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   23828篇
  免费   412篇
  国内免费   15篇
教育   17041篇
科学研究   2070篇
各国文化   239篇
体育   1988篇
综合类   14篇
文化理论   199篇
信息传播   2704篇
  2022年   178篇
  2021年   267篇
  2020年   395篇
  2019年   617篇
  2018年   846篇
  2017年   820篇
  2016年   724篇
  2015年   441篇
  2014年   686篇
  2013年   4671篇
  2012年   659篇
  2011年   673篇
  2010年   489篇
  2009年   500篇
  2008年   559篇
  2007年   504篇
  2006年   447篇
  2005年   431篇
  2004年   387篇
  2003年   378篇
  2002年   359篇
  2001年   483篇
  2000年   413篇
  1999年   363篇
  1998年   212篇
  1997年   219篇
  1996年   251篇
  1995年   246篇
  1994年   193篇
  1993年   218篇
  1992年   335篇
  1991年   319篇
  1990年   311篇
  1989年   312篇
  1988年   267篇
  1987年   309篇
  1986年   278篇
  1985年   313篇
  1984年   249篇
  1983年   222篇
  1982年   202篇
  1981年   176篇
  1980年   161篇
  1979年   270篇
  1978年   191篇
  1977年   171篇
  1976年   162篇
  1975年   144篇
  1974年   151篇
  1971年   148篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
51.
This study was designed to examine children's attitudes toward the role of sports in determining social status, as well as the activities in which children prefer to participate. A total of 227 boys and 251 girls in Grades 4, 5, and 6 completed a questionnaire to determine which criteria were most important in determining personal, female, and male popularity. Personal popularity was answered by the girls and boys according to "what would make you well liked by your classmates." Female and male popularity was determined by asking both girls and boys to decide "what would make (girls, for female subjects, and boys, for male subjects) well liked by your classmates." A comparison of results from the Buchanan, Blankenbaker, and Cotten (1976) investigation and the present study indicated that, in the last 15 years, appearance has become more important and academic achievement less important in determining personal popularity for girls. For boys, the comparison revealed that sports have become more important and academic achievement less important in determining personal popularity. Boys reported sports to be the most important determinant of personal and male popularity and appearance as the most important determinant of female popularity. Sports and appearance became more important for boys with each higher grade level. Girls reported appearance to be the most important determinant of personal, male, and female popularity. For girls, appearance became more important with each higher grade level. A comparison of results from the Buchanan et al. (1976) and the present study indicated that the activities in which girls and boys preferred to participate have changed.(ABSTRACT TRUNCATED AT 250 WORDS)  相似文献   
52.
53.
"The U.S. Bureau of the Census created the State Data Center program in 1978 to improve public access to census information. This article discusses the background, structure, and services of that program; the role of libraries in the program; and future directions in State Data Center/library relationships. The appendix lists contact person names, as well as addresses and telephone numbers for State Data Center lead agencies."  相似文献   
54.
55.
56.
57.
58.
"Change" is a critical dimension of contemporary experience. Library associations are not exempt, and they change in ways similar to other organizations. According to some authorities, four phases typify the process: diagnosis, design, implementation, and incorporation. Focusing on changes in the Medical Library Association's longstanding program of continuing education, the authors utilize the "phase framework" to chart that association's movement from a management system depending primarily upon volunteers to one in which professional staff figure prominently. The historical review serves a heuristic purpose for individuals and institutions in identifying characteristic features of the change process.  相似文献   
59.
60.
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