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   9835篇
  免费   126篇
  国内免费   9篇
教育   6878篇
科学研究   1140篇
各国文化   67篇
体育   663篇
综合类   3篇
文化理论   56篇
信息传播   1163篇
  2022年   61篇
  2021年   113篇
  2020年   148篇
  2019年   204篇
  2018年   330篇
  2017年   316篇
  2016年   309篇
  2015年   194篇
  2014年   299篇
  2013年   1693篇
  2012年   240篇
  2011年   281篇
  2010年   229篇
  2009年   207篇
  2008年   266篇
  2007年   221篇
  2006年   203篇
  2005年   185篇
  2004年   204篇
  2003年   151篇
  2002年   164篇
  2001年   215篇
  2000年   221篇
  1999年   201篇
  1998年   108篇
  1997年   142篇
  1996年   141篇
  1995年   94篇
  1994年   122篇
  1993年   96篇
  1992年   185篇
  1991年   143篇
  1990年   137篇
  1989年   160篇
  1988年   136篇
  1987年   106篇
  1986年   121篇
  1985年   117篇
  1984年   90篇
  1983年   102篇
  1982年   70篇
  1981年   80篇
  1980年   74篇
  1979年   115篇
  1978年   75篇
  1977年   79篇
  1976年   61篇
  1975年   53篇
  1974年   63篇
  1973年   57篇
排序方式: 共有9970条查询结果,搜索用时 15 毫秒
1.
Seventy-nine 3-year olds and their mothers participated in a laboratory-based task to assess maternal hostility. Mothers also reported their behavioral regulation of their child. Seven years later, functional magnetic resonance imaging data were acquired while viewing emotional faces and completing a reward processing task. Maternal hostility predicted more negative amygdala connectivity during exposure to sad relative to neutral faces with frontal and parietal regions as well as more negative left ventral striatal connectivity during monetary gain relative to loss feedback with the right posterior orbital frontal cortex and right inferior frontal gyrus. In contrast, maternal regulation predicted enhanced cingulo-frontal connectivity during monetary gain relative to loss feedback. Results suggest parenting is associated with alterations in emotion and reward processing circuitry 7–8 years later.  相似文献   
2.
3.
ABSTRACT

This forum brings together food, (in)security, and communication. The authors participating in this forum center communication as both process and tool for understanding, mitigating, and making meaning of food (in)security. The nine authors together discuss the role of communication in food (in)security, the central challenges for scholars and practitioners working on food (in)security, and the creative possibilities and impacts influencing the future of food (in)security. The forum produces a call for applied scholars to re-imagine communication frameworks in order to make meaningful differences in their communities.  相似文献   
4.
How has the SAT changed in content and format? Why was it changed? How have changes to the mathematics test affected men's and women's performance?  相似文献   
5.
Gordon  R. S.  Franklin  K. L.  Baker  J.  Davies  B. 《Sports Engineering》2004,7(3):131-138
Sports Engineering - A Monark cycle ergometer is a device globally used in physiological studies to measure the work and energy levels of exercising humans. In this paper a rope-braked cycle...  相似文献   
6.
7.
8.
9.
10.
The problem of student indiscipline is an issue of concern for teachers and parents around the world. Teachers need to maintain student discipline and for them to do so it is important that they also understand the nature of discipline problems. This study, by Lawrence Kofi Ametepee, who is studying for a PhD in special education, Morgan Chitiyo, board certified behaviour analyst and Assistant Professor of Special Education, both at Southern Illinois University, Carbondale, USA, and Susan Abu, who is currently a graduate student in the Department of Women's Studies at Texas Women's University, was designed to examine the nature and perceived causes of student indiscipline in Zimbabwean secondary schools. The authors anticipate that such an examination will promote teachers’, parents’ and policy makers’ understanding of student indiscipline, which will, in turn, enhance disciplinary policies and practices, making schools safer for all students and more effective in their role as educational and socialising agents.  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