92 research outputs found

    Tribunal del Jurado: Efectos de la participación en el cambio de opinión y conocimiento de sus miembros

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    El siguiente estudio se propone evaluar el cambio de opinión y conocimiento en los miembros de un jurado simulado ("jurado en la sombra") compuesto por 19 participantes voluntarios. Mediante un cuestionario creado "ad hoc" y administrado pre-post experiencia evaluamos las características individuales y de procedimiento. Los resultados revelaron una diferencia significativa en una mejor valoración de la defensa frente a la acusación, concederle más importancia al origen del delito y una mejora del conocimiento sobre el funcionamiento del jurado y sus funciones. Dichos resultados si bien muestran limitaciones muéstrales nos permiten establecer que existe un mejor conocimiento del jurado tras la experiencia vivida, pero no se producen modificaciones significativas en las opiniones

    Development and recent activity of the San Andrés landslide on El Hierro, Canary Islands, Spain

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    Extremely voluminous landslides with a long run-out (also known as megalandslides) on oceanic volcanic islands are infrequent denudational processes on such islands. At the same time, they represent a major geological hazard that must be looked into to avoid negative consequences for the inhabitants of these islands. Their occurrence can be related to periods of intense seismo-volcanic activity, similar to that which occurred on El Hierro Island over 2011-2012. Landslides on volcanic islands are studied using onshore and offshore geological, geophysical and geomorphological records, considering their unique triggering conditions (e.g. lava intrusions, eruptive vents, magma chamber collapses). Previous work has pointed out similarities between specific cases of landslides on volcanic islands and deep-seated gravitational slope deformations (DSGSDs) which are typical in high mountain settings. Nevertheless, the methodological approaches and concepts used to investigate DSGSDs are not commonly applied on volcanic islands studies, even though their use may provide new information about the development stage, recent movements and future hazards. Therefore, this approach for studying the San Andrés landslide (SAL) on El Hierro (Canary Islands) has been developed applying a detailed morphological field mapping, an interpretation of digital elevation models, structural measurements, kinematic testing, and a precise movement monitoring system. The acquired information revealed a strong structural influence on the landslide morphology and the presence of sets of weakened planes acting as the sliding surfaces of the SAL or secondary landslides within its body. The presence of secondary landslides, deep erosive gullies, coastal cliffs and high on-shore relative relief also suggests a high susceptibility to future landslide movement. Direct monitoring on the landslide scarps and the slip plane, performed between February 2013 and July 2014, using an automated optical-mechanical crack gauge with a precision of up to 10-2 mm, detected creep movement in the order of 1 mm yr-1 with a persistent sinistral component as well as episodic horizontal and a subtle vertical movement. This monitoring will continue in the future in order to verify the initial observations, which instead of long-term movement patterns, could represent a landslide response to the period of an intense seismo-volcanic activity during 2011-12.The authors would like to thank the National Geographic Society/Waitt Grants Program (No. W244-12) and CzechGeo/EPOS (Project No. LM2010008) for the financial support of the research. We also thank the Spanish National Geographical Institute and the El Hierro Island Authority whose personnel provided us with useful support during the field installation of the measuring instruments. This work was carried out thanks to the unconditional support of the long-term conceptual development research organisation RVO: 67985891.Peer reviewe

