4,695 research outputs found
Characterization by bark of tree trunks from a permanent plot of the UDBC Forest Herbarium at the Amazonian Experimental Center, (CORPOAMAZONIA)
No full textEste estudio desarrolló una metodología innovadora para la identificación taxonómica no destructiva de especies arbóreas mediante el análisis morfológico de cortezas en la Amazonía colombiana. La investigación se realizó en la parcela permanente del Herbario Forestal UDBC del Centro Experimental Amazónico (CEA) de CORPOAMAZONIA (Mocoa, Putumayo), abordando los desafíos de identificación en bosques tropicales megadiversos donde los métodos tradicionales resultan limitados. El trabajo analizó 46 especies de 26 familias, con énfasis en taxones ecológicamente relevantes con DAP ≥ 10 cm, empleando un protocolo estandarizado que combinó fotografía digital de alta resolución con descripción cualitativa de patrones de fisuración, exudados y lenticelas, complementado con mediciones cuantitativas del espesor cortical. Entre los principales hallazgos destacan la documentación de familias dominantes como Moraceae (6 especies), Euphorbiaceae, Arecaceae y Meliaceae (3 especies cada una), junto con la caracterización de atributos distintivos como resinas en Burseraceae, látex en Moraceae y fisuras longitudinales en Fabaceae. El estudio reveló que 12 de las especies analizadas presentan algún grado de amenaza. Como resultado principal, se generó el primer catálogo ilustrado de cortezas para la Amazonía colombiana (166 páginas con fichas técnicas), que integra tecnologías digitales de procesamiento de imágenes con taxonomía tradicional, estableciendo un protocolo replicable para inventarios forestales no destructivos. La importancia de esta investigación radica en su triple contribución: científica, al proporcionar nuevos datos morfológicos para la identificación taxonómica; metodológica, al desarrollar técnicas accesibles y estandarizadas; y aplicada, al ofrecer herramientas prácticas para el monitoreo participativo y la conservación de la biodiversidad amazónica. El catálogo resultante representa un valioso recurso para botánicos, ecólogos y comunidades locales, facilitando la identificación de especies sin necesidad de muestreos destructivos y sentando las bases para futuros estudios de ecología funcional en estos ecosistemas estratégicos.This study developed an innovative methodology for non-destructive taxonomic identification of tree species through morphological analysis of bark in the Colombian Amazon. Conducted in the permanent plot of the UDBC Forest Herbarium at the Amazonian Experimental Center (CEA) of CORPOAMAZONIA (Mocoa, Putumayo), the research addressed identification challenges in hyperdiverse tropical forests where traditional methods prove limited. The work analyzed 46 species from 26 families, focusing on ecologically relevant taxa with DBH ≥ 10 cm, using a standardized protocol that combined high-resolution digital photography with qualitative description of fissuring patterns, exudates and lenticels, complemented by quantitative measurements of bark thickness. Key findings include the documentation of dominant families such as Moraceae (6 species), Euphorbiaceae, Arecaceae and Meliaceae (3 species each), along with the characterization of distinctive attributes like resins in Burseraceae, latex in Moraceae and longitudinal fissures in Fabaceae. The study revealed that 12 of the analyzed species show some threat category. As main outcome, the first illustrated bark catalog for the Colombian Amazon was produced (166 pages with technical sheets), integrating digital image processing technologies with traditional taxonomy and establishing a replicable protocol for non-destructive forest inventories. This research provides threefold significance: scientific, by supplying new morphological data for taxonomic identification; methodological, through developing accessible and standardized techniques; and applied, by offering practical tools for participatory monitoring and conservation of Amazonian biodiversity. The resulting catalog represents a valuable resource for botanists, ecologists and local communities, facilitating species identification without destructive sampling and setting foundations for future functional ecology studies in these strategic ecosystems.CEA Centro Experimental Amazonico PutumayoHerbario Forestal UDB
Bicriteria food packaging process optimization in double-layered upright and diagonal multihead weighers
