Search results for "PERFORMANCE"
showing 10 items of 4457 documents
Business models in Spanish industry : a taxonomy-based efficacy analysis
2010
The present study provides a conceptualization of the business model construct from which a multi-dimensional evaluation tool is developed that provides the basis for drawing up a taxonomy and analysing its comparative efficacy. The empirical data was obtained from a sampling of 159 Spanish business organisations. The cluster analysis revealed the existence of four business models that were designated as “multidivisional”, “integrated”, “hybrid” and “network”. The results also indicate that the adoption of a certain business model is not enough to attain superior performance, highlighting the need to consider other contingent factors.
I cavalieri del caos
2004
La catastrofe delle Twin Towers ha inferto un’accelerazione espansiva a quella “teoria della complessità” che, provenendo dalle diverse scienze (Prigogine, Lyotard, Baudrillard, Deleuze, Lacan, etc.) e dalle tecnologie informatiche (McLuhan, Mandelbrot, Thom, Maldonato, etc.) alla fine del secondo millennio aveva già investito le arti e tutte le “pratiche dell’immaginario”. Attorno al crinale atroce dello 11 settembre 2001 e dello “skyline d’occidente” sconvolto, assume nuova emblematicità l’immaginario espanso e conflagrato di architetti “telematici” come Frank Gehry, Daniel Libeskind, i giovani leader della cyber-architecture; di artisti della metamorfosi corporea come Tony Oursler; Orlan…
Etude analytique en régime dynamique des performances thermiques des parois en blocs de terre stabilisée
2023
L’objectif visé à travers cette étude est de parvenir à dimensionner de manière optimale les épaisseurs des murs en blocs de terre stabilisée (BTS), pour obtenir un confort thermique satisfaisant à l’intérieur des constructions avec ce matériau. Pour ce faire, une méthode analytique des admittances basée sur le complexe de Fourier est utilisée. L’analyse des résultats a mis en exergue les principaux facteurs influents sur le dimensionnement idoine pour parvenir à assurer un confort thermique satisfaisant à l’intérieur de ces constructions en terre. Parmi ces facteurs, on relève les caractéristiques thermo-physiques intrinsèques des matériaux utilisés et d’autres paramètres tels que le facte…
Effects of Prior Knowledge on Comprehending Text About Learning Strategies
2021
Good knowledge and skills in using different learning strategies is important for learning with understanding and even more critical during distance learning. Findings indicate that students tend to use and value ineffective learning strategies, thus there is need to educate students. This study aimed to analyze the possibility of using refutation text on learning strategies that students can study independently. The study examined how reported use of learning strategies and preexisting beliefs about the effectiveness of rehearsal and comprehension-oriented strategies relate to the comprehension of text about learning strategies, and how text comprehension is related to later use of strateg…
Development of Neural Network Prediction Models for the Energy Producibility of a Parabolic Dish: A Comparison with the Analytical Approach
2022
Solar energy is one of the most widely exploited renewable/sustainable resources for electricity generation, with photovoltaic and concentrating solar power technologies at the forefront of research. This study focuses on the development of a neural network prediction model aimed at assessing the energy producibility of dish–Stirling systems, testing the methodology and offering a useful tool to support the design and sizing phases of the system at different installation sites. Employing the open-source platform TensorFlow, two different classes of feedforward neural networks were developed and validated (multilayer perceptron and radial basis function). The absolute novelty of this approac…
Satisfacció i rendiment dels docents als centres educatius de la Comunitat Valenciana
2004
Els nombrosos estudis realitzats al voltant de l'associació entre la satisfacció laboral i el rendiment en el treball han contribuït al fet que els dos constructes esdevinguen, en l'actualitat, elements centrals en l'anàlisi de la conducta organitzacional. A partir de les dades obtingudes d'una mostra del professorat de centres no universitaris de la Comunitat Valenciana, ens hem proposat de contribuir a la comprensió de la relació entre aquestes dues variables. Els nostres resultats mostren, d'una banda, que la satisfacció amb el treball i el rendiment estan significativament relacionats. D'altra banda, l'estimació en l'ordre de la relació és de reciprocitat. És a dir, la satisfacció pot a…
Increased conformational rigidity of humic substances by oxidative biomimetic catalysis
2005
A synthetic water-soluble meso-tetra(2,6-dichloro-3-sulfonatophenyl)porphyrinate of iron(III) chloride, Fe(TDCPPS)Cl, was employed as a biomimetic catalyst in the oxidative coupling of terrestrial humic materials. High-performance size-exclusion chromatography (HPSEC), solid-state nuclear magnetic resonance (CPMAS-(13)C NMR), electron paramagnetic resonance (EPR), and diffuse reflectance infrared spectroscopy (DRIFT) were used to follow conformational and structural changes brought about in different humic materials by the oxidative coupling. Increase in apparent weight-average molecular weight (Mw(a)) occurred invariably for all humic substances with the oxidative polymerization catalyzed …
Risposta ornamentale di accessioni di peperoncino coltivati in vaso
2008
Gran parte delle varietà di peperoncino, coltivate a scopo alimentare, è considerata interessante anche ai fini ornamentali. Ciò è attribuibile principalmente al frutto che rende questa pianta idonea alla coltivazione in vaso e per la realizzazione di aiuole e bordure. Il Consorzio di ricerca Co.Ri.S.S.I.A. di Palermo ha avviato una ricerca allo scopo di valorizzare il peperoncino come specie ornamentale da vaso. Sono state confrontate 34 varietà di peperoncino coltivate in quattro differenti tipologie di vaso, rilevando i principali parametri morfologici e estetici. La specie ha manifestato una buona adattabilità alla coltivazione in vaso, avvalorando, nel contempo, il suo impiego anche pe…
Sporadic and Familial Variants in NF1: An Explanation of the Wide Variability in Neurocognitive Phenotype?
2020
Background: Cognitive impairment is the most common neurological manifestation in NF1 and occurs in 30-70% of NF1 cases. The onset and severity of each specific cognitive deficit varies greatly from child to child, with no apparent external causes. The wide variability of phenotype is the most complex aspect in terms of management and care. Despite multiple research, the mechanism underlying the high heterogeneity in NF1 has not yet been elucidated. While many studies have focused on the effects of specific and precise genetic mutations on the NF1 phenotype, little has been done on the impact of NF1 transmission (sporadic vs. familial cases). We used a complete neuropsychological evaluation…
Pesquisa científica em contabilidade gerencial: estudo comparativo entre Espanha e Brasil
2012
Nas últimas décadas a contabilidade gerencial teve um desenvolvimento acentuado, com inclusão de novos temas e métodos de investigação, revistas exclusivas, e principalmente estudos com perspectivas multidisciplinares. Uma das formas de perceber e entender esse nível de desenvolvimento é estudar suas publicações nas principais revistas. Assim, o objetivo é realizar um estudo comparativo sobre contabilidade gerencial entre a Espanha e o Brasil. Para tanto, foram selecionados 421 artigos de sete revistas espanholas de contabilidade listadas no IN-RECS (Índice de Impacto das Revistas Espanholas de Ciências Sociais), e 245 artigos de seis revistas brasileiras listadas na Capes. Por tanto, anali…