    Pornografía infantil online: una revisión literaria de enfoque cultural

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    Due to the Internet expansion around the world, child pornography is internationally considered as a crime, but we are uncertain of whether culture has some impact on it. The objective of the present review was to explore cultural aspects included in literature as key variables to analyse this type of crimes, using Hofstede’s cultural dimensions (2010) as theoretical framework. A total of 125 papers on pornography (period: 2003-2016) were found in Web of Science®; but only 50 contain some implicit or explicit cultural references. The results showed few cultural variables considered for the scientific approach to child pornography, being the country of birth or race the mainly only ones considered. The major contribution of our research highlights the importance to incorporate the cultural dimension in the police task to assess the indicators that determine the risk factors in aggressors. In this sense, the present research contributes to hypothesize probable cultural differences when using tools as the Kent Internet Risk Assessment Tool (KIRAT) in the European context.ResumenLa eclosión de Internet a nivel mundial ha facilitado la diseminación de pornografía infantil, siendo esta consi­derada un crimen a escala internacional. Por ello, hemos considerado relevante analizar los aspectos culturales vinculados a este delito. El objetivo de la presente inves­tigación ha sido explorar los aspectos culturales incluidos en la literatura científica como variables clave para anali­zar este tipo de delitos, partiendo de las dimensiones culturales de Hofstede (2010) como marco teórico. Du­rante los años 2003 a 2016 se han publicado un total de 125 artículos sobre pornografía en la Web of Science®, si bien sólo 50 de ellos contenían referencias culturales implícitas o explícitas. Los resultados mostraron que son pocas las variables culturales consideradas, siendo el país de nacimiento o la raza las principalmente incluidas. El principal resultado de nuestra investigación constata la importancia de incorporar la dimensión cultural en el tra­bajo policial al establecer los indicadores que determinan el factor de riesgo en agresores. En este sentido, en el contexto europeo, herramientas como la Kent Internet Risk Assessment Tool (KIRAT) se han visto enriqueci­das a partir de los resultados de esta investigaciónAbstractDue to the Internet expansion around the world, child pornography is internationally considered as a crime, but we are uncertain of whether culture has some impact on it. The objective of the present review was to explore cultural aspects included in literature as key variables to analyse this type of crimes, using Hofstede’s cultural dimensions (2010) as theoretical framework. A total of 125 papers on pornography (period: 2003-2016) were found in Web of Science®; but only 50 contain some implicit or explicit cultural references. The results showed few cultural variables considered for the scientific approach to child pornography, being the country of birth or race the mainly only ones considered. The major contribution of our research highlights the importance to incorporate the cultural dimension in the police task to assess the indicators that determine the risk factors in aggressors. In this sense, the present research contributes to hypothesize probable cultural differences when using tools as the Kent Internet Risk Assessment Tool (KIRAT) in the European context.

    Caracterización fisicoquímica de frutas de la zona del Sinú para su agroindustrialización

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    In the Sinú Valley, there is a great diversity of fruits that are not used due to economical and technical limiting factors. This originates losses especially in perishable ones. In this research, different fruit species with economic potential were analyzed with the purpose of determining their physicochemical characteristics and to correlate them with possible industrial processing. Three randomized fruit samples were taken with three replicates and characteristics such as pH, acidity, ªBrix and yield were evaluated. The results were analyzed with Tukey’s test (95%) and a cluster analysis. It was found that a great variety of desirable fruits exists for processing such as tamarind (pH 2.9, acidity 0.8%, S.S 15.5% and yield of 38.6% edible part). Other fruit with great potential is Grossella, because of the high-yield and processing potentialityEn la zona del Sinú, existe una gran diversidad de frutas, que no son aprovechadas por la poca capacidad de negociación de los productores y por la carencia de infraestructura y capacitación técnica, lo que origina pérdidas de estos productos, en especial los perecederos, en época de cosecha. En esta investigación se analizaron las diferentes especies de frutas promisorias encontradas en la zona con el objetivo de determinar sus características fisicoquímicas y correlacionarlas con las posibilidades de agroindustrialización, para lo cual se tomaron muestras aleatoreamente y por triplicado; determinando las características de pH, acidez, °Brix y rendimiento. Los datos fueron analizados aplicando un test de media de Tukey (95%) y un análisis de cluster. Se encontró que existe una gran variedad de frutos aptos para el procesamiento como el tamarindo con valores de pH 2.9, acidez 0.8%, sólidos solubles 15.5% y rendimiento de 38.6% en parte comestible. Dentro de las frutas encontradas se destaca como una fruta promisoria la grosella dado el alto rendimiento y su potencialidad agroindustrial

    Real-time ultrasound-guided thoracentesis in the intensive care unit: prevalence of mechanical complications

