106 resultados para Repsol-YPF


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In April 2012 Argentinean Government nationalized 51% of Repsol shares in YPF. Expropiation of YPF is a new step in a broad list of protectionist and interventionist decisions, such as the nationalization of Aerolíneas Argentinas, nationalization of private pension plans, or the amendments of the Central Bank regulations to make the use of reserves more flexible. Institutions set the rules of the game for citizens and companies, allowing incentives and creating expectations. Nationalization of the above mentioned Argentinean companies has created legal uncertainty bringing a relevant increase in the risk premium as a result. Privatization of YPF and its later nationalization, together with the company shareholder composition, and resulting international disputes will be addressed in this article.

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Este video es parte de una serie de producciones realizadas por alumnos de la Carrera de Comunicación Social de la UNCuyo, como trabajo final de la Cátedra de Televisión y Medios Audiovisuales en el año 2006. Los mismos participaron de una muestra audiovisual en el Cine de la Universidad en agosto de 2007. Son trabajos periodísticos y documentales de alumnos avanzados de la carrera, en formato profesional, abordando temáticas sociales, políticas, culturales y de arte, haciendo visible realidades y personajes de la provincia. Según alumnos y docentes, estos videos “van al encuentro del público mendocino para que nos conozca, critique, reflexione, sonría y se emocione…" YPEFIANOS es un documental que muestra la realidad de los ex-trabajdores de YPF y su protesta por la privatización y las consecuencias negativas que esta medida trajo.

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La publicación cuenta con el apoyo financiero de la empresa REPSOL YPF, ya que la refinería de Escombreras ha estado íntimamente ligada al desarrollo de las enseñanzas profesionales en Cartagena, relación que se ha renovado últimamente con el Programa de Formación en Centros de Trabajo (FCT)

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El desarrollo social de un departamento está determinado por factores tanto internos como externos. Sin embargo, la existencia de recursos no renovables con gran valor, en algunos casos representan el núcleo de grandes problemas sociales en estos departamentos.

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Este documento se centra en la presentación de información y análisis de la misma a la hora de establecer la manera en que empresas del sector de extracción de gas natural y generación de energía a base de dicho recurso, toman decisiones en cuanto a inversión, centrándose en la lógica que usan a la hora de emprender este proceso. Esto debido a la constante necesidad de establecer procesos que permitan tomar decisiones más acertadas, incluyendo todas las herramientas posibles para tal fin. La lógica es una de estas herramientas, pues permite encadenar factores con el fin de obtener resultados positivos. Por tal razón, se hace importante conocer el uso de esta herramienta, teniendo en cuentas de qué manera y en que contextos es usada. Con el fin de tener una mayor orientación, este estudio estará centrado en un sector específico, el cual es el de la extracción de petróleo y gas natural. Lo anterior entendiendo la necesidad existente de fundamentación teórica que permita establecer de manera clara la forma apropiada de tomar decisiones en un sector tan diverso y complejo como lo es el mencionado. El contexto empresarial actual exige una visión global, no basada en la lógica lineal causal que hoy se tiene como referencia. El sector de extracción de petróleo y gas natural es un ejemplo particular en cuanto a la manera en cuanto se toman decisiones en inversión, puesto que en su mayoría son empresas de capital intensivo, las cuales mantienen un flujo elevado de recursos monetarios.

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Microalgae are very effective microorganisms for CO2 capturing and a promising source of lipids for biodiesel as well as other interesting compounds. Many different ways of exploitation of these organisms are being tested. This work presents a review of the state of the art of the research and development of thermochemical conversion of microalgae with a special focus on pyrolysis and hydrothermal liquefaction. Aspects related to the type of reactors, the products obtained and the analytical applications are covered. The actual reaction scheme of pyrolysis of microalgae is extremely complex because of the formation of over hundreds of intermediate products. Various kinetic models reported in the literature and in a previous study with experimental validations are presented in this review to provide the current status of the study.

