Hidden inequality in LOMCE

The Organic Law for the Improvement of the Educational Quality (LOMCE) supposes a step back in the development of education. The huge number of critics about this reform gives us a guideline to comment and value some weaknesses of this law. Through the explanation of two main topics: gender segregation and privatization of schools, one can see the negative effect that LOMCE hides: inequality.La Ley Orgánica para la Mejora de la Calidad Educativa (LOMCE) supone un retroceso en el desarrollo de la educación. El inmenso número de críticas que ha recibido nos sirve de guía para comentar y valorar algunas de sus carencias. Mediante la exposición de dos de sus tópicos más populares: segregación por sexos y la privatización de la enseñanza, se muestra la gran desigualdad educativa que dicha ley promueve.ReiDoCrea. Departamento de Psicología Social. Universidad de Granada

Límite, pasión y otras derivas

Esta ponencia adopta un formato conversacional y amplía el tema argumental presentado en la jornada de homenaje a Eugenio Trías en Cruce, Madrid el 2 de Abril de 2013 con motivo de su fallecimiento. Se pretende desarrollar la noción del límite desde el espacio liminar de la pasión y sus efectos en la filosofía y la arquitectura. La Pasión como espacio liminar es una indagación de las bases ontológicas que subyacen en el Tratado de la Pasión (Trías 1979), y la Lógica del Límite (Trías 1991). El texto trata de responder cuestiones como: _¿Qué lugar ocupa el Tratado de la Pasión y la Lógica del Límite en la propuesta filosófica de Eugenio Trías?. _¿Como actúa la pasión y qué efectos tiene en la actividad arquitectónica?. _ ¿Qué ideas-fuerza atraviesan el Pensamiento del Límite? _¿Podemos examinar el límite como paradigma del pensamiento y experimentación de la Arquitectura?, _¿La filosofía del límite podría proporcionar una estructura o método teórico para encuadrar la producción arquitectónica? _¿Cual es el alcance y desarrollo de la dimensión temporal en la filosofía del Límite

First-order equivalent to Einstein-Hilbert Lagrangian

A first-order Lagrangian L ∇ variationally equivalent to the second-order Einstein- Hilbert Lagrangian is introduced. Such a Lagrangian depends on a symmetric linear connection, but the dependence is covariant under diffeomorphisms. The variational problem defined by L ∇ is proved to be regular and its Hamiltonian formulation is studied, including its covariant Hamiltonian attached to ∇

Forest Ecosystem Services: An Analysis of Worldwide Research

The relevance of forests to sustain human well-being and the serious threats they face have led to a notable increase of research works on forest ecosystem services during the last few years. This paper analyses the worldwide research dynamics on forest ecosystem services in the period from 1998 to 2017. A bibliometric analysis of 4284 articles was conducted. The results showed that the number of published research articles has especially increased during the last five years. In total, 68.63% of the articles were published in this period. This research line experiences a growing trend superior to the general publishing trend on forest research. In spite of this increase, its relative significance within the forest research is still limited. The most productive subject areas corresponded to Environmental Science, Agricultural and Biological Sciences and Social Sciences Economic topics are understudied. The scientific production is published in a wide range of journals. The three first publishing countries are United States, China and the United Kingdom. The most productive authors are attached to diverse research centres and their contributions are relatively recent. A high level of international cooperation has been observed between countries, institutions and authors. The findings of this study are useful for researchers since they give them an overview of the worldwide research trends on forest ecosystem services

An Analysis of Global Research Trends on Greenhouse Technology: Towards a Sustainable Agriculture

Greenhouse farming is an agricultural management system that has demonstrated its efficiency in intensifying food production. These systems constitute a feasible alternative for ensuring food supply, which is one of the greatest challenges faced by humankind in the twenty-first century. Technology has been able to meet the challenges related to greenhouse farming in both contributing to overcoming its limitations, correcting adverse impacts and ensuring system sustainability. The objective of this article is to analyse the global research trends in greenhouse technology over the last two decades, in order to identify the main driving agents, the most outstanding research lines and possible gaps in the literature. Different methodologies have been used for the analysis; both quantitative and qualitative. The principal results show that there are different relevant lines of research related to different aspects of greenhouse farming: the use of water for irrigation, the design of the optimum structure of the greenhouse, conserving the soil in the best growing conditions, energy consumption of the system as a whole, climate control within the facility and pest control. The research is characterized by the being composed largely of ad hoc studies, which hinders the international collaboration between researchers and institutions. The research approach has shifted from being focused on increasing production and cost savings to aspects related to resource conservation and sustainability

