When petro-capitalism comes knocking: community interpretations and responses to the Gros Morne fracking controversy

With the depletion of conventional oil and gas sources, the world is turning to what Urry terms “tough oil,” such as oil from the Alberta oil sands and Arctic. Fracking is a prominent example of this. Situated within an environmental justice framework, I analyze community interpretations and responses to proposed fracking development near Gros Morne National Park, Newfoundland, Canada. Based on data generated from interviews, field observations and content analysis of texts, my findings suggest that how residents view rural place is highly significant in influencing supportive or oppositional positions on fracking. Proponents picture place as a resource extraction landscape, whereas opponents understand place as a restorative landscape for leisure/tourism activities. Through debates about fracking, place is contested and re-imagined. In many ways, fracking is a struggle over who has the power to define the meanings and characteristics of rural community in an era of tough oil and significant rural change.

Uma metodologia para geração otimizada de ambientes virtuais baseados em usinas hidrelétricas

Based on the possibility of real-time interaction with three-dimensional environments through an advanced interface, Virtual Reality consist in the main technology of this work, used in the design of virtual environments based on real Hydroelectric Plants. Previous to the process of deploying a Virtual Reality System for operation, three-dimensional modeling and interactive scenes settings are very importante steps. However, due to its magnitude and complexity, power plants virtual environments generation, currently, presents high computing cost. This work aims to present a methodology to optimize the production process of virtual environments associated with real hydroelectric power plants. In partnership with electric utility CEMIG, several HPPs were used in the scope of this work. During the modeling of each one of them, the techiniques within the methodologie were addressed. After the evaluation of the computional techniques presented here, it was possible to confirm a reduction in the time required to deliver each hydroelectrical complex. Thus, this work presents the current scenario about development of virtual hydroelectric power plants and discusses the proposed methodology that seeks to optimize this process in the electricity generation sector.

Mechatronic solutions for measuring disturbance levels within a cochlea

Hearing implants are an important devices for combating deafness over the next 15 years. In this paper, we focus on the means to determine the sensitivity of the hearing organ to disturbances produced by implants and other interventions, and those induced by implantation. The preservation of residual hearing is an important aspect to be considered, however, the sensitivity of this to the process of implantation, device location and power levels is not well understood. Within this paper, a new experimental set-up to contrast the merits of different implantation techniques, implant location and power transmission are discussed and the initial results regarding disturbance levels using different surgical techniques are described.

Piezoelectric energy harvesting using blood-flow-like excitation for implantable devices

The goal of this research is to produce a system for powering medical implants to increase the lifetime of the implanted devices and reduce the battery size. The system consists of a number of elements – the piezoelectric material for generating power, the device design, the circuit for rectification and energy storage. The piezoelectric material is analysed and a process for producing a repeatable high quality piezoelectric material is described. A full width half maximum (FWHM) of the rocking curve X-Ray diffraction (XRD) scan of between ~1.5° to ~1.7° for test wafers was achieved. This is state of the art for AlN on silicon and means devices with good piezoelectric constants can be fabricated. Finite element modelling FEM) was used to design the structures for energy harvesting. The models developed in this work were established to have an accuracy better than 5% in terms of the difference between measured and modelled results. Devices made from this material were analysed for power harvesting ability as well as the effect that they have on the flow of liquid which is an important consideration for implantable devices. The FEM results are compared to experimental results from laser Doppler vibrometry (LDV), magnetic shaker and perfusion machine tests. The rectifying circuitry for the energy harvester was also investigated. The final solution uses multiple devices to provide the power to augment the battery and so this was a key feature to be considered. Many circuits were examined and a solution based on a fully autonomous circuit was advanced. This circuit was analysed for use with multiple low power inputs similar to the results from previous investigations into the energy harvesting devices. Polymer materials were also studied for use as a substitute for the piezoelectric material as well as the substrate because silicon is more brittle.

The emerging ASEAN approach to mutual recognition : a comparison with Europe, trans-Tasman, and North America

Existing studies on mutual recognition agreements (MRAs) are mostly based on the European experience. In this paper, we will examine the ongoing attempts to establish a mutual recognition architecture in the Association of Southeast Asian Nations (ASEAN) and seek to explain the region's unique approach to MRAs, which can be classified as a "hub and spoke" model of mutual recognition. On one hand, ASEAN is attempting to establish a quasi-supranational ASEAN-level mechanism to confer "ASEAN qualification" effective in the entire ASEAN region. On the other hand, ASEAN MRAs respect members' national sovereignty, and it is national authorities, not ASEAN institutions, who have the ultimate power to approve or disapprove the supply of services by ASEAN qualification holders. Such a mixed approach to mutual recognition can be best understood as a centralized mechanism for learning-by-doing, rather than centralized recognition per se.

El proceso de integración latinoamericana : Claves, conflictos y perspectivas de análisis

Los procesos de integración latinoamericana vienen siendo estudiados desde hace tiempo, y su abordaje plantea múltiples dimensiones para la investigación social. En el presente trabajo se indagan algunas de las características de la territorialidad en la región suramericana para preguntarse por algunos de los procesos de integración que atañen a Suramérica, particularmente respecto del bloque UNASUR, poniendo especial énfasis en las transformaciones que han operado en las últimas décadas. El enfoque territorial será la lupa a través de la cual se intentará tener un primer acercamiento al fenómeno atravesado por dinámicas de poder más amplias y más complejas. Se comienza con una reflexión inicial en torno a los modos de concebir analíticamente el territorio, que está invadido por múltiples lógicas y mecanismos de poder. El recorrido por los debates sobre las modalidades de inserción internacional, así como por las etapas de regionalismo en Latinoamérica, contribuirá a la descripción de las nuevas condiciones que se dan en la región a la hora de analizar el surgimiento de nuevos bloques de poder. Así, podremos preguntarnos si el bloque de Unasur es estructurado sobre nuevas lógicas de construcción de poder. Su estudio permitirá también indagar en los desafíos que su conformación plantea y en las tensiones y en los conflictos de intereses que los distintos propósitos de integración que conviven en Unasur conllevan

El proceso de integración latinoamericana : Claves, conflictos y perspectivas de análisis

Los procesos de integración latinoamericana vienen siendo estudiados desde hace tiempo, y su abordaje plantea múltiples dimensiones para la investigación social. En el presente trabajo se indagan algunas de las características de la territorialidad en la región suramericana para preguntarse por algunos de los procesos de integración que atañen a Suramérica, particularmente respecto del bloque UNASUR, poniendo especial énfasis en las transformaciones que han operado en las últimas décadas. El enfoque territorial será la lupa a través de la cual se intentará tener un primer acercamiento al fenómeno atravesado por dinámicas de poder más amplias y más complejas. Se comienza con una reflexión inicial en torno a los modos de concebir analíticamente el territorio, que está invadido por múltiples lógicas y mecanismos de poder. El recorrido por los debates sobre las modalidades de inserción internacional, así como por las etapas de regionalismo en Latinoamérica, contribuirá a la descripción de las nuevas condiciones que se dan en la región a la hora de analizar el surgimiento de nuevos bloques de poder. Así, podremos preguntarnos si el bloque de Unasur es estructurado sobre nuevas lógicas de construcción de poder. Su estudio permitirá también indagar en los desafíos que su conformación plantea y en las tensiones y en los conflictos de intereses que los distintos propósitos de integración que conviven en Unasur conllevan

El proceso de integración latinoamericana : Claves, conflictos y perspectivas de análisis

Los procesos de integración latinoamericana vienen siendo estudiados desde hace tiempo, y su abordaje plantea múltiples dimensiones para la investigación social. En el presente trabajo se indagan algunas de las características de la territorialidad en la región suramericana para preguntarse por algunos de los procesos de integración que atañen a Suramérica, particularmente respecto del bloque UNASUR, poniendo especial énfasis en las transformaciones que han operado en las últimas décadas. El enfoque territorial será la lupa a través de la cual se intentará tener un primer acercamiento al fenómeno atravesado por dinámicas de poder más amplias y más complejas. Se comienza con una reflexión inicial en torno a los modos de concebir analíticamente el territorio, que está invadido por múltiples lógicas y mecanismos de poder. El recorrido por los debates sobre las modalidades de inserción internacional, así como por las etapas de regionalismo en Latinoamérica, contribuirá a la descripción de las nuevas condiciones que se dan en la región a la hora de analizar el surgimiento de nuevos bloques de poder. Así, podremos preguntarnos si el bloque de Unasur es estructurado sobre nuevas lógicas de construcción de poder. Su estudio permitirá también indagar en los desafíos que su conformación plantea y en las tensiones y en los conflictos de intereses que los distintos propósitos de integración que conviven en Unasur conllevan

A stereo-image analysis JAVA software with links to executable and source code

Scientists planning to use underwater stereoscopic image technologies are often faced with numerous problems during the methodological implementations: commercial equipment is too expensive; the setup or calibration is too complex; or the imaging processing (i.e. measuring objects in the stereo-images) is too complicated to be performed without a time-consuming phase of training and evaluation. The present paper addresses some of these problems and describes a workflow for stereoscopic measurements for marine biologists. It also provides instructions on how to assemble an underwater stereo-photographic system with two digital consumer cameras and gives step-by-step guidelines for setting up the hardware. The second part details a software procedure to correct stereo-image pairs for lens distortions, which is especially important when using cameras with non-calibrated optical units. The final part presents a guide to the process of measuring the lengths (or distances) of objects in stereoscopic image pairs. To reveal the applicability and the restrictions of the described systems and to test the effects of different types of camera (a compact camera and an SLR type), experiments were performed to determine the precision and accuracy of two generic stereo-imaging units: a diver-operated system based on two Olympus Mju 1030SW compact cameras and a cable-connected observatory system based on two Canon 1100D SLR cameras. In the simplest setup without any correction for lens distortion, the low-budget Olympus Mju 1030SW system achieved mean accuracy errors (percentage deviation of a measurement from the object's real size) between 10.2 and -7.6% (overall mean value: -0.6%), depending on the size, orientation and distance of the measured object from the camera. With the single lens reflex (SLR) system, very similar values between 10.1% and -3.4% (overall mean value: -1.2%) were observed. Correction of the lens distortion significantly improved the mean accuracy errors of either system. Even more, system precision (spread of the accuracy) improved significantly in both systems. Neither the use of a wide-angle converter nor multiple reassembly of the system had a significant negative effect on the results. The study shows that underwater stereophotography, independent of the system, has a high potential for robust and non-destructive in situ sampling and can be used without prior specialist training.

Polymer Process Partitioning: Extruding Plastic Pipe

When plastic pipe is solidified, it proceeds through a long cooling chamber. Inside this chamber, inside the hollow extrudate, the plastic is molten, and this inner surface solidifies last. Sag, the flow due to the self-weight of the molten plastic, then happens in this cooling chamber, and sometimes, thickened regions (called knuckles) arise in the lower quadrants, especially of large diameter thickwalled pipes. To compensate for sag, engineers normally shift the die centerpiece downward. This thesis focuses on the consequences of this decentering. Specifically, when the molten polymer is viscoelastic, as is normally the case, a downward lateral force is exerted on the mandrel. Die eccentricity also affects the downstream axial force on the mandrel. These forces govern how rigidly the mandrel must be attached (normally, on a spider die). We attack this flow problem in eccentric cylindrical coordinates, using the Oldroyd 8-constant constitutive model framework. Specifically, we revise the method of Jones (1964), called polymer process partitioning. We estimate both axial and lateral forces. We develop a corresponding map to help plastics engineers predict the extrudate shape, including extrudate knuckles. From the mass balance over the postdie region, we then predict the shape of the extrudate entering the cooling chamber. We further include expressions for the stresses in the extruded polymer melt. We include detailed dimensional worked examples to show process engineers how to use our results to design pipe dies, and especially to suppress extrudate knuckling.

A ‘right to have rights’ in the EU public sphere? An Arendtian justification for the application of the EU Charter of Fundamental Rights

This paper discusses the Court’s reasoning in interpreting the EU Charter, using recent case law on horizontal effect as a case study. It identifies two possible means of interpreting the provisions of the Charter: firstly, an approach based on common values (e.g. equality or solidarity) and, secondly, an approach based on access to the public sphere. It argues in favour of the latter. Whereas an approach based on common values is more consonant with the development of the case law so far, it is conceptually problematic: it involves subjective assessments of the importance and degree of ‘sharedness’ of the value in question, which can undermine the equal constitutional status of different Charter provisions. Furthermore, it marginalises the Charter’s overall politically constructional character, which distinguishes it from other sources of rights protection listed in Art 6 TEU. The paper argues that, as the Charter’s provisions concretise the notion of political status in the EU, they have a primarily constitutional, rather than ethical, basis. Interpreting the Charter based on the very commitment to a process of sharing, drawing on Hannah Arendt’s idea of the ‘right to have rights’ (a right to access a political community on equal terms), is therefore preferable. This approach retains the pluralistic, post-national fabric of the EU polity, as it accommodates multiple narratives about its underlying values, while also having an inclusionary impact on previously underrepresented groups (e.g. non-market-active citizens or the sans-papiers) by recognising their equal political disposition.

Relaciones de poder y guerra

Este artículo introduce los conceptos de relaciones de poder analizados por Michel Foucault, haciendo hincapié en el vínculo del ejercicio del poder en las relaciones internacionales. Por ello, se analizan el marco de relaciones que el ejercicio de dicho poder genera, así como las tipologías de relaciones entre Estados, que igualmente genera el poder. El artículo presenta los paradigmas de las relaciones internacionales y su evolución en el tiempo, estableciendo puentes con las consideraciones de Foucault con respecto al poder, la guerra, la represión o las razas. En este sentido, el concepto de guerra de razas se antoja fundamental para identificar dicha noción como la versión más extrema del paradigma realista. Dicha guerra de razas no constituye una categoría que integre necesariamente el concepto biológico, sino que se refiere al proceso de imposición de la identidad del grupo dominante, la cual puede contener aspectos étnicos, socioculturales y políticos. No obstante, ni el realismo ni su visión extrema son los únicos paradigmas existentes, ya que la evolución de los paradigmas alternativos ha conllevado la génesis del reflectivismo como alternativa al realismo.

Net-surplus as a useful tool to analyse financial information in co-op societies

This paper aims to analyse a sample of Galician co-ops to verify whether or not it is possible to deduce different financial behaviours among co-op partners from the amount of net-surplus. To this end, our study adds net-surplus to the variation registered in some account entries so that other residual incomes yielded by the co-op may be considered. The distribution of these revenues shows that partners do not usually choose to fully anticipate residual incomes. This reveals that some firms follow a positive net-surplus strategy, which is actually different from the null net-surplus strategy asserted by the classical financial theory. Furthermore, results show that differences between both strategies are statistically significant. This opens a path to future research on determinants explaining why co-op partners voluntarily renounce to anticipating these residual incomes. Such behaviour only arises when yearly accounts render a positive result, thereby making the accounting net-surplus a useful tool to analyse financial information in co-op societies.

Temor, silencio y deliberación: la inhibición de la opinión en Tucídides

Tucídides es una de nuestras mejores fuentes de información para conocer la práctica argumentativa de la deliberación democrática. En este trabajo se analiza uno de los vicios que, según el historiador, haría su aparición en la escena política ateniense a la muerte de Pericles: la instrumentalización del miedo para obtener la victoria momentánea en la asamblea. El temor prudente, que fuera una arma periclea para conducir la deliberación racional en aras del bien común, habría desaparecido siendo sustituido por el amedrentamiento del rival, la calumnia, el obstruccionismo y la parálisis de la confrontación dialéctica. Instauradas en la ciudad la desconfianza y la sospecha de ocultación, los golpistas del 411 hallaron el terreno abonado para callar las voces contrarias y, gracias al silencio, instaurar el terror.

Las edades de Hitler. De Satán a un ser de carne y hueso, y su representación en clave paródica

Adolf Hitler suscitó desde su entrada en la escena política alemana una fascinación perversa, un sentimiento que, con el tiempo, ha dado lugar a numerosas representaciones culturales sobre el Führer. La muestra, rica y variada tanto en el fondo como en la forma, nos permitirá trazar tres estadios en lo referente al proceso de construcción historiográfica del hitlerismo, iniciado con la caída del Tercer Reich. Estos responden en buena medida al devenir sociopolítico y cultural de la sociedad a escala global desde el final de la guerra y hasta nuestros días y pueden resumirse en tres: primero, la satanización; segundo, la humanización; tercero, el retrato caricaturesco. Proponemos un recorrido histórico por diversos productos culturales del dictador alemán cuyo propósito es desentrañar el retrato psicológico poliédrico que se ha construido en torno a la figura de Hitler.