977 resultados para DIAMAGNETIC SHIFTS


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El objetivo del presente trabajo es formular, mediante una profunda revisión documental, bibliográfica y empírica, una fundamentación teórica sobre si existe o no incidencia de las prácticas de recursos humanos sobre el bienestar laboral de los empleados, y el que grado en que esta se presenta sobre aspecto como el engagement y la satisfacción laboral. Se realizó la revisión de múltiples estudios empíricos que aportaran evidencia sobre la relación que se presenta entre las principales prácticas de recursos humanos – provisión de personal, formación y desarrollo, promoción de personal, evaluación de desempeño, compensación y pago, y balance trabajo-familia – y el bienestar laboral, representado en el engagement y satisfacción en el trabajo de los empleados. Los resultados de este trabajo indican la existencia de una relación e incidencia de las prácticas de recursos humanos, el bienestar laboral, el engagement y la satisfacción laboral. De igual forma se encontró que estas relaciones son principalmente de carácter positivo, lo cual indica que las organizaciones que desarrollan este tipo de prácticas en su interior, fomentan tanto el desarrollo y la presencia de bienestar laboral en sus empleados, como su perdurabilidad.

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La evolución del concepto de sistema promovió la consolidación de un enfoque que se comenzó a introducir en la revisión de diferentes objetos de estudio especialmente complejos, como los fenómenos sociales, gracias a sus características inter y trans disciplinarias. Este enfoque “sistémico” se promueve desde el campo de la biología y su metodología se incorporó al estudio de asuntos tan diversos como los temas ambientales, la ecología, la investigación en comunicaciones y muchos fenómenos sociales entre los que se encuentra el crecimiento de las ciudades. En el caso de los problemas urbanos, el enfoque sistémico surge como alternativa frente a la propuesta de la escuela funcionalista moderna. A partir de los años 60, las investigaciones urbanas comienzan a utilizar la visión sistémica como forma de aproximarse conceptualmente a lo físico urbano y avanzar en la comprensión de la complejidad de relaciones entre los componentes físicos de la estructura urbana, las racionalidades y acuerdos para el aprovechamiento del territorio natural de soporte, los bienes ambientales, los servicios públicos y los patrones de consumo, entre otros, una forma de metabolismo que permite asumir la ciudad como un ecosistema, soporte conceptual para la puesta en marcha de acciones que contribuyan a la sostenibilidad urbana. El seguimiento a esta visión sistémica y su incorporación como una herramienta de análisis e intervención urbana, sirve en primera instancia para llevar a cabo una reflexión crítica sobre la evolución del pensamiento urbano del siglo XX especialmente a partir de la segunda posguerra.

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In this article, I examine the implications of rewriting definitions of sanity and insanity through the use of noise, silence, and language,positioningElizabeth Bishop’s short story “In the Village” as a form of resistance against traditional readings of madness, logocentrism, and identity. I suggest that by writing her characters as undivided from the world of sound, Elizabeth Bishop’s story shifts understandings of insanity, which is often conceptualized through denials of agency, allowing her characters to escape in noises and hesitations in language and communication. “In the Village” avoids silencing the “insane” mother through her placement in a caesura of sound and silence. This article avoids a biographical reading of “In the Village,” which is often connected with her own mother’s “mental breakdown,” because Bishop’s writing would have been as much affected by her conscious awareness of her past as it was by the unconscious impulses and histories of writing in the West. Rather, I take into account Bishop’s own personal history as well as the repetitions that reflect a placement in a tradition appearing in the story itself. Using this particular lens, I believe a rereading of “In the Village” is in order, where the “mad mother” is not silenced by the oppressive social structures that control the insane,” but she instead finds escape in the multitudes of sounds that associate with her, erasing the power of language and opening a new world where agency exists in a scream or in a striking hammer.

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The integration of Biographical Knowledge in research processes is a methodological proposal of critical empiricism that shifts the centre of production of knowledge to the research objects. We try to show haw Biographical Narratives can allow bypassing the locks and the deviations from real observation by the researcher and focus is work on actors in process. In the critique of the Eurocentric paradigm and is production of hegemonic scientific discourses by Bonaventura Sousa Santos (Santos, 2000) proposes the "south epistemologies" as a research process and the inclusion of knowledge of actors as the research field. In the article we will try to look at the process of production of biographical narratives using the tools of south epistemological proposal. We start reviewing the methodologies working on biographical objects. Then we present the preliminary studies and research we have been doing in communities in southern Mozambique in Djabula Community Centre. These results should be completed with other works on the ground, and now we opened as a collaborative process discussion on African Studies community. The project will be completed in the coming months, through the proposal of a "House of memories" to develop with the local population through articles, stories, sounds and dances that are chosen and will support the chosen narratives by the community. The projects created with local players, from their problems allow rapprochement and dialogue between the different knowledge.