No full text[EN] Double-layered multihead weighing machines contain twice the number of hoppers as present in a simple machine with the same number of heads, which enables additional objective optimization possibilities considering the increased number of combinations among hoppers. This research study deals with bicriteria optimization for double-layered upright and diagonal machines using brute force as the optimization criteria. One of the optimization objectives is related to the target weight; the target weight must be at least and as close as possible to the weight to pack. Furthermore, this study also aims to minimize the time for which a certain portion of a product remains in the hopper while waiting to be selected for package formation. This time is known as priority and is measured based on the number of iterations or the number of packages produced by the machine while the hopper waits to be discharged. For these purposes, Different strategies were tested for both machines, which simultaneously optimize the target weight and the priority of the hoppers, showing the reduction of the extraction of the process in addition to reducing the costs of excess product and its reprocessing.We express our gratitude for the support from Universidad Simon Bolivar, Colombia, and Universitat Politecnica de Valencia.Garcia-Jimenez, R.; García-Díaz, JC.; Pulido-Rojano, AD. (2023). Bicriteria food packaging process optimization in double-layered upright and diagonal multihead weighers. Journal of Computational and Applied Mathematics. 428:1-10. https://doi.org/10.1016/j.cam.2023.115168S11042
Packaging Process Optimization in MultiheadWeighers with Double-Layered Upright and Diagonal Systems
No full text[EN] In multihead weighers, packaging processes seek to find the best combination of passage hoppers whose product content provides a total package weight as close as possible to its (nominal) label weight. The weighing hoppers arranged in these machines dispense the product quantity that each package contains through computer algorithms designed and executed for this purpose. For its part, in the packaging process for double-layered multihead weighers, all hoppers are arranged in two levels. The first layer comprises a group of weighing hoppers, and the second comprises a set of booster hoppers placed uprightly or diagonally to each weighing hopper based on design of the machine. In both processes, the initial machine configuration is the same; however, the hopper selection algorithm works differently. This paper proposes a new packaging process optimization algorithm for double-layer upright and diagonal machines, wherein the hopper subset combined has previously been defined, and the packaging weight is expressed as actual values. As part of its validation, product filling strategies were implemented for weighing hoppers to assess the algorithm in different scenarios. Results from the process performance metrics prove that the new algorithm improves processes by reducing variability. In addition, results reveal that some machine configurations were also able to improve their operation.We express our gratitude for the support from Universidad Simon Bolivar, and Universitat Politecnica de Valencia.Garcia-Jimenez, R.; García-Díaz, JC.; Pulido-Rojano, ADJ. (2021). Packaging Process Optimization in MultiheadWeighers with
Double-Layered Upright and Diagonal Systems. Mathematics. 9(9):1-20. https://doi.org/10.3390/math9091039S1209
Parameterization, Analysis, and Risk Management in a Comprehensive Management System with Emphasis on Energy and Performance (ISO 50001: 2018)
No full text[EN] The future of business development relies on the effective management of risks, opportunities, and energy and water resources. Here, we evaluate the application of best practices to identify, analyze, address, monitor, and control risks and opportunities (R/O) according to ISO 31000 and 50000. Furthermore, we shed light on tools, templates, ISO guides, and international documents that contribute to classifying, identifying, formulating control, and managing R/O parameterization in a comprehensive management system model, namely CMS QHSE3+, which consists of quality (Q), health and safety (HS), environmental management (E), energy efficiency (E2), and other risk components (+) that include comprehensive biosecurity and biosafety. By focusing on the deployment of R/O-based thinking (ROBT) at strategic and operational levels, we show vulnerability reduction in CMS QHSE3+ by managing energy, efficiency, and sustainability.We express our gratitude for the support from Cajacopi Atlantico, QUARA Technology, ASTEQ Technology, Universidad Simon Bolivar, Universitat Politecnica de Valencia and to all the personnel and companies who offered us their contributions and their valuable points of view.Poveda-Orjuela, PP.; García-Díaz, JC.; Pulido-Rojano, A.; Cañón-Zabala, G. (2020). Parameterization, Analysis, and Risk Management in a Comprehensive Management System with Emphasis on Energy and Performance (ISO 50001: 2018). Energies. 