274 research outputs found

    Violencia de género en Cartagena de indias: Crónicas e imágenes de un amor que se revela. Tratos inhumanos y crueles

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    Este artículo presenta resultados del proyecto de investigación: Estudio de caso de la pareja homicida en Cartagena de Indias. Un análisis de género. A través de cuatro apartes se muestran en él, los códigos culturales valorativos de las masculinidades en conflicto socializadas por los cartageneros que conllevan a actos brutales de irracionalidad y violencia que terminan con la vida de la pareja y vulneran los derechos de los niños, niñas y mujeres.Se presenta un panorama de Cartagena de Indias en los últimos años, en los que el amor, la muerte y la violencia tienden sus lazos, a través de discursos artificiosos que legitiman la muerte

    La violencia intrafamiliar en Cartagena: un asunto de mentalidades

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    Partiendo del supuesto que las subjetividades no son estructuras fijas temporales, sino, por el contrario, agentes movedizos que se reestructuran, redefinen, reactualizan reacondicionan en las dinámicas del tiempo y el espacio como ha quedado demostrado desde mayo de 1968, tras la revolución cultural que colocó de presente el carácter cultural en el cual se construye y se sustentan las sociedades, nuestra propuesta de investigación “Análisis Sociocultural de la Violencia Intrafamiliar en Cartagena desde el relato del o la Hablante. Un Estudio de Género”, se permitió de construir las relaciones conflictivas de la familia cartagenera (hombre, mujer, niñas, niños),definidas por patrones, modelos, conductas y códigos culturales que justifican los distintos roles de las subjetividades masculinas y femeninas en lo que se observa contradicción e inflexibilidad a partir de la socialización de géneros. La investigación realizada cuestiona los paradigmas familiares existentes en Cartagena, que ponen en evidencia una constante lucha entre el poder y el contrapoder, el orden y el desorden expresados en el golpe, el maltrato y el insulto, que en algunos casos termina con la eliminación del otro u otra

    Nutrient Contribution of Litterfall in a Short Rotation Plantation of Pure or Mixed Plots of Populus alba L. and Robinia pseudoacacia L.

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    This study aims to quantify the potential contribution of nutrients derived from leaf litter in a short rotation coppice plantation which includes monocultures of the species Populus alba (PA) and Robina pseudoacacia (RP) as well as a mixture of 50PA:50RP, in the middle of the rotation. The P. alba monoculture was that which provided the most leaf litter (3.37 mg ha−1 yr−1), followed by the 50PA:50RP mixture (2.82 mg ha−1 yr−1) and finally the R. pseudoacacia monoculture (2.55 mg ha−1 yr−1). In addition to producing more litterfall, leaves were shed later in the P. alba monoculture later (December) than in the R. pseudoacacia monoculture (October) or the mix (throughout the fall). In terms of macronutrient supply per hectare, the contributions derived from leaf litter were higher for K, P and Mg in the case of P. alba and for N in R. pseudoacacia, the mix presenting the highest Ca content and intermediate concentrations for the rest of the nutrients. In addition, other factors such as C:N or N:MO ratios, as well as the specific characteristics of the soil, can have an important impact on the final contribution of these inputs. The carbon contribution derived from leaf fall was higher in the P. alba monoculture (1.5 mg ha−1 yr−1), intermediate in the mixed plot (1.3 mg ha−1 yr−1) and slightly lower for the R. pseudoacacia monoculture (1.3 mg ha−1 yr−1). Given these different strategies of monocultures with regard to the dynamism of the main nutrients, species mixing would appear to be suitable option to achieve a potential reduction in mineral fertilization in these plantationsThis research was funded by MINECO (Spain) through the framework of the project’s RTA 2008-00025-C02-01 and RTA2017-00015-CO2 co-financed with funds from FEDERS

    Non-Cirrhotic Portal Hypertension in Human Immunodeficiency Virus-Infected Patients: A New Challenge in Antiretroviral Therapy Era

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    Non-cirrhotic portal hypertension (NCPH) has been recently reported as a liver disease in Human Immunodeficiency Virus (HIV)-infected patients under antiretroviral therapy (ART). Combination of non-exclusive mechanisms has been described: primary endothelial damage of terminal portal veins induced by HIV or immunologic disorders, mitochondrial toxicity by didanosine and prothrombotic state. It is characterized by heterogeneous liver histological findings, frequently identified as nodular regenerative hyperplasia and clinical manifestations of portal hypertension with well-preserved liver function. We describe herein two HIV-infected patients with clinical picture suggestive of NCPH. Besides the case reports, we briefly address questions to apply to patient care in clinical practice

    Poplar Short Rotation Coppice Plantations under Mediterranean Conditions: The Case of Spain

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    Developing a circular bioeconomy based on the sustainable use of biological resources, such as biomass, seems to be the best way of responding to the challenges associated with global change. Among the many sources, short rotation forest crops are an essential instrument for obtaining quality biomass with a predictable periodicity and yield, according to the areas of cultivation. This review aims to provide an overview of available knowledge on short rotation coppice Populus spp. plantations under Mediterranean conditions and specifically in Spain, in order to identify not only the status, but also the future prospects, for this type of biomass production. The analysis of available information was conducted by taking into consideration the following aspects: Genetic plant material; plantation design, including densities, rotation lengths and the number of rotations, and mixtures; management activities, including irrigation, fertilization, and weed control; yield prediction; biomass characterization; and finally, an evaluation of the sustainability of the plantation and ecosystem services provided. Despite advances, there is still much to be done if these plantations are to become a commercial reality in some Mediterranean areas. To achieve this aim, different aspects need to be reconsidered, such as irrigation, bearing in mind that water restrictions represent a real threat; the specific adaptation of genetic material to these conditions, in order to obtain a greater efficiency in resource use, as well as a greater resistance to pests and diseases or tolerance to abiotic stresses such as drought and salinity; rationalizing fertilization; quantifying and valuing the ecosystem services; the advance of more reliable predictive models based on ecophysiology; the specific characterization of biomass for its final use (bioenergy/bioproducts); technological improvements in management and harvesting; and finally, improving the critical aspects detected in environmental, energy, and economic analyses to achieve profitable and sustainable plantations under Mediterranean conditionsThis research was funded by the Ministry of Science and Innovation (Spain) through the framework of the INIA projects RTA2017-00015-CO2, co-financed with funds from FEDERS

