Search results for " concept"
showing 10 items of 1144 documents
Didactic transposition of the biodiversity concept. A study of Spanish high-school textbooks
2021
Este trabajo estudia la presencia y complejidad en el tratamiento del concepto de diversidad biológica en libros de texto de educación secundaria, tanto de la obligatoria (ESO) como del bachillerato de España. Se recopilaron trabajos científicos de la «comunidad de expertos» con el objetivo de definir el ámbito conceptual de la biodiversidad, que actúa de vigilante epistemológico en el proceso de transposición didáctica. Los resultados mostraron una multiplicidad de definiciones de la biodiversidad en libros de texto, con un fuerte predominio de reducción a la idea de número de especies (riqueza), lo que pone en evidencia su desactualización. A la luz de este estudio, el listado de contenid…
An unsupervised region growing method for 3D image segmentation
1995
The paper deals with 3D shape decomposition problem, objects are modelled as finite unions of almost-convex primitives. A new region growing method is proposed to extract meaningful objects parts. Parts are individuated by performing a set-partitioning of surface dominating points. The partition step returns labelled seeds from which to start a region growing procedure that propagate labels onto object surface patches. A fuzzy concept of λ-convexity is introduced to test noised real images. Experimental results are given.
Democracy in complex networks:political leaders and administrative professionals
2015
The core assumption in this chapter is that political actors and civil servants on the municipal level share in the common societal responsibility for the education and upbringing of the next generation. Using a filter of five core public-governance logics in the analysis of our data – the marketplace logic, the managerial, the public, the professional and the ethical –we find both similarities and differences between politicians and civil servants. We analyse how politicians and administrators are positioned in the system and how they develop their commitment to, and their competencies to take part in furthering, both a democratic education and an efficient and effective governance system,…
Distopía, eutopía y crisis social en el cine mainstream (Los casos de Los juegos del hambre y Del revés)
2018
espanolEn el marco de un mundo globalizado, la aparente "desideologizacion" que acompana a los bienes culturales actuales, sirve a los propositos de reproduccion del sistema capitalista, entendido este dentro de su vertiente cultural actual como un sistema omnipresente y omniabarcante. En este sentido, los productos culturales del mainstream estadounidense, continuan constituyendo, aun a dia de hoy, uno de los principales pilares a traves de los cuales el sistema se representa a si mismo, proponiendo y defendiendo determinados modos de vida, en concreto, el American Way of Life. En el actual contexto, el mainstream cinematografico, a traves de productos como “Los Juegos del Hambre” (The Hun…
Scalable Electro-Optic Control of Localized Bistable Switching in Broad-Area VCSELs Using Reconfigurable Funnel Waveguides
2017
We demonstrate a steplike optical modulation based on the activation and deactivation of a bistable localized structure using a photoinduced and reconfigurable miniaturized 30 × 30 μm electroactivated funnel waveguide. Control of a single 10-μm-diameter spot in a 200-μm-diameter vertical-cavity surfaceemitting laser at 980 nm is achieved modulating the phase of an exciting beam in the specific position of the spot in the cavity. This localized on-off response can be scaled into arrays and offer a possible route to fast integrated optical logical functions and memory at low intensities at near-infrared wavelengths.
A new ATLAS muon CSC readout system with system on chip technology on ATCA platform
2015
The ATLAS muon Cathode Strip Chamber (CSC) backend readout system has been upgraded during the LHC 2013-2015 shutdown to be able to handle the higher Level-1 trigger rate of 100 kHz and the higher occupancy at Run 2 luminosity. The readout design is based on the Reconfigurable Cluster Element (RCE) concept for high bandwidth generic DAQ implemented on the Advanced Telecommunication Computing Architecture (ATCA) platform. The RCE design is based on the new System on Chip XILINX ZYNQ series with a processor-centric architecture with ARM processor embedded in FPGA fabric and high speed I/O resources together with auxiliary memories to form a versatile DAQ building block that can host applicati…
Concepts and Categories of Emotion in East Asia
2012
I contributi inclusi nel volume ruotano tutti intorno al tentativo di descrivere il concetto di emozione e di definirne le categorie nell'ambito delle culture dell'Asia Orientale, in particolare della Cina, del Giappone, dell'Indonesia.
Biais de discrimination et statut social : une étude de terrain sur les relations intergroupes
2006
International audience; This study concerns discrimination bias in relations between work groups. As new developments in categorisation theory have shown, several factors modulate the effects of inter-group categorisation. Among these, status is viewed as introducing conflict between groups. We studied the impact of this factor in a work situation where status was not linked to power, choosing a firm in which relations between groups were conflict provoking. Three work groups within the same mobile phone firm were selected on the basis of their status : the ''Hard'' group, considered as high status in relation to the low status ''Administration'' group, and the ''Production'' group with an …
Can Physiological and Psychological Factors Predict Dropout from Intense 10-Day Winter Military Survival Training?
2020
Background: In the military context, high levels of physiological and psychological stress together can compromise individual&rsquo
Cuando la historia está presente: Argumentos a favor de la sociología histórica
2019
Sociology and history have maintained a discontinuous relationship and a permanent discussion. Classical sociology is intrinsically historical, but after the first theoretical synthesis the dialogue between both disciplines was extinguished and it has often been necessary to defend the need for the historical view in sociology from the margins of the dominant paradigm. However, as a specialty or subdiscipline, historical sociology has consolidated its own academic space and a strong theoretical, methodological and conceptual body. In Spain this process of institutionalization has not yet success. In this article we expose a few arguments in defense of historical sociology, both theoretical …