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   11471篇
  免费   143篇
  国内免费   17篇
教育   7626篇
科学研究   1254篇
各国文化   338篇
体育   1166篇
综合类   6篇
文化理论   100篇
信息传播   1141篇
  2022年   91篇
  2021年   143篇
  2020年   194篇
  2019年   290篇
  2018年   379篇
  2017年   376篇
  2016年   358篇
  2015年   224篇
  2014年   275篇
  2013年   1963篇
  2012年   296篇
  2011年   279篇
  2010年   269篇
  2009年   245篇
  2008年   307篇
  2007年   276篇
  2006年   263篇
  2005年   248篇
  2004年   237篇
  2003年   169篇
  2002年   159篇
  2001年   195篇
  2000年   207篇
  1999年   182篇
  1998年   111篇
  1997年   103篇
  1996年   86篇
  1995年   77篇
  1994年   83篇
  1993年   94篇
  1992年   151篇
  1991年   150篇
  1990年   155篇
  1989年   164篇
  1988年   121篇
  1987年   117篇
  1986年   122篇
  1985年   160篇
  1984年   132篇
  1983年   109篇
  1982年   96篇
  1981年   81篇
  1980年   87篇
  1979年   139篇
  1978年   87篇
  1977年   85篇
  1976年   76篇
  1975年   73篇
  1974年   93篇
  1973年   75篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
As medical programs place increasing importance on competency-based training and surgical simulations for residents, anatomy laboratories, and body donation programs find themselves in a position of adapting to changing demands. To better assess the demand for “life-like” cadaveric specimens and evaluate the possible impacts that competency-based medical education could have upon the body donation program of McGill University, Canada, the authors tracked, over the course of the last 10 years, the number of soft-embalmed specimens, along with the number of teaching sessions and the residents enrolled in competency-based programs that are using cadaveric material. The results reveal that the number of soft-embalmed specimens used within residency training increased from 5 in 2009 to 35 in 2019, representing an increase from 6% of bodies to 36.5% of the total number of body donors embalmed in this institution. Correspondingly, the number of annual teaching sessions for residents increased from 19 in 2012 to 116 in 2019. These increases in teaching are correlated with increasing number of residents enrolled in competency-based programs over the last 3 years (Pearson r ranging from 0.9705 to 0.9903, and R2 ranging from 0.9418 to 0.9808). Those results suggest that the new skill-centered curricula which require residents to perform specific tasks within realistic settings, exhibit a growing demand for “life-like” cadaveric specimens. Institutions’ body donation programs must, therefore, adapt to those greater need for cadaveric specimens, which presents many challenges, ranging from the logistical to the ethical.  相似文献   
2.
Editorial     
B. Sury 《Resonance》2018,23(7):723-725
  相似文献   
3.
ABSTRACT

This article offers a textual analysis and semiotic reading of the Rich Kids of Tehran's (RKOT’s) Instagram page. Contributing to scholarship on Iranian youth media practices, this article interrogates how the RKOT navigate urban and rural space to engage in everyday processes of resistance against global and local systemic oppression. Grounding their visual representations on Instagram in historical and cultural context, the author questions how and when quotidian actions are transformed into political transgressions when posted on social media. This article emphasizes the RKOT's agency in shaping their brand by analyzing representations of gender performance, intertextuality, and national identity on Instagram.  相似文献   
4.
The Bologna Declaration will lead to fundamental changes of the architecture of European higher education. The paper analyses possible consequences for Engineering Education and describes some of the different ways in which European countries have implemented the Declaration. How the application-oriented shorter engineering education should fit into the Bologna scheme remains a major problem.  相似文献   
5.
In the IR field it is clear that the value of a system depends on the cost and benefit profiles of its users. It would seem obvious that different users would prefer different systems. In the TREC-9 filtering track, systems are evaluated by a utility measure specifying a given cost and benefit. However, in the study of decision systems it is known that, in some cases, one system may be unconditionally better than another. In this paper we employ a decision theoretic approach to find conditions under which an Information Filtering (IF) system is unconditionally superior to another for all users regardless of their cost and benefit profiles.It is well known that if two IF systems have equal precision the system with better recall will be preferred by all users. Similarly, with equal recall, better precision is universally preferred. We confirm these known results and discover an unexpected dominance relation in which a system with lower recall will be universally preferred provided its precision is sufficiently higher.  相似文献   
6.
7.
8.
9.
10.
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