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The integration of Biographical Knowledge in research processes is a methodological proposal of critical empiricism that shifts the center of production of knowledge to the referred research objects. We try to show how Biographical Narratives can allow bypassing the locks and the deviations from real observation by the researcher, and focus his work on the actors in process. In the critique of the Eurocentric paradigm and its production of hegemonic scientific papers presentations and speaches, by Bonaventura Sousa Santos (Santos, 2000), proposes the "south epistemologies" as a research process and the inclusion of knowledge of actors as the research field. In the article, we will try to look at the production process of biographical narratives, using the tools of south epistemological proposal. We start with reviewing the methodologies, working on biographical objects, then we will present the preliminary studies and research that has been ongoing in several communities in southern Mozambique, in Djabula Community Centre. These results should be completed with other field works, as we open as a collaborative process discussion on African Studies community. We expect the project to be completed in the coming months, aiming towards the proposal of a "House of memories", in order to develop with the local population through articles, stories, sounds and dances that are selected and will support the chosen narratives by the community. The projects created with local players, from their problems will allow a rapprochement and dialogue between different kinds of knowledge."

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The integration of Biographical Knowledge in research processes is a methodological proposal of critical empiricism that shifts the center of production of knowledge to the referred research objects. We try to show how Biographical Narratives can allow bypassing the locks and the deviations from real observation by the researcher, and focus his work on the actors in process. In the critique of the Eurocentric paradigm and its production of hegemonic scientific papers presentations and speaches, by Bonaventura Sousa Santos (Santos, 2000), proposes the "south epistemologies" as a research process and the inclusion of knowledge of actors as the research field. In the article, we will try to look at the production process of biographical narratives, using the tools of south epistemological proposal. We start with reviewing the methodologies, working on biographical objects, then we will present the preliminary studies and research that has been ongoing in several communities in southern Mozambique, in Djabula Community Centre. These results should be completed with other field works, as we open as a collaborative process discussion on African Studies community. We expect the project to be completed in the coming months, aiming towards the proposal of a "House of memories", in order to develop with the local population through articles, stories, sounds and dances that are selected and will support the chosen narratives by the community. The projects created with local players, from their problems will allow a rapprochement and dialogue between different kinds of knowledge."

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Estudo descritivo que teve como objetivo avaliar a atuação do enfermeiro como gestor da Unidade de Terapia Intensiva do Hospital Regional do Baixo Amazonas Dr. Waldemar Pena – HRBA, o qual obteve o selo de Acreditado em Nível 1 em 2012. Para a obtenção dos dados utilizou-se um questionário elaborado com 10 perguntas subjetivas e aplicado aos enfermeiros gerentes que atuam nas Unidades de Terapia Intensiva e CTI do HRBA. Verificou-se nesse estudo que são indivíduos na faixa etária de 25 a 45 anos, com predominância do gênero feminino, com especialização em áreas diversas da enfermagem. Na atuação no setor de gerência, os enfermeiros estabelecem prioridades, direcionando sua equipe para os atendimentos assistenciais complexos aos pacientes, ficando o trabalho burocrático para ser realizado por último. Os entraves relatados são a insatisfação e o desgaste no exercício da função de gerente da unidade devido ao excesso de funcionários sem experiência em UTI, falta de autonomia, dupla jornada de trabalho, excesso de burocracia entre outras situações que se tornam motivos de estresse. Concluiu-se que a atuação do enfermeiro como gerente se respalda na função assistencial ao paciente através de cuidados diretos e indiretos e na organização dos trabalhos burocráticos na Unidade de Terapia Intensiva.

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Sectoral shifts, such as shrinkage of low labour productivity and the low-wage construction sector, can lead to apparent increased aggregate average labour productivity and average wages, especially when capital intensity differs across sectors. For 11 main sectors and 13 manufacturing sub-sectors, we quantify the compositional effects on productivity, wages and unit labour costs (ULCs) based and real effective exchange rates (REER), for 24 EU countries. Compositional effects are greatest in Ireland, where the pharmaceutical sector drives the growth of output and productivity, but other sectors have suffered greatly and have not yet recovered. Our new ULC-REER measurements, which are free from compositional effects, correlate well with export performance. Among the countries facing the most severe external adjustment challenges, Lithuania, Portugal and Ireland have been the most successful based on five indicators, and Latvia, Estonia and Greece the least successful. There is evidence of downward wage flexibility in some countries, but wage cuts have corrected just a small fraction of pre-crisis wage rises and came with massive reductions in employment even in the business sector excluding construction and real estate, highlighting the difficulty of adjusting wages downward.

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In this CEPS Commentary, Steven Blockmans notes that a prolonged period of instability lies ahead for Syria, with an on-going risk of spill-over effects affecting the entire region. The author argues that the EU’s plans for a post-Assad Syria should extend beyond the half-hearted responses to the monumental changes that have ripped through other parts of the Arab world. In recognition of the geostrategic shifts in the Middle East and the Gulf, and pursuant to the obligation imposed upon it by the Lisbon Treaty, the EU should plan for the creation of a regional space of shared security. Such a plan would fit well into the current efforts to revamp the European Security Strategy.

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This paper reflects on the challenges facing the effective implementation of the new EU fundamental rights architecture that emerged from the Lisbon Treaty. Particular attention is paid to the role of the Court of Justice of the European Union (CJEU) and its ability to function as a ‘fundamental rights tribunal’. The paper first analyses the praxis of the European Court of Human Rights in Strasbourg and its long-standing experience in overseeing the practical implementation of the European Convention for the Protection of Human Rights and Fundamental Freedoms. Against this analysis, it then examines the readiness of the CJEU to live up to its consolidated and strengthened mandate on fundamental rights as one of the prime guarantors of the effective implementation of the EU Charter of Fundamental Rights. We specifically review the role of ‘third-party interventions’ by non-governmental organisations, international and regional human rights actors as well as ‘interim relief measures’ when ensuring effective judicial protection of vulnerable individuals in cases of alleged violations of fundamental human rights. To flesh out our arguments, we rely on examples within the scope of the relatively new and complex domain of EU legislation, the Area of Freedom, Security and Justice (AFSJ), and its immigration, external border and asylum policies. In view of the fundamental rights-sensitive nature of these domains, which often encounter shifts of accountability and responsibility in their practical application, and the Lisbon Treaty’s expansion of the jurisdiction of the CJEU to interpret and review EU AFSJ legislation, this area can be seen as an excellent test case for the analyses at hand. The final section puts forth a set of policy suggestions that can assist the CJEU in the process of adjusting itself to the new fundamental rights context in a post-Lisbon Treaty setting.

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Does the 2009 Stockholm Programme matter? This paper addresses the controversies experienced at EU institutional levels as to ‘who’ should have ownership of the contours of the EU’s policy and legislative multiannual programming in the Area of Freedom, Security and Justice (AFSJ) in a post-Lisbon Treaty landscape. It examines the struggles around the third multiannual programme on the AFSJ, i.e. the Stockholm Programme, and the dilemmas affecting its implementation. The latest affair to emerge relates to the lack of fulfilment by the European Commission of the commitment to provide a mid-term evaluation of the Stockholm Programme’s implementation by mid-2012, as requested by both the Council and the European Parliament. This paper shifts the focus to a broader perspective and raises the following questions: Is the Stockholm Programme actually relevant? What do the discussions behind its implementation tell us about the new institutional dynamics affecting European integration on the AFSJ? Does the EU actually need a new (post- Stockholm) multiannual programme for the period 2015–20? And last, what role should the EP play in legislative and policy programming in order to further strengthen the democratic accountability and legitimacy of the EU’s AFSJ?

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Under anthropogenic climate change it is possible that the increased radiative forcing and associated changes in mean climate may affect the “dynamical equilibrium” of the climate system; leading to a change in the relative dominance of different modes of natural variability, the characteristics of their patterns or their behavior in the time domain. Here we use multi-century integrations of version three of the Hadley Centre atmosphere model coupled to a mixed layer ocean to examine potential changes in atmosphere-surface ocean modes of variability. After first evaluating the simulated modes of Northern Hemisphere winter surface temperature and geopotential height against observations, we examine their behavior under an idealized equilibrium doubling of atmospheric CO2. We find no significant changes in the order of dominance, the spatial patterns or the associated time series of the modes. Having established that the dynamic equilibrium is preserved in the model on doubling of CO2, we go on to examine the temperature pattern of mean climate change in terms of the modes of variability; the motivation being that the pattern of change might be explicable in terms of changes in the amount of time the system resides in a particular mode. In addition, if the two are closely related, we might be able to assess the relative credibility of different spatial patterns of climate change from different models (or model versions) by assessing their representation of variability. Significant shifts do appear to occur in the mean position of residence when examining a truncated set of the leading order modes. However, on examining the complete spectrum of modes, it is found that the mean climate change pattern is close to orthogonal to all of the modes and the large shifts are a manifestation of this orthogonality. The results suggest that care should be exercised in using a truncated set of variability EOFs to evaluate climate change signals.

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We have investigated the adsorption and thermal decomposition of copper hexafluoroacetylacetonate (Cu-11(hfaC)(2)) on single crystal rutile TiO2(110). Low energy electron diffraction shows that room temperature saturation coverage of the Cu-II(hfac)(2) adsorbate forms an ordered (2 x 1) over-layer. X-ray and ultra-violet photoemission spectroscopy of the saturated surface were recorded as the sample was annealed in a sequential manner to reveal decomposition pathways. The results show that the molecule dissociatively adsorbs by detachment of one of the two ligands to form hfac and Cu-1(hfac) which chemisorb to the substrate at 298 K. These ligands only begin to decompose once the surface temperature exceeds 473 K where Cu core level shifts indicate metallisation. This reduction from Cu(I) to Cu(0) takes place in the absence of an external reducing agent and without disproportionation and is accompanied by the onset of decomposition of the hfac ligands. Finally, C K-edge near edge X-ray absorption fine structure experiments indicate that both the ligands adsorb aligned in the < 001 > direction and we propose a model in which the hfac ligands adsorb on the 5-fold coordinated Ti atoms and the Cu-1(hfac) moiety attaches to the bridging O atoms in a square planar geometry. The calculated tilt angle for these combined geometries is approximately 10 degrees to the surface normal.

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This paper discusses the risks of a shutdown of the thermohaline circulation (THC) for the climate system, for ecosystems in and around the North Atlantic as well as for fisheries and agriculture by way of an Integrated Assessment. The climate model simulations are based on greenhouse gas scenarios for the 21st century and beyond. A shutdown of the THC, complete by 2150, is triggered if increased freshwater input from inland ice melt or enhanced runoff is assumed. The shutdown retards the greenhouse gas-induced atmospheric warming trend in the Northern Hemisphere, but does not lead to a persistent net cooling. Due to the simulated THC shutdown the sea level at the North Atlantic shores rises by up to 80 cm by 2150, in addition to the global sea level rise. This could potentially be a serious impact that requires expensive coastal protection measures. A reduction of marine net primary productivity is associated with the impacts of warming rather than a THC shutdown. Regional shifts in the currents in the Nordic Seas could strongly deteriorate survival chances for cod larvae and juveniles. This could lead to cod fisheries becoming unprofitable by the end of the 21st century. While regional socioeconomic impacts might be large, damages would be probably small in relation to the respective gross national products. Terrestrial ecosystem productivity is affected much more by the fertilization from the increasing CO2 concentration than by a THC shutdown. In addition, the level of warming in the 22nd to 24th century favours crop production in northern Europe a lot, no matter whether the THC shuts down or not. CO2 emissions corridors aimed at limiting the risk of a THC breakdown to 10% or less are narrow, requiring departure from business-as-usual in the next few decades. The uncertainty about THC risks is still high. This is seen in model analyses as well as in the experts’ views that were elicited. The overview of results presented here is the outcome of the Integrated Assessment project INTEGRATION.

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Investigation of preferred structures of planetary wave dynamics is addressed using multivariate Gaussian mixture models. The number of components in the mixture is obtained using order statistics of the mixing proportions, hence avoiding previous difficulties related to sample sizes and independence issues. The method is first applied to a few low-order stochastic dynamical systems and data from a general circulation model. The method is next applied to winter daily 500-hPa heights from 1949 to 2003 over the Northern Hemisphere. A spatial clustering algorithm is first applied to the leading two principal components (PCs) and shows significant clustering. The clustering is particularly robust for the first half of the record and less for the second half. The mixture model is then used to identify the clusters. Two highly significant extratropical planetary-scale preferred structures are obtained within the first two to four EOF state space. The first pattern shows a Pacific-North American (PNA) pattern and a negative North Atlantic Oscillation (NAO), and the second pattern is nearly opposite to the first one. It is also observed that some subspaces show multivariate Gaussianity, compatible with linearity, whereas others show multivariate non-Gaussianity. The same analysis is also applied to two subperiods, before and after 1978, and shows a similar regime behavior, with a slight stronger support for the first subperiod. In addition a significant regime shift is also observed between the two periods as well as a change in the shape of the distribution. The patterns associated with the regime shifts reflect essentially a PNA pattern and an NAO pattern consistent with the observed global warming effect on climate and the observed shift in sea surface temperature around the mid-1970s.