1,106 research outputs found

    Anemia en el tercer trimestre de gestación como factor de riesgo de bajo peso al nacer en recién nacidos a termino. Hospital regional docente de Trujillo 2014 - 2015

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    Determinar si la anemia en el tercer trimestre de gestación es factor de riesgo de bajo peso al nacer en recién nacidos a término del Hospital Regional Docente de Trujillo. Material y método: Se llevó a cabo un estudio de tipo retrospectivo, de corte transversal, observacional, analítico, de casos y controles. La población de estudio estuvo constituida de 162 recién nacidos a término durante el período 2014-2015; los cuales, según los criterios de selección establecidos, fueron distribuidos en dos grupos: con bajo peso al nacer (54) y con peso adecuado (108). Se aplicó el test de Chi cuadrado y el odds ratio para demostrar asociación y significancia entre las variables. Resultados: La frecuencia de anemia en el tercer trimestre de gestación, en las madres de os recién nacidos a término con bajo peso al nacer y adecuado peso al nacer, fue de 52% y 28%, respectivamente. El odss ratio de anemia en el tercer trimestre de gestación en relación al bajo peso al nacer en recién nacidos a término fue de 2.80 (p < 0.05), siendo su intervalo de confianza al 95% (1.42 – 5.53). Conclusión: La anemia en el tercer trimestre de gestación es factor de riesgo de bajo peso al nacer en recién nacidos a término del Hospital Regional Docente de Trujillo.Determine if anemia in the third trimester of pregnancy is a risk factor for term low birth weight neonates at the Regional Docente of Trujillo Hospital. Methods: It was conducted a retrospective, cross – sectional, observational, analytical, cases and controls investigation. The study population was conformed for 162 term neonates during the period 2014-2015; which, according to the established selection criteria, were divided into two groups: with low birth weight (54) and proper weight (108). Chi square test and odds ratio was applied to show significant association between the variables Results: The frequency of anemia in the third trimester of pregnancy, in mothers of term neonates with low birth weight and adequate birth weight, was 52% and 28%, respectively. The odds ratio of anemia in the third trimester of pregnancy in relation to term low birth weight neonates was 2.80 (p <0.05), confidence interval being 95% (1.42 - 5.53). Conclusion: Anemia in the third trimester of pregnancy is a risk factor for term low birth weight neonates at the Regional Hospital of Trujillo

    Diseño del cuadro de mando integral en el área financiera para las empresas del Sector de la Confección en el departamento de Risaralda

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    En el presente trabajo se muestran de manera clara dos elementos: un panorama de lo que ha significado para la economía nacional y local el desarrollo de la Industria de la Confección y la implementación del Cuadro de Mando Integral como herramienta estratégica en el área financiera, aplicándolo como patrón de evaluación y sistema de toma de dediciones en las principales industrias del sector Confecciones del departamento de Risaralda.The present work clearly shows two components: an overview of what it has meant to the national and local economy the development of Apparel Industry and the implement of Balanced Scorecard as a strategic tool in finance, applying as a yardstick and decisions making system in main Apparel Industries from the Department of Risaralda

    Evaluation of key aggregate parameters on the properties of ordinary and high strength concretes

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    [EN] This paper reports the results of a study conducted to determine the influence of coarse aggregate type on the workability, compressive strength, and flexural strength of normal and high strength concretes with target 28-day compressive strengths of 30 and 60 MPa and two water/cement ratios of 0.44 and 0.27. The concretes were prepared using four types of natural coarse aggregates, namely diabase, calcareous, river gravel, and basalt, with maximum particle sizes of 12.7 and 19.1 millimeters. Silica fume was added to the high-strength concretes at a replacement ratio to Portland cement of 10% by mass. The results showed that among all aggregates, basaltic aggregate with a maximum particle size of 12.7 millimeters produced concrete with the highest compressive and flexural strength, followed by limestone and river aggregate, indicating that particle size, surface texture, structure and mineralogical composition play a dominant role in the behavior of concretes, especially high strength concretes. Normal strength concretes showed similar compressive strengths, while the concrete containing limestone gave slightly higher strength. These results show that for a given water/cementitious material ratio, the influence of the type of coarse aggregate on the compressive strength of the concrete is more important for high strength concrete than for normal strength concrete.Salas-Montoya, A.; Mira-Rada, BE. (2023). Evaluation of key aggregate parameters on the properties of ordinary and high strength concretes. VITRUVIO - International Journal of Architectural Technology and Sustainability. 8:76-85. https://doi.org/10.4995/vitruvio-ijats.2023.195967685

    Procesos de gestión del conocimiento y procesos de gestión de la propiedad intelectual: un marco conceptual integrado

