427 research outputs found
Tradición y modernización en el contexto político Yoruba (Nigeria occidental)
Esta tesis se centra en el estudio de las complejas relaciones entre tradición y modernidad en una sociedad africana contemporánea concretamente en el país yoruba de la federación de Nigeria. El primer capítulo expone los sentidos del concepto de tradición tal como ha sido utilizado por los diferentes autores. El segundo capítulo estudia la razón fundamental de los errores tan frecuentes en el manejo de la dicotomia modernidad-tradición. El tercer capítulo trata de las tentativas más importantes de explicación de la convivencia de la tradición y la modernidad en una sociedad dada. El capítulo cuarto se concentra en el estudio de la tradición propiamente dicha. En la segunda parte estudia la nacionalidad yoruba de la Nigeria occidental desde el punto de vista de la tradición. Estudia en capítulos sucesivos su situación en el contexto federal de Nigeria los elementos más importantes que definen su cultura política el sistema político yoruba tradicional y el sistema político de la nueva nacionalidad yoruba en el periodo contemporáneo
Tradición y modernización en el contexto político Yoruba (Nigeria occidental)
Tesis inédita de la Universidad Complutense de Madrid, Facultad de Derecho, leída en 1976.Esta tesis se centra en el estudio de las complejas relaciones entre tradición y modernidad en una sociedad africana contemporánea concretamente en el país yoruba de la federación de Nigeria. El primer capítulo expone los sentidos del concepto de tradición tal como ha sido utilizado por los diferentes autores. El segundo capítulo estudia la razón fundamental de los errores tan frecuentes en el manejo de la dicotomia modernidad-tradición. El tercer capítulo trata de las tentativas más importantes de explicación de la convivencia de la tradición y la modernidad en una sociedad dada. El capítulo cuarto se concentra en el estudio de la tradición propiamente dicha. En la segunda parte estudia la nacionalidad yoruba de la Nigeria occidental desde el punto de vista de la tradición. Estudia en capítulos sucesivos su situación en el contexto federal de Nigeria los elementos más importantes que definen su cultura política el sistema político yoruba tradicional y el sistema político de la nueva nacionalidad yoruba en el periodo contemporáneo.Fac. de DerechoTRUEProQuestpu
At the beginnings of the funerary Megalithism in Iberia at Campo de Hockey necropolis
The excavations undertaken at the Campo de Hockey site in 2008 led to the identification of a major Neolithic necropolis in the former Island of San Fernando (Bay of Cádiz). This work presents the results of the latest studies, which indicate that the site stands as one of the oldest megalithic necropolises in the Iberian Peninsula. The main aim of this work is to present with precision the chronology of this necropolis through a Bayesian statistical model that confirms that the necropolis was in use from c. 4300 to 3800 cal BC. The presence of prestige grave goods in the earliest and most monumental graves suggest that the Megalithism phenomenon emerged in relation to maritime routes linked to the distribution of exotic products. We also aim to examine funerary practices in these early megalithic communities, and especially their way of life and the social reproduction system. As such, in addition to the chronological information and the Bayesian statistics, we provide the results of a comprehensive interdisciplinary study, including anthropological, archaeometric and genetic data.We wish to express our gratitude to Antonio Sáez Espligares (Historical Museum of San Fernando) and Lourdes Lorenzo (Figlina, s.l.) for their support during the archaeological excavation. This research was conducted in the framework of the following research projects: “Analysis of prehistoric societies from the Middle Palaeolithic to the Late Neolithic at both sides of the Strait of Gibraltar: relations and contacts”, funded by the State Research Agency (SRA) and the European Regional Development Fund (ERDF). Ref.: HAR2017-87324-P. (2018–2021). “Análisis interdisciplinar para el conocimiento del poblamiento humano de la Bahía de Cadiz durante la Prehistoria Reciente (VI-II milenios a.n.e.)”, funded by 2014–2020 ERDF Operational Programme and the Department of Economy, Knowledge, Business and University of the Regional Government of Andalusia. Ref.: FEDERUCA18-106917 (2020–2023). “Análisis de los isótopos de oxígeno en conchas y de los isótopos estables de oxígeno y carbono en huesos humanos en el poblado neolítico insular de Campo de Hockey (San Fernando, Cádiz)”, authorised and funded by CEIMAR. Ref.: CEIJ-015 (2018–2019). Eduardo Molina Piernas acknowledges co-funding from European Social Fund (D1113102E3) and Junta de Andalucía
Particle Filter Tracking of Complex Stochastic Systems Applied to In Silico Wavefront Propagation
Proceeding of 2018 Computing in Cardiology Conference (CinC), September 23-26, 2018, Maastricht, The NetherlandsA high dimensional tracking system based on the FithzHugh-Nagumo (FH-N) equations emulating the biological excitation and propagation dynamics of the action potential across cardiac cells is proposed. The modified FH-N model tracks the electric cardiac wavefronts on a tissue, emulating an approximated atrial fibrillation scenario. Bayesian tracking is achieved with two particle filter (PF) schemes: a sequential Auxiliary PF (APF) and a parallelized method, Independent APF (IAPF). The numerical results of the two examples, involving both estimation errors and running times, provide numerical evidence that support the theoretical findings.This work has been partly supported by MINECO/FEDER (ADVENTURE, id. TEC2015-69868-C2-1-R), and Comunidad de Madrid (project CASI-CAM-CM, id. S2013/ICE-2845).Publicad
Four-body continuum-discretized coupled-channels calculations: Application to 6He+64Zn at 13.6 MeV
The recently developed four-body continuum-discretized coupled-channels (CDCC) method, making use of the binning procedure [1], is applied to the reaction 6He+64Zn at 13.6 MeV (around the Coulomb barrier). Excellent agreement with available elastic data [2] is found.Dirección General de Investigación Científica y Técnica FIS 2008-04189, FPA 2006- 13807-C02-01U.S. Department of Energy DE-AC52-07NA27344U.K. STFC EP/D00362
Stress estimation by the prefrontal cortex asymmetry: Study on fNIRS signals
sure
the brain hemodynamic activity in applications to evaluate affective disorders and stress. Using two
wavelengths of light, it is possible to monitor relative changes in the concentrations of oxyhemoglobin and
deoxyhemoglobin. Besides, the spatial asymmetry in the prefrontal cortex activity has been correlated with the
brain response to stressful situations.
