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   112篇
  免费   3篇
教育   56篇
科学研究   47篇
体育   5篇
信息传播   7篇
  2022年   2篇
  2020年   3篇
  2019年   4篇
  2018年   15篇
  2017年   8篇
  2016年   7篇
  2015年   7篇
  2014年   9篇
  2013年   8篇
  2012年   7篇
  2011年   5篇
  2010年   4篇
  2009年   2篇
  2008年   3篇
  2007年   4篇
  2005年   6篇
  2003年   2篇
  2002年   1篇
  1996年   1篇
  1990年   2篇
  1988年   1篇
  1987年   1篇
  1985年   1篇
  1984年   1篇
  1983年   2篇
  1982年   3篇
  1981年   2篇
  1973年   1篇
  1963年   2篇
  1961年   1篇
排序方式: 共有115条查询结果,搜索用时 0 毫秒
51.
52.
53.
The references cited in scientific articles are as important as any other part of the paper, because of their usefulness to the scientific community and to abstracting and indexing services and citation databases. I studied inaccuracies in references and in‐text citations in sample of 97 of the 519 peer‐reviewed journals accredited by the Iranian National Commission for Journal Accreditation Policy (Ministry of Research, Science and Technology). The target journals published 2,980 articles with 74,577 cited references and 108,151 in‐text citations. The results showed 36.6% as the average percentage error rate (range 5.6% to 61.3%). The mean number of errors in cited reference and in‐text citations was 2.7 per article, and the mean number of errors per journal was 690. For the entire sample of articles, 4,369 in‐text citations did not match any source in the list of references (4%), and 8,683 cited references did not match any in‐text citation (11.6%). The stakeholders in scholarly communication, especially authors, pay insufficient attention to the accuracy of bibliographic references. Peer‐reviewed journals should encourage the use of standardized journal policies and quality‐control measures regarding peer review, data quality and accuracy.  相似文献   
54.
This paper first reviews the literature on school-university partnerships to evaluate and describe challenges and paradigms of Japanese approaches to school-university partnerships in theory and practice. Secondly, it clarifies the role of three-year school-university partnership between the Nagoya University and the Tokai City Board of Education in the central Japan for creating an effective environment in schools for teachers to learn from each other and for developing more learning-centered education that focuses on the real needs of students. From this study it can be claimed that more effective relationships between Japanese school teachers and university researchers can be established through developing collaborative a school-based research framework especially through the process of jugyou kenkyuu (lesson study).  相似文献   
55.
In this paper two robust controllers for a multivariable vertical short take-off and landing (VSTOL) aircraft system are designed and compared. The aim of these controllers is to achieve robust stability margins and good performance in step response of the system. LQG/LTR method is a systematic design approach based on shaping and recovering open-loop singular values while mixed-sensitivity H method is established by defining appropriate weighting functions to achieve good performance and robustness. Comparison of the two controllers show that LQG method requires rate feedback to increase damping of closed-loop system, while H controller by only proper choose the weighting functions, meets the same performance for step response. Output robustness of both controllers is good but H controller has poor input stability margin. The net controller order of H is higher than the LQG/LTR method and the control effort of them is in the acceptable range.  相似文献   
56.
Despite the significant role of oral presentation in the academic context, many university students evade opportunities for participation due to low self-efficacy. The present study has been conducted to compare oral presentation self-efficacy of English as a Foreign Language (EFL) learners with undergraduates and postgraduates of Non-EFL majors, and to investigate the relationship of this construct with their teaching and prior academic oral presentation experiences as two modes of Bandura’s [(1995). Exercise of personal and collective efficacy in changing societies. In A. Bandura (Ed.), Self-efficacy in changing societies (pp. 1–45). New York: Cambridge University Press] mastery experience. Extracting the oral presentation sub-skills from the literature, an oral presentation self-efficacy questionnaire with 38 five-Likert scale items was constructed. A two-way between-group ANOVA was run on the responses of a total 48 postgraduates (25 EFL and 23 Non-EFL) and 63 undergraduates (28 EFL and 35 Non-EFL) selected randomly from two of the universities in Iran. The results indicated no difference between EFL and Non-EFL students, whether at undergraduate or postgraduate level, in terms of their oral presentation self-efficacy. Spearman’s correlation coefficient, however, showed a strong positive correlation between the two modes of mastery experience and oral presentation self-efficacy (r?=?.44, n?=?111, P?r?=?.42, n?=?111, P?相似文献   
57.
58.
In most developing countries, as the young population increase in number and consequently, the demands for higher education rise, the governments cannot respond to all demands. Accordingly, they develop private higher education sectors as an alternative solution. In developed countries, some moving factors are influential in creation and the increase of private institutions but there are scarce evidences and comparative results about developing countries. The current comparative study seeks to investigate and analyze the main factors of privatization in higher education of three developing countries: Indonesia, Malaysia, and Kenya. After a short outline of theoretical foundations, this study provides more in-depth explanations of the principal and common effective factors.  相似文献   
59.
International Review of Education - While European education systems fundamentally rest on a rather monolithic world-view, some of them are explicitly oriented towards Christianity and others are...  相似文献   
60.
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