    Homeshare Europe: alojamiento compartido a cambio de ayuda en Europa

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     Ентальпії змішування сплавів системи Ni – O – M (M – IVb-, Vb,- VIb-метали) вивчені методом калометрії за Т = 1780 К. Показано, що порційні ентальпії змішування для всіх досліджених  систем є негативними величинами. D`Ні  цих сплавів підтверджуються даними, отриманими методом електрорушійної сили з твердим окисним електролітом.</p

    Energy losses estimation in low voltage smart grids by using loss maps

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    This paper has been presented at the 3rd International Conference on Energy, Environment and Economics (ICEEE2018).Energy efficiency is one of the most important aspects to consider when planning and operating Smart Grids. Consequently, Distribution Systems Operators (DSOs) are focusing in identifying those activities that will increase the efficiency in their distribution networks. An increase in energy efficiency clearly applies a reduction of energy losses. However, the estimation and the calculation of power losses in distribution networks is a process that has not been solved in a satisfactory way. Low Voltage (LV) distribution networks are characterized by a relevant uncertainty in the topology, grid data (length and sections of cables) and customer connection point or customer demand in real time. In this paper, the process of estimating losses is raised as a feeder losses estimator process, where the LV grid's feeders are classified into representative feeders. For each representative feeder a 'losses map' is obtained which will infer the maximum level of losses in the corresponding feeder for different loads demands by Monte Carlo simulations. These losses maps offer the advantage of providing the maximum losses feeder without it being necessary to execute load flows algorithms. Grid data used in this paper belongs to the networks of the Spanish research project OSIRIS. The OSIRIS project is a demonstration project that join industry and academia to unfold the smart grids know-how aiming an optimal supervision. The project is led by the utility Naturgy (former Gas Natural Fenosa) within a national 'smart meter' roll-out. The architecture and configuration of the OSIRIS's distribution networks are heterogenous involving rural as well as urban areas.This work has been partly funded by the Spanish Ministry of Economy and Competitiveness through the National Program for Research Aimed at the Challenges of Society under the project OSIRIS (RTC-2014-1556-3)

    Meropenem antimicrobial stewardship program: clinical, economic, and antibiotic resistance impact

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    Background. There are few prospective studies with sufficient duration in time to evaluate clinical and antibiotic resistance impact of Antibiotic Stewardship Programs (ASP). Methods. Descriptive study between January-2012 to December-2017, pre-postintervention. An meropenem ASP was initiated in January 2015, in patients who started treatment with meropenem an infectious diseases physician performed treatment recommendations to prescribers. Prospective information was collected to evaluate adequacy of meropenem prescription to local guidelines and to compare results between cases with accepted or rejected intervention. Analysis was performed to verify variables associated with intervention acceptance and with any significant change in meropenem consumption, hospital-acquired multidrug-resistant (MDR) bloodstream infections (BSIs) and 30-day all-cause crude death in MDR BSIs. Results. Adequacy of meropenem prescription and de-escalation from meropenem treatment to narrower-spectrum antibiotic improved progressively over time, after ASP implementation (p<0.001). Interventions on prescription were performed in 330 (38.7%) patients without meropenem justified treatment, in 269 intervention was accepted and in 61 not. Intervention acceptance was associated with shorter duration of treatment, cost and inpatient days (p<0.05); intervention rejection was not associated with severity of patient. During the period 2015-2017, meropenem consumption decreased compared with 2012-2014 [Rate ratio (RR) 0.67; 95%CI: 0.58- 0.77, p<0.001]). Likewise decreased, hospital-acquired MDR BSIs rate (RR 0.63; 95%CI: 0.38-1.02, p=0,048) and 30-day all-cause crude death in MDR BSIs (RR 0.45; 95%CI: 0.14-1.24, p=0.09), coinciding in time with ASP start-up. Conclusions. The decrease and better use of meropenem achieved had a sustained clinical, economic and ecological impact, reducing costs and mortality of hospital acquired MDR BSIs

    Sensory Profile of Greek Islands Thyme Honey

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    The sensory profiles of thyme honey from the Greek islands with different thymus pollen grain contents (A: >60%, B: 40–60%, and C: 18–40%) were studied. The results of the physico-chemical analyses fulfilled the criteria set by international quality standards and, specifically, Greek legislation (moisture content 20 DN). The sensory results showed that there were significant differences between groups with different pollen grain contents (p < 0.01) for all attributes except for floral aroma, with the Group A samples being the lightest in color (4.9 ± 1.8) and having the highest floral odor intensity (5.0 ± 2.0) and salty taste (3.5 ± 1.1). Additionally, samples with the highest pollen grain content (i.e., Group A) had olfactory notes of wood/wax/resin and a chemical aroma
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