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   22027篇
  免费   864篇
  国内免费   12篇
  2019年   260篇
  2018年   374篇
  2017年   398篇
  2016年   426篇
  2015年   322篇
  2014年   359篇
  2013年   1770篇
  2012年   638篇
  2011年   652篇
  2010年   399篇
  2009年   370篇
  2008年   499篇
  2007年   551篇
  2006年   476篇
  2005年   446篇
  2004年   417篇
  2003年   409篇
  2002年   440篇
  2001年   745篇
  2000年   713篇
  1999年   539篇
  1998年   218篇
  1996年   223篇
  1995年   201篇
  1992年   450篇
  1991年   444篇
  1990年   428篇
  1989年   400篇
  1988年   418篇
  1987年   378篇
  1986年   389篇
  1985年   387篇
  1984年   306篇
  1983年   276篇
  1982年   205篇
  1981年   207篇
  1979年   351篇
  1978年   257篇
  1977年   213篇
  1976年   199篇
  1975年   280篇
  1974年   357篇
  1973年   370篇
  1972年   292篇
  1971年   283篇
  1970年   284篇
  1969年   252篇
  1968年   349篇
  1967年   308篇
  1966年   287篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
21.
22.
23.
24.
A time-sharing paradigm was used to study potential interference effects of concurrent successive-auditory/vocal, successive-visual/motor, simultaneous-auditory/vocal, and simultaneous-visual/motor tasks on right- and left-handed manual-motor behaviors of differential levels of difficulty. Participants were selected from each of three developmental levels from 9 through 20 years of age. Results suggested that processing style (i.e., successive or simultaneous) interacts with modality (i.e., auditory/vocal or visual/motor) in terms of lateralized interference effects; however, potential effects due to age level were obfuscated by differential concurrent-task difficulties.  相似文献   
25.
26.
Pregnancy reflects a common experience for women in today's workforce, yet recent data suggest that some women scale back or leave the workforce following childbirth. Considering these effects on women's careers, researchers have sought to understand the underlying dynamics of these decisions. Here, we explore a paradoxical reason for weakened postpartum career attitudes: help that women receive during pregnancy. We integrate stereotype threat and benevolent sexism theories to explain how the effects of help on postpartum intentions to quit may be transmitted through reductions in work self-efficacy. In doing so, we consider the role of perceived impact—or the extent to which help interferes with versus enables women's perceived ability to continue performing their work role. Results of a weekly diary study of 105 pregnant employees suggest that work-interfering help led to decreased self-efficacy for work during the following week. Furthermore, there was an indirect effect of average help received at work during pregnancy on postpartum intentions to quit the workforce through reductions in work self-efficacy that was stronger insofar as help was work-interfering versus work-enabling. Taken together, our results highlight unintended negative consequences that occur when others provide ineffective support to women at work during pregnancy.  相似文献   
27.
28.
This study examined information communication technologies and workplace friendship dynamics. Employees reported factors that influenced their initiation of friendship with a coworker and reported patterns and perceptions of communication with their workplace friend via different communication methods. Results indicated that personality, shared tasks, and perceived similarity are the most important factors to coworker friendship initiation, and the importance of physical proximity to workplace friendship is diminishing in the electronically connected workplace. Results confirm the primacy of face‐to‐face interaction for workplace friendship initiation and maintenance. E‐mail, phone, and texting were also central to communication among workplace friends. The amount of time spent telecommuting affected workplace friendship initiation and communication. Finally, generational differences were identified with respect to Internet‐based communication methods.  相似文献   
29.
30.
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