29,117 research outputs found

    A stochastic spreadsheet model analysing investment options for the development of pasture on beef cattle farms : a dissertation submitted in partial fulfilment of the requirements for the degree of Master in Applied Science at Massey University

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    The decision to proceed with farm development to increase animal production is complex. Standalone personal computer software to study either the financial or physical aspects of farm development is available, but models which integrate these components and account for the risks associated with the investment are not. A stochastic spreadsheet (Microsoft Excel®) model was therefore developed to predict the profitability, feasibility and risk of pasture development for two case farms: one in southern Brazil and the other near Wanganui in New Zealand. Pasture was developed at different rates for each farm and the model was used to predict the associated physical and financial changes over-time and a probability distribution of the net present values (NPV) of the net operating profit after tax and before interest (NOPAT) relative to the status quo situation. The extra pasture was used solely for increasing beef cattle production. On the Brazilian case farm the development of 2,263 ha at two rates was studied. The continuation of the status quo had first degree stochastic dominance in terms of the NPV over both development rates; it was superior by about NZ46.000forthe200ha/yoptionandca.NZ 46.000 for the 200 ha/y option and ca. NZ 110.000 for the 500 ha/y option at a 16% discount rate. However, at a 6% discount rate the 500 ha/y development rate had first degree stochastic dominance in terms of the NPV over both the continuation of the status quo (by about NZ960.000)andthe200ha/yoption(ca.NZ 960.000) and the 200 ha/y option (ca. NZ 120.000). This indicates that pasture development could proceed profitability if interest rates continue to fall in Brazil as predicted. For the New Zealand case farm the development of 247 ha at 50 ha/y had first degree stochastic dominance over the 25 ha/y (ca. NZ24,000)andcontinuationofthestatusquo(ca.NZ 24,000) and continuation of the status quo (ca. NZ 208.000) at a 6% discount rate. Pasture development should therefore continue. Stochastic analysis of the pasture development investment options gave a better insight into the likely outcomes for a project, and provides the farmer with more information for making a decision on whether, and how. to proceed with farm development. The model could easily be adapted for studying farm development with respect to other types of livestock enterprises Keywords: pastures, development, risk, feasibility, profitability, model

    Carbohydrate-based 1,3-oxazoline-2-thiones as original bioactive structures:synthesis and reactivity

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    Tese de doutoramento, Química (Química Orgânica), 2009, Universidade de Lisboa, Faculdade de CiênciasDisponível no document

    Azores tourism product perceptions : the Influence of the country of origin

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    This study focused on the Autonomous Region of the Azores (ARA), which has some features that are considered favorable to the development of tourism and to the interest in the tourism product. However, the region’s geographical dispersion, its high dependence on transportation and the seasonality of the industry constrain its development. The present research aimed to assess tourists’ perception of certain costs (living, accommodation, plane ticket, and transportation to/from the airport), and whether these differ between tourists of different nationalities. The findings show that tourists, both residents and non-residents, have the perception that the cost of living and of the plane ticket are high, while the cost of accommodation and of transportation to the airport is considered normal by most respondents. We concluded that the models differ when applied to residents and non-residents. For non-residents, living in certain countries induces them to express differences in the perception of the costs studied, when compared to individuals that live in other countries.N/

    Infection Control in Portugal: Monitoring Progress

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    A área da infeção em Portugal tem a sua própria história, com algum atraso relativamente a outros países europeus. Teve maior projeção entre 1988-1998 com o “Projeto de Controlo de Infeção”. Em 1996, surgiu o primeiro enquadramento normativo para as Comissões de Controlo de Infeção (CCI), normas, e cursos para profissionais das CCI. Entre 1998-2002, iniciou-se a atividade de vigilância epidemiológica em rede nacional / europeia. Em 2007, a Direção-Geral da Saúde reformulou o Programa Nacional de Controlo de Infeção (PNCI) e criou os grupos coordenadores regionais (gestão descentralizada). Surgiu a formação pós-graduada, a par do incremento da investigação. Com a área da segurança do doente, tornou-se evidente um maior envolvimento dos órgãos de gestão e dos profissionais de saúde e maior informação da população através dos meios de comunicação social. Em 2013, os Programas de Controlo da Infeção e das Resistências aos Antimicrobianos juntaram-se num único Programa (Programa de Prevenção e Controlo de Infeção e Resistências aos Antimicrobianos - PPCIRA – Programa prioritário). E o futuro