Methods: We measured prefrontal cortex activity with a NIRS multi-distance device during a baseline period,
under stressful conditions (e.g., social stress), and after a recovery phase. We calculated a laterality index for the
contaminated brain signal and for the brain signal where we removed the influence of extracerebral hemodynamic
activity by using a short channel.
Results: There was a significant right lateralization during stress when using the contaminated signals, consistent
with previous investigations, but this significant difference disappeared using the corrected signals. Indeed,
exploration of the susceptibility to contamination of the different channels showed non-homogeneous spatial
patterns, which would hint at detection of stress from extracerebral activity from the forehead.
Limitations: There was no recovery phase between the social and the arithmetic stressor, a cumulative effect was
not considered.
Conclusions: Extracerebral hemodynamic activity provided insights into the pertinence of short channel corrections
in fNIRS studies dealing with emotions. It is important to consider this issue in clinical applications
including modern monitoring systems based on fNIRS technique to assess emotional states in affective disorders
Object-Oriented Modeling and Simulation of the Arterial Pressure Control System by Using MODELICA
The modeling of physiological control systems
via mathematical equations reflects the calculation procedure
more than the structure of the real system modeled, and several
simulation environment have been used so far for this
task. Nevertheless, object-oriented modeling is spreading in
current simulation environments through the use of the individual
components of the model and its interconnections to
define the underlying dynamic equations. In this paper we
describe the use of the MODELICATM simulation environment
in the object-oriented modeling of the cardiovascular control
system. The performance of the controlled system has been
analyzed by object-oriented simulation in the light of existing
hypothesis and physiological data used here for validation
purposes
SABIO: Soft Agent for Extended Information Retrieval
In the current study, an integrated system called SABIO is presented. The current system
applies Information Retrieval (IR) techniques developed for collections of textual documents to nontextual
corpa. SABIO integrates a fuzzy logic-based procedure for IR. Its search algorithm improves
the IR efficiency and decreases the computational burden by using a fuzzy logic-based procedure for
IR. This procedure is integrated in a flexible and fault-tolerant, human-reasoning-based search
algorithm. The Accumulated Knowledge Set (AKS) of the system is sorted in a hierarchic
multilevel tree-structure-like ontology. The objects in the AKS are represented using a novel
human-reasoning-based-method. This representation takes into account the occurrence of related
terms. The system uses a novel fuzzy logic-based term-weighting (TW) method. The developed fuzzy
logic method improves the classical term frequency–inverse document frequency (TF=IDF) method,
generally used for TW. The abovementioned system is the core of a wizard for search into the website
of the University of Seville, www.us.es, which is currently in testing
Object-oriented Modeling and Simulation of the Arterial Pressure Control System by using MODELICA
The modeling of physiological control systems via mathematical equations reflects the calculation procedure more than the structure of the real system modeled, and several simulation environment have been used so far for this task. Nevertheless, object-oriented modeling is spreading in current simulation environments through the use of the individual components of the model and its interconnections to define the underlying dynamic equations. In this paper we describe the use of the MODELICATM simulation environment in the object-oriented modeling of the cardiovascular control system. The performance of the controlled system has been analyzed by object-oriented simulation in the light of existing hypothesis and physiological data used here for validation purposes.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech. IFMBE, UNIVERSIDAD DE SEVILL
Research into 3D construction and its applications.
[EN] This article intends to give an understanding of the process of research into cement materials, focussed on 3D printing. A group of four students at the Universitat Polit.cnica de Val.ncia – three architectural engineers and one electronic and automotive industrial engineer, spent three years researching and developing both a mobile 3D printing device; and a cement material to be extruded by this device and be capable of modelling any type of figure with FDM technology. The main objective of this research is the application of this new construction system to the house-building and real estate sector; reducing occupational hazards, costs and waste material.[ES] En el presente artículo se pretende dar a conocer el proceso de investigación sobre materiales cementicios enfocados a la impresión 3D. Un grupo de 4 estudiantes de la Universidad Politécnica de Valencia, 3 Ingenieros de la Edificación y 1 Ingeniero de Electrónica y automatismo Industrial, llevan 3 años investigando y desarrollando tanto un dispositivo de impresión 3D móvil como un material cementicio para ser extrusionado por dicho dispositivo y ser capaz de modelar cualquier tipo de figura con tecnología FDM(ADICIÓN DE CAPAS). El principal objetivo de esta investigación es la aplicación de este nuevo sistema constructivo al sector inmobiliario y construir vviiendas, reduciendo riesgos laborales, costes y material de residuo. Caracterizando nuevas dosificaciones cementicias, conseguimos aumentar su Trabajabilidad y Robustez frente a iclemencias metereológicas que puedan afectar a su reología y comportamiento al momento de su puesta en obra mediante bombeo y extrusión mecánica.Ramírez Collado, V.; Puchades Valencia, JL.; Martín Rodríguez, J.; Muñoz Montes, JG. (2018). Investigación sobre construcción 3D y sus aplicaciones. En CIAB 8. VIII Congreso Internacional de arquitectura blanca. Editorial Universitat Politècnica de València. 190-197. https://doi.org/10.4995/CIAB8.2018.7648OCS19019
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