13(21):1-44. https://doi.org/10.3390/en13215579S1441321SDBS Business Demography Indicatorshttps://stats.oecd.org/index.aspx?queryid=70734The World Economy on a Tightrope. 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ISO 50001: 2018 and Its Application in a Comprehensive Management System with an Energy-Performance Focus. Energies, 12(24), 4700. doi:10.3390/en12244700Continuity Planning for Your Businesshttps://www.westpac.com.au/content/dam/public/wbc/documents/pdf/help/disaster/WBC_business_continuity_planning_covid-19_checklist.pdfCOVID-19: Five Ways to Maintain Continuity and Reshape for Resiliencehttps://www.ey.com/en_be/transactions/companies-can-reshape-results-and-plan-forcovid-19-recoveryAven, T. (2012). The risk concept—historical and recent development trends. Reliability Engineering & System Safety, 99, 33-44. doi:10.1016/j.ress.2011.11.006Oliva, F. L. (2016). A maturity model for enterprise risk management. International Journal of Production Economics, 173, 66-79. doi:10.1016/j.ijpe.2015.12.007Aven, T., & Zio, E. (2011). Some considerations on the treatment of uncertainties in risk assessment for practical decision making. 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Foundational Issues in Risk Assessment and Risk Management. Risk Analysis, 34(7), 1164-1172. doi:10.1111/risa.12132Labodová, A. (2004). Implementing integrated management systems using a risk analysis based approach. Journal of Cleaner Production, 12(6), 571-580. doi:10.1016/j.jclepro.2003.08.008World trends and the future of Latin America; ECLAC UNIDO, 2016–Public Management Series, No 85. ISSN 1680-8827, LC/L.4246 LC/IP/L.348https://repositorio.cepal.org/bitstream/handle/11362/40788/S1600740_es.pdf?sequence=1&isAllowed=yBudhi, M. K. S., Lestari, N. P. N. E., Suasih, N. N. R., & Wijaya, P. Y. (2020). Strategies and policies for developing SMEs based on creative economy. Management Science Letters, 2301-2310. doi:10.5267/j.msl.2020.3.005Melly, D., & Hanrahan, J. (2020). Tourism biosecurity risk management and planning: an international comparative analysis and implications for Ireland. Tourism Review, 76(1), 88-102. doi:10.1108/tr-07-2019-0312Guide for Business Continuity during COVID-19http://www.andi.com.co/Uploads.pdfLa Danse, 1910. Musee de l’Hermitage, Saint-Pétersbourg, Russie. Consulté le 28 Juillet 2020https://www.hermitagemuseum.org/wps/portal/hermitage/Uriarte-Romero, R., Gil-Samaniego, M., Valenzuela-Mondaca, E., & Ceballos-Corral, J. (2017). Methodology for the Successful Integration of an Energy Management System to an Operational Environmental System. Sustainability, 9(8), 1304. doi:10.3390/su9081304Cosgrove, J., Littlewood, J., & Wilgeroth, P. (2017). Development of a framework of key performance indicators to identify reductions in energy consumption in a medical devices production facility. International Journal of Ambient Energy, 39(2), 202-210. doi:10.1080/01430750.2017.1278718Wu, J., Cheng, B., Wang, M., & Chen, J. (2017). Quality-Aware Energy Optimization in Wireless Video Communication With Multipath TCP. IEEE/ACM Transactions on Networking, 25(5), 2701-2718. doi:10.1109/tnet.2017.2701153Biosecurity. Madridhttps://www.insst.es/-/bioseguridadArvanitis, S., Loukis, E., & Diamantopoulou, V. (2013). The effect of soft ICT capital on innovation performance of Greek firms. Journal of Enterprise Information Management, 26(6), 679-701. doi:10.1108/jeim-07-2013-0048ICT in small firms: Factors affecting the adoption and use of ICT in Southeast England SMEshttps://aisel.aisnet.org/ecis2008/167Legg, S. J., Olsen, K. B., Laird, I. S., & Hasle, P. (2015). Managing safety in small and medium enterprises. Safety Science, 71, 189-196. doi:10.1016/j.ssci.2014.11.007Podgórski, D. (2015). Measuring operational performance of OSH management system – A demonstration of AHP-based selection of leading key performance indicators. Safety Science, 73, 146-166. doi:10.1016/j.ssci.2014.11.018Cagno, E., Micheli, G. J. L., Masi, D., & Jacinto, C. (2013). Economic evaluation of OSH and its way to SMEs: A constructive review. Safety Science, 53, 134-152. doi:10.1016/j.ssci.2012.08.016Badri, A., Gbodossou, A., & Nadeau, S. (2012). Occupational health and safety risks: Towards the integration into project management. Safety Science, 50(2), 190-198. doi:10.1016/j.ssci.2011.08.008Carlson, R., Erixon, M., Forsberg, P., & Pålsson, A.