für 62.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray La ciencia es en sí misma es un sistema dinámico ya que ningún conocimiento es absoluto y por lo tanto es susceptible de mejora a través del tiempo. Por ende, para la investigación científica son fundamentales la búsqueda, la innovación y el desarrollo de nuevos conocimientos, métodos y técnicas aptos para hacer frente problemas. En la ingeniería de sistemas uno de sus objetivos primordiales es la generación de nuevas ideas, conceptos, principios, métodos y dispositivos (Hall 1983) a través de creatividad y conocimiento que permitan el modelado, análisis, solución de problemas. ····· 103611346
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Uno de los objetivos fundamentales de los propietarios de plantas industriales en general, y de centrales nucleares en particular, es alcanzar simultáneamente altos niveles de seguridad y rentabilidad. A pesar del esfuerzo realizado con este fin durante los últimos años, centrado fundamentalmente en la implementación de un adecuado mantenimiento preventivo, actualmente se plantea el interrogante sobre si dicho esfuerzo se encuentra optimizado tanto desde el punto de vista de la seguridad como de la efectividad de los recursos invertidos. Con estos antecedentes, el objetivo de este trabajo es el desarrollo y validación de un procedimiento para optimizar los intervalos de mantenimiento preventivo de equipos reparables, basado en la explotación de toda la información disponible sobre ellos y considerando modelos que reflejen, con la mayor exactitud posible, su funcionamiento, lo que, junto con el análisis de la incertidumbre asociada a dichos modelos, proporcionará la información necesaria para seleccionar, de entre un amplio abanico de posibilidades, la solución más adecuada a las preferencias del decisor. ····· 103611314
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Discrete time models play a crucial role both in finance and insurance for pricing path-dependent financial derivatives and for evaluating the premiums of insurance products when explicit formulas are not available. In particular, this book is devoted to propose lattice-based models for pricing Asian options, arithmetic period-average reset options, and for evaluating the fair single and periodical premiums of equity-linked life insurance policies with or without embedded surrender options. In a lattice framework, the common feature of these evaluation problems is the huge computational complexity. The proposed approximation models reduce the problem computational complexity and allow to obtain accurate results with respect to the other existing pricing models. The focus on these financial and insurance products is motivated by their increasing importance in financial and insurance markets. Indeed, market operators require new products that can better customize their requirements. As a consequence, new more complex financial products have been created and innovations and additional characteristics have been introduced in derivative and insurance contracts. ····· 103611029
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The center ideas to modify hydrostatic primitive dynamical equations in atmospheric model to non-hydrostatic system, split the dynamical system equation into two parts. First part is corresponds to the hydrostatic system, except for higher order corrections due to the vertical acceleration. Second part is the system of equations that allows computation of the corrections appearing in the first system due to the vertical acceleration. We studied atmospheric model, that us hybrid vertical coordinate and let special notation m . The hybrid-coordinate density m is related to the hydrostatic pressure coordinate density. In order to cambering between to out put models forecast special sand, dust, thunder storm, and rain, so we put complete chapter in theoretical weather variables investigation. ····· 10361223
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The use of impact rollers has increased for many decades over a wide variety of applications in various parts of the world. Many manufacturers have made claims that impact compaction rollers could have an effect to 1 m or more. In addition, other positive features such as greater depth of influence and faster travel speed than conventional rollers are being reported from the field. However, there is a lack of theoretical explanations or scientific research information for how to operate these rollers. Hence, this study will focus on a geotechnical modeling that describes the behavior of soils during ground compaction using various impact rollers (e.g., triangular, Landpac 3-sided, Landpac 5-sided, and octagonal shapes). In addition, this study will estimate more precisely the depth of influence for impact rollers. ····· 1036161
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Growth of productivity is the precondition to improve the living standard of people and maintain competitiveness in the globalized economy. However, wide regional deferential in labor force implies inefficiency as whole and might affect both aggregate unemployment and national output. The basic goal of this study was to model disparity in economic activity and unemployment in SNNP and Oromia Regional States, Ethiopia by incorporating spatial effects. The exploratory spatial data analysis, OLS regression, and spatial econometric models were employed. The ESDA results revealed that both economic activity and unemployment rates in a given district were directly affected by those of its neighbors. The spatial lag model results revealed that both estimates of spatial autoregressive parameters indicated the existence of spatial spillover in economic activity and unemployment rates. In conclusion, as expected the economic activity and unemployment variables had the nature of correlation over space. It is recommended that most effective policy mix is required for stabilizing and alleviating differences in both economic activities and unemployment of the districts considered in the regions. ····· 1036126· 1 ·· 2 ·· 3 ·· 4 ·· 5 ·
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