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   1220篇
  免费   28篇
教育   890篇
科学研究   72篇
各国文化   18篇
体育   167篇
综合类   1篇
文化理论   27篇
信息传播   73篇
  2023年   11篇
  2022年   20篇
  2021年   38篇
  2020年   77篇
  2019年   99篇
  2018年   97篇
  2017年   119篇
  2016年   92篇
  2015年   52篇
  2014年   68篇
  2013年   258篇
  2012年   45篇
  2011年   45篇
  2010年   15篇
  2009年   29篇
  2008年   20篇
  2007年   18篇
  2006年   14篇
  2005年   6篇
  2004年   18篇
  2003年   14篇
  2002年   13篇
  2001年   5篇
  2000年   7篇
  1999年   2篇
  1998年   6篇
  1997年   4篇
  1996年   5篇
  1995年   5篇
  1994年   8篇
  1993年   2篇
  1992年   2篇
  1991年   4篇
  1990年   4篇
  1989年   1篇
  1988年   3篇
  1987年   3篇
  1985年   4篇
  1983年   1篇
  1982年   2篇
  1981年   2篇
  1979年   1篇
  1977年   3篇
  1976年   2篇
  1973年   1篇
  1972年   1篇
  1970年   1篇
  1932年   1篇
排序方式: 共有1248条查询结果,搜索用时 15 毫秒
51.

Objective  

The influence of hormone replacement therapy (HRT) on hemostasis processes depends on the type of hormone, the combination of doses, the time of taking HRT, and the route of administration (oral, transdermal, implanted). The aim of the current study was to assess some parameters of coagulation, especially tissue factor pathway inhibitor (TFPI) and tissue factor (TF) in postmenopausal women using oral or transdermal HRT.  相似文献   
52.
The current investigation aims at assessing the effectiveness of an intervention program designed to enhance self-regulated learning (SRL) strategies at the university level, with students from different cultural, linguistic, and educational backgrounds. The central tool of the program is a set of letters in which a fictional first-year student describes his experiences as an SRL student. The program was implemented in four universities in different countries and continents (Portugal, Spain, Chile, and Mozambique), with an experimental group and a comparison group at each university (263 students from experimental groups and 247 from comparison groups). Findings display the effectiveness of the program in enhancing a set of motivational variables related to the study process and the use of SRL strategies. Data were consistent across the different cultural and academic contexts in which the program was implemented. The implications of these findings for university administrators and faculty are discussed.  相似文献   
53.
54.
Tertiary Education and Management - Why is the gender gap so large in researchers’ career progression? Do men and women have different priorities in their academic careers? This study...  相似文献   
55.
56.
Within the everyday space of their modest trailer homes, I observed compelling environments in the households of 5 Mexican families. In their homes, there existed los padres con sus hijos (parents with their children) who intuitively expressed cariño, or love, for one another, conversed in multiple languages, practiced cultural traditions, and inculcated hope in their children’s minds and hearts. As I listened to their steadfast voices and felt their innermost emotions, a clearer understanding came to mind about ways in which educators and families might construct new alliances for the benefit of children’s future in America.  相似文献   
57.
Educational Studies in Mathematics - The success or failure of education systems in promoting student problem-solving skills depends on attitudinal, political, and pedagogical variables. Among...  相似文献   
58.
Higher Education - Undergraduate internships have gained popularity among students, universities, governments and firms since the creation of the European Higher Education Area. However, empirical...  相似文献   
59.
This study analyses the attitudes of teachers in Spain towards the inclusion of learners with autism spectrum disorder in mainstream education settings and their relationship with the perceived benefits of inclusion. The ex post facto prospective design included 180 teachers from 14 schools. Data were collected using a questionnaire on teachers' attitudes towards inclusive education and a second questionnaire on the benefits of inclusion developed for the specific purposes of this study. The results show teachers' positive attitudes towards inclusion as well as the benefits perceived. This study demonstrates the fundamental role of teachers' previous experience. Implications for inclusive cultures and practices in schools are discussed.  相似文献   
60.
Multi-document discourse parsing aims to automatically identify the relations among textual spans from different texts on the same topic. Recently, with the growing amount of information and the emergence of new technologies that deal with many sources of information, more precise and efficient parsing techniques are required. The most relevant theory to multi-document relationship, Cross-document Structure Theory (CST), has been used for parsing purposes before, though the results had not been satisfactory. CST has received many critics because of its subjectivity, which may lead to low annotation agreement and, consequently, to poor parsing performance. In this work, we propose a refinement of the original CST, which consists in (i) formalizing the relationship definitions, (ii) pruning and combining some relations based on their meaning, and (iii) organizing the relations in a hierarchical structure. The hypothesis for this refinement is that it will lead to better agreement in the annotation and consequently to better parsing results. For this aim, it was built an annotated corpus according to this refinement and it was observed an improvement in the annotation agreement. Based on this corpus, a parser was developed using machine learning techniques and hand-crafted rules. Specifically, hierarchical techniques were used to capture the hierarchical organization of the relations according to the proposed refinement of CST. These two approaches were used to identify the relations among texts spans and to generate multi-document annotation structure. Results outperformed other CST parsers, showing the adequacy of the proposed refinement in the theory.  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