Παίζοντας με την παράδοση: η Ιώ στις Μεταμορφώσεις του Οβιδίου

Η εργασία παρουσιάζει τον τρόπο με τον οποίο ο μύθος της Ιούς έχει χρησιμοποιηθεί στην λογοτεχνία πριν την επεξεργασία του από τον Οβίδιο. Στην συνέχεια, γίνεται προσπάθεια να φανεί ο τρόπος με τον οποίο τα στοιχεία των προγενέστερων πραγματεύσεων ενσωματώνονται στις εκδοχές που παραδίδει ο Οβίδιος, στις Ηρωίδες και (κυρίως) τις Μεταμορφώσεις. Το δεύτερο σκέλος της εργασίας ασχολείται με το αν και πώς η ιστορία της Ιούς, όπως παρουσιάζεται στις Μεταμορφώσεις, λειτουργεί ως exemplum των ιστοριών της Ευρώπης, της Σεμέλης και της Ινούς.The subject of this thesis is the way in which Ovid incorporates the previous versions of Io’s myth in the Heroides and the Metamorphoses. The first section of the thesis deals with the previous versions of the myth and the elements that Ovid borrows for his own version in the Heroides and (mainly) in the Metamorphoses. The second section deals with the heroine as an exemplum for her descendants in the epic, Europa, Semele and Ino

Skeletal Muscle Insulin Resistance in Endocrine Disease

We summarize the existing literature data concerning the involvement of skeletal muscle (SM) in whole body glucose homeostasis and the contribution of SM insulin resistance (IR) to the metabolic derangements observed in several endocrine disorders, including polycystic ovary syndrome (PCOS), adrenal disorders and thyroid function abnormalities. IR in PCOS is associated with a unique postbinding defect in insulin receptor signaling in general and in SM in particular, due to a complex interaction between genetic and environmental factors. Adrenal hormone excess is also associated with disrupted insulin action in peripheral tissues, such as SM. Furthermore, both hyper- and hypothyroidism are thought to be insulin resistant states, due to insulin receptor and postreceptor defects. Further studies are definitely needed in order to unravel the underlying pathogenetic mechanisms. In summary, the principal mechanisms involved in muscle IR in the endocrine diseases reviewed herein include abnormal phosphorylation of insulin signaling proteins, altered muscle fiber composition, reduced transcapillary insulin delivery, decreased glycogen synthesis, and impaired mitochondrial oxidative metabolism

The geographical dimension of income and consumption inequality

This paper aims at examining interpersonal income and consumption inequality within the Attica Metropolitan Region, which includes Athens, the largest metropolis of Greece. It also aims to make comparisons between Attica and the rest of the country. The analysis is based on income and consumption microdata from Greek Household Budget Surveys (HBS) over the period 2008-2019, encapsulating the period from the commencement of the economic crisis until the year before the outset of the COVID-19 pandemic. Results indicate that income inequalities are systematically higher than consumption inequalities. From a spatial comparative perspective, the results show that the Attica Metropolitan Region exhibits a higher degree of income and consumption inequality relative to the rest of the country. Furthermore, the economic crisis increased income inequality in Athens and in the rest of the country, while consumption expenditure inequality increased in the Athens metropolitan area only. Finally, the distance between socio-economic groups, which stands as a measure of the degree of social polarization, increased during the economic crisis. However, this does not hold true for consumption inequality. Overall, the analysis demonstrates the sensitivity of inequality outcomes to the selection of the welfare indicator (income or consumption), as well as a number of noticeable differences in inequality outcomes between the Metropolitan region of Attica and the rest of the country. The paper unveils facets of inequality which necessitate the implementation of more people and place-targeted policies aimed at more inclusive and balanced welfare conditions in metropolitan regions and across the country

A review of key environmental and energy performance indicators for the case of Renewable Energy Systems when integrated with storage solutions.

During the last years a variety of numerical tools and algorithms have been developed aiming at quantifying and measuring the environmental impact of multiple types of energy systems, as those based on Renewable Energy Sources. Plenty of studies have proposed the use of a Life Cycle Assessment methodology, to determine the environmental impact of renewable installations when coupled with storage solutions, based on a pre-selected repository of Key Performance Indicators. The main scope of this paper is to propose a limited number of best fitting, and at the same time easily adaptable to various configurations, list of KPIs for the case of renewable energy systems. This is done by capitalizing on the environmental and energy performance KPIs tracked in the open literature (e.g. “Global Warming Potential”, “Energy Payback Time”, “Battery Total Degradation”, “Energy Stored on Invested”, “Cumulative Energy Demand”) and/or other proposing new simple, scalable and adaptable ones, (e.g. “Embodied Energy for Infrastructure of Materials and for the building system”, “Life Cycle CO2 Emissions”, “Reduction of the Direct CO2 emissions”, “Avoided CO2 Emissions”, “CO2 equivalent Payback Time”). Moreover, the proposed KPIs are distributed according to the individual phases of the entire life-cycle of a related component of a renewable energy system, each time the environmental impact refers to, i.e. manufacturing, operational and end-of-life. Apart from that, the current paper presents a necessary base grounded approach, which can be followed for a holistic approach in environmental point of view of renewable-based technologies, by addressing the potential competing interests of the relevant stakeholders (e.g. profit for the market operator in contrast to low-cost services for the consumer). All in all, the scalar quantification of the environmental impact of multiple energy systems, through a list of proposed assessment criteria, being evaluated in terms of the selected repository of KPIs, enables the comparison on a fair basis of the available energy systems, irrespective if they are fossil-fuel or RES based ones. As a typical example, a simple standard model of a photovoltaic integrated with an electric battery is selected, for which indicative indicators are provide

