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   7055篇
  免费   84篇
  国内免费   622篇
教育   4044篇
科学研究   994篇
各国文化   15篇
体育   142篇
综合类   150篇
文化理论   11篇
信息传播   2405篇
  2024年   7篇
  2023年   67篇
  2022年   131篇
  2021年   198篇
  2020年   255篇
  2019年   121篇
  2018年   124篇
  2017年   149篇
  2016年   120篇
  2015年   178篇
  2014年   421篇
  2013年   762篇
  2012年   480篇
  2011年   585篇
  2010年   463篇
  2009年   497篇
  2008年   586篇
  2007年   530篇
  2006年   426篇
  2005年   387篇
  2004年   387篇
  2003年   342篇
  2002年   256篇
  2001年   144篇
  2000年   70篇
  1999年   26篇
  1998年   8篇
  1997年   6篇
  1996年   6篇
  1995年   3篇
  1994年   1篇
  1993年   1篇
  1992年   4篇
  1991年   3篇
  1989年   1篇
  1987年   1篇
  1985年   1篇
  1984年   1篇
  1981年   2篇
  1980年   1篇
  1979年   1篇
  1978年   4篇
  1977年   2篇
  1976年   3篇
排序方式: 共有7761条查询结果,搜索用时 437 毫秒
141.
Two studies explored the role of the spontaneous use of spatial note-taking strategies (i.e., creating maps and drawings) and spatial ability in learning from a scientific passage. In Study 1, college students read and took notes by hand on a 10-paragraph scientific passage about the human respiratory system. Students tended to use verbal strategies such as lists (on 48% of the paragraphs), outlines (29%) and running text (15%), but also used spatial strategies such as maps (28%) and drawings (11%). Regression analyses indicated that spatial ability and the use of spatial strategies (maps or drawings) significantly predicted learning outcomes, with spatial strategy use explaining additional variance beyond spatial ability. In Study 2, students read the same scientific passage and took notes either by hand on paper (paper group), by hand on a large whiteboard (whiteboard group), or on a laptop computer (computer group). A similar general pattern as Study 1 was found for the paper group, but this pattern was not found for the computer or whiteboard groups, suggesting that the relationships found in Study 1 might depend on the note-taking medium. Results also indicated that students in the paper and whiteboard groups spontaneously used more spatial strategies, whereas the computer group tended to use verbal strategies (i.e., words only), suggesting that different note-taking contexts encourage different strategies.  相似文献   
142.
The current study compared different learners’ static and dynamic mental images of unseen scientific species and processes in relation to their spatial ability. Learners were classified into verbal, visual and schematic. Dynamic images were classified into: appearing/disappearing, linear-movement, and rotation. Two types of scientific entities and their related processes were investigated: astronomical and microscopic. The sample included 79 female students from Grades 9 and 10. For the purpose of the study, three instruments were used. The Mental Images by Guided Imagery instrument was designed to investigate participants' visualization of static and dynamic mental images. The Water-Level Task was adopted to estimate participants' spatial ability. The Learning Styles Inventory was used to classify participants into verbal, visual and schematic learners. The research findings suggest that schematic learners outperformed verbal and visual learners in their spatial ability. They also outperformed them in their vividness of microscopic images; both micro-static and micro-dynamic images; especially in the case of appearing/disappearing images. The differences were not significant in the case of astronomical images. The results also indicate that appearing/disappearing images received the least vividness scores for all three types of learners.  相似文献   
143.
结合三明人民广播电台音频工作站介绍如何组建城市电台的数字音频自动播控系统  相似文献   
144.
用“远程学习圈理论”分析网络学习管理系统   总被引:4,自引:0,他引:4  
LMS 是网络教育和基于网络培训的支撑系统。本文首先介绍了两种对LMS 进行功能分类和评价的理论,然后通过借鉴“远程学习圈理论”提出对LMS 进行功能分析的框架,最后利用这个框架对三个知名的LMS 进行分析,旨在为 企业和学校引进LMS 时提供参考和借鉴。  相似文献   
145.
文章论述了高校图书馆数字化资源建设的内容和方式,及其实施质量监管的必要性,并对网络数字化信息资源建设的质量标准和管理方法进行了探讨。  相似文献   
146.
暨阳书院设于江苏江阴,著名学者卢文弨和李兆洛曾先后担任院长,他们对暨阳书院做出了重要贡献,暨阳书院因他们而名声大振。  相似文献   
147.
学习必须主动、独立、创新,培养实际能力.自主学习是指具有自觉的意识和反应的学习方式.自主阅读是自主学习的关键.总结能力是自主学习非常重要的一个方面.自主学习是指教学条件下的学生的高品质的学习.  相似文献   
148.
This study is part of a larger research project at the Image Permanence Institute dedicated to digital print preservation issues – the Digital Print Preservation Portal (DP3). Previous DP3 studies determined that certain digital print types are prone to cracking and/or abrasion, and that factors such as low relative humidity, pollutants, and light increase the brittleness of the ink-receiving layer of some inkjet papers. The purpose of this investigation was to explore if light also increases the propensity of inkjet prints to abrade, and to examine the potential of framing glazings to mitigate light-induced physical damage (cracking and abrasion) by attenuating some portion of the UV spectrum. Inkjet papers and prints were subjected to xenon lighting (to simulate daylight through window glass) without glazing, or in sealed framing packages with plain framing glass (soda-lime) or UV filtering glass. Before and after light exposure, brittleness, and abrasion resistance were evaluated independently using two tests: ISO 18907 (Imaging materials – Photographic films and papers – Wedge test for brittleness) and a rub test utilizing a Sutherland® Rub Tester. In this study, exposure to light increased the cracking and/or abrasion tendency of some specimens. The use of UV filtering glass reduced this light-induced propensity in all cases. Plain glass protected all samples from at least one of these two types of surface damage, but was less effective than UV glass. Light-induced brittleness and sensitivity to abrasion were mostly, though not exclusively, caused by UV radiation. It was also seen that some prints may become brittle and/or prone to abrasion in the absence of image fade. Budgeting the amount of light these objects can be exposed to, protecting them from UV radiation, and handling prints with caution especially after exhibition, is essential in order to limit physical damage.  相似文献   
149.
通过对高职新生英语学习过渡与衔接情况的研究,分析了高中和高职两个阶段的英语教学在教学目标、教学内容和教学模式上的差异。推进高职英语教学的自然过渡,合理地解决高职新生英语教学衔接问题,培养学生的学习策略,这对于帮助学生适应高职英语学习、提高语言交际能力有着重要的意义。  相似文献   
150.
试论中学研究性学习的个体价值   总被引:1,自引:0,他引:1  
研究性学习作为一种课题,引起了专家学者的积极讨论,在理论上给予了充分的重视。然而,研究性学习作为一门实实在在的课程,却没有引起人们足够的关注,在实践中得不到落实。当然,造成这种现状的原因是多种多样的。笔者认为,人们对研究性学习的教育价值,尤其是中学研究性学习的个体价值的认识不足是其中一个重要的原因。  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