全文获取类型
收费全文 | 739篇 |
免费 | 36篇 |
出版年
2024年 | 3篇 |
2023年 | 9篇 |
2021年 | 2篇 |
2020年 | 14篇 |
2019年 | 29篇 |
2018年 | 20篇 |
2017年 | 43篇 |
2016年 | 41篇 |
2015年 | 25篇 |
2014年 | 35篇 |
2013年 | 219篇 |
2012年 | 31篇 |
2011年 | 27篇 |
2010年 | 22篇 |
2009年 | 25篇 |
2008年 | 20篇 |
2007年 | 15篇 |
2006年 | 15篇 |
2005年 | 14篇 |
2004年 | 13篇 |
2003年 | 19篇 |
2002年 | 12篇 |
2001年 | 11篇 |
2000年 | 6篇 |
1999年 | 8篇 |
1998年 | 8篇 |
1997年 | 4篇 |
1996年 | 2篇 |
1995年 | 4篇 |
1994年 | 4篇 |
1993年 | 6篇 |
1992年 | 5篇 |
1989年 | 3篇 |
1988年 | 4篇 |
1987年 | 5篇 |
1986年 | 3篇 |
1985年 | 4篇 |
1984年 | 5篇 |
1983年 | 7篇 |
1982年 | 5篇 |
1981年 | 5篇 |
1979年 | 3篇 |
1976年 | 2篇 |
1975年 | 3篇 |
1974年 | 2篇 |
1972年 | 2篇 |
1953年 | 1篇 |
1952年 | 1篇 |
1949年 | 1篇 |
1948年 | 1篇 |
排序方式: 共有775条查询结果,搜索用时 15 毫秒
31.
32.
Christopher Prior 《The Journal of imperial and commonwealth history》2019,47(3):568-590
Assessments of early postwar understandings of the power and potential of the Commonwealth have suggested the body either failed to shield the British public from a sense of national decline or that it comforted them that there was no need to worry about decolonisation because the organisation enabled the maintenance of British authority by other means. However, historians and political scientists who provided public comment on the present and future of the body in the late 1940s and 1950s complicate such assessments, wracked as they were by a profound uncertainty over what the Commonwealth could achieve. Their sense of uncertainty was not derived from a pessimistic reading of the tangible events and processes of the period that we might today assume blunted commentators’ faith in Commonwealth cohesion, such as Britain’s relationship with Europe, neutralism, apartheid, or even Suez. Instead, uncertainty over the Commonwealth’s capacity to realise a latent potential supposedly rooted in its members’ willingness to work together was rooted in something more elemental, namely sustained uncertainty regarding the nature of the body’s connections and functions. The body was judged an abstraction, a nascent and unparalleled experiment whose bonds were extensive yet impossible to measure. Its perceived opacity rendered it neither a cause for concern nor a salve to a wounded British morale. 相似文献
33.
Michael Pease Blanca Pérez-Lapeña Christopher Lant 《Journal of Geography in Higher Education》2019,43(1):40-55
This paper describes environmental systems games developed for energy and water resource use designed to be adaptable from high school to undergraduate use. Two of the games are computer simulations with adjustable levels of difficulty that can be done in a computer lab or as a homework assignment. The third is a peer-to-peer roleplayer game designed for an immersive in-class simulation. For the energy and the peer-to-peer water games, we describe (1) the overall strategy or story line adopted, (2) the manner in which the game is played by students in a classroom setting, (3) the use of scientific literature in conceptualizing and parameterizing the game, and (4) possible game extensions. Preliminary data from use at the undergraduate level shows that the games are very well-received by students and, consistent with other research on quasi-experimental simulations, likely enhance learning outcomes. 相似文献
34.
Al‐Khafaji is a central and well‐known point on the early third millennium BC map of the UNESCO World Heritage Site of Bat, in the Sultanate of Oman. For years, Kasr al‐Khafaji (“Tower 1146”) has been understood as an Umm an‐Nar (ca. 2800–2000 BCE) monument standing amid a contemporary village. However, recent excavations by the Bat Archaeological Project (BAP) reveal that the entirety of the known site—monument(s) and settlement—is situated on an anthropogenic clay mound that elevated it meters above the surrounding landscape. This paper presents the results of BAP's recent excavations, emphasising the social spaces created by architecture of various functions and scales. It also considers the implications that this new interpretation of al‐Khafaji may have for how the relationship between Umm an‐Nar towers and settlement should be understood. The paper closes with a discussion of Umm an‐Nar tower function and social meaning, concluding that the Khafaji monument(s) likely served a symbolic and possibly performative role in Umm an‐Nar society that was perceived as separate from Umm an‐Nar settlement. 相似文献
35.
James Roberts Lloyd Weeks Melanie Fillios Charlotte Cable Melissa Carter Yaaqoub Youssef al Aali Mansour Boraik Radwan Hassan Zein 《Arabian Archaeology and Epigraphy》2019,30(2):179-198
Marine resources were an integral and consistent component of subsistence strategies employed in south‐eastern Arabia throughout late prehistory. Of particular interest is the movement of these resources from the coast to interior sites and the implications of this movement for transhumance and trade in the region during this period. Marine species were frequently identified in the faunal assemblage from the inland site of Saruq al‐Hadid, dating from the Bronze Age to Early Iron Age (c.2000–c.800 BCE). This included marine fish species, along with two cormorant species (Phalacrocorax sp.) and several fragments of dugong (Dugong dugon). Twenty‐seven families of marine shell were also identified in the remains recovered from the site. The presence of these remains at this inland site demonstrates that resources were frequently moved from the coast to the interior throughout Saruq al‐Hadid’s occupation, indicative of their enduring significance in subsistence strategies employed at the site. This paper presents the results of zooarchaeological analysis of these remains and discusses the significance of their presence at Saruq al‐Hadid, with reference to subsistence, craft production and intra‐regional exchange during the Bronze and Iron Ages. 相似文献
36.
Eric Plutzer Michael B. Berkman James Honaker Christopher Ojeda Anne Whitesell 《政策研究杂志》2019,47(3):712-734
Welfare policy is multidimensional because of the political compromises, competing goals, and federalist structure underpinning it. This complexity has hindered measurement and, therefore, the comparability of research on race and welfare policy. This paper describes a measurement strategy that is transparent, replicable, and attuned to matching the assumptions of statistical models to the policy process. We demonstrate that this strategy leads to more nuanced conclusions regarding the relationship between minority caseloads and the flexibility of state welfare policies. The strategy and recommendations are adaptable to research agendas that scholars bring to the comparative study of welfare in the U.S. states, countries, or other units—and to other complex policies enacted in federal systems. 相似文献
37.
The average citizen often does not experience government policy directly, but learns about it from the mass media. The nature of media coverage of public policy is thus of real importance, for both public opinion and policy itself. It nevertheless is the case that scholars of public policy and political communication have invested rather little time in developing methods to track public policy coverage in media content. The lack of attention is all the more striking in an era in which media coverage is readily available in digital form. This paper offers a proposal for tracking coverage of the actual direction of policy change in mass media. It begins with some methodological considerations, and then draws on an expository case—defense spending in the United States—to assess the effectiveness of our automated content‐analytic methods. Results speak to the quantity and quality in media coverage of policy issues, and the potential role of mass media—to both inform and mislead—in modern representative democracy. 相似文献
38.
39.
40.