The Sustainable Management of Metals: An Analysis of Global Research

The objective of this study was to analyze research trends in the field of sustainable management of metals on a global level between 1993 and 2017. To do so, a bibliometric analysis was carried out on a total of 6967 articles. The results revealed the growing interest in this research field, particularly over the last five year-period during which 63% of all articles were published. The three journals in which most articles had been published were the Journal of Cleaner Production, ACS Sustainable Chemistry and Engineering, and Chemsuschem. The countries that published the most articles were China, the United States, India, Germany, and the United Kingdom. A sizeable network of collaboration has been established between countries for the joint publication of studies. The main lines of research have been focused on metal decontamination in water and soil, waste management oriented towards reuse and recycling, and the innovation of processes for cleaner and more efficient production. The results revealed the need for comprehensive studies that integrate different disciplines within the same analytical framework, and to promote research that contributes to the different dimensions of sustainability (environmental, economic, and social)

Unravelling the optimization of few-layer graphene crystallinity and electrical conductivity in ceramic composites by Raman spectroscopy

Zirconia composites with few-layer graphene (FLG) were prepared by two powder processing routines -ultrasonic agitation or planetary ball milling- and spark plasma sintered at 1250 and 1300 °C. An in-depth study of the crystallinity of FLG, in terms of presence and nature of defects, was performed by Raman spectroscopy, revealing enhanced FLG crystallinity after sintering. This enhancement was more noticeable in the composites sintered at the highest temperature, with lower amount of structural defects and amorphous carbon. However, remaining amorphous carbon was detected in the composites prepared by planetary ball milling even after sintering at the highest temperature, resulting in lower electrical conductivities. Optimum results in terms of electrical conductivity were achieved for the composites prepared by ultrasonic agitation and sintered at 1300 °C, with electrical percolation limit below 2.5 vol% FLG and high electrical conductivity (678 S/m for 5 vol% FLG), as result of the enhanced FLG crystallinity after sintering.Ministerio de Ciencia, Innovación y Universidades PGC 2018- 101377-B-100Ministerio de Asuntos Económicos y Transformación Digital BES-2016- 078711Universidad de Sevilla USE-18740-

El relevo generacional y la mujer en el medio rural

La Unión Europea es ambiciosa y tiene entre sus objetivos conseguir ser un continente climáticamente neutro para 2050. Para ello, formula el Pacto Verde Europeo que alude directamente al sector agrario. La Política Agraria Común, como política económica incidente principalmente en el medio rural, tendrá que incorporar las directrices de las estrategias sin comprometer la competitividad de un sector estratégico que garantiza la seguridad alimentaria de la ciudadanía europea. Por su parte, el sector agrario adolece de la falta de jóvenes agricultores y agricultoras que releven a una población que está envejecida y donde, además, la mujer está infrarrepresentada. En este trabajo, se caracteriza el perfil de los responsables de la gestión de las explotaciones agrarias, los jefes y jefas de explotación, para obtener un retrato de las personas que se dedican al sector agrario que sirva de punto de partida para el diseño de medidas en las políticas públicas.The European Union is ambitious and has among its objectives to become a climate neutral continent by 2050. To this end, it formulates the European Green Pact which directly address the agricultural sector. Therefore, the Common Agricultural Policy, as an economic policy that mainly affects rural areas, will have to incorporate the guidelines of the strategies without compromising the competitiveness of a strategic sector that guarantees the food security of European citizens. For its part, the agricultural sector suffers from a lack of young farmers to take overfrom an ageing population and where, in addition, women farmers are underrepresented. In this work, the profile of those responsible for the management of agricultural holdings, the farm managers, is characterised in order to obtain a portrait of the people working in the agricultural sector that can serve as a starting point for the design of public policy measures