Creencias de los estudiantes en torno a los Espacios Virtuales de Aprendizaje en el desarrollo de la competencia comunicativa oral. Un estudio de caso

Oral communicative competence is traditionally neglected in the development of competence of students in compulsory education. In a highly demanding social and professional context, we must contribute to communication skills in general and to oral skills in particular. Together with this, given the digital and changing context in which we find ourselves, we need to know and master new means of production and reception of messages mediated by technology. Virtual Learning Environments open up an updated field of work that allows for feedback and the extension of the spatial-temporal limits of the classroom for the development of orality

Characteristics and origin of lunettes associated with La Lantejuela playa-lakes (Seville, Spain)

“Campiña” playa-lakes, originated in relation to clay-evaporite materials of Depression of the Guadalquivir, are characterized by their temporary hydroperiod and saline waters. Among these, it highlights the lacustrine complex of La Lantejuela, consisting of nine major playa-lakes and other smaller wetlands. Next to several playa-lakes, eight clay dunes with lunette morphology, heights of 5-19 meters and crests up to 4.6 km in length, are described. The origin of clay dunes is related to wetlands in arid regions, where clay-salt aggregates formed during dry season may be affected by aeolian erosion. Lunettes of La Lantejuela are located on the northern shore of playa-lakes, which is compatible with the current regime of winds, with stronger winds in summer from the southeast. Finally, it is concluded the complex origin of the playa-lakes of La Lantejuela, related to tectonic processes and, as is revealed in this study, to wind deflation processesLas lagunas de campiña, originadas en relación con los materiales arcilloso-evaporíticos de la Depresión del Guadalquivir, se caracterizan por su carácter temporal y sus aguas salinas. Entre estas, destaca el complejo lacustre de La Lantejuela, constituido por nueve lagunas principales y otras zonas húmedas menores. Junto a la orilla de varias cubetas lacustres se describen ocho dunas arcillosas con morfología de luneta, alturas de 5 a 19 metros y crestas de hasta 4,6 km de longitud. Las dunas arcillosas se forman en humedales de regiones áridas en los que, durante la estación seca, se desarrollan agregados arcilloso-salinos que pueden verse afectados por erosión eólica. Las lunetas de La Lantejuela se localizan en la margen septentrional de las cubetas lacustres, lo cual es compatible con el régimen de vientos actuales, con los vientos más fuertes en verano del sureste. Finalmente, se pone de manifiesto el origen complejo de las lagunas de La Lantejuela, relacionado con procesos tectónicos y, como se concluye en este trabajo, con procesos de deflación eólic

Chińska inicjatywa „jeden pas, jedna droga”: wyzwania i wymagania dotyczące jej skutecznego wdrożenia w Azji Środkowej

Twenty five years after the dissolution of the former Soviet Union and the reemergence of the Central Asian Republics as independent States, this region continues to be the scene of rivalries amongst the big powers (Russia, China, the European Union, USA, India, Japan, Turkey and Iran) competing in a sort of a “new Grand Game” to increase their geopolitical and economic influence in the region. Its geography, diverse and rich natural resources, like oil and gas, explain the ongoing hidden rivalries. Despite its common historical and cultural past, Central Asia constitutes a heterogeneous region with a multiethnic and multi-linguistic composition and a low degree of physical, economic and trade integration. The lack of mutual trust, the persisting tension over borders and the use and sharing of natural resources, as well as different levels of economic performance have so far jeopardized the development of genuine regional cooperation. Against this background, the idea behind the Chinese OBOR Initiative to develop rapid transportation, if well implemented, could theoretically, by improving interregional connectivity, develop the Central Asia regional market and foster intergovernmental cooperation and people-to-people contacts within the region. In this context, could we expect that the ambitious Chinese OBOR Initiative will boost geopolitical stability and promote shared economic and trade benefits in Central Asia? What are the conditions for that need to be fulfilled?The author analyzes in depth certain crucial political, economic and institutional requirements for the successful implementation of the OBOR Strategy and concludes, however, that three years after the launching of this crucial instrument of the Chinese “globalization without democracy” model, its implementation faces major problems and thus raises more doubts than certainties.Dwadzieścia pięć lat po rozwiązaniu byłego Związku Radzieckiego i ponownym zaistnieniu republik Azji Środkowej jako niezależnych państw region ten nadal jest sceną rywalizacji wielkich mocarstw (Rosji, Chin, Unii Europejskiej, USA, Indii, Japonii, Turcji i Iranu) konkurujących w swego rodzaju „nowej wielkiej grze”, mającej na celu zwiększenie wpływów geopolitycznych i gospodarczych w regionie. Trwające ukryte współzawodnictwo wyjaśniają jego geografia, zróżnicowane i bogate zasoby naturalne, takie jak ropa naftowa i gaz. Pomimo wspólnej przeszłości historycznej i kulturowej Azja Środkowa stanowi zrónicowany region o wieloetnicznej i wielojęzycznej strukturze oraz niskim stopniu integracji fizycznej, gospodarczej i handlowej. Brak wzajemnego zaufania, utrzymujące się napięcia dotyczące granic oraz wykorzystania i współużytkowania zasobów naturalnych, a także różne poziomy wyników gospodarczych stanowiły jak dotąd zagrożenie dla rozwoju prawdziwej współpracy regionalnej. W tym kontekście chińska inicjatywa OBOR (One Belt One Road – jeden pas, jedna droga), mająca na celu rozwój szybkiego transportu, teoretycznie mogłaby – w przypadku właściwej realizacji – poprawić połączenia międzyregionalne, rozwijając w ten sposób rynek Azji Centralnej oraz wspierając współpracę międzyrządową i kontakty międzyludzkie w regionie. Czy możemy w takim razie spodziewać się, że ambitna chińska inicjatywa OBOR zwiększy stabilność geopolityczną i pomoże uzyskać wspólne korzyści gospodarcze i handlowe w Azji Środkowej? Jakie są przesłanki, które należałoby spełnić? Autor szczegółowo analizuje pewne kluczowe wymagania polityczne, gospodarcze i instytucjonalne niezbędne w celu skutecznego wdrożenia strategii OBOR stwierdzając jednak, że trzy lata po uruchomieniu tego kluczowego instrumentu chińskiego modelu „globalizacji bez demokracji” jego wdrożenie stoi w obliczu poważnych problemów, budząc tym samym większe wątpliwości niż pewność

