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   899篇
  免费   14篇
  国内免费   17篇
教育   534篇
科学研究   142篇
各国文化   2篇
体育   26篇
综合类   31篇
信息传播   195篇
  2023年   9篇
  2022年   16篇
  2021年   10篇
  2020年   30篇
  2019年   28篇
  2018年   21篇
  2017年   22篇
  2016年   31篇
  2015年   24篇
  2014年   49篇
  2013年   84篇
  2012年   51篇
  2011年   64篇
  2010年   47篇
  2009年   45篇
  2008年   54篇
  2007年   67篇
  2006年   48篇
  2005年   56篇
  2004年   38篇
  2003年   42篇
  2002年   38篇
  2001年   28篇
  2000年   13篇
  1999年   5篇
  1998年   1篇
  1997年   2篇
  1996年   3篇
  1995年   1篇
  1994年   2篇
  1991年   1篇
排序方式: 共有930条查询结果,搜索用时 15 毫秒
201.
从词性、成分、句类几个角度分析莆仙方言中"有"和"无"的用法,将一些特殊用法取之与普通话和其他闽方言进行比较,可加深对莆仙方言中这类句式的认识,帮助方言区的人更好地学习普通话。  相似文献   
202.
1IntroductionTherehavebeenmailystudiesonnonsllloothequatiollsl"'"]F(x)=0,FiD=R"-R",((l.l)butfewauthorsusedembedding1lletllodtosolve'theequations(1.l).In1990,S.M.RobinsonstudiedthenonsnlootllembeddingmethodforaclassofBdifferentiableequationsill[51.WhenFiss…  相似文献   
203.
The Frazar Memorial Library at McNeese State University closed on the last day of the fall 2012 semester (December 8, 2012). The building remains under renovation through summer 2016. The library faculty anticipated big decreases in services. They studied the literature to establish baselines for those decreases. In response to these findings, the library staff tried to establish new service models to minimize the anticipated decline. This article measures the decline in library circulation, instruction, interlibrary loan (ILL), and reference services due to the renovation upheaval. The data presented in this study are anticipated to serve as a benchmark for subsequent actions for reversing the decline.  相似文献   
204.
To investigate how undergraduates use library and scholarly resources through their mobile devices, the authors surveyed 138 undergraduate students at The College of New Jersey (TCNJ) in the spring 2014 semester. The results confirmed that they want to search databases and journals on their mobile devices. By examining the functionalities of mobile-friendly databases, we identified the challenges and barriers to using mobile devices to search electronic databases and find articles. The results of this study were used in generating recommendations for the design, capabilities, and resources of future mobile websites.  相似文献   
205.
在会话时,有第一人称、第二人称、第三人称的人称代名词,有了这些人称代名词,可以更好地分清人物所处的场所和人物之间的关系。本文从《世说新语》一书“人”的自称词用法入手,对该书所描写的人物感情和心理状态等方面进行研究。  相似文献   
206.
Institutional repositories (IRs) are important research management tools that can give increased visibility to the institution’s scholarly outputs. Although statistics were previously available through the various repository interfaces, without an agreed standard it was not possible to measure usage across a range of IRs accurately. IRUS-UK is a national aggregation service, containing details of all content downloaded from participating IRs in the United Kingdom. Through collecting raw usage data and processing them into item-level usage statistics IRUS-UK provides comparable and authoritative standards-based data and also acts as an intermediary between UK repositories and other agencies.  相似文献   
207.
Implementing discovery tools and getting them to work with existing library services often leaves very little time for their promotion and for the thoughtful, ongoing evaluation and curation of their content. However, the expectations and experiences that users have about discovery tools are often directly related to the content and the way that content is described. In our efforts to work with vendors to resolve the underlying business issues that prevent us from having all of the metadata for our resources included in our discovery tools, we may have lost sight of our role in curating and evaluating the usefulness of the content that is already included in them.  相似文献   
208.
随着社会的进步,在我国乃至国际上花卉业得到了迅猛的发展。但我国由于历史原因,花卉业的发展,特别是科研工作较为滞后,使我国丰富的野生花卉种质资源没有得到合理利用。作者通过对黔南植物资源的调查,认为其中三十个科上百种植物在花卉上具有发展潜力。同时,对这些种质资源的可持续利用进行了分析,并对目前所存在的问题提出了一些建议。  相似文献   
209.
给出了Sobolev插值不等式的一种简便推导公式.  相似文献   
210.
成语是现代汉语中遗留的古代汉语的活化石。古代汉语特有的语音现象、文字现象、语法现象,以及汉语古词义现象,都可以在成语中找到它们的影子。了解这些现象对于准确地理解和运用成语,以及加深对古代汉语的学习和理解,都是极有帮助的,而这些现象,归根结底体现在成语的古词义上。  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