Καταγραφή και ανάλυση των ατομικών επιθετικών προσπαθειών των ομάδων Ολυμπιακού και Παο στο πρωτάθλημα γυναικών της περιόδου 2015-16

Το άθλημα της καλαθοσφαίρισης με το πέρασμα των χρόνων γίνεται περισσότερο πολύπλοκο και σύνθετο. Παρόλη την εξέλιξη και την πρόοδο στον τομέα της ταχύτητας, της αλτικότητας, της έκρηξης , της δύναμης κ.λ.π. σταθερά πρωτεύοντα ρόλο παίζει η τεχνική και η τακτική των αθλητών και της ομάδας. Ο κάθε προπονητής προκειμένου να αντιμετωπίσει μία ομάδα χρησιμοποιεί κάποια εργαλεία με στόχο την εφαρμογή της τακτικής. Ένα τέτοιο εργαλείο αποτελεί η βιντεοανάλυση. Μέσω της βιντεοανάλυσης μπορεί να καταγράψει όλες τις ενέργειες των παικτών της αντίπαλης ομάδα με στόχο να ετοιμάσει όσο το δυνατόν καλύτερα τους δικούς του παίκτες για να τους αντιμετωπίσουν. Στην παρούσα έρευνα έγινε σημειογραφική ανάλυση σε 36 αγώνες του πρωταθλήματος της Α1 Γυναικών 2015-2016, με στόχο τη μελέτη των διεισδύσεων, η εξέλιξη των οποίων καταλήγει σε τελική προσπάθεια. Η καταγραφή που έγινε αφορούσε στην περιοχή εκκίνησης, στο είδος σταματήματος, στα είδη της πάσας, στις περιοχές των σουτ, στα είδη των διεισδύσεων.n

Primary mucosa-associated lymphoid tissue thyroid lymphoma: a rare thyroid neoplasm of extrathyroid origin

Primary thyroid lymphoma is a rare malignancy, representing 2–8% of all thyroid malignancies and 1–2% of all extranodal lymphomas. The majority of cases concern non-Hodgkin's lymphoma of B cell origin, following by Hodgkin's disease, T cell lymphomas and rarely marginal zone B-cell mucosa-associated lymphoid tissue (MALT) lymphomas. MALT lymphomas have been associated with long-standing autoimmune Hashimoto's thyroiditis. We present the case of a 44-years-old woman with thyroid MALT lymphoma in the background of multinodular goiter of autoimmune origin

Cosmopolitanism and transnational elite entrepreneurial practices: manifesting the cosmopolitan disposition in a cosmopolitan city

Purpose The paper aims to focus on the role that cosmopolitanism and, in particular, “the cosmopolitan disposition” (Woodward et al., 2008) plays in the process of entrepreneurial business by transnational business elites in Dubai. Design/methodology/approach Adopting a relational perspective based on Bourdieu and Wacquant’s (1992) Reflexive Sociology, as well as an inductive design, the authors conducted 30 semi-structured interviews focusing on both expatriates and Emiratis (locals/nationals) who displayed key features of a transnational business elite. Findings The findings indicate that the cosmopolitan disposition is an asset for transnational business elites when they venture in the context of Dubai. Research limitations/implications The findings would have to be further replicated in similar contexts, i.e. other major cities displaying similar cosmopolitan features with Dubai. A theoretical framework that calls for further study of transnational entrepreneurship via the lens of cosmopolitan disposition and Bourdieuan “habitus” is proposed. Practical implications The research outlines cosmopolitan skills for a transnational business elite which are required when entrepreneurial ventures are developed in the context of a city like Dubai. Social implications Cosmopolitanism and transnational entrepreneurship change cities like Dubai around the world constantly. Therefore, this study aims at achieving a better understanding of these changes and the ways in which they occur. Originality/value Studies on transnational entrepreneurship have already adopted Bourdieu’s theory (1977/1986), but this is the first time the cosmopolitan perspective and disposition is researched using this approach

An empirical investigation of water consumption forecasting methods

Many regions on earth face daily limitations in the quantity and quality of the water resources available. As a result, it is necessary to implement reliable methodologies for water consumption forecasting that will enable the better management and planning of water resources. This research analyses, for the first time, a large database containing data from 2 million water meters in 274 unique postal codes, in one of the most densely populated areas of Europe, which faces issues of droughts and overconsumption in the hot summer months. Using the R programming language, we built and tested three alternative forecasting methodologies, employing univariate forecasting technique

Report on comparison among current industrial scale lignite drying technologies

Lignite constitutes a major energy source and has long been used for energy production despite its contribution in greenhouse gas (GHG) emissions, as a fossil fuel. For example, 27.4% of Germany’s electricity originates from lignite power plants, while in Greece more than 55% of its electric energy consumption is provided by lignite. 45% of the total global coal reserves consist of low-rank coals (LRCs) such as lignite. With this background, the utilization of lignite for energy production is expected to remain a common practice in the decades to come since the availability of lignite is considerable in many countries of Europe and the world (e.g. Germany, Poland, Greece, USA, and Australia). Therefore, problems regarding the combustion and use of lignite should be addressed in a more efficient and environmentally friendly way. One of the main existing problems is the high moisture contained in raw lignite as received from the mine. The high moisture content results in higher CO2 emissions per unit of energy produced and is responsible for high capital and transport costs as well as other technical problems such as reduction in coal friability and difficulties in its blending and pneumatic transportation. Therefore, processing of lignite through drying is considered of great interest in the implementation of energy production in lignite power plants. Taking into account the significance of the subject and the usefulness of such an attempt, an overview of the currently existing drying technologies, including both evaporative and non-evaporative drying methods is reported in the present paper