375 research outputs found

    Book review: Decentering Empire: Britain, India and the Transcolonial World

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    This article reviews the book: “Decentering Empire: Britain, India and the Transcolonial World”, by Durba Ghosh and Dane Kennedy

    Recovery from Thin Net Pay in Gas Fields

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    Imperial Users onl

    An Analytic Hierarchy Process for The Evaluation of Transport Policies to Reduce Climate Change Impacts

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    Transport is the sector with the fastest growth of greenhouse gases emissions, both in developed and in developing countries, leading to adverse climate change impacts. As the experts disagree on the occurrence of these impacts, by applying the analytic hierarchy process (AHP), we have faced the question on how to form transport policies when the experts have different opinions and beliefs. The opinions of experts have been investigated by a means of a survey questionnaire. The results show that tax schemes aiming at promoting environmental-friendly transport mode are the best policy. This incentives public and environmental-friendly transport modes, such as car sharing and car pooling.Analytic Hierarchy Process, Transport Policies, Climate Change

    Contrasting Views of Complexity and Their Implications For Network-Centric Infrastructures

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    There exists a widely recognized need to better understand and manage complex “systems of systems,” ranging from biology, ecology, and medicine to network-centric technologies. This is motivating the search for universal laws of highly evolved systems and driving demand for new mathematics and methods that are consistent, integrative, and predictive. However, the theoretical frameworks available today are not merely fragmented but sometimes contradictory and incompatible. We argue that complexity arises in highly evolved biological and technological systems primarily to provide mechanisms to create robustness. However, this complexity itself can be a source of new fragility, leading to “robust yet fragile” tradeoffs in system design. We focus on the role of robustness and architecture in networked infrastructures, and we highlight recent advances in the theory of distributed control driven by network technologies. This view of complexity in highly organized technological and biological systems is fundamentally different from the dominant perspective in the mainstream sciences, which downplays function, constraints, and tradeoffs, and tends to minimize the role of organization and design

    The need of standardization and the potential role of voluntary approaches: Issues and trends in Italian GCHP market

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    Despite the lack of specific incentives, Ground Coupled Heat Pumps (GCHP) installations are booming in Italy both in private and public sectors of the market. Such rapid growth entails an increasing concern for environmental and technical performances since no comprehensive regulation and reliable standards exist yet. By means of an investigation of sectoral opinion leaders and SWOT-based technique for building scenarios, this paper discusses potential schemes for balancing mandatory and voluntary requirements. The analysis suggests that standardization and voluntary schemes are perceived as effective tools to encourage the greening of Italian GCHP-SMEs in short-run while laying the foundations for evolving sustainable policies in the longer run. A potential scheme that has been simulated by reflecting the supply-side orientations of the market and that involves of process and product standards is discussed.
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