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G. DE G. SIEVEKING P. BUSH J. FERGUSON P. T. CRADDOCK M. J. HUGHES M. R. COWELL 《Archaeometry》1972,14(2):151-176
This paper is a statistical and geological study of the results of analysis of flint from British and West European flint mines, carried out by emission and atomic absorption spectroscopy. Groups of flint specimens were studied from each geographically separate flint mining area. Flints were analysed for a group of easily measured trace elements shown by previous work to be generally present. The ratios between the trace elements form a consistent pattern for each flint mine and statistically valid differences of pattern can be recognized between different flint mines. A geological investigation shows that the measured trace elements may be derived from clay minerals and explains geographical and statistical variation in the composition of flint in terms of its mode of origin in the chalk. An advanced statistical technique allows individual flint specimens of unknown origin to be attributed by their composition to one or other of the identified flint sources. The archaeological implications of this study are discussed. 相似文献
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ALAN DOBSON 《外交史》2005,29(1):203-207
Klaus Larres , Churchill's Cold War: The Politics of Personal Diplomacy . Yale University Press : New Haven and London , 2002 . 608 pp. $ . 相似文献
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CHRISTOPHER W. HUGHES 《International affairs》2009,85(4):837-856
Japan and China's ability to manage their bilateral relationship is crucial for the stability of the East Asian region. It also has a global impact on the security and economic development of other regions. For just as China's rise has inevitably involved an expansion of its global reach, so Japan's responses to the challenges posed by China have increasingly taken a global form, seeking to incorporate new partners and frameworks outside East Asia. Japan's preferred response to China's regional and global rise in the post‐Cold War period has remained one of default engagement. Japan is intent on promoting China's external engagement with the East Asia region and its internal domestic reform, through upgrading extant bilateral and Japan–China–US trilateral frameworks for dialogue and cooperation, and by emphasizing the importance of economic power to influence China. Japan is deliberately seeking to proliferate regional frameworks for cooperation in East Asia in order to dilute, constrain and ultimately engage China's rising power. However, Japan's engagement strategy also contains the potential to tilt towards default containment. Japan's domestic political basis for engagement is becoming increasingly precarious as China's rise stimulates Japanese revisionism and nationalism. Japan also appears increasingly to be looking to contain China on a global scale by forging new strategic links in Russia and Central Asia, with a ‘concert of democracies’ involving India, Australia and the US, by competing for resources with China in Africa and the Middle East, and by attempting to articulate a values‐based diplomacy to check the so‐called ‘Beijing consensus’. Nevertheless, Japan's perceived inability to channel China's rise either through regional engagement or through global containment carries a further risk of pushing Japan to resort to the strengthening of its military power in an attempt to guarantee its essential national interests. It is in this instance that Japan and China run the danger of a military collision. 相似文献