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   18367篇
  免费   294篇
  国内免费   54篇
教育   13724篇
科学研究   1184篇
各国文化   212篇
体育   1262篇
综合类   44篇
文化理论   84篇
信息传播   2205篇
  2022年   112篇
  2021年   208篇
  2020年   291篇
  2019年   447篇
  2018年   603篇
  2017年   673篇
  2016年   597篇
  2015年   388篇
  2014年   546篇
  2013年   3732篇
  2012年   510篇
  2011年   529篇
  2010年   456篇
  2009年   449篇
  2008年   469篇
  2007年   432篇
  2006年   445篇
  2005年   379篇
  2004年   278篇
  2003年   280篇
  2002年   256篇
  2001年   377篇
  2000年   305篇
  1999年   264篇
  1998年   170篇
  1997年   168篇
  1996年   183篇
  1995年   152篇
  1994年   163篇
  1993年   142篇
  1992年   218篇
  1991年   214篇
  1990年   237篇
  1989年   218篇
  1988年   173篇
  1987年   184篇
  1986年   187篇
  1985年   179篇
  1984年   183篇
  1983年   168篇
  1982年   136篇
  1981年   138篇
  1980年   135篇
  1979年   191篇
  1978年   162篇
  1977年   113篇
  1976年   119篇
  1975年   112篇
  1973年   105篇
  1971年   116篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
<正>确分析和评价专业镇竞争力,客观认识和了解专业镇发展现状及竞争优势,对专业镇的政策制定及转型发展具有重要现实意义。从专业镇竞争力的内涵及评价内容入手,从城镇竞争力、产业竞争力、企业竞争力、自主创新能力和环境竞争力五个方面构建出一套相对完整的专业镇竞争力评价指标体系以及与之相应的评价模型,为客观、全面、定量地评价和衡量专业镇竞争力提供理论支撑和实践依据。  相似文献   
992.
Prediction markets designed to predict terrorism through traders’ investments on the likelihood of specific terrorist attacks are, strictly speaking, enabling those traders to bet on terrorism. Betting on terrorist attacks, like some other forms of betting on death, has been accused of being repugnant. In this paper, it is argued that while government-backed effective intelligence-gathering prediction markets on terrorism (PMsoT) might elicit feelings of repugnance, those feelings are likely to be misguided. The feelings of repugnance arise because PMsoT are assumed to be associated with terrorism in encouraging and endorsing ways and with human death in a disrespectful way. However, it is argued that these feelings of repugnance are misguided in the case of government-backed effective intelligence-gathering PMsoT because the purpose and effect of such prediction markets, and (on balance) the trading they encourage, is to prevent and renounce terrorism and show respect for matters of life and death.  相似文献   
993.
黄敏  吕娇 《情报探索》2022,(1):115-119
[目的/意义]旨在提高我国公共图书馆文化服务效率,为公共图书馆文化服务发展提供参考。[方法/过程]以我国31个省份公共图书馆为数据,运用DEA-BCC模型和K-means聚类分析我国各区域文化服务的效率及差异。[结果/结论]我国公共图书馆文化服务效率整体较低,呈非均衡性,存在不同程度投入冗余和产出不足,最后针对我国公共图书馆文化服务提出相应的改进建议。  相似文献   
994.
This discussion focuses on how the rise of America's national sporting pastimes, during the period 1880–1920, was inextricably tied to the ambitions and outpourings of American print capitalism and a concomitant congealing of a sense of modern American nationhood. In examining this thematic, we explicate the manner in which American national sporting audiences during the period 1880–1920 were variously constituted through discourses of national and ethnic sporting difference or Otherness. Hence, we examine the popular representation of turn of the century rodeo practices (as narrated through the spectacle of the western showman William Frederick ‘Buffalo Bill’ Cody's Wild West show productions), the position of early-twentieth-century American baseball in relation to other sporting cultures (graphically depicted by Albert Goodwill, or A.G., Spalding's promotional publications, specifically the 1911 America's National Game) and the national and ethnic differences discerned within the global sporting landscape more generally (explicated within the 1919 National Geographic article ‘The Geography of Games’). These performances and representations of ethnic and national sporting Otherness played an important role in re-inscribing and legitimating the (White European American) normative core of American sport culture (as manifest within and through the dominant practices of playing and/or spectating of football, baseball and basketball).  相似文献   
995.
996.
997.
998.
999.
1000.
Continuing education programs for health care professionals who practice in geriatrics are an important part of improving the health care provided to older adults. Programs utilizing active forms of learning that mimic the clinical environment are more successful at changing the behavior of health care professionals than traditional didactic styles of teaching. Problem-based learning methods allow learners to identify their own areas of strength and weakness and to work toward improvement in a manner best suited to their needs. This article describes an interdisciplinary team of educator-clinicians in geriatrics who developed clinical case studies embodying these approaches as one method of improving the learning process for adult health care providers. An actual sample case study is presented as an illustration of the principles embodied in this process. Lessons learned from the development and use of these case studies are summarized in the context of improving the quality of continuing education programs for health care professionals in geriatric practice.  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