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Microalgae have many applications, such as biodiesel production or food supplement. Depending on the application, the optimization of certain fractions of the biochemical composition (proteins, carbohydrates and lipids) is required. Therefore, samples obtained in different culture conditions must be analyzed in order to compare the content of such fractions. Nevertheless, traditional methods necessitate lengthy analytical procedures with prolonged sample turn-around times. Results of the biochemical composition of Nannochloropsis oculata samples with different protein, carbohydrate and lipid contents obtained by conventional analytical methods have been compared to those obtained by thermogravimetry (TGA) and a Pyroprobe device connected to a gas chromatograph with mass spectrometer detector (Py–GC/MS), showing a clear correlation. These results suggest a potential applicability of these techniques as fast and easy methods to qualitatively compare the biochemical composition of microalgal samples.

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The cell concentration and size distribution of the microalgae Nannochloropsis gaditana were studied over the whole growth process. Various samples were taken during the light and dark periods the algae were exposed to. The distributions obtained exhibited positive skew, and no change in the type of distribution was observed during the growth process. The size distribution shifted to lower diameters in dark periods while in light periods the opposite occurred. The overall trend during the growth process was one where the size distribution shifted to larger cell diameters, with differences between initial and final distributions of individual cycles becoming smaller. A model based on the Logistic model for cell concentration as a function of time in the dark period that also takes into account cell respiration and growth processes during dark and light periods, respectively, was proposed and successfully applied. This model provides a picture that is closer to the real growth and evolution of cultures, and reveals a clear effect of light and dark periods on the different ways in which cell concentration and diameter evolve with time.

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Multinational enterprises (MNEs) from Spain made large foreign direct investments (FDIs) in Latin America between 1990 and 2002, making Spain the second largest direct investor in this region since 1998, behind the United States. This dissertation explains the reasons that led Spanish firms to make these FDIs, as well as their operations in Latin America. Seven Spanish MNEs were included in this study, BBVA and SCH (banking), Telefónica (telecommunications), Endesa, Iberdrola and Unión Fenosa (public utilities), and Repsol-YPF (oil and natural gas). Quantitative and qualitative data were used. Data were collected from the firms' annual reports, from their archives and from personal interviews with senior executives, as well as from academic and specialized publications. ^ Results indicate that the large Spanish FDIs in Latin America were highly concentrated in a few firms from five sectors. The FDIs of these firms alone accounted for 70 percent of total Spanish FDI in Latin America in this period. The reasons for these investments were firm-specific and sector specific. A series of institutional conditions existed in Spain between the 1970s and the 1990s that allowed the employees of the firms to develop the knowledge and devise strategies to adjust to that set of conditions. First, the policies of the Spanish state favored the creation of large firms in these sectors, operating under conditions of monopoly sometimes. Secondly, the consumers put pressure on the firms to provide better and cheaper products as the Spanish economy grew and modernized. Thirdly, the employees of the firms had to adjust their services and products to the demands of the consumers and to the constraints of the state and the market. They adjusted the internal organization of the firm to be able to produce the goods and services that the market demanded. Externally, they also adopted patterns of interaction with outside agents and institutions. This patterned behavior was the “corporate culture” of each firm and the “normative framework” in which their employees operated. When the managers of the firms perceived that there were similar conditions in Latin America, they decided to operate there as well by making FDIs. ^

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El modelo de empresa-red constituye un desafío para los sistemas de relaciones laborales. Dicho modelo cuestiona el papel de las instituciones colectivas de trabajo, concebidas históricamente en el marco de una organización integrada verticalmente según el modelo fordista. En efecto, la empresa dispersa o el recurso a la subcontratación son contextos cada vez más habituales, en los cuales la organización del trabajo se encuentra disociada de la empresa en sentido jurídico y patrimonial, y donde se establecen relaciones de trabajo triangulares de facto entre empresa principal, empresa de servicios y trabajadores. La búsqueda de respuestas a esta problemática apunta a la reconstrucción de solidaridades entre los trabajadores, pasando por la acción de los representantes de los trabajadores. A partir de un estudio de casos llevado a cabo en dos industrias de flujo, la industria nuclear y la petroquímica, este artículo se propone analizar los efectos de la triangulación de la relación salarial a nivel de planta, y dos procesos experimentales de organización sindical y de negociación colectiva territorial que buscan dar respuesta a la problemática de la subcontratación. El artículo analiza los resultados y límites de dichas experiencias para reconstruir una “comunidad de trabajo” inclusiva de los trabajadores subcontratistas.

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Convenio Marco de Cooperación Técnica entre la Comisión Económica para América Latina y el Caribe e YPF S.A., Acta Complementaria de Cooperación Técnica Nº 1