Search results for "CONST"
showing 10 items of 7706 documents
Teoría de la educación : educación y cultura en la sociedad de la información
2011
Se exponen las principales perspectivas en el estudio del comportamiento informacional: la perspectiva del usuario y la del sistema. En el primer caso, se asume una visión global del proceso de búsqueda de información y se desarrollan modelos teóricos y metodológicos para guiar la investigación en este campo. Se presentan como ejemplo la teoría del Sense-Making de Brenda Dervin y el modelo de Proceso de Búsqueda de Información de Carol Kuhlthau. En el segundo caso, se asume una perspectiva parcial del proceso de búsqueda de información, centrándose fundamentalmente en las transacciones entre usuario y el sistema o entre el usuario y la información. Se describen los estudios del uso de recur…
Anàlisi de propostes sobre lectura i escriptura per a fer a casa
2021
L’aparició de les noves tecnologies a escala global ha suposat un repte per als professionals de l’educació, que han hagut d’adaptar-se a aquesta nova realitat, modificant les metodologies per portar a terme el procés d’ensenyament-aprenentatge. Ara, després de la situació excepcional de confinament provocada per la crisi de la Covid-19, les TIC han estat un recurs imprescindible per a tota la comunitat educativa. En el present Treball de Fi de Grau es fa una anàlisi que té com a objectiu conéixer les plataformes i recursos digitals presents a la xarxa per portar a terme l’alfabetització inicial des de casa en l’alumnat de segon cicle d’Educació Infantil. The emergence of new technologies g…
On the degree of binder activity of reclaimed asphalt and degree of blending with recycling agents
2020
It is common practice to assume full blending of the aged binder of reclaimed asphalt (RA) within the design of new asphalt mixtures. Although being practical, this assumption has often led designers to asphalt mixtures lacking binder. Hence, going towards recycled asphalt mixtures (RAM) there is a need to have a better understanding of the blending phenomena, to have a general agreement on terminology and finally adapting RA classification and mix design procedures accordingly. This manuscript aims at being both a reference and stimulus for the scientific community to work in this direction and on this basis provides a nomenclature and a theoretical framework of the blending phenomena. The…
Computational aspects in checking of coherence and propagation of conditional probability bounds
2000
In this paper we consider the problem of reducing the computational difficulties in g-coherence checking and propagation of imprecise conditional probability assessments. We review some theoretical results related with the linear structure of the random gain in the betting criterion. Then, we propose a modi ed version of two existing algorithms, used for g-coherence checking and propagation, which are based on linear systems with a reduced number of unknowns. The reduction in the number of unknowns is obtained by an iterative algorithm. Finally, to illustrate our procedure we give some applications.
Algorithms for coherence checking and propagation of conditional probability bounds
2001
In this paper, we propose some algorithms for the checking of generalized coherence (g-coherence) and for the extension of imprecise conditional probability assessments. Our concept of g-coherence is a generalization of de Finetti’s coherence principle and is equivalent to the ”avoiding uniform loss” property for lower and upper probabilities (a la Walley). By our algorithms we can check the g-coherence of a given imprecise assessment and we can correct it in order to obtain the associated coherent assessment (in the sense of Walley and Williams). Exploiting some properties of the random gain we show how, in the linear systems involved in our algorithms, we can work with a reduced set of va…
Giuseppe Cocchiara, il fascismo e il razzismo
2021
In questo saggio viene ricostruito il rapporto tra Giuseppe Cocchiara e il fascismo. L’antropologo visse in pieno la sua formazione culturale all'interno del regime al quale aderì con convinzione e slancio, militando sempre nelle sue fazioni più radicali, condividendone fedelmente le scelte più tragiche come la guerra d’Etiopia, sottoscrivendo le leggi razziali, impegnandosi nella seconda guerra mondiale con le armi culturali dell’antisemitismo e della lotta senza tregua contro la democrazia. Così quando, come in un «mondo alla rovescia», sconfitto il fascismo sotto il peso di un’umiliante e sanguinosa disfatta, saranno proprio gli odiati inglesi a valorizzarne la statura intellettuale e la…
Increasing the flexural capacity of RC beams using steel angles and pre-tensioned stainless steel ribbons
2016
This article presents an experimental programme on reinforced concrete beams retrofitted with steel angles and pre-stressed stainless steel ribbons to increase their flexural strength and ductility. Two different configurations of the steel ribbon were designed, and two companion specimens for each type considered were subjected to a four-point bending test to facilitate a direct comparison in the analysis of the effectiveness of the retrofitting technique. The influence of longitudinal steel angles and transverse stainless steel ribbons is analysed, and the concrete confinement due to stainless steel ribbons examined. The strengthened beams show remarkable increments in flexural strength a…
The use of pumice lightweight concrete for masonry applications
2011
In the last two decades, the use of pumice as lightweight aggregate for concrete in structural applications has been the object of different studies. The aim was to find out if pumice can be an alternative to ordinary lightweight aggregate. The present paper is framed in this context. Here, a study is presented showing the use of pumice for making lightweight concrete units for masonry members. Through the paper, the formulation of a mix design for lightweight concrete is proposed. Then the obtained mechanical characteristics of the masonry units are discussed and compared to the code requirements. Reinforced bearing masonry walls, made with the concrete masonry units in question, were made…
Jet fragmentation transverse momentum distributions in pp and p-Pb collisions at √s, √sNN = 5.02 TeV
2021
Jet fragmentation transverse momentum (jT) distributions are measured in proton-proton (pp) and proton-lead (p-Pb) collisions at √sNN = 5.02 TeV with the ALICE experiment at the LHC. Jets are reconstructed with the ALICE tracking detectors and electromagnetic calorimeter using the anti-kT algorithm with resolution parameter R = 0.4 in the pseudorapidity range |η| < 0.25. The jT values are calculated for charged particles inside a fixed cone with a radius R = 0.4 around the reconstructed jet axis. The measured jT distributions are compared with a variety of parton-shower models. Herwig and Pythia 8 based models describe the data well for the higher jT region, while they underestimate the low…
Il giudice disobbediente nel terzo millennio
2020
Il tradizionale quesito del rapporto fra diritto positivo, coscienza del giudice e suo ruolo pubblico viene discusso rispondendo brevemente a domande relative a tre ambiti problematici : la rilevanza della Costituzione, l'incidenza del piano sovranazionale della tutela dei diritti, i limiti delle esternazioni del giudice e della sua possibilità di disapplicare una legge ingiusta. The traditional question of the relationship between positive law, the conscience of the judge and his public role is discussed by briefly answering questions relating to three problematic areas: the relevance of the Constitution, the impact of the supranational level of protection of rights, the limits of the judg…