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   2355篇
  免费   147篇
  2024年   9篇
  2023年   62篇
  2022年   25篇
  2021年   35篇
  2020年   101篇
  2019年   130篇
  2018年   161篇
  2017年   157篇
  2016年   131篇
  2015年   85篇
  2014年   109篇
  2013年   391篇
  2012年   151篇
  2011年   120篇
  2010年   104篇
  2009年   111篇
  2008年   106篇
  2007年   101篇
  2006年   84篇
  2005年   47篇
  2004年   35篇
  2003年   39篇
  2002年   39篇
  2001年   27篇
  2000年   30篇
  1999年   12篇
  1998年   8篇
  1997年   8篇
  1996年   9篇
  1995年   5篇
  1994年   4篇
  1993年   8篇
  1992年   3篇
  1991年   1篇
  1990年   1篇
  1989年   1篇
  1988年   1篇
  1987年   1篇
  1985年   7篇
  1984年   6篇
  1983年   8篇
  1982年   7篇
  1981年   5篇
  1980年   5篇
  1979年   9篇
  1978年   3篇
排序方式: 共有2502条查询结果,搜索用时 15 毫秒
81.
Indigenous women continue to experience a disproportionately higher burden of cervical cancer than non‐Indigenous women in Australia. The National Indigenous Cervical Screening Project used probabilistic record linkage to combine population‐based administrative databases and identify Indigenous women on Pap Smear Registers. This study aimed to quantify the spatial variation by local government areas (LGAs) for Indigenous and non‐Indigenous women in Queensland in cervical screening participation rates and related outcomes. Empirical Bayes local geostatistical smoothing was performed to reduce the likelihood of spurious variation between small areas. The cohort included 1,091,260 women (2 per cent Indigenous) aged 20 to 69 with 2,393,708 Pap smears between 2006 and 2011. Indigenous women had smoothed LGA‐specific 5‐year participation rates (interquartile range (IQR) 38.9–53.3 per 100 eligible women) consistently lower than non‐Indigenous women (IQR 80.7–85.3). The non‐overlapping confidence intervals of these rates suggest that the Indigenous differential was significant. Compared with Indigenous women, non‐Indigenous women had consistently lower and more stable prevalence rates of histologically confirmed high grade abnormalities (IQR 8.0–10.1 versus 15.0–21.3 per 1,000 screened women). Although the LGA‐specific rates also suggest that a higher proportion of non‐Indigenous women were followed‐up within two months of an abnormal screening result, the wide confidence intervals for these estimates limit our ability to draw definitive conclusions about spatial patterns for this outcome. These findings highlight the importance of continued monitoring and ongoing efforts to identify drivers of these patterns and develop effective strategies to improve participation and potentially reduce the cervical cancer burden among Indigenous women.  相似文献   
82.
玉门花海毕家滩出土的《晋律注》是裱糊在棺板外侧的纸本文书,因埋藏环境复杂及年代久远等各种原因,文物整体保存状况极为不佳。棺板存在残缺、断裂等多种病害,而外侧的纸本文书降解更为严重,已达到触之即粉的状态。为了使文物的完整性得以体现及能够得达到展陈的基本要求,在对棺板木材进行种属鉴定及特征分析的基础上,在文物保护基本原则与理念的指导下,对棺板进行了病害调查、清洗、粘接及加固,对外侧文书进行了内容识读、原料种类鉴定。经过保护处理使得棺板的整体性得到了体现,达到了展陈的基本要求。原料分析结果显示外侧的纸本文书为皮浆纤维,因此该文书是目前为止出土为数不多的魏晋时期以皮浆为原料的纸质实物,这对甘肃河西地区造纸原料发展的研究提供了珍贵的资料。  相似文献   
83.
This article critically examines the predominant narratives which emanated from party political discourse in relation to the 2014 Scottish independence referendum. Utilising a methodological approach centring on political discourse analysis (Fairclough and Fairclough 2012), this paper analyses party manifestos and constitutional policy documents produced by the three largest political parties represented in the Scottish Parliament, namely, the pro‐independence Scottish National Party, and two pro‐union parties, Scottish Labour and the Scottish Conservative and Unionist Party. The emergent discourse of each party is interrogated by drawing upon pertinent theoretical concepts from previous academic analyses of Scottish nationalism, with particular attention given to those which have deployed modernist and ethnosymbolist theoretical approaches when analysing the Scottish context. This facilitates a critical reflection on the contrasting and nuanced narratives of the Scottish nation's past and future espoused by each political party vis‐à‐vis modernist and ethnosymbolist theory, illustrating the ways in which contrasting theorisations of nationalism are empirically tangible within political discourse and are thus not simply theoretical abstractions.  相似文献   
84.
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   
85.
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   
86.
In the late 1980s, a collaborative effort between Harvard University’s Lower Mississippi Survey and Tulane University’s Center for Archaeology launched a study examining the causes and consequences of subsistence change in the Lower Mississippi Valley. The Osceola Project contributed the first formal study of late prehistoric faunal remains within the Alluvial Plain, becoming the standard against which all subsequent Coles Creek faunal assemblages have been measured. Recent evidence recovered from three sites located in the Eastern Uplands presented the opportunity to compare and contrast vertebrate subsistence in these two distinct physiographic regions. We hypothesize that a clear distinction exists between lowland and upland Coles Creek procurement strategies. This article evaluates this claim by examining species diversity, spatial patterns, and temporal trends evident within an eight-site sample. The results suggest that the primary factor influencing Coles Creek fauna procurement was the immediate environment, and that the composition of Late Woodland period diets may be a reflection of efficiency of effort rather than food access or scarcity.  相似文献   
87.
The paper investigates the patterns of technology and knowledge of the regions. The first aim of the paper is to determine cluster templates at the national level. The second aim of the paper is to investigate the technology and knowledge composition of the regional highpoint clusters. The paper identifies patterns of industrial linkages to define cluster templates and regional highpoints. The second part uncovers regional distributions of technology and knowledge. The data comes from Turkey’s 2012 input–output table. The location quotients use industrial employment statistics from the Turkish Statistical Institute. The technological and knowledge intensity classification follows Eurostat. The findings reveal 10 cluster templates in Turkey. Spatial distribution of the highpoint clusters reveals that most regions contain highpoint clusters with low technology and low knowledge-intensive sectors. The results reveal that highpoint clusters in Turkey’s regions contain industries whose technologies do not demand high skills, knowledge and sophistication. Limited existence of high-tech industries and low knowledge intensity in Turkey’s industry composition is a limiting factor for transition to high value-added manufacturing. Special emphasis should be directed towards constructing regional advantage, given the current levels of technology and knowledge intensity.  相似文献   
88.
During the past few decades, there has been growing attention paid towards evolutionary economic geography (EEG) perspectives, methodologies, and concepts in various disciplines such as geography, urban studies, and regional science. In order to better understand the development of EEG studies, this paper employs multiple bibliometric analyses. Specifically, it examines the temporal evolution of keyword co-occurrence network and the reference co-citation network of EEG publications during the last few decades to reveal the temporal evolution and spatial distribution of EEG publications, scholarly communication, research fronts, and intellectual structure of the scientific field.  相似文献   
89.
Professor Ho’s team has raised three questions about our paper entitled ‘On evolutionary economic geography: a literature review using bibliometric analysis’ published in European Panning Studies. The first one is about the number of articles in our search results. The second one is about the databases we have used in the Web of Science system. In the last comment, Professor Ho suggests a new searching strategy – ‘front page’ rule. We have responded to those three comments one by one in this rejoinder.  相似文献   
90.
In this article, we examine the perceptions towards women and gender relations maintained by male, local authority officials within two Bedouin towns in Israel. As such, the current research lies at the intersection of local politics, gender, space and culture. We argue that analysis of these perspectives provides insights into the ambivalent nature of modernity: into the tension between the desire to preserve the traditional role of women in maintaining the family, and the recognition of the powerful potential of women to act as agents of change. Based on an analysis of personal interviews, the study traces the ways in which both power and vulnerability impact the attitudes and perspectives of these men officials. By applying narrative analysis, gendered power structures are examined within Bedouin society in the context of the local authority – zooming in on the narratives provided by the male authority officials. The findings reveal that the officials maintain a series of ambivalent and conflictual attitudes towards the role of women. Bearing in mind their potential impact on the quality of women's daily lives in local public spaces, it seems vitally important to account for the entire matrix of tensions and vulnerabilities that impact the municipal policy instruments at their disposal. The findings are relevant beyond the Bedouin communities in Israel and may serve as a platform for a wider discussion of the dilemmas of minority women in rapidly changing cultural environments, and ambivalent modernity.  相似文献   
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