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    Background: The use of thoracic ultrasound during thoracentesis reduces complications. The aim of this study was to determine the prevalence of complications for real-time ultrasound-guided thoracentesis performed by intensivists. As a secondary objective, the change in oxygenation before and after the procedure was evaluated. Patients and methods: An observational prospective study was conducted. A total of 81 cases of real-time ultrasound-guided thoracentesis performed by intensivists in the intensive care unit (ICU) of Méderi Major University Hospital, Bogotá, Colombia, between August 2018 and August 2019 were analyzed. Thoracentesis performed by interventional radiologists and using techniques different from the focus of this study were excluded from the analysis. Results: There was one pneumothorax, for a prevalence rate of mechanical complications in this population of 1.2%. The mean partial oxygen pressure to inspired oxygen fraction ratio (PaO2/FiO2) prior to the procedure was 198.1 (95% CI 184.75–211.45), with a PaO2/FiO2 after the procedure of 224.6 (95% CI 213.08–226.12) (p and lt; 0.05). Conclusions: Real-time ultrasound-guided thoracentesis performed by intensivists is a safe procedure and leads to a significant improvement in oxygenation rates. Future studies are required to determine the impact of these results on other outcomes, such as mortality, ICU stay, and days of mechanical ventilation. © 2020, The Author(s)

    Caracterización de residuos sólidos en una institución de educación superior: caso de estudio campus Robledo de la Universidad Nacional de Colombia, sede Medellín

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    El siguiente artículo presenta los resultados de la caracterización de los residuos sólidos (RS) del campus Robledo de la Universidad Nacional de Colombia sede Medellín. El propósito del estudio fue determinar la producción total y específica de los residuos no peligrosos, además de establecer medidas de intervención relacionadas con educación ambiental, aprovechamiento, valorización, compra de recipientes y disminución en la tasa de aseo, entre otros, que puedan ser implementadas por las directivas de la universidad en un futuro cercano. En el periodo caracterizado (una semana) se pesaron todos los residuos no peligrosos generados en cada uno de los bloques (edificios), cafeterías y restaurantes, además de establecer la composición física de éstos para conocer la tipología que se genera con mayor predominancia. Se tomó como referencia la norma técnica ASTM D5231-92 y los lineamientos del Centro Panamericano de Ingeniería Sanitaria y Ciencias del Ambiente CEPIS/OPS, para determinar el periodo de muestreo, composición física, producción per cápita y densidad. Los resultados mostraron que en el campus se generan 1 146.9 kg de RS a la semana, 163.7 kg/día y una producción per cápita de 0.054 kg/persona-día; se encontró que hay una gran generación de residuos orgánicos (459.78 kg/semana) y que las cafeterías y restaurantes contribuyen en gran medida a la generación de residuos (50.39 %). Estos resultados también permitirán establecer patrones de comparación con otras universidades y sectores económicos, y formular estrategias de sostenibilidad y políticas públicas que permitan subsanar problemáticas ambientales locales y regionales asociadas con la gestión de los residuos sólidos

    Caracterização e avaliação morfológica da coleção colombiana de achira, Canna edulis Ker Gawl. (Cannaceae)