A comparative study of image processing thresholding algorithms on residual oxide scale detection in stainless steel production lines

The present work is intended for residual oxide scale detection and classification through the application of image processing techniques. This is a defect that can remain in the surface of stainless steel coils after an incomplete pickling process in a production line. From a previous detailed study over reflectance of residual oxide defect, we present a comparative study of algorithms for image segmentation based on thresholding methods. In particular, two computational models based on multi-linear regression and neural networks will be proposed. A system based on conventional area camera with a special lighting was installed and fully integrated in an annealing and pickling line for model testing purposes. Finally, model approaches will be compared and evaluated their performance..Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

El tema del placer en Platón

The author sees an evolution of the theory of pleasure in different dialogues of Plato. Martos is aware of the contradictions of this theory in the course of Plato's philosophical development and he says that Aristotle tried to reconcile these contradictions

The Relationship between Social Responsibility and Business Performance: An Analysis of the Agri-Food Sector of Southeast Spain

This study aims to contribute to the existing debate on the impact of corporate social responsibility (CSR) orientation on different measures of business performance through the proposal of a conceptual model. Drawing on stakeholder theory, we conceptualize CSR as a broad and multidimensional construct with seven dimensions: employees, partners, customers, farmers, environment, community, and competition. We also extend the concept of business performance, which includes tangible variables, namely financial performance (FP) and export performance (EXP), as well as intangible variables, namely image and reputation (IR) and the satisfaction of relevant stakeholders (SS). The research context of this study is the agri-food sector in southeastern Spain. This sector has been the focus of attention of numerous researchers due to the relevance that social and environmental aspects have had in its development. To test the proposed model, the partial least-squares technique (PLS-SEM) was applied to data collected by means of a survey from a sample of 107 companies, which represent 81.4% of the turnover of the sector analyzed. The results show that CSR has a positive effect on financial performance, improves the volume and performance of exports, positively affects the corporate image and reputation, and increases the level of satisfaction of relevant stakeholders. Further research should examine the model from the perceptions of other stakeholders (e.g., customers, employees, and suppliers), using a longitudinal research design and exploring other contexts

Un nuevo hápax en Vetio Valente: γυναικοκαυσία

Frente a la conjetura γυναῖκες Καυνίαι de D. Pingree en Vett. Val., II 37,17, se defiende con matices el mantenimiento por parte de W. Kroll de la lección manuscrita, γυναικοκαυσίαι, y se reivindica la inclusión de este hápax en los grandes diccionarios de referencia.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

The new challenges of the manufacturing industry applying the norm ISO 45001:2018

The present work reflects the impact that the manufacturing industries must solve in the application of the ISO 45001: 2018 Standard on Occupational Health and Safety Management Systems. In such, a globalized market where human and material assets must be preserved for the survival of organizations, management systems based on continuous improvement play an important role in ensuring compliance with applicable legal requirements, risk management and the opportunities, as well as the achievement of the best working conditions. The manufacturing industry has not been alien to this evolution; the nature of the risks present in the different industries, the operations carried out, the machinery, the use of work teams and their processes make this sector a priority and strategic sector that should be at the forefront of new technologies and rules. The implementation of the ISO 45001: 2018 standard in the manufacturing industry is a challenge for the implementation of high-level management systems that guarantee a healthy and safe environment for workers and a strategic and operational decision from the business point of view based on improving the performance of health and safety at work and increasing competitiveness in an increasingly demanding market.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech