13 research outputs found

    The European Registered Toxicologist (ERT) : Current status and prospects for advancement

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    Acknowledgements We would like to thank the participants of the five workshops in which the issues presented in this paper were discussed and the revised guidelines prepared, as well as the EUROTOX Executive Committee and the societies of toxicology of Sweden, the Netherlands, Switzerland, Austria and France for their support which allowed the workshops to take place.Peer reviewedPostprin

    From pathology to mainstream phenomenon: Reviewing the Euroscepticism debate in research and theory

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    International audienceWhen taking stock of the now vast literature on Euroscepticism, one cannot but notice the often deeply normative character of much of the academic research on this topic. This article argues that it is as a result of the pro-integration bias in mainstream EC/EU studies that Euroscepticism has been conceptualized as a ?phenomenon of the periphery? ? be it the periphery of party systems, the periphery of domestic societies or the geographical periphery of the EU, epitomized by the UK and the Nordic countries. However, since the early 2000s, the spread of Euroscepticism at public opinion and party levels across the EU has contributed to changing academic understandings of Euroscepticism, from a quasi-pathology to a mainstream and enduring phenomenon in European domestic societies and democracies. Considering the risk of conceptual overstretch ensuing from this ?mainstreaming?, the article puts forward some theoretical and methodological proposals for future research on Euroscepticism, by drawing lessons from comparable academic debates on the notion of populism, and by recasting debates on Euroscepticism in the light of the current financial and Eurozone crises

    The EU fundamental rights policy as a source of Euroscepticism

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    Contested meanings of "solidarity" in the current EU context: unifying identity resource or divisive policy variable?

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    The EU fundamental rights policy as a source of Euroscepticism

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    Very high-resolution three-dimensional imaging of natural environments using a tomographic ground-based SAR system

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    This paper concerns three dimensional imaging of volumetric natural environments, such as snow packs and sea ice, using a ground based SAR system and X and Ku bands. The ground-based acquisition system consists of a vector network analyzer and an multi-static antenna system, moved along two orthogonal directions, so as to obtain a two dimensional synthetic array. Tomographic processing techniques, based on the coherent combination of the acquired SAR signals and adapted to the three-dimensional focusing of very high resolution data, are proposed. Specific automatic correction approaches, aiming to compensate for acquisition errors and uncertainties, are developed in order to improve the quality and descriptiveness of the tomograms. It is then shown that three dimensional imaging permits to retrieve the vertical structure of shallow volumetric media at a resolution of few centimeters and to emphasize physical scattering phenomena that cannot be observed from classical two-dimensional SAR data sets

    Time Reversal Communications With Channel State Information Estimated From Impedance Modulation at the Receiver

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    International audienceWe determine the channel state information (CSI) of a multiple-input single-output (MISO) Rayleigh channel without prior communications between the transmitting antennas and the receiver. Our approach solely relies on an impedance modulation at the receiver and therefore circumvents the vexing need of a direct feedback between receiver and transmitters. We extract the wavefront to be transmitted in order to achieve optimal focusing on the receiver from a generalized Wigner-Smith operator (WSO). The latter is evaluated based on the scattering matrix of the transmit array measured in the two possible states of the receiver. Based on the CSI extracted via the WSO, any desired precoding technique can be implemented. Here, we show through in- situ time-domain measurements in a reverberation chamber that our approach closely reaches time-reversal performances in terms of focusing efficiency. We expect our approach to open up new perspectives for future wireless communications and wireless power transfer, including applications in the biomedical domain and electronic warfare
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