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    An evaluation of the Colombian collection of achira Canna edulis Ker Gawl. (Cannaceae) was carried out at La Selva Research Station, of the Colombian Corporation for Agricultural Research (Corpoica). The characterization process consisted of measuring qualitative and quantitative variables. The measured variables included forty (40) qualitative attributes with 192 polymorphic stages and thirty-one (31) quantitative attributes with twenty-six (26) continuous and five (5) discontinuous attributes. Variability was observed in 39 of the 41 qualitative variables, which indicates a 95.12 % polymorphism rate of the recorded attributes, with a maximum of 90 % and minimum of 50 % similarity among accessions. On the other hand, all 31 recorded quantitative attributes exhibited variability among plant materials in the collection. In addition, 16 plant materials did not produce any inflorescences during the study, which indicates that there are behavioral differences under the same environment which are likely associated to their genetic makeup. The knowledge gained from this study will enable to use the collection of this biological resource to support the development of this species as a crop by supplying plant materials that could be used in selection programs, development of cultivars and the gathering of states of descriptors not present in the collection.En el Centro de Investigación La Selva, de la Corporación Colombiana de Investigación Agro­pecuaria (Corpoica), se realizó la evaluación de la colección colombiana de achira, Canna edulis Ker Gawl. (Cannaceae). Este proceso de caracterización se desarrolló de acuerdo con variables cualitativas y cuantitativas, y mediante la inclusión de nuevas variables que comprendieron 40 atributos cualitativos (192 estados) y 31 cuantitativos (26 atributos continuos y 5 discontinuos). Se obtuvo variabilidad en 39 de las 40 variables cualitativas, lo que señala un 95,12 % de polimorfismo en los atributos regis­trados, con similitudes máximas del 90 % y mínimas del 50 %. Por su parte, todas las 31 características cuantitativas registradas exhibieron variabilidad entre las introducciones de la colección. En el periodo de registro de la información, 16 de las accesiones no exhibieron floración, lo cual indica que hay diferencias en el comportamiento dentro del mismo ambiente, atribuibles a la constitución genética. El conocimiento logrado permitirá utilizar la colección de este recurso biológico para apoyar el desarrollo del cultivo de la especie, a través de la oferta per se de materiales, de programas de selección, del desarrollo de cultivares y de la recolección de estados de descriptores no presentes en la colección.No Centro de Pesquisa La Selva, da Corporação Colombiana de Pesquisa Agropecuária (Corpoica),realizou-se a avaliação da coleção colombiana de achira, Canna edulis Ker Gawl. (Cannaceae). Este processo de caracterização desenvolveu-se de acordo com variáveis qualitativas e quantitativas e mediante a inclusão de novas variáveis que compreendeu 40 atributos qualitativos (192 estados) e 31 quantitativos (26 atributos contínuos e 5 descontínuos). Obteve-se variabilidade em 39 das 40 variáveis qualitativas, o que assinala um 95,12 % de polimorfismo nos atributos registrados, com similitudes máximas do 90 % e mínimas do 50%. Pela sua parte, todas as 31 características quanti-tativas registradas exibiram variabilidade entre as introduções da coleção. No período de registro da informação, 16 das acessões não exibiram floração, o qual indica que há diferenças no comportamento dentro do mesmo ambiente, atribuíveis à cons-tituição genética. O conhecimento conseguido permitirá utilizar a coleção deste recurso biológico para apoiar o desenvolvimento da cultura da espécie, através da oferta per se de materiais, de programas de seleção, do desenvolvimento de cultivares e da colheita de estados de descritores não presentes na coleção

    La agenda de los jóvenes

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    Este capítulo aborda en primer lugar propuestas desde el fortalecimiento, acceso y financiación de la educación superior. También plantea opciones de corto plazo para que entre universidades y colegios logren mitigar los efectos negativos que la pandemia trajo en la transición hacia la educación superior. Finalmente plantea recomendaciones que permitan dinamizar el mercado laboral de los jóvenes, que van desde certificaciones automáticas tempranas hasta apoyo con fondos públicos a la generación de primer empleo privad

    Bolzano/Bozen Corpus: Coding Information about the Speaker in IMDI Metadata Structure

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    The paper introduces a new collection of spoken data (the Bolzano/Bozen Corpus) available through The Language Archive of Max Planck Institute of Nijmegen. It shows an example of the issues encountered in accommodating information of an existent corpus into IMDI metadata structure. Finally, it provides preliminary reflections on CMDI: a componentbased metadata format.Questo contributo presenta una nuova raccolta di dati di parlato (il Bolzano/Bozen Corpus) che è ora disponibile per la consultazione tramite il Language Archive del Max Planck Institute di Nimega. Vi si mostra un esempio dei problemi che si possono incontrare nell’inserimento all’interno della struttura di metadati IMDI delle informazioni relative a un corpus già esistente. Infine, vi si presentano alcune considerazioni preliminari riguardanti il formato di metadatazione CMDI, basato su componenti
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