全文获取类型
收费全文 | 176980篇 |
免费 | 2979篇 |
国内免费 | 2312篇 |
专业分类
教育 | 127770篇 |
科学研究 | 19067篇 |
各国文化 | 294篇 |
体育 | 14232篇 |
综合类 | 10784篇 |
文化理论 | 124篇 |
信息传播 | 10000篇 |
出版年
2024年 | 44篇 |
2023年 | 508篇 |
2022年 | 1975篇 |
2021年 | 4185篇 |
2020年 | 5143篇 |
2019年 | 3685篇 |
2018年 | 2386篇 |
2017年 | 2558篇 |
2016年 | 2955篇 |
2015年 | 5060篇 |
2014年 | 12242篇 |
2013年 | 14315篇 |
2012年 | 16077篇 |
2011年 | 15019篇 |
2010年 | 10679篇 |
2009年 | 9276篇 |
2008年 | 10394篇 |
2007年 | 12034篇 |
2006年 | 11605篇 |
2005年 | 9822篇 |
2004年 | 8526篇 |
2003年 | 7419篇 |
2002年 | 5918篇 |
2001年 | 4622篇 |
2000年 | 2576篇 |
1999年 | 1001篇 |
1998年 | 594篇 |
1997年 | 408篇 |
1996年 | 370篇 |
1995年 | 197篇 |
1994年 | 207篇 |
1993年 | 125篇 |
1992年 | 93篇 |
1991年 | 41篇 |
1990年 | 32篇 |
1989年 | 34篇 |
1988年 | 5篇 |
1987年 | 3篇 |
1986年 | 2篇 |
1985年 | 19篇 |
1984年 | 12篇 |
1983年 | 11篇 |
1982年 | 18篇 |
1981年 | 10篇 |
1980年 | 5篇 |
1979年 | 10篇 |
1978年 | 11篇 |
1977年 | 15篇 |
1976年 | 16篇 |
1957年 | 9篇 |
排序方式: 共有10000条查询结果,搜索用时 109 毫秒
1.
Teacher moonlighting (teachers working other jobs in addition to teaching) may have positive as well as negative implications. In the context of post-socialist countries, the provision of private tutoring is one of the common forms of teacher moonlighting. The aim of the paper is to analyse the prevalence and factors that are associated with a) having a paid job in addition to one’s regular teaching obligations; b) provision of private tutoring among teachers. Results are drawn from a representative sample of 494 Czech teachers of academic school subjects in lower secondary schools who responded to an online questionnaire survey. Male teachers working part-time, with shorter professional experience, higher household financial burden and lower satisfaction with teacher salaries were more likely to moonlight. The provision of private tutoring was only associated with shorter professional experience and the teaching of core subjects, suggesting that Czech teachers’ motivation to provide private tutoring is currently not primarily financial. 相似文献
2.
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
3.
In this paper, the authors discuss their grounded research carried out with teachers about the wellbeing of teachers. They explore the importance of making the concept of wellbeing more intimate and consider hedonic and eudaimonic ways of looking at wellbeing. They present a model of layered reflection which illuminates key factors that have an impact on the wellbeing of teachers. 相似文献
4.
In an increasingly globalized and culturally diverse world, extended stays abroad during high school are considered important opportunities for acquiring and improving a variety of skills, most importantly, language achievement. This study examines both predictors and effects of studying abroad in an English-speaking country during high school, using population data from the second largest city in Germany (N = 5361; 13% went abroad). In order to determine the most central predictors of studying abroad, we employed logistic regression models in which students’ socioeconomic background emerged as the strongest predictor of studying abroad. To test the effects of studying abroad, we applied propensity score matching. Studying abroad had positive effects on standardized achievement, grades, and course choice in English, whereas it had hardly any effects on outcomes in math. Implications for studying abroad during high school and future research directions are discussed. 相似文献
5.
Neil Anthony Buddel 《British Journal of Sociology of Education》2018,39(1):16-31
The notion that the stories of our lives shape dispositions towards imagined futures is another lens through which university underrepresentation should be viewed. A storied lens attends to how futures, like university attendance, are storied during childhood to the extent that some youth imagine, and therefore plan, these futures as natural progression. Such was the case for study participants, indicating that childhood stories contain answers for mitigating social reproduction connected to parental education and cultural forces within the home. Examining social mobility through the underexplored storied-futures grand narrative presents unique solutions that lay hidden within the dominant meritocratic grand narrative. 相似文献
6.
