Search results for "d-a"
showing 10 items of 426 documents
Guérir les blessures de l'Afrique du Sud
2009
On the eve of the democratic elections scheduled in South Africa in 2009, this collection of essays analyses the many ways in which South Africans have been trying to heal the wounds of apartheid, as advocated in Nelson Mandela’s famous 1994 speech, delivered at the dawn of the ‘ new ’ South Africa. The articles encompass such diverse fields as politics, literature, cinema, welfare policies or education, and they all seek to explore the sea change which totally reshaped South African identity in the last fifteen years that followed the demise of apartheid. The notion of ‘ healing the wounds’ is used both as a pretext and as a focal point to build up as complete a picture as possible of Sout…
Demographic aspects of aging
2021
Population aging is occurring in almost all developed countries, albeit with differences in timing and intensity. This unprecedented phenomenon is evident not only in the change in the population age structure, but also in the impressive increase in the average length of life. After describing past, current, and future population trends, this contribution presents theories explaining the reasons for this long-term process that is completely reshaping the age structure of the population. It also describes the inequalities in aging (focusing in particular on the differences by gender, education, and cause of death), and introduces some measures of the individual health and economic consequenc…
A simple operation strategy of battery storage systems under dynamic electricity pricing: An Italian case study for a medium-scale public facility
2014
In the electricity market, wholesale energy prices depend on the balance between energy production and load demand. In the last few years, electricity market has become more and more flexible as many utilities have started to replace the fixed retail prices schemes with prices changing during the day. Dynamic pricing, also known as Real-Time Pricing (RTP), reflects the trend of the wholesale market and allows to reduce the volatility of the wholesale prices, also contributing to a reduction of demand peaks. Electricity customers take advantage of dynamic pricing by shifting their consumption according to the real-time prices or by using Battery Energy Storage Systems (BESS) to shift electri…
La atención al ODS 12 en la Educación Científica. Propuesta didáctica para su incorporación en Ed. Secundaria
2020
El Antropoceno se ha propuesto como un nuevo periodo caracterizado por la evidente y generalizada influencia de la humanidad en el registro geológico. En el presente TFM se propone su uso en didáctica de las ciencias como herramienta para la concienciación del alumnado y en general para toda la ciudadanía, dado que aúna todos los problemas socioambientales actuales y sus causas La utilización del concepto puede contribuir a la implicación del alumnado y a afrontar las las medidas que se requieren, de forma más eficiente, evitando el olvido de la atención a algunos de los problemas que constituyen la problemática holística de la insostenibilidad. Además de analizar su utilización en la enseñ…
Preliminary results of a PV closed greenhouse system for high irradiation zones in south Italy
2011
Dialogue as a Response to the Psychiatrization of Society? Potentials of the Open Dialogue Approach
2021
In recent decades, the use of psychosocial and psychiatric care systems has increased worldwide. A recent article proposed the concept of psychiatrization as an explanatory framework, describing multiple processes responsible for the spread of psychiatric concepts and forms of treatment. This article aims to explore the potentials of the Open Dialogue (OD) approach for engaging in less psychiatrizing forms of psychosocial support. While OD may not be an all-encompassing solution to de-psychiatrization, this paper refers to previous research showing that OD has the potential to 1) limit the use of neuroleptics, 2), reduce the incidences of mental health problems and 3) decrease the use of ps…
El papel de la prensa en la educación científica y tecnológica
2015
En una sociedad como la actual, donde la ciencia y la tecnología impregnan el día a día, resulta esencial la formación de una ciudadanía con capacidad crítica para participar en la toma de decisiones sobre cuestiones relacionadas con la ciencia y la tecnología, de forma fundamentada. La necesidad de una alfabetización no solo científica, sino también mediática e informacional de la ciudadanía, unida al grave fracaso escolar y a la falta de interés por los estudios científicos, puesta de manifiesto reiteradamente por la investigación, requieren una actuación desde diferentes ámbitos (tanto desde la educación formal como de la no reglada), con propuestas y estrategias que contribuyan a una me…
Embedded-atom calculations of Auger and x-ray photoemission shifts for metallic elements
1982
Change in self-consistent-field energy density-functional calculations are reported for Auger and core-level binding-energy shifts in sp-bonded metals. The basic model, atom in jellium vacancy, gives good agreement with experiment, especially in the Auger case. The chemical and relaxation contributions to the shifts are discussed, and the extra-atomic response is analyzed in detail, both in position and energy space. The adequacy of the "excited-atom" approach to the energy shifts is discussed. Peer reviewed
Ocular gelling microspheres: in vitro precorneal retention time and drug permeation through reconstituted corneal epithelium.
2008
Purpose: The model drug norfloxacin (NOR)was encapsulated into trehalose (TRH) and hydroxyethylcellulose(NAT) microspheres to obtain a novel gelling ophthalmic delivery system for prolonged release on corneal tissue. Methods: We assessed NOR release from microspheres, prepared by the emulsion-solvent evaporation method. A new in vitro tear turnover model, including inserts containing reconstituted human corneal epithelium (RHC), was designed to evaluate the TRH/NAT microspheres’ precorneal retention time. Bioadhesive properties of TRH/NAT microspheres were validated by using drug-loaded microspheres prepared with gelatine (GLT) commonly used as reference material in adhesion studies. Result…
Electron Irradiation Effects on Single‐Layer MoS 2 Obtained by Gold‐Assisted Exfoliation
2022
International audience; Mechanical exfoliation assisted by gold is applied to obtain good quality large lateral size single-layer MoS2. The effects of 2.5 MeV electron irradiation are investigated at room temperature on structural and electronic features by Raman and microluminescence spectroscopy. The exciton recombination emission in the direct bandgap of single-layer MoS2 is affected during irradiation starting from the minimum explored dose of 1 kGy. At higher doses, Raman bands show no relevant modifications whereas the exciton emission is quenched, suggesting that irradiation-induced point defects affect exciton dynamics.