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For the past decade, much attention has been devoted to the potential consequences of a nuclear‐armed Iran. Yet the binary ‘acquisition/restraint’ lens through which the Iranian nuclear issue is frequently viewed is limiting. There is now much evidence to suggest that Iran is engaged in a strategy based on nuclear hedging, rather than an outright pursuit of the bomb. This does not change the need to contain Tehran's proliferation potential, yet it does add another layer of complexity to the challenge. Iran will retain a low level of latency whatever the final outcome of longstanding diplomatic efforts to constrain the scope and pace of its nuclear efforts. This article will explore the implications of Iranian nuclear hedging and consider how regional rivals might interpret and respond to Tehran's nuclear strategy. On a larger scale, the article will explore the potential impact of the international community's approach to the Iranian case—implicitly recognizing, even giving legitimacy to, hedging—both in terms of the future of the Nuclear Non‐Proliferation Treaty (NPT) and the ability of the international community to limit the negative effects of this form of proliferation behaviour.  相似文献   
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In this paper, we articulate the relationships between strategies of flexible specialization, uncertainty, and the firm in order to emphasize the internal differentiation of flexibly specialized regions. Conceptually, the paper argues that this variability is an implication of uncertainty which has been neglected in the literature. In particular, in response to uncertainty, firms develop different types of flexibility with respect to production, technology, and employment in sometimes novel ways that do not correspond to ideal types. Empirically, the argument is demonstrated through a detailed examination of several case study firms operating in the wood remanufacturing industry of the Vancouver metropolitan area, British Columbia.
Ceffe étude montre comment s'amculent les relations entre les stratégies de spécialisation flexible, les incertitudes du marché et la firme afin de souligner les différenciations à l'intérieur des régions à spécialisation flexible. De façon conceptuelle, on discutera ici du fait que la variabilité découle de l'incertitude du marché, point sur lequel on n'a pas beaucoup écrit. Notamment, pour répondre à l'incertitude, les firmes développent des types différents de flexibilityé portant sur la production, la technologie et la main-d'oeuvre par des moyens quelquefois innovateurs qui ne correspondent pas à des critères idéals. La démonstration est faite, de façon empirique, par un examen détaillé de plusieurs cas de compagnies de I'industrie manufacturière du bois d'oeuvre de la région du Vancouver métropolitain, en Colombie-Britan-nique.
Mots-clés: Spécialisation flexible, incertitudes du marché, industrie manufacturière du bois, stratégic de I'entreprise, Vancouver.  相似文献   
3.
The technical and political evidence that Iran is seeking to establish a ‘nuclear hedging’ capability has gradually increased over the past nine years. The regime in Tehran has continued to insist that its nuclear ambitions are purely civilian in nature and it has resisted the international community's dual‐track policy, encompassing both negotiations and sanctions, to persuade Iran to be fully transparent about its nuclear activities and plans, and to suspend work related to uranium enrichment and plutonium separation. While the prospects for a negotiated solution currently appear slim, the regime does not yet appear to have decided whether, or when, to produce nuclear weapons and to break out of the Nuclear Non‐Proliferation Treaty. It is essential, therefore, to maintain and if necessary to build up the pressure on Iran and to strengthen efforts to disrupt its procurement of technology and materials for its nuclear programme. It is also imperative for the international community to maintain negotiations and also consider alternative diplomatic approaches to enhance the prospects of keeping Iran focused purely on civil nuclear ambitions, while at the same time resolving questions related to the possible military dimensions of Iran's nuclear programme.  相似文献   
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The second Nuclear Security Summit on 26–27 March 2012 in Seoul provides an important opportunity to gauge international consensus on the threat posed by nuclear terrorism, and to evaluate progress in the development of multilateral cooperative efforts to prevent it. However, the ‘nuclear security’ agenda has long been complicated by the complexity of the issues it covers and diverging perceptions of the risks and threats in this area. Further complications involve the politics that have constrained the development of formal cooperative approaches and the patchwork nature of the existing multilateral policy architecture. While the Summit is unlikely to go very far in mitigating these complications, it will nonetheless provide impetus to multilateral efforts to strengthen the international regulative framework in this area and, in the process, to develop the norm of nuclear security. Beyond Seoul several priorities stand out. Nuclear safety and nuclear security need to be approached in a more balanced way by the International Atomic Energy Agency, and it must also be allowed to adopt a more joined‐up, and less stove‐piped, approach to nuclear governance across the safeguards, safety and security fields. Developing countries that are concerned by growing demands for strengthened nuclear security arrangements need greater reassurance from those proposing them that these will not undermine their rights under the Nuclear Non‐Proliferation Treaty to pursue civil applications of nuclear energy. Greater progress also needs to be made in universalizing the key nuclear security conventions and their amendments, and attention should be given to how momentum and high‐level political buy‐in to the nuclear security agenda can be maintained in the future both as part of, and beyond, the Nuclear Security Summit process.  相似文献   
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Petrographic analysis and geochemical characterization studies were carried out on vitreous dacite and/or rhyodacite artefacts from Formative period archaeological sites in the upper Salado River Basin in the Atacama Desert, northern Chile. These were compared with samples taken from two source areas located within the subregion, named Linzor and Paniri. Source samples and archaeological specimens were analysed by inductively coupled plasma – mass spectrometry (ICP–MS) combined with optical emission plasma – mass spectrometry (ICP–OES) and atomic absorption spectroscopy (AAS). Results from the limited number of samples analysed indicate that the Linzor source seems to have been the primary source exploited during the Early and Late Formative periods in the Salado River Basin.  相似文献   
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ABSTRACT. This paper traces the evolution of Plaid Cymru's attitude towards Europe. It does so by focusing in turn on: the place of Europe in the ideas of Saunders Lewis, the dominant figure in the party between its foundation in 1924/25 and 1945; the more ‘northern’ or Nordic vision of Europe that gripped the party in the post ‐ World War II era; and the waxing and waning of the party's most EU‐enthusiastic phase between the mid ‐ 1980s and the present day. By adopting a longer timeframe than is normally the case, the paper argues that Europe has played a wider role in the thinking of the party than is often conceded; a role that was not at all or only tangentially related to actually existing institutions. The paper goes on to argue that it was in part the chastening impact of Plaid Cymru's eventual exposure to actually existing European institutions that led the party in 2003 to abandon its utopian commitment to a post‐sovereign Europe in favour of an explicit commitment to ‘independence’ as its long‐term aim.  相似文献   
8.
Terrorist attacks on the United States, Spain and the United Kingdom have underlined the differing responses of Europe and the United States to the 'new terrorism'. This article analyses these responses through the prism of historically determined strategic cultures. For the last four years the United States has directed the full resources of a 'national security' approach towards this threat and has emphasized unilateralism. Europe, based on its own past experience of terrorism, has adopted a regulatory approach pursued through multilateralism. These divergences in transatlantic approaches, with potentially major implications for the future of the relationship, have appeared to be mitigated by a revised American strategy of counterterrorism that has emerged during 2005. However, this article contends that while strategic doctrines may change, the more immutable nature of strategic culture will make convergence difficult. This problem will be compounded by the fact that neither Europe nor America have yet addressed the deeper connections between terrorism and the process of globalization.  相似文献   
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