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   385篇
  免费   0篇
教育   85篇
科学研究   129篇
综合类   28篇
信息传播   143篇
  2024年   1篇
  2021年   2篇
  2020年   1篇
  2019年   1篇
  2018年   3篇
  2017年   3篇
  2016年   2篇
  2015年   1篇
  2014年   12篇
  2013年   20篇
  2012年   47篇
  2011年   139篇
  2010年   16篇
  2009年   19篇
  2008年   10篇
  2007年   14篇
  2006年   30篇
  2005年   3篇
  2004年   9篇
  2003年   3篇
  2002年   5篇
  2001年   4篇
  2000年   2篇
  1999年   27篇
  1998年   4篇
  1997年   1篇
  1996年   2篇
  1995年   1篇
  1994年   1篇
  1992年   1篇
  1990年   1篇
排序方式: 共有385条查询结果,搜索用时 0 毫秒
151.
    
While there is a growing literature focused on doctoral preparation for teaching about science teaching, rarely have recommendations extended to preparation for teaching science content to teachers. We three doctoral students employ self-study as a research methodology to investigate our developing pedagogical content knowledge for teaching science to teachers during a mentored internship in an elementary teacher professional development program. With our mentor, we examine critical incidents in the experience that supported new insights about teaching teachers and about ways in which beginning teacher educators need to develop their existing pedagogical content knowledge for teaching science to students in order to teach science effectively to teachers. We emphasize ways in which doctoral internships can support this learning and how our respective cultures shaped our interactions with and perceptions of teachers as learners.  相似文献   
152.
The shifting location of one institution within a knowledge-space that is itself dynamic is examined through a brief case-study of one of the constituent museums which, in 1985, became a part of the then newly established National Museums of Scotland. Through examination of the declared intentions of successive directors over the 151 year history of the institution successively known as the Industrial Museum of Scotland, the Edinburgh Museum of Science and Art, the Royal Scottish Museum, and the Royal Museum of Scotland, it attempts to reveal changes in that institution's perception of its own role, its corporate vision, and its sense of place within the social, intellectual and political landscape.  相似文献   
153.
他是我爸爸     
钱晴 《海外英语》2007,(12):38-39
以下这封信被放在一家大型教学医院的门诊部。虽然作者不明,但它的内容却值得所有从事健康医疗的人借鉴。  相似文献   
154.
155.
Our aim is to shed light on the consequences of knowledge management (KM) strategies on firm's innovation and corporate performance. Organisations are not aware of the real implications that KM may have. Based on an empirical study consisted of 310 Spanish organisations and structural equations modelling, results show that both KM strategies (codification and personalisation) impacts on innovation and organisational performance directly and indirectly (through an increase on innovation capability). Also, findings demonstrate a different effect of KM strategies on diverse dimensions of organisational performance. Our conclusions may help academics and managers in designing KM strategic programs in order to achieve higher innovation, effectiveness, efficiency and profitability.  相似文献   
156.
    
This paper presents findings of a study conducted to evaluate the extent to which the Agricultural Information Service (AIS) is providing agricultural information services to farmers in Maseru district, Lesotho.  相似文献   
157.
  总被引:1,自引:0,他引:1  
Technology firms occupy a central position in modern economies. They drive economic growth, productivity gains and have created new industries and innovative products.Many will agree that technology firms are distinguished from others in their emphasis on technological activities. Since this observation is too general, researchers suggested a variety of specific criteria and definitions. A number of definitions of technology firms appear in the literature but many are arbitrary and simplistic and none gained wide acceptance. Similarly, the number of characteristics suggested is large, reflecting a variety of perspectives and interests. In this case too no agreement exists as to which are the important ones. Also, many seem to be interrelated capturing different aspects of the same underlying concepts.This paper is concerned with the issue of definition and classification of technology firms. We demonstrate the usefulness of a different approach to the definition and classification problem. We rely on executives’ evaluations of their firms’ technology profile and level. An analysis of these evaluations reveals the underlying dimensions the executives used in making their judgments. We regard the dimensions we uncover as capturing the essence of technology firms and use them to classify the firms we study. The specific characteristics the executives used to evaluate their firms were derived from a systematic scan of the literature. Thus, the list represents the set of characteristics early researchers viewed as describing and defining technology firms. The connection to early work enhances our findings’ validity and lends some credence to our belief that the three dimensions we uncover (R&D activities which are closely associated with a set of organizational elements and market conditions, product strategy, and corporate culture) can be used by others to define technology firms and classify firms according to their technology level. In our study we use these three dimensions to classify the firms studied. We show that the commonly used practice of classifying firms as high and low technology according to the industry to which they belong is flawed.Our goal in this study is not to offer a “new” or “better” definition and characterization of technology firms or to offer the “best” approach to the generation of the classification criteria. Rather, we demonstrate here the usefulness of a different approach to the problem. While our approach does suffer from limitations it has important advantages. We hope future studies will confirm not only the usefulness of our approach but also the general applicability of the specific criteria we identify in this study.  相似文献   
158.
Rapid advances in mobile technologies and devices have made mobile banking increasingly important in mobile commerce and financial services. Using innovation diffusion theory and knowledge-based trust literature, this study develops a research model to examine the effect of innovation attributes (perceived relative advantage, ease of use and compatibility) and knowledge-based trust (perceived competence, benevolence and integrity) on attitude and behavioral intention about adopting (or continuing to use) mobile banking across potential and repeat customers. Based on a survey of 368 participants (177 for potential customers and 191 for repeat customers), this study uses a structural equation modeling approach to investigate the research model. The results indicate that perceived relative advantage, ease of use, compatibility, competence and integrity significantly influence attitude, which in turn lead to behavioral intention to adopt (or continue-to-use) mobile banking. Additionally, by using multi-group analysis with t-statistics, the results found that the antecedents of attitude toward mobile banking differ between potential and repeat customers. The implications for research and practice and future research directions are discussed.  相似文献   
159.
    
Intubation checklists have emerged as tools to reduce adverse events and improve efficiency during rapid sequence intubation (RSI) in pediatric emergency departments (PEDs). This study aimed to use multidisciplinary simulation (SIM) training as an educational tool to improve PED team performance during RSI scenarios through utilization of an RSI checklist.  相似文献   
160.
学生的理解水平、认知发展水平是制定课程目标的重要依据。只有厘清、界定了学生的实际理解水平,才能寻求、探查到一个多数人都能达到的目标层次,制定出适切的课程目标。以有理数乘法运算为例,学生对有理数乘法运算的理解具有层次性与有限性。由低到高,理解的三个水平为程序理解、直观理解、抽象理解。学生对有理数乘法运算的理解是非常有限的,原因在于知识的超验性与学生认知发展的层次性。对照义务教育课程标准发现,课程目标要求偏高,课程目标表述模糊。因而,课程目标需要基于学生的理解水平,具有层次性、明确性、适切性。  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