    Necessidades e preocupações dos irmãos em cuidados paliativos pediátricos: scoping review

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    Introduction: Understanding the needs of each family member in the setting of Pediatric Palliative Care is crucial. Sibling support is still an emerging area, with recommendations based on clinical experience and adaptation from other contexts. The aim of this study was to assess and describe the needs and concerns of siblings of children in Pediatric Palliative Care. Methods: A literature search was conducted in Medline database. Only research articles with reports of siblings of children in Palliative Care were included. The main characteristics and results of studies included were summarized, and a narrative synthesis was performed. Results: Nine studies were included showing that, although siblings’ needs vary over the course of the disease, these generally include the need for self-support, access to information, and engagement in brother/sister care. Bereaved siblings are usually resilient, but poor-quality support can have a negative psychosocial impact. Discussion and Conclusion: Siblings need informational, instrumental, appraisal, and emotional support. Quantitative prospective studies are needed, as well as accurate clinical practice recommendations taking into account the specificities of each child, family, and sibling.info:eu-repo/semantics/publishedVersio

    Equity research - NH Hotel Group S.A.

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    Mestrado Bolonha em FinançasThe following Equity Research report contains a valuation of NH Hotel Group S.A., ("NHH"), and it was conducted following the ISEG's Master in Finance final work standards and written in line with the guidelines from the CFA Institute. NHH is headquartered in Spain and is part of the hotels' industry. Leader in the urban segment, it is among the Top 10 European hotel chains and Top 30 worldwide. With the hotel industry going through tough times, the NHH group was chosen in order to understand the impact of the pandemic since it has a significant presence in Europe, specifically in Portugal and Spain, where to control de pandemic situation, it was needed to lockdown, significantly decreasing tourism and consequently negatively affecting the industry. Through the DCF model, computing the FCFF, a 2022YE price target of €4.88/sh was reached, representing 28% upside potential, with high-risk, from the close price on August 11th, 2021, €3.80/sh, therefore it was reached a BUY recommendation. Besides this method, other models were used, including the Dividend Discount Model (DDM), the Adjusted Present Value (APV), the Free Cash Flow to Equity (FCFE), and a relative valuation through peers' multiples. To complement the report, a sensitivity analysis was included to a few selected risks to the price target, such as variances in the long-term sustainable growth rate (g) and changes in the weighted average cost of capital (WACC). The information used throughout the report was publicly available as of August 11th, 2021. Thus, any succeeded information has not been considered.O projeto que se segue, contém uma avaliação financeira do NH Hotel Group S.A., (“NHH”) e foi realizado de acordo com os padrões de trabalho final de Mestrado em Finanças do ISEG e escrito de acordo com as orientações do CFA institute. O NHH é uma empresa sediada em Espanha que integra a indústria hoteleira. Uma das líderes no seu segmento, está atualmente presente em 29 países e integra top 10 europeu de cadeias de hotéis e o top 30 mundial. Atravessando-se os tempos difíceis para a indústria hoteleira, a escolha do grupo NHH passou pela curiosidade de perceber o impacto da pandemia numa empresa com imensa presença na Europa nomeadamente Portugal e Espanha, países estes que para controlar a situação pandémica viram-se em lockdown diminuindo drasticamente o turismo e consequentemente afetando negativamente a indústria. Através da análise financeira e da aplicação do modelo DCF, foi concluído que o NHH tem uma recomendação de investimento de “COMPRA”, com um preço expectável de €4.88/ação no final do ano de 2022, com uma potencial valorização de 28% face ao preço de €3.80/ação a 11 de Agosto de 2021, considerando um risco elevado. Para além deste método, outros modelos foram aplicados incluindo o Dividend Discount Model (DDM), o Adjusted Present Value (APV), o Free Cash Flow to Equity (FCFE) e ainda uma avaliação por múltiplos de empresas homólogas da indústria. Para complementar o relatório foi também incluída uma análise de sensibilidade a alguns riscos a que o preço expectável está sujeito, nomeadamente alterações da taxa de crescimento a longo prazo (g) e alterações no custo média ponderado do capital (WACC). Toda a informação utilizada ao longo do relatório estava publicamente disponível a 11 de Agosto de 2021, pelo que qualquer informação posterior à data não foi considerada para o desenvolvimento do projeto.info:eu-repo/semantics/publishedVersio

