全文获取类型
收费全文 | 94335篇 |
免费 | 999篇 |
国内免费 | 774篇 |
专业分类
教育 | 78205篇 |
科学研究 | 6382篇 |
各国文化 | 114篇 |
体育 | 4012篇 |
综合类 | 4719篇 |
文化理论 | 49篇 |
信息传播 | 2627篇 |
出版年
2024年 | 18篇 |
2023年 | 370篇 |
2022年 | 825篇 |
2021年 | 1624篇 |
2020年 | 2289篇 |
2019年 | 1914篇 |
2018年 | 1242篇 |
2017年 | 1309篇 |
2016年 | 1376篇 |
2015年 | 2531篇 |
2014年 | 6144篇 |
2013年 | 7778篇 |
2012年 | 8097篇 |
2011年 | 7678篇 |
2010年 | 5368篇 |
2009年 | 5122篇 |
2008年 | 5700篇 |
2007年 | 7028篇 |
2006年 | 6745篇 |
2005年 | 5612篇 |
2004年 | 4804篇 |
2003年 | 4105篇 |
2002年 | 3210篇 |
2001年 | 2403篇 |
2000年 | 1318篇 |
1999年 | 480篇 |
1998年 | 239篇 |
1997年 | 218篇 |
1996年 | 178篇 |
1995年 | 93篇 |
1994年 | 90篇 |
1993年 | 66篇 |
1992年 | 40篇 |
1991年 | 15篇 |
1990年 | 14篇 |
1989年 | 18篇 |
1988年 | 5篇 |
1985年 | 2篇 |
1984年 | 2篇 |
1983年 | 4篇 |
1981年 | 3篇 |
1980年 | 1篇 |
1979年 | 6篇 |
1978年 | 8篇 |
1977年 | 8篇 |
1976年 | 6篇 |
1957年 | 2篇 |
排序方式: 共有10000条查询结果,搜索用时 183 毫秒
1.
Creating and disseminating knowledge through research and teaching has long been regarded as the hallmark of the modern university. However, new university business models have called into question the ‘bundling’ of teaching and research, and sustained research on the relationship between teaching and research has found little evidence of an insoluble connection between the two activities. In this article, we explore the relationship between teaching and research from the perspective of universities’ institutional discourse. We use corpus-assisted discourse analysis to examine the relationship between research and teaching as presented in two sets of institutional texts currently influential in UK Higher Education: Research Excellence Framework environment statements and Teaching Excellence Framework provider submissions (a total of 2143 documents and 12,492,071 words). Our findings show that, while universities emphasise the value of research to their teaching, they do not always emphasise (or sometimes even decry) the influence of teaching on their research. We empirically evidence that, according to what universities themselves write in institutional texts, teaching and research are not always in a mutually beneficial entanglement, but often rather a one-way relationship in which research expertise and institutional prestige are used to bolster claims of teaching excellence. This has implications for the communication of both the vision and the purpose of a university in regulatory exercises and wider policy, but also speaks to the broader idea and practice of being a university in the twenty-first century. 相似文献
2.
Higher education institutions are trying to provide more flexibility and individualization, which is mainly realized through the use of new technologies and implemented in online or blended learning designs. This systematic review aims to investigate the impact of replacing classroom time with an online learning environment. The meta-analysis (k = 21 effect sizes) applied strict inclusion criteria concerning research design, measurement of learning outcomes and implementation of blended learning. The estimated effect size (Hedge's g) was positive, although not significantly different from zero and the confidence interval [-0.13, 0.25], suggesting that overall differences between blended and conventional classroom learning are small, and, at best, very small negative or moderate positive effects are plausible. This means that despite a reduction in classroom time between 30 and 79 per cent, equivalent learning outcomes were found. Consequently, blended learning with reduced classroom time is not systematically more or less effective than conventional classroom learning. 相似文献
3.
The article documents findings from a pilot study undertaken in 2012–2013 in a special needs secondary school in the England, that trialled the use of a multimedia advocacy tool, “The RIX Wiki”. The trial was part of the pathfinder programme, which aimed to reform existing Special Education Needs provision, from the system of statementing to one of developing education health care plans. The reforms became enshrined in the Children and Families Act (2014). The findings were overall positive and helped with person-centred planning processes. The discussion is framed within current and future policy directives. We argue that multimedia advocacy approaches and software tools, like the “RIX Wiki” will have a continued role to play in ensuring the needs, aspirations and choices of children and young people with learning disabilities remain central. 相似文献
4.
