首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   670篇
  免费   27篇
  2023年   5篇
  2022年   3篇
  2020年   10篇
  2019年   22篇
  2018年   27篇
  2017年   32篇
  2016年   29篇
  2015年   20篇
  2014年   23篇
  2013年   177篇
  2012年   23篇
  2011年   13篇
  2010年   31篇
  2009年   29篇
  2008年   27篇
  2007年   16篇
  2006年   12篇
  2005年   8篇
  2004年   8篇
  2003年   13篇
  2002年   15篇
  2001年   14篇
  2000年   11篇
  1999年   10篇
  1998年   14篇
  1997年   4篇
  1996年   6篇
  1995年   5篇
  1994年   4篇
  1993年   4篇
  1992年   2篇
  1991年   5篇
  1990年   3篇
  1989年   3篇
  1988年   3篇
  1987年   5篇
  1985年   3篇
  1984年   8篇
  1983年   3篇
  1982年   10篇
  1981年   3篇
  1980年   3篇
  1979年   3篇
  1978年   3篇
  1977年   3篇
  1976年   6篇
  1974年   4篇
  1973年   2篇
  1972年   2篇
  1971年   2篇
排序方式: 共有697条查询结果,搜索用时 15 毫秒
11.
12.
13.
A brief account of the range of pathological disorders affecting the skeleton and certain other tissues of animals (mainly mammals) is given to indicate a broad picture of the sort of lesions which might be encountered in archaeological contexts.Though palaeopathological bone specimens have been described since the 18th century, it is only recently that an interest in archaeozoological material has encouraged the tentative interpretation of such specimens. Despite the pessimism of some workers in the field, it has been shown that this material does persist in archaeological samples, and that while diagnosis is not always clear cut, some of the spectrum of bone changes induced by disease processes has been documented.As early as 4000 years ago an awareness of some of these diseases was recorded, with several early societies adopting preventive and therapeutic measures to deal with them. As advanced human communities came into more intimate contact with animals, transmission of infectious diseases was facilitated. Husbandry practices, too, are seen to be directly related to the incidence of certain conditions, the occurrence of which in archaeological material can yield an insight into animal keeping.Diverse data of archaeological significance is, in fact, retrievable not only from osteological remains, but from organic material which may be preserved under certain conditions. The impact of animal disease is far-reaching, with important implications not only for the economy but also for human health.  相似文献   
14.
15.
16.
ABSTRACT

Along Florida’s nearly 13,000 km of shoreline, nearly 4000 archaeological sites and over 600 recorded historic cemeteries are at risk from climate change impacts including coastal erosion and a 2-metre rise in sea level. In 2016, the Florida Public Archaeology Network (FPAN) created the Heritage Monitoring Scouts (HMS Florida) programme to engage the public in monitoring sites at risk. The programme grew quickly during the first year of operation to include 233 volunteers who submitted 312 monitoring forms. The programme exists beyond the singular act of a volunteer reporting site conditions; across Florida, varied combinations of local partnerships present unique opportunities for programmes, for example, the pilot program at the Guana Tolomato Matanzas National Estuarine Research Reserve. Preliminary outcomes from the first year of HMS Florida and the pilot indicate the programme is effective in public engagement and a powerful management tool for tracking change to sites over time.  相似文献   
17.
Abstract

This New Zealand case study presents insights from the perspectives of Māori and non-Māori museum stakeholders. It aimed to understand which activities and responsibilities mattered to stakeholders, in order to develop more meaningful accountability for their shared heritage. Using a participatory mixed method, the research explored how museum stakeholders assess their museum’s performance. Māori and non-Māori generated, sorted and rated 'possible performance statements’. A cultural analysis, using proprietary software, produced concept maps which illustrate differently nuanced museum constructs with different relative importance for constituent elements. Pattern-matching revealed divergent priority accorded certain museum activities, but also commonalities. Both cultural groups prioritised factors not generally featured in compliance-driven approaches to accountability reporting. For Māori, greatest importance was placed on care of taonga (‘treasures’), Māori-specific practice and engagement with Māori, while collections and staff were the key assessment factors for non-Māori. Incorporating stakeholder perspectives in a museum performance framework provides opportunities to report performance on dimensions which matter to wider communities. Where shared authority is taken seriously and stakeholders are involved, accountability becomes meaningful. This collaborative approach to performance framework development offers a tool for embedding the realities of shared authority into planning and delivering the museum’s activities and responsibilities.  相似文献   
18.
The US–ROK alliance during the First Korean Nuclear Crisis provides the most likely case of high alliance cohesion. Curiously, however, instead of dancing to the American tune in their joint management of the Democratic People's Republic of Korea (DPRK) threat, the Republic of Korea (ROK) caused frequent policy collisions – supporting the US–DPRK negotiations at one point and opposing it at another – at the risk of jeopardizing its physical security. The main finding here is that the variations in the South Korean behavior were a function of their experience of status inconsistency. In particular, the ROK became compliant with the US–DPRK talks when it believed that its desired status marker of taking the leadership role in crisis management was within reach, and unyielding otherwise. These fluctuations ended up not only eroding the US–ROK alliance cohesion but also inhibiting a successful resolution of the crisis. All this bears directly on the fundamental question of whether international politics is to be understood in essentially realist terms.  相似文献   
19.
Wang, Q., Wang, Y., Qi, Y., Wang, X., Choh, S.J., Lee, D.C. & Lee, D.J., November 2017. Yeongwol and the Carboniferous–Permian boundary in South Korea. Alcheringa 42, 245–258. ISSN 0311-5518

Six conodont and one fusuline zones are recognized on basis of a total of 25 conodont and 13 fusuline species (including seven unidentified species or species given with cf. or aff. in total) from the Bamchi Formation, Yeongwol, Korea. The conodont zones include the Streptognathodus bellus, S. isolatus, S. cristellaris, S. sigmoidalis, S. fusus and S. barskovi zones in ascending order, which can be correlated with the conodont zones spanning the uppermost Gzhelian to Asselian Age of the Permian globally. The fusuline zone is named the Rugosofusulina complicata–Pseudoschwagerina paraborealis zone. The co-occurrence of the conodont Streptognathodus isolatus (the Global Boundary Stratotype Section and Point index for the base of Permian) and Pseudoschwagerina (a Permian inflated fusuline) indicates that the Carboniferous–Permian boundary can be placed in the lower part of the Bamchi Formation in South Korea.

Qiulai Wang* [] CAS Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, East Beijing Road 39, Nanjing 210008, PR China; Yue Wang* [] LPS, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, East Beijing Road 39, Nanjing 210008, PR China; Yuping Qi* [] Xiangdong Wang* [] CAS Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, East Beijing Road 39, Nanjing 210008, PR China; Suk-Joo Choh [] Department of Earth and Environmental Sciences, Korea University, Seoul 02841, Republic of Korea; Dong-Chan Lee [] Department of Earth Sciences Education, Chungbuk National University, Cheongju 28644, Republic of Korea; Dong-Jin Lee [] Department of Earth and Environmental Sciences, Andong National University, Andong 36729, Republic of Korea. *Also affiliated with: University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, PR China.  相似文献   

20.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号