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   1347篇
  免费   24篇
  国内免费   2篇
教育   935篇
科学研究   114篇
各国文化   23篇
体育   123篇
综合类   4篇
文化理论   21篇
信息传播   153篇
  2022年   7篇
  2021年   17篇
  2020年   30篇
  2019年   30篇
  2018年   53篇
  2017年   63篇
  2016年   55篇
  2015年   35篇
  2014年   39篇
  2013年   292篇
  2012年   41篇
  2011年   32篇
  2010年   29篇
  2009年   36篇
  2008年   43篇
  2007年   53篇
  2006年   33篇
  2005年   31篇
  2004年   31篇
  2003年   34篇
  2002年   28篇
  2001年   24篇
  2000年   18篇
  1999年   11篇
  1998年   10篇
  1997年   8篇
  1996年   19篇
  1995年   14篇
  1994年   12篇
  1993年   16篇
  1992年   24篇
  1991年   20篇
  1990年   18篇
  1989年   12篇
  1988年   11篇
  1987年   12篇
  1986年   9篇
  1985年   15篇
  1984年   6篇
  1983年   9篇
  1982年   14篇
  1981年   10篇
  1980年   9篇
  1979年   10篇
  1978年   8篇
  1977年   14篇
  1976年   7篇
  1975年   10篇
  1974年   4篇
  1973年   2篇
排序方式: 共有1373条查询结果,搜索用时 234 毫秒
71.
This study examined data from over 300 U.S. schools on their efforts to develop high quality programs of school, family, and community partnerships. Analyses show that elementary schools, schools with greater support from parents, teachers, and the community; and schools that evaluated progress reported higher quality partnership programs over time. Higher quality programs were associated with wider implementation of parent-child interactive homework, higher levels of parent volunteering, and more parents on school decision-making committees. Results identify factors that could help schools develop quality partnership programs and suggest that these programs translate into higher levels of family involvement in students’ learning.  相似文献   
72.
73.
Braiding is not currently used in the production of golf shafts. The objective of this work was to develop, through a modelling process consisting of altering lamina sequence, a golf shaft, using braided laminas, which would have mass, stiffness and torque comparable to commercially available composite and steel shafts. A 2D conical braided composite model was previously developed and validated to predict elastic constants of braided closed meshed structures. Energy methods were used to calculate the stiffness and torque of shafts using prescribed industry approaches. Shaft mass was calculated based on geometry and density of constitutent materials. Modelled shafts had both braided and unidirectional layers and compared favourably with or were better than commercially available composite and steel shafts in terms of deflection force and twist angle; they had the same weight as composite shafts but were much lighter than steel shafts. If these findings are verified, braided composites would be a viable and effective approach to the design of future golf shafts.  相似文献   
74.
Steven 《阅读》2007,(6):38-39
同学们,本期开始,"YY英语救助站"将热忱地为大家提供优质有效的服务!欢迎大家给我们"输送病号"(来信来稿)。我们将尽量解决你们在英语学习中遇到的"疑难杂症"!嘿嘿,YY两字要发字母Y的音,不要念错喽!至于为什么起这个名字,一方面,它同why(为什么)是谐音,另一方面,它们也是"语言"两字的拼音首字母。两者同时表示这是一个专门为语言学习排忧解难的场所哦!  相似文献   
75.
76.
This paper provides insights into teacher and school-based administrators’ responses to policy demands for improved outcomes on high-stakes, standardised literacy and numeracy tests in Australia. Specifically, the research reveals the effects of the National Assessment Program – Literacy and Numeracy (NAPLAN), and associated policies, in the state of Queensland. Drawing suggestively across Michel Foucault’s notions of disciplinary power and subjectivity, and Pierre Bourdieu’s concept of social fields, the research utilises interviews with teachers and school-based administrators to reveal how high-stakes, standardised testing practices served to discursively constitute performative teacher subjectivities around issues of funding, teacher and school reputation and target-setting within what is described as the ‘field of schooling practices’. The paper argues that the contestation evident within this field is also reflective and constitutive of more educative schooling discourses and practices, even as performative logics dominate.  相似文献   
77.
78.
79.
We conducted surveys of adults participating in municipally sponsored volunteer events in the Portland, OR metropolitan area in order to understand the range of attitudes and behaviors associated with volunteer work. We sampled 172 individuals in 18 events from February to June 2012. Principal components and factor analyses of survey responses identified three groups based on annual frequency of participation in stewardship events: first-time volunteers, mid-level volunteers (3–10 events per year), and frequent volunteers (>10 events per year). Our analyses revealed three main factors that explained the variation in survey response for the three volunteer groups: environmental identity, private pro-environmental behavior, and civic engagement. All three factors were positively correlated with frequency of participation in stewardship events, with the most frequent volunteers indicating the highest degree of attention to environmental issues, environmental identity, and self-reported pro-environmental behaviors. Frequent volunteers were more likely to feel personally attached to their local environment, believe that their efforts help solve environmental problems, and enjoy being part of community efforts. These results suggest that stewardship activities provide opportunities for volunteers to interact with others while working collectively toward restoring and maintaining parks, which may contribute to more resilient communities.  相似文献   
80.
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