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排序方式: 共有1031条查询结果,搜索用时 15 毫秒
81.
From AD 1274 Chinese emperor Kublai Khan dispatched fleets of ships in a series of attempts to expand the empire's hegemony and extend his rule into East Asia (Japan) and Southeast Asia (Vietnam, Champa and Java). Archaeological remains associated with the fleets and battles have been found at Takashima Island, Japan and on the B?ch Ð?ng River, Vietnam. This paper develops a thematic approach to these sites within a framework of naval battlefield archaeology. It compares the similarities and differences in environmental conditions and archaeological contexts of the two sites in Japan and Vietnam. It also outlines recent archaeological research conducted between 2008 and 2010 on the physical remains at the B?ch Ð?ng River battlefield site.  相似文献   
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The dynamic interaction of pile foundations, embedded in a horizontally stratified soil profile, with superstructures under low to moderate earthquake excitation can be handled in different ways. In this article, the soil-pile-superstructure dynamic interaction problem has been investigated using the coupled finite element-boundary element method. Comparison with shaking table experiments of a small scale model pile shows a good correlation with the proposed method in terms of the kinematic response of pile foundations and the structural response. A parametric study of the proposed model has yielded important results essentially concerning the amplification factors of the pile foundation and the superstructure.  相似文献   
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The European Union has adopted in its official publications a number of ethical values which can be identified and made explicit: they are values which concern the material content of policies and values of human rights. Although the relationship between those values and practice is not always direct, it can legitimately be expected that the values influence the content of the EU's spatial policy. With the extension of the EU policy to include territorial cohesion, the core values have been given an explicitly spatial dimension. Nor can the member states ignore those values, because formal legislation of the EU works through into the practice of those states: that increases the significance of EU values for the spatial planning of the member states. For those reasons, planners should know what those values are and how they can influence spatial planning.  相似文献   
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This paper explores the usefulness of employing the concept of social capital within a research project investigating the best ways of meeting the health and well‐being needs of young people living in rural Wales. The first part of the paper provides an overview of some of the current research exploring the relationship between social capital, health and young people. The second part provides an overview of findings from an action research project to illustrate how social capital is conceived and applied in this context. It concludes by stating that children and young people do actively generate, draw upon and negotiate their own social capital, and that this is an under‐utilised resource in terms of promoting health and well‐being.  相似文献   
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Collaborative Watershed Management: A View from the Grassroots   总被引:1,自引:0,他引:1  
To date, research on collaborative watershed management has paid scant attention to the role of grassroots stakeholders, who are the people that actually use natural resources. This article argues cooperation from grassroots stakeholders is necessary for the success of collaborative management, and outlines three theoretical perspectives to explain cooperation. The validity of these theoretical perspectives is tested using a survey of farmer participation in the Suwannee River Partnership in Florida. The findings suggest farmers' perceptions of policy effectiveness are largely driven by economic considerations, whereas participation in collaborative management is linked to social capital.  相似文献   
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