[目的/意义] 在数据驱动范式情境下,揭示政府门户网站开放数据状态及其主体行为状态之间的内部关联,推动政府数据开放效果和进程。[方法/过程] 采用爬虫方法抓取上海市政府数据门户网站中各开放数据集,在对各数据集指标进行相关分析的基础上,采用Stepwise探索其回归关系,筛选得出关联度较高的变量;进一步对关系显著的变量进行PLS回归检验,得出政府开放数据状态与其主体行为状态的内部关联。[结果/结论] 在政府数据开放进程中,政府部门的主体行为比数据自身的客体特征对公众主体行为的影响更大。在影响公众评分的因素中,政府开放保密级别的影响因子最大,且具有显著负向影响作用;政府更新频率、政府首次开放时间、数据格式可机读性对公众评分具有显著正向影响作用。 相似文献
5.
6.
沈竹雅 《体育科技文献通报》2020,(2):33-33,47
在对高职学生就业能力的内涵进行简要阐述的基础上,重点论述体育参与对高职学生就业能力的促进作用:体育参与有利于提升高职学生的职业身体素质,有利于提升高职学生的应聘抗挫能力,有利于培养高职学生的团结协作能力。最后,就如何激发高职学生的体育参与积极性简要提出若干建议。 相似文献
7.
2022年冬奥会已进入北京时间。黑龙江省各高校应在习主席新时代中国特色社会主义思想引领下,深入贯彻党的教育方针,将立德树人根本任务深切落到实处,积极响应"带动3亿人参与冰雪运动"的伟大号召,加速发展高校冰雪运动。本文采用文献资料、逻辑分析、归纳等研究方法,对北京冬奥会背景下黑龙江省高校冰雪运动发展的现状及存在问题进行分析,并探寻一条符合新时代发展需要的黑龙江省高校冰雪运动发展路径,旨在全面振兴黑龙江省高校冰雪运动,为2022年北京冬奥会保驾护航。 相似文献
8.
Reputation in the fifteenth century credit market; some tales from the ecclesiastical courts of York
Hannah Robb 《Cultural and Social History》2018,15(3):297-313
This article explores the language used to defend reputation in instances of defamation, debt and theft presented before the ecclesiastical courts of the Archbishopric of York in the latter part of the medieval period. Finding a circulating language of trust and household credibility in the court papers, the argument concludes that the commodification of reputation was not a phenomenon brought about by the Reformation but that a reputation mechanism was intrinsic to the medieval market embedded in informal institutions, social norms and cultural dictates and enforced in the courts. 相似文献
9.
Edgardo Ferretti Leticia Cagnina Viviana Paiz Sebastián Delle Donne Rodrigo Zacagnini Marcelo Errecalde 《Information processing & management》2018,54(6):1169-1181
In this work, we present the first quality flaw prediction study for articles containing the two most frequent verifiability flaws in Spanish Wikipedia: articles which do not cite any references or sources at all (denominated Unreferenced) and articles that need additional citations for verification (so-called Refimprove). Based on the underlying characteristics of each flaw, different state-of-the-art approaches were evaluated. For articles not citing any references, a well-established rule-based approach was evaluated and interesting findings show that some of them suffer from Refimprove flaw instead. Likewise, for articles that need additional citations for verification, the well-known PU learning and one-class classification approaches were evaluated. Besides, new methods were compared and a new feature was also proposed to model this latter flaw. The results showed that new methods such as under-bagged decision trees with sum or majority voting rules, biased-SVM, and centroid-based balanced SVM, perform best in comparison with the ones previously published. 相似文献
10.
基于深度学习的中文专利自动分类方法研究 总被引:2,自引:0,他引:2
[目的/意义] 面向当前国内专利审查和专利情报分析工作中对于海量专利分类的客观需求,设计了7种基于深度学习的专利自动分类方法,对比各种方法的分类效果,从而助力专利分类效率和效果的提升。[方法/过程] 针对传统机器学习方法存在的缺陷,基于Word2Vec、CNN、RNN、Attention机制等深度学习技术,考虑专利文本语序特征、上下文特征以及分类关键特征,设计Word2Vec+TextCNN、Word2Vec+GRU、Word2Vec+BiGRU、Word2Vec+BiGRU+TextCNN等7种深度学习模型,以中国专利为例,选取IPC主分类号的"部"作为分类依据,对比这7种模型与3种传统分类模型在中文专利分类任务中的效果。[结果/结论] 实证研究效果显示,采用考虑语序特征、上下文特征及强化关键特征的深度学习方法进行中文专利分类具有更优的分类效果。 相似文献