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   17540篇
  免费   265篇
  国内免费   54篇
教育   13013篇
科学研究   1171篇
各国文化   188篇
体育   1224篇
综合类   44篇
文化理论   81篇
信息传播   2138篇
  2022年   103篇
  2021年   187篇
  2020年   240篇
  2019年   364篇
  2018年   523篇
  2017年   560篇
  2016年   519篇
  2015年   344篇
  2014年   472篇
  2013年   3565篇
  2012年   470篇
  2011年   486篇
  2010年   424篇
  2009年   410篇
  2008年   442篇
  2007年   406篇
  2006年   434篇
  2005年   378篇
  2004年   269篇
  2003年   260篇
  2002年   243篇
  2001年   379篇
  2000年   294篇
  1999年   260篇
  1998年   167篇
  1997年   164篇
  1996年   197篇
  1995年   154篇
  1994年   171篇
  1993年   156篇
  1992年   225篇
  1991年   221篇
  1990年   251篇
  1989年   225篇
  1988年   181篇
  1987年   185篇
  1986年   194篇
  1985年   183篇
  1984年   190篇
  1983年   176篇
  1982年   143篇
  1981年   143篇
  1980年   142篇
  1979年   199篇
  1978年   165篇
  1977年   122篇
  1976年   119篇
  1975年   113篇
  1973年   104篇
  1971年   118篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
81.
As academic libraries' budgets remain flat while their expenditures rise, library leaders must seek out alternative sources of funding. One option is a mandatory student fee dedicated to the library. This article presents the results of a survey of 152 deans and directors of public R1 and R2 research universities that were asked whether their libraries benefit from mandatory student fees. While a library-specific fee is unusual, nearly half of responding libraries are eligible to receive some portion of another mandatory student fee. Study results can serve as evidence for libraries preparing to make a case for the significant, positive impact possible through even a modest library fee.  相似文献   
82.
83.
The current state of the Russian Science Citation Index is analyzed. Several areas for its further development identified by long-standing active users, such as data searching, refinement, and storage; current user alerts; data input with the Science Index license; patent information; and the application programming interface (API) are investigated.  相似文献   
84.
The study explored the role of second-screen use and binge-watching in moderating entertainment education (EE) effects. A pretest/posttest experiment of 273 viewers of East Los High measured the effects of exposure to three subplots, concerning alcohol abuse, abortion, and immigration. The effect of identification with characters on change in attitudes was significantly moderated by second-screen use and binge-watching. In particular, second-screening tended to enhance the positive impact of identification; whereas, among respondents who binge-watched the show, the effects of identification were weaker.  相似文献   
85.
This study extends instructional communication research on extra-class communication (ECC) by presenting an integrative analysis comparing the explanatory utility of student- and instructor-oriented reasons for student engagement in frequent ECC. Results from 495 college students suggested that student-oriented reasons, specifically the relational and functional student motives, were the only significant, positive predictors of students’ perceptions of frequent ECC engagement. Other student motives (excuse making, participation, sycophancy) and perceptions of instructor approachability did not significantly predict perceived frequency of ECC engagement.  相似文献   
86.
Is the reluctance to share bad news (i.e., the MUM effect) motivated more by a public display or private concern, and does it benefit mainly the messenger or the recipient? An experiment (N = 309) that crossed good/bad news with three communication channels (face-to-face, text messaging, e-mail) revealed that messenger reluctance was greatest under conditions of bad news and did not vary based on the channel through which the recipient contacted the messenger. In contrast with earlier work, this MUM effect was more consistent with a private fear of distressing the recipient. Theoretical implications and limitations are discussed.  相似文献   
87.
88.
89.
90.
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