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Xanthi, Greece

Democritus University of Thrace , was named after the ancient Greek philosopher Democritus who was born in the city of Avdira. Established in July 1973, it is based in Komotini, Greece and has campuses in the Thracian cities of Xanthi, Komotini, Alexandroupoli and Orestiada.The university accepted its first students in the academic year 1974–1975. As of 2014 DUTH comprises 8 schools — School of Humanities, Engineering School, Law School, School of Agricultural science, School of Education science, School of Economic and Social science, School of Health science and Physical Education and Sport science. The total number of students is 27,000 .As a university it is state-owned and fully self-administered. It is thus supervised and subsidized by the Greek State and the Minister for National Education and Religious Affairs. Wikipedia.


Paschou P.,Democritus University of Thrace
Neuroscience and Biobehavioral Reviews | Year: 2013

Gilles de la Tourette Syndrome (TS) is a neuropsychiatric disorder that is caused by a likely complex genetic basis, interacting with environmental factors. Just as multiple large scale collaborative projects for TS are starting out and the first ever genomewide association study for TS has been published, this review provides a synthetic overview of more than two decades of active research. Studies of the dopaminergic and serotonergic pathways, have yielded inconsistent results, although, for instance, the involvement of DRD2, MAO-A, and DAT1 has been supported by independent findings. The study of chromosomal aberrations in TS etiology has implicated multiple genes, with SLITRK1 being the most prominent example. Common underlying themes with other neurodevelopmental disorders are emerging and attention on neurexins, neuroligins, and genes from the histaminergic and glutamatergic pathways is increased. Propelled by the gradual availability of large scale TS cohorts, and novel methodologies for the study of both common and rare genetic variants, the new era of TS genetics holds the promise to identify novel targets for improved therapies. © 2013 Elsevier Ltd.


Menegaki A.N.,Democritus University of Thrace
Renewable Energy | Year: 2012

Regardless their high potential, renewable energy resources are insufficiently exploited in Europe. This paper examines the potential of social marketing for renewable energy sources. It uses acceptability and willingness to pay results from existing surveys on renewable energy sources and generates a marketing mix for the state, organizations, businesses and consumers. These surveys typically claim to produce results that will be useful for policy making or marketing purposes. However, after they distinguish the parameters that affect acceptability or choice and willingness to pay, they do not go deeper to demonstrate the ways for the exploitation of the results. Therefore, this paper gauges the gap between the results from consumer stated preference studies and the insights generated for social marketing. © 2011 Elsevier Ltd.


Chalioris C.E.,Democritus University of Thrace
Engineering Structures | Year: 2013

The influence of steel fibres in shear-critical reinforced concrete beams subjected to monotonic and cyclic loading is experimentally investigated. Seven short beams with shear span to effective depth ratio equal to 2 were constructed by steel fibrous concrete and by plain concrete as reference specimens. Hook-ended steel fibres with an aspect ratio equal to 75 and using two different volume fractions (0.5% and 0.75%) have been added in the fibrous concrete beams as shear reinforcement. Supplementary compression and direct tension tests have also been performed to determine the compressive and the tensile behaviour of the used concrete mixtures. Experimental results concerning the hysteretic response, the shear strength at cracking and at ultimate, the energy dissipation capabilities, the cracking patterns and the failure mode of the tested beams are presented and discussed. The application of steel fibres as the only shear reinforcement is also reported, in an attempt to examine the effectiveness of fibres as a potential replacement of stirrups. Analytical model of the tensional behaviour of the steel fibrous concrete, calculations of the shear stresses at the first flexural cracking, at the onset of the shear cracking and at the maximum shear capacity, along with the predictions of the potential failure mode of the beams are also included. Research results indicate that the steel fibrous beams exhibited improved shear performance with higher shear strengths, enhanced absorbed energy capabilities and ameliorated crack patterns with respect to the non-fibrous reference specimens. Further, an attempt to estimate a minimum value for the fibre factor of the steel fibres in order to alter the brittle shear failure to a ductile one is also demonstrated. This effort is based on the test data of 51 beams from the present study and the literature. © 2012 Elsevier Ltd.


Pantokratoras A.,Democritus University of Thrace
International Journal of Thermal Sciences | Year: 2014

The steady laminar boundary layer flow along a vertical stationary plate with convective surface boundary condition is investigated in this paper. The heat transfer coefficient is considered either constant or variable along the plate and the problem is either non-similar or similar. The results are obtained with the direct numerical solution of the governing equations. The problem is governed by Prandtl number and a convective parameter and the influence of these parameters on the results are presented in tables and figures. There are differences in the results between the non-similar and similar case at low values of the convective parameter but as this parameter increases the differences decrease and the flow tends to the classical natural convection along a vertical isothermal plate. © 2013 Elsevier Masson SAS. All rights reserved.


Menegaki A.N.,Democritus University of Thrace
Renewable and Sustainable Energy Reviews | Year: 2014

The relationship between energy consumption and GDP growth has been intensely examined in multiple frameworks set by various methods and countries. This paper is a meta-analysis of 51 studies published in the last two decades, with worldwide data since 1949, on the relationship between energy consumption and GDP growth. The aim is to systemize some of the factors that cause the variation of results in these studies. Our results yield evidence that the long run elasticity of GDP growth with respect to energy consumption is not independent of the method employed for cointegration, the data type and the inclusion of variables such as the price level or capital in the cointegration equation. Also 1% increase in capital, increases the elasticity of GDP with respect to energy consumption by 0.85%. © 2013 Elsevier Ltd.

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