体医融合和非医疗健康干预可以有效促进疾病管理与健康服务模式的形成,但体医融合项目治理初期仍然受到理念融合、体医融资、部门协同等因素的影响。该文以病毒、人体免疫与体育运动的体医融合关系视角,依据共生理论对体医融合项目的风险治理逻辑进行了阐述。采用文献资料法、数理统计法等对体医融合项目风险治理的相关个案进行了整理,并基于NVIVO11.0质性分析软件对体医融合个案进行识别分析,构建了体医融合项目风险治理的影响因素评价指标体系,包括13个一级指标30个二级指标。最后提出了体医融合项目风险治理的路径选择(1)将体医融合理念提升至构建公共卫生保障体系战略的高度;(2)落地变现体医融合项目购买方案;(3)打造政府精准购买体医融合项目区块链。 相似文献
7.
ABSTRACT
Purpose
The 24-Hour Movement Guidelines (24 hMG) provide specific recommendations, including physical activity (PA), screen-time and sleep-duration, which preschoolers should achieve for a healthy day (24 h). The aim of the current study was to analyse preschooler’s adherence with the 24-Hour Movement Guidelines. 相似文献8.
[目的/意义] 对比分析数据管理能力成熟度模型,为图书馆选择与应用数据管理能力成熟度模型提供参考方案。[方法/过程] 通过模型文本的研究,介绍各模型的结构。采用比较分析法从评价维度(功能域)的设置、模型的组织体系、评价标准与规则、可操作性、公开度等5个方面对7个数据管理能力成熟度模型进行评析。[结果/结论] 每个模型具有其特色功能。CMMI、DMM、DCAM和中国DCMM的评价维度较为全面,中国DCMM即中国-数据中心服务能力成熟度模型具有较强的操作性,且其定量与定性相结合的评价方法值得借鉴。研究数据管理的能力成熟度模型(雪城大学秦健教授团队)和研究数据管理能力成熟度模型(澳大利亚ANDS)考虑图书馆数据管理的实际情况,可作为首选模型。基于各模型的对比与评析结果,形成3种适应不同情境的图书馆选择与应用数据管理能力成熟度模型的方案。 相似文献
9.
在线健康社区用户个人健康信息管理行为特征研究 总被引:3,自引:1,他引:2
[目的/意义] 旨在对在线健康社区用户的个人健康信息管理行为特征进行分析,并在此基础上,对"平台-PHIM-健康目标"这一模式中的元素之间的关系进行探讨。[方法/过程] 选择患有红斑狼疮的在线健康社区用户作为调查对象。采用聚类方法对个人健康信息管理行为的总体测度水平不同的群体进行识别;利用单因素方差分析(One-way ANOVA)对不同群组进行比较研究。[结果/结论] 将依托在线健康社区进行的个人健康信息管理行为界定为健康信息发现、健康信息互动和健康信息分享。从数据分析结果来看,首先,在线健康社区的红斑狼疮患者在个人健康信息管理行为水平上存在显著的高低差异。第二,用户所感知到的社会支持与其个人健康信息管理水平存在正相关关系。第三,个人健康信息管理与用户健康目标之间存在正相关关系。本研究为在线健康社区完善其服务方式,促进慢性病人个人健康信息管理水平提高提供合理建议。 相似文献
10.
[目的/意义] 灰色预测法可有效处理情报研究中广泛存在的小样本数据,通过对灰色预测法在情报研究中的应用情况进行梳理,总结其在应用过程中存在的不足,为灰色预测法在情报研究中的进一步应用提供参考。[方法/过程] 通过综述情报研究中涉及灰色预测法的相关文献,从数据选取、模型构建和解决的问题等方面对情报研究中灰色预测法的应用进行概述,总结当前情报研究中灰色预测法的应用所存在的问题,并提出改进建议。[结果/结论] 在方法应用上,已有研究主要采用数列灰预测,且模型集中在单变量灰色预测模型,根据预测对象不同,灰色预测法已经在包括期刊分析、图书馆运行管理、热点主题分析及科研机构评价方面得到了很好的应用,未来可根据预测对象特点及研究目标尝试不同的灰色预测方法,扩宽灰色预测法在其他方面的情报研究问题中的应用。 相似文献