    The extended minimal geometric deformation of SU(NN) dark glueball condensates

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    The extended minimal geometric deformation (EMGD) procedure, in the holographic membrane paradigm, is employed to model stellar distributions that arise upon self-interacting scalar glueball dark matter condensation. Such scalar glueballs are SU(NN) Yang-Mills hidden sectors beyond the Standard Model. Then, corrections to the gravitational wave radiation, emitted by SU(NN) EMGD dark glueball stars mergers, are derived, and their respective spectra are studied in the EMGD framework, due to a phenomenological brane tension with finite value. The bulk Weyl fluid that drives the EMGD is then proposed to be experimentally detected by enhanced windows at the eLISA and LIGO.Comment: 9 pages, 7 figure

    Análise da produção científica em tecnologia da informação: Estudo panorâmico dos artigos publicados pelos professores de biblioteconomia da UnB

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    Objective. Research that objective to analyze the scientific production in information technology by professors of biblioteconomy, Faculty of Information Science, University of Brasilia (Brazil), through the Curriculum Lattes Platform of teachers cited. Method. Adopts inductive method, bibliographical research and technical, quantitative research and data collection approach and document analysis from Lattes (Lattes Platform) of the selected teachers. Results. Presents that the areas databases, libraries and digital repositories as that have the greatest production, metadata and library automation system areas as those with lack of jobs published, the most used types of records are the proceedings of congress, course conclusion papers and journal articles, as well the thesis and extended abstracts are little used, besides identifying other areas not listed in the original scope of work such as electronic document management, digital preservation, information security, information architecture, hypertext and applied technologies. Conclusions. The analysis of scientific production helps in decision-making, idealizes an overview of professors' research, and helps understand how certain area behaves and its main composition of subjects.Objetivo. El estudio analiza la producción científica sobre tecnología de la información de los profesores de la especialidad de bibliotecología de la Facultad de Ciencia de la Información de la Univeridade de Brasilia (Brasil), por medio de los Currículos de la Plataforma Lattes de los profesores citados. Método. Adopta el método inductivo, la investigación bibliográfica como técnica, investigación cuantitativa como abordaje de colecta de datos y el análisis documental a partir del Currículo Lattes (Plataforma Lattes) de los profesores seleccionados. Resultados. Presenta a las áreas: bases de datos, bibliotecas y repositórios digitales, como las que poseen mayor producción, y las áreas: metadados y sistema de automatización de bibliotecas, como aquellas con carencia de trabajos publicados; los tipos de registros más utilizados son los anales de congreso, monografias finales de graduación, y artículos de revistas; y los poco usados son las tesis y los resúmenes expandidos; además de la identificación de otras áreas no consideradas en el enfoque inicial del estudio, como: gestión electrónica de documentos, preservación digital, seguridad de la información, arquitectura de la información, hipertexto, y tecnologías aplicadas. Conclusiones. El análisis de la producción científica contribuye a la toma de decisiones, da una idea del panorama de investigación de los profesores, ayuda a comprender como determinadas áreas se comportan, y como es su composición principal de temas.Objetivo. O estudo analisa a produção científica em tecnologia da informação pelos professores do curso de biblioteconomia, da Faculdade de Ciência da Informação, da Univeridade de Brasília (Brasil), por meio dos Currículos da Plataforma Lattes dos citados professores. Método. Adota o método indutivo, a pesquisa bibliográfica como técnica, pesquisa quantitativa como abordagem de coleta de dados e a análise documental a partir do Currículo Lattes (Plataforma Lattes) dos professores selecionados. Resultados. Apresenta as áreas bases de dados, bibliotecas e repositórios digitais como as que possuem maior produção, e as áreas metadados e sistema de automação de bibliotecas como aquelas com carência de trabalhos publicados; os tipos de registros mais utilizados são os anais de congresso, trabalhos de conclusão de curso e artigos de periódicos, e os pouco usados são as teses e resumos expandidos; além da identificação de outras áreas não elencadas no escopo inicial do trabalho tais como gerenciamento eletrônico de documentos, preservação digital, segurança da informação, arquitetura da informação, hipertexto e tecnologias aplicadas. Conclusões. A análise da produção científica auxilia na tomada de decisão, idealiza um panorama de pesquisa dos professores, ajuda a compreender como determinada área se comporta e sua principal composição de assuntos
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