Problem with Pull-Off Tables
2011
AbstractThe car sequencing problem determines sequences of different car models launched down a mixed- model assembly line. To avoid work overloads of workforce, car sequencing restricts the maximum occurrence of labor-intensive options, e.g., a sunroof, by applying sequencing rules. We consider this problem in a resequencing context, where a given number of buffers (denoted as pull-off tables) is available for rearranging a stirred sequence. The problem is formalized and suited solution procedures are developed. A lower bound and a dominance rule are introduced which both reduce the running time of our graph approach. Finally, a real-world resequencing setting is investigated.
Estudio del potencial patógeno de cepas de Saccharomyces cerevisiae aisladas de suplementos dietéticos y probióticos
2012
La levadura Saccharomyces cerevisiae es la especie más utilizada desde un punto de vista biotecnológico. Además, se emplea como suplemento dietético y como agente probiótico bajo el nombre de S. cerevisiae var. boulardii. Hasta ahora, su consumo se había considerado beneficioso por sus propiedades biofuncionales y su valor nutritivo intrínseco, y por otra parte, seguro, dado el carácter “GRAS” (de Generally Recognized As Safe) que se atribuye a esta especie de levadura; sin embargo, actualmente se considera a S. cerevisiae dentro del grupo de patógenos oportunistas emergentes de baja virulencia, capaz de causar infecciones principalmente en hospedadores inmunodeprimidos. Con el fin de conoc…
La acción social en los tiempos de la calidad y el management. Un diagnóstico desde la mirada del Trabajo Social
2022
El Tercer Sector de Acción Social (TSAS) se constituye como un agente imprescindible en la provisión de bienestar a la ciudadanía. Sus prácticas deben alcanzar las cotas de calidad más altas posibles. Es una cuestión ética. Los sistemas de gestión de calidad pueden ser una herramienta que facilite la toma de decisiones para alcanzar estas cotas. El propósito de esta Tesis es proporcionar un diagnóstico, desde el posicionamiento de la disciplina del Trabajo Social, sobre la implantación de los sistemas de gestión de calidad en las entidades del TSAS en España y, a partir del mismo, proporcionar estrategias de intervención que faciliten la implantación y mantenimiento de la gestión con calida…
Previsione delle prestazioni del veicolo su strada: stato dell’arte
2016
Questo lavoro contiene una rassegna dei metodi che sono usati per la previsione delle prestazioni del veicolo su strada, in dipendenza del motore installato. La prima parte mostra il calcolo delle resistenze al moto, cioè le forze che il veicolo deve vincere per avanzare sulle strade piane e in salita. Particolarmente interessante appare la parte che riguarda la resistenza aerodinamica, della quale si tratta di metodi sperimentali (galleria del vento), metodi empirici e metodi CFD. Si propone inoltre l’applicazione della norma CUNA sulla velocità per la determinazione dei consumi anche al calcolo dei coefficienti aerodinamici. La rassegna esclude la resistenza accidentale in curva perché no…
Optimal Resource Allocation in Multi-Hop Networks: Contention vs. Scheduling
2014
CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) is actually the most used method in ad-hoc networks for transmitting on a contending medium, even if it shows poor performance in presence of hidden nodes. To increase performance, we propose an algorithm that combines CSMA and TDMA (Time Division Multiple Access) approaches. The adopted solution consists of grouping contending nodes in non-interfering subsets and granting a different numbers of time slots to different groups, while using the CSMA to manage medium access among nodes belonging to the same subset. An optimization procedure to assign the time slots to each subset of nodes and to find an equilibrium between contention …