969 resultados para Murray, S. A. P.


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This paper relies on the study of fixed points and best proximity points of a class of so-called generalized point-dependent (K-Lambda)hybrid p-cyclic self-mappings relative to a Bregman distance Df, associated with a Gâteaux differentiable proper strictly convex function f in a smooth Banach space, where the real functions Lambda and K quantify the point-to-point hybrid and nonexpansive (or contractive) characteristics of the Bregman distance for points associated with the iterations through the cyclic self-mapping.Weak convergence results to weak cluster points are obtained for certain average sequences constructed with the iterates of the cyclic hybrid self-mappings.

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[ES]Con este trabajo se procedió a determinar la fidelidad con la que la cinematografía espaola recoge la esencia de la asistencia de enfermería teniendo en cuenta el modelo de Virginia Henderson. Para llevar a cabo la investigación del papel de enfermería se analizaron siete película con origen espaol cuya filmación transcurre en centros sanitarios. Tras analizar los largometrajes se llegó a la conclusión de que la cinematografía espaola recoge con fidelidad la esencia de las necesidades sicas de Virginia Henderson.

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Presentación (p. 9-27). Index Verborum (p.65-89). Letra "P" (extraido del CD-Rom, p.1-184)

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<正>1概述海洋结构物常常使用桩基础以抵抗较大的水平荷载和位移.这些水平荷载主要由风暴、冰及波浪作用而产生,在这种水平荷载作用下桩身反应特性非常复杂且是非线性的,目前常用反映非线性桩-土-桩相互作用的P-Y曲线来分析水平荷载下单桩的反应特性,但对于需用多根相距较近的桩(群桩桩距通常为3-5倍桩径)共同抵抗水平荷载的情况不

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As negociaões entre Portugal e Holanda a respeito da devolução dos territórios portugueses ocupados se desenvolveram ao longo de um decênio. As propostas iniciais de Portugal referiam-se aos territórios ocupados pelos holandeses na África e no Maranhão. Estão no raríssimo folheto.

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La Comunidad Autónoma Vasca presenta una realidad socio-económica compleja sobre la que inciden multitud de variables políticas,económicas y culturales que han mediatizado nuestro desarrollo en los últimos aos. Partiendo de que el principal problema que tiene la economía vasca y también la espaola es el paro,nos planteamos qué líneas de actuación deberían darse, si no para solucionarlo totalmente, s al menos para reducirlo de una forma significativa.

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El marco jurídico aplicable a las Instituciones de previsión propias del País vasco,es mucho más competitivo que el modelo estatals privilegiado por el legislador,los Planes y fondos de pensiones.

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1 carta (manuscrita) ; 225X140mm. Ubicación: Caja 1 - Carpeta 7

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Village tanks are put to a wide range of uses by the rural communities that depend on them for their survival. As the primacy of irrigation has decreased under these tanks due to a variety of climatic and economic reasons there is a need to reevaluate their use for other productive functions. The research presented in this paper is part of a programme investigating the potential to improve the management of living aquatic resources in order to bring benefits to the most marginal groups identified in upper watershed areas. Based on an improved typology of seasonal tanks, the seasonal changes and dynamics of various water quality parameters indicative of nutrient status and fisheries carrying capacity are compared over a period of one year. Indicators of Net (Primary) Productivity (NP): Rates of Dissolved Oxygen (DO) change, Total Suspended Solids (TSS): Total Suspended Volatile solids (TVSS) ratios are the parameters of principle interest. Based on these results a comparative analysis is made on two classes of ‘seasonaland ‘semi-seasonal’ tanks. Results indicate a broad correlation in each of these parameters with seasonal trends in tank hydrology. Highest productivity levels are associated with periods of declining water storage, whilst the lowest levels are associated with the periods of maximum water storage shortly after the NW monsoon. This variation is primarily attributed to dilution effects associated with depth and storage area. During the yala period, encroachment of the surface layer by several species of aquatic macrophyte also has progressively negative impacts on productivity. The most seasonal tanks show wider extremes in seasonal nutrient dynamics, overall, with less favourable conditions than the ‘semi-seasonal’ tanks. Never the less all the tanks can be considered as being highly productive with NP levels comparable to fertilised pond systems for much of the year. This indicates that nutrient status is not likely to be amongst the most important constraints to enhancing fish production. Other potential management improvements based on these results are discussed. [PDF contains 19 pages]

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Este trabajo se basa en los muestreos sobre las percas (Percichthys sp) realizado entre los aos 1955 a 1957 por María Luisa Fuster de Plaza y Enrique E. Boschi, ambos investigadores se desempañaban en el Departamento de Investigaciones Pesqueras de la Dirección Nacional de Pesca, dependiente del Ministerio de Agricultura y Ganadería de la Nación de entonces. Las tareas se llevaron a cabo principalmente en varios cuerpos de agua léntica y lóticas de la región de la Patagonia Norte (Provincias de Río Negro, Neuquen y Chubut), y en la provincia de Mendoza. Consisten en datos morfométricos, desarrollo gonadal, fecundidad, contenidos alimenticios, planillas, dibujos, etc. de 80 ejemplares de percas. La autora tuvo a su cargo el análisis de los datos de esos muestreos y las comparaciones con estudios de materials reciente, correspondiente al lago Pellegrini, a partir de 1981.