-C. (2001). System for integrated business environmental information management. Advances in Environmental Research, 5(4), 369-375. doi:10.1016/s1093-0191(01)00088-0Florio, C., & Leoni, G. (2017). Enterprise risk management and firm performance: The Italian case. The British Accounting Review, 49(1), 56-74. doi:10.1016/j.bar.2016.08.003Aven, T., & Ylönen, M. (2018). A risk interpretation of sociotechnical safety perspectives. Reliability Engineering & System Safety, 175, 13-18. doi:10.1016/j.ress.2018.03.004Skorupinska, A., & Torrent-Sellens, J. (2017). ICT, Innovation and Productivity: Evidence Based on Eastern European Manufacturing Companies. Journal of the Knowledge Economy, 8(2), 768-788. doi:10.1007/s13132-016-0441-1Benitez‐Amado, J., Llorens‐Montes, F. J., & Nieves Perez‐Arostegui, M. (2010). Information technology‐enabled intrapreneurship culture and firm performance. Industrial Management & Data Systems, 110(4), 550-566. doi:10.1108/02635571011039025González-Posada, D. M., & Reyes-Bedoya, N. (2019). Herramientas de gestión al alcance: caso red de hostales de la ciudad de Medellín. Revista CEA, 5(9), 113-129. doi:10.22430/24223182.1261Hernandis Ortuño, B., & Briede Westermeyer, J. C. (2009). AN EDUCATIONAL APPLICATION FOR A PRODUCT DESIGN AND ENGINEERING SYSTEMS USING INTEGRATED CONCEPTUAL MODELS. Ingeniare. Revista chilena de ingeniería, 17(3). doi:10.4067/s0718-3305200900030001
Nursing care at discharge from the emergency department: a scoping review
No full textilustraciones, gráficas, tablasObjetivo: Describir las intervenciones de enfermería en el plan de alta para el adulto en el servicio de urgencias. Método: Revisión de alcance que se desarrolló de acuerdo con los criterios propuestos por el Joanna Briggs Institute (JBI) para la elaboración de una scoping review. Resultados: Se recopilaron 49 publicaciones que permitieron determinar las intervenciones de enfermería en el plan de alta para el adulto en el Servicio de Urgencias. La caracterización evidenció que el tema ha sido investigado constantemente en los últimos diez años con un predominio de publicación del idioma en inglés. A partir del análisis de contenido surgieron tres categorías: La enfermería prepara al usuario en la institución; La enfermería acompaña al usuario afuera de la institución y La enfermería proyecta y propone el plan de alta. Conclusiones: Las intervenciones de enfermería en el plan de alta involucran la entrega de información y la verificación de su comprensión en la institución; el seguimiento del cuidado y la intervención de necesidades emergentes fuera de la institución; y las proyecciones y propuestas para mejorar el plan de egreso para la institución. (Texto tomado de la fuente).Objective: To describe the nursing interventions in the discharge planning for the adult in the emergency department. Methods: A scoping review was carried out according to the framework adopted by the Joanna Briggs Institute (JBI) for conducting that kind of reviews. Results: Forty-nine publications were collected to determine the nursing interventions in the discharge planning for the adult in the emergency department. The characterization showed that the topic has been constantly investigated in the last ten years, with a predominance of the literature in English language. From the content analysis, three categories emerged: Nursing prepares the user in the institution; Nursing accompanies the user outside the institution; and Nursing projects and proposes for discharge planning. Conclusions: Nursing interventions in the discharge planning involve the delivery of information and verification of comprehension in the institution; the follow-up of care and intervention of emerging needs outside the institution; and the projections and proposals to improve the discharge plan for the institution.Incluye anexosMaestríaMagíster en EnfermeríaRevisión de AlcanceUrgencia
Packaging process optimization for multihead weighing machines with vertical and diagonal double-layered systems: A bi-level approach