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    Intellectual property management, knowledge management are disciplines that have been treated independently, both in academia and in the organizational field. Through the legal discipline of intellectual property, the former manages intangible assets that are eligible for protection (copyright, patents and trademarks, among others) leaving aside those assets that cannot be realized in any way. The latter is devoted to the processes of knowledge management in general, namely, the knowledge of the processes, people, documents, etc. without any special status for protected knowledge. This article is the result of an exploratory research that has focused on the description of the design of a conceptual framework that integrates knowledge management processes and intellectual property processes, addressing both protected and unprotected knowledge. This research was carried out in two phases: a relationship with the documentary revision and the other with the definition and design of the proposed framework.La gestión de la propiedad intelectual y la gestión del conocimiento son disciplinas que se han tratado de manera independiente, tanto en el campo académico como en el organizacional. La primera administra, a través de la disciplina jurídica de la propiedad intelectual, los activos intangibles que son susceptibles de protección: derechos de autor, patentes y marcas, entre otros. La segunda se dedica a los procesos de administración del conocimiento en general, es decir, al conocimiento de los procesos, las personas, los documentos, sin considerar un tratamiento especial para el conocimiento protegido. El artículo es el resultado de una investigación de carácter exploratorio que se han enfocado en la descripción del diseño de un marco conceptual que integra los procesos de la gestión del conocimiento, de la de la propiedad intelectual, el conocimiento protegido y no protegido de la organización. Esta investigación fue realizada en dos fases: una relacionada con la revisión documental y la otra con la definición y diseño del marco de referencia propuesto

    VERITAS long term monitoring of Gamma-Ray emission from the BL Lacertae object

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    BL Lacertae is the prototype of the blazar subclass known as BL Lac type objects. BL Lacertae object itself is a low-frequency-peaked BL Lac(LBL). Very high energy (VHE) gamma ray emission from this source was discovered in 2005 by MAGIC observatory while the source was at a flaring state. Since then, VHE gamma rays from this source has been detected several times. However, all of those times the source was in a high activity state. Former studies suggest several non-thermal zones emitting in gamma-rays, then gamma-ray flare should be composed of a convolution. Observing the BL Lacertae object at quiescent states and active states is the key to disentangle these two components. VERITAS is monitoring the BL Lacertae object since 2011. The archival data set includes observations during flaring and quiescent states. This presentation reports on the preliminary results of the VERITAS observation between January 2013 - December 2015, and simultaneous multiwavelength observations

    Transformaciones macro/meso económicas, políticas y sociales y su relación con la obesidad en México en el período 1984-2014

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    En México, en las últimas tres décadas se han venido suscitando una serie de cambios macro meso económicos, políticos, sociales, culturales y demográficos que han impactado en los estilos de vida de la población mexicana; a la par, en este mismo período de tiempo se han incrementado las prevalencias de sobrepeso y obesidad en todos los grupos de edad de la población. Este estudio se enfoca en el análisis de algunos factores meso y macro ambientales que se han ligado con las tasas de obesidad y su posible relación con los incrementos de dichas las tasas en México el período 1984-2014. Se analizó el gasto alimentario de los hogares mexicanos a través de la proporción del gasto por grupo de alimentos y por productos en el período 1984-2014. Se encontró que los grupos que mayor crecimiento tuvieron en la proporción del gasto fueron otros alimentos preparados, bebidas no alcohólicas, alimentos consumidos fuera del hogar y cereales. Los grupos relacionados a la alimentación que tuvieron una disminución importante fueron los aceites y grasas, azúcares y mieles, leche y derivados, carnes, café, té y chocolate y verduras, leguminosas, legumbres y semillas. Asimismo, se compararon las prevalencias de obesidad de mujeres en edades de 20 a 49 años y la proporción del gasto en alimentos consumidos fuera del hogar y de bebidas no alcohólicas, se encontró que con el aumento en el gasto de ese tipo de alimentos la prevalencia de obesidad también creció en ese período

    Propuesta para el mejoramiento de la motivación de los empleados en la cadena de almacenes El Fogón Eléctrico en el 2012

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    El presente trabajo se enfoca en el estudio y análisis de los parámetros, conductas, actuares y procesos que constituyen la Cultural de La Cadena De Ferreterías “El Fogón Eléctrico”. Para conocer cual estructura organizacional emerge de esta cultura y así conocer si es adecuada para el crecimiento y mejoramiento del negocio. Para el correcto y efectivo entendimiento del problema que trataremos, se iniciara describiendo como fueron los inicios de la empresa, sus fundadores y la manera como hicieron crecer un pequeño establecimiento de comercio en una cadena de ferreterías que ha permanecido en pie por más de 40 años; pero por falta de preparación y miedo a enfrentar nuevos retos, pueden correr el riesgo de quedar atrás en relación a empresas semejantes en el gremio ferretero. Es importante identificar el entorno laboral de la empresa, y a partir de las características, comportamientos y costumbres detectadas en ella, se podrá plantean las propuestas mostradas en este trabajo de grado. El fin a buscar con este trabajo, es el de entregar herramientas para el mejoramiento de la motivación y el sentido de pertenencia de los empleados de La Cadena De Ferreterías “El Fogón Eléctrico”. Actualmente La Cadena De Ferreterías “Almacén El Fogón Eléctrico” se encuentra estancado en su crecimiento, y existe responsabilidad importante de esto en sus directivas, las cuales deberían estar capacitados en todos los procesos, productos o servicios que maneja la empresa además de tener un mejor manejo del factor humano de la misma, dirigiendo sus actuaciones a mantener o estimular resultados favorables tanto para los propietarios como para los empleados que en ella laboran. Por medio del diagnóstico, se encontró que la empresa no cuenta con procesos organizacionales definidos, recurso humano competente y comprometido con la empresa y además se encontró que los propietarios carecen totalmente de habilidades gerenciales que optimicen el nivel administrativo y directivo de la empresa. Por tal motivo, se realizó un análisis del entorno con los fundamentos teóricos de la motivación, lo cual conllevo a un planteamiento de las posibles mejoras. Se espera que por medio de este trabajo, LA CADENA DE FERRETERÍAS “EL FOGÓN ELÉCTRICO” Implemente Una Cultura organizacional abierta, flexible, con el fin de que pueda contar con herramientas que le permitan adaptarse al entorno, y a su vez brindar un estímulo a sus empleados para lograr mantenerse en el medio y aun mas, tener un mayor empoderamiento en el gremio ferretero.The work focuses on the study and analyze of the parameters, behaviors, acts and process that conform the Culture of hardware store chain “El Fogón Eléctrico”. To know which organizational structure emerge from culture and because of that known if is the right one to the expansion and the business improvement. To have a correct and effective understanding to the problem we will study, we will begin describing how was the started of the company, its founders and the way how they created a small busyness at a hardware store chain, that had been up for more than 40 years; but because of the non preparation and fear to affront new challenges, they could take the risk to stay back at similar companies in hardware guild. It is important to identify the company’s work environment, and because on its characteristics, behaviors and habits detected on it, we would make proposals shown in this degree work. In order to get this work, is to provide tools to improve motivation and sense of belonging among employees from hardware store chain “El Fogón Eléctrico”. Currently Hardware store chain 'El Fogón Eléctrico” is stalled in its growth, and there is an important responsibility in its directors, which should be trained in all processes, products or services the company also manages to have a better management of the human factor of it, directing their activities to maintain or stimulate favorable results for both the owners and the employees working there. Through the diagnosis, we found that the company does not have defined organizational processes, competent human resources and committed to the company and also found that owners are completely lack of management skills to optimize the administrative and managerial staff. For this reasons, an environment analysis was performed with the theoretical foundations of motivation, which ultimately led to an approach to improvement. It is hoped that through this work, Hardware store chain 'El Fogon Electrico” implement an open organizational culture, flexible, so they can have tools to adapt to the environment, and both provide a stimulus to their employees in order to stay in the business environment and even more, have a bigger power in the hardware guild

    The Relationship Between Heart Rate Variability and Electroencephalography Functional Connectivity Variability Is Associated With Cognitive Flexibility

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    [EN] The neurovisceral integration model proposes a neuronal network that is related to heart rate activity and cognitive performance. The aim of this study was to determine whether heart rate variability (HRV) and variability in electroencephalographic (EEG) functional connectivity in the resting state are related to cognitive flexibility. Thirty-eight right-handed students completed the CAMBIOS test, and their heart and EEG activity was recorded during 6 min in the resting state with their eyes open. We calculated correlations, partial correlations and multiple linear regressions among HRV indices, functional brain connectivity variability and CAMBIOS scores. Furthermore, the sample was divided into groups according to CAMBIOS performance, and one-way ANOVA was applied to evaluate group differences. Our results show direct and inverse correlations among cognitive flexibility, connectivity (positive and negative task networks) and heartbeat variability. Partial correlations and multiple linear regressions suggest that the relation between HRV and CAMBIOS performance is mediated by neuronal oscillations. ANOVA confirms that HRV and variability in functional brain connectivity is related to cognitive performance. In conclusion, the levels of brain signal variability might predict cognitive flexibility in a cognitive task, while HRV might predict cognitive flexibility only when it is mediated by neuronal oscillations.This work was supported by the Spanish Ministry of Economy and Competitiveness (PSI2014-57231-R). Research was funded by Grant Nos. PSI2014-57231-R and PSI2017-88388-C4-3-R from Spanish Ministry of Science. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors have declared that no competing interests exist.Alba, G.; Vila, J.; Rey, B.; Montoya, P.; Muñoz, MÁ. (2019). 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