全文获取类型
收费全文 | 1795篇 |
免费 | 33篇 |
国内免费 | 1篇 |
专业分类
教育 | 1256篇 |
科学研究 | 82篇 |
各国文化 | 36篇 |
体育 | 224篇 |
文化理论 | 13篇 |
信息传播 | 218篇 |
出版年
2023年 | 11篇 |
2022年 | 12篇 |
2021年 | 24篇 |
2020年 | 58篇 |
2019年 | 80篇 |
2018年 | 120篇 |
2017年 | 89篇 |
2016年 | 100篇 |
2015年 | 56篇 |
2014年 | 69篇 |
2013年 | 413篇 |
2012年 | 60篇 |
2011年 | 63篇 |
2010年 | 43篇 |
2009年 | 50篇 |
2008年 | 53篇 |
2007年 | 43篇 |
2006年 | 37篇 |
2005年 | 33篇 |
2004年 | 41篇 |
2003年 | 28篇 |
2002年 | 22篇 |
2001年 | 15篇 |
2000年 | 21篇 |
1999年 | 15篇 |
1998年 | 9篇 |
1997年 | 17篇 |
1996年 | 15篇 |
1995年 | 10篇 |
1994年 | 13篇 |
1993年 | 13篇 |
1992年 | 15篇 |
1991年 | 19篇 |
1990年 | 14篇 |
1989年 | 10篇 |
1988年 | 12篇 |
1987年 | 8篇 |
1986年 | 8篇 |
1985年 | 17篇 |
1984年 | 6篇 |
1983年 | 12篇 |
1982年 | 11篇 |
1981年 | 5篇 |
1980年 | 7篇 |
1979年 | 7篇 |
1978年 | 5篇 |
1977年 | 7篇 |
1976年 | 5篇 |
1971年 | 4篇 |
1903年 | 3篇 |
排序方式: 共有1829条查询结果,搜索用时 468 毫秒
161.
162.
This study examined the bidirectionality between kindergarten children's executive functioning (EF) and word reading across two time points. Participants were 523 Hong Kong Chinese-speaking children (mean age at Time 2 = 64.59 months; 52.9% male) and their parents. At Time 1, children were administered the