No full text[EN] Bi-level programming offers a modeling approach for solving problems that involve two decision makers, each with their own objective. This research addresses a bi-level programming application to multihead, vertical, and diagonal double-layered machines. In these machines, hoppers are distributed across two levels: the upper level consists of weighing hoppers that weigh the product coming from the feeding hoppers. The weighed product is then deposited into the hoppers on the lower level, known as booster hoppers, located beneath them in a vertical or diagonal position, depending on the machine type. Simultaneously, they receive a new product to weigh. In the proposed model, weighing hoppers are associated with the leader¿s decision variables and optimize the target weight, ensuring it is as close as possible to the weight stated on the label, while also being higher. Meanwhile, booster hoppers are assigned to the follower¿s decision variables, optimizing hopper priority. Hopper priority is measured by the time elapsed from the moment the product arrives at the weighing hoppers until it is loaded onto a pack (measured in the number of processed packs). This model has been tested with different filling and combination strategies, considering factors such as the number of heads in the machine, product type (fusilli and ravioli), among others. The results demonstrate that the model successfully reduces the standard deviation of the produced packages for specific combinations of factors. Furthermore, it was observed that response times on each machine increase as the number of heads or the number of hoppers to be combined grows. This is a result of the increased number of combinations required to find the optimal solution. However, this heightened complexity leads to greater effectiveness and more accurate results in terms of the precision of the content delivered to the customer. The proposed solution methodology identifies the optimal machine configuration for minimizing weight deviation in each package. Additionally, it prioritizes the utilization of machines in the lower level of decisions. Consequently, we achieve optimal operating conditions that minimize package overweight, material overcost, and appropriately select the weighing machines. Managerial insights are provided to underscore that customer satisfaction and improved business performance are outcomes of this study.García-Jiménez, R.; García-Díaz, JC.; Pulido-Rojano, AD.; Camacho-Vallejo, J. (2024). Packaging process optimization for multihead weighing machines with vertical and diagonal double-layered systems: A bi-level approach. Expert Systems with Applications. 240:1-11. https://doi.org/10.1016/j.eswa.2023.122591S11124
The author joins Lendall Alexander Jr. on a groundfishing trip aboard the Julie
No full textThe author joins Lendall Alexander Jr. on a groundfishing trip aboard the Julie D and describes Alexander\u27s fishing heritage and love of his work; his crew, Eric Pickle Johnson and Kert Rug Brown; dragging procedures; the decline in catch because of restrictions intended to curb overfishing; Alexander\u27s fishing business, which he owns with his wife, Yvette; and how he plans to diversify to offset cuts in fishing days. On another day he speaks in front of the New England Fishery Management Council protesting limits to days at sea and saying he\u27ll have to be dragged kicking and screaming from his boat
Diseño y Aplicación de un Instrumento de Seguimiento Técnico para la Implementación del Plan de Gestión de Residuos Sólidos en el Municipio de Sora- Boyacá.
No full textLa pasantía realizada en la Alcaldía de Sora- Boyacá tuvo como objetivo principal diseñar y aplicar una herramienta de seguimiento técnico en el marco del “Plan de Gestión Integral de Residuos Sólidos en Sora - Boyacá” mediante el seguimiento y actualización de los programas y objetivos que se desprendan de dicho plan en el municipio, esto con el fin de cumplir con la normativa establecida por los entes reguladores como la resolución 2184 del 2019, dado que una de las problemáticas
evidenciadas es la falta de modernización y conocimiento de documentos ambientales del municipio. A partir de ello se desprenden diferentes actividades con las cuales se brindará apoyo y acompañamiento de temas ambientales teniendo en cuenta la resolución municipal N° 053 del 2020 y a su vez la resolución 0754 del 2017.
Por otra parte, la Alcaldía Municipal debe dar cumplimiento a cada una de las actividades expuestas a lo largo del Plan de Gestión Integral de Residuos Sólidos (PGIRS), logrando contar con indicadores de cumplimento y la respectiva verificación de los objetivos y metas establecidas en el plan de desarrollo municipal 2020- 2023 las cuales van encaminadas en el control de los residuos sólidos municipales. Finalmente, se realizaron actividades lúdicasde educación ambiental estipuladas en el plan de acción del Comité Interinstitucional de Educación Ambiental (CIDEA) por medio de diferentes encuentros con la comunidad de la Institución Educativa de Sora.The main objective of the internship carried out in the Sora-Boyacá Mayor's Office was to design and apply a technical monitoring tool within the framework of the "Comprehensive Solid Waste Management Plan in Sora - Boyacá" by monitoring and updating the programs and objectives that arise from said plan in the municipality, this in order to comply with the regulations established by regulatory entities such as resolution 2184 of 2019, given that one of the problems
evidenced is the lack of modernization and knowledge of the municipality's environmental documents. From this, different activities emerge with which support and accompaniment of environmental issues will be provided, taking into account municipal resolution No. 053 of 2020 and, in turn, resolution 0754 of 2017.
On the other hand, the Municipal Mayor's Office must comply with each of the activities set out throughout the Comprehensive Solid Waste Management Plan (PGIRS), achieving compliance indicators and the respective verification of the objectives and goals established in the municipal development plan 2020-2023 which are aimed at controlling municipal solid waste. Finally, recreational environmental education activities stipulated in the action plan of the Interinstitutional Committee for Environmental Education (CIDEA) were carried out through different meetings with the community of the Sora Educational Institution.Ingeniero AmbientalPregrad
Atlas de la biodiversidad de Colombia. Grandes roedores
No full textEn Colombia, los roedores (Mammalia: Rodentia) representan el segundo orden de mamíferos con mayor número de especies registradas (137). Están agrupadas en cuatro subórdenes (Castorimorpha, Hystricomorpha, Myomorpha, Sciuromorpha), 10 familias nativas y aproximadamente 57 géneros (Ramírez-Chaves et al., 2021). Entre estos, el suborden Hystricomorpha incluye seis familias: Caviidae, Cuniculidae, Dasyproctidae, Dinomyidae, Echimyidae y Erethizontidae (Patton et al., 2015). A excepción de Echimyidae, las demás familias de Hystricomorpha agrupan a los roedores de mayor tamaño (peso superior a 900 g) presentes en el país como chigüiros (Hydrochoerus hydrochaeris, H. isthmius), pacaranas (Dinomys branickii), guaguas, lapas o pacas (Cuniculus paca y C. taczanowskii), los puercoespines (Coendou spp.) y guatines o picures (Dasyprocta fuliginosa y D. punctata).BogotáEvaluación y Monitoreo de la Biodiversida
Introduction: An Overview of the Reign of Alexander II
No full textBook Description: This volume explores aspects of the political, social, cultural, economic and religious development of Scotland in the reign of King Alexander II (1214-49). It constitutes the first full-length, multi-author study of the king and his reign. The nine contributors to the volume explore issues as diverse as the historiography of the reign, Anglo-Scottish relations, Church-State relations, economy and international trade, law, aristocratic symbolism, urban development and the territorial expansion of the kingdom. This book, the first major study of a reign which saw the Scottish monarchy achieve its mastery of northern mainland Britain, is of great importance to historians of medieval Scotland and the wider British Isles. The book is illustrated with 24 colour and b/w photographs and 5 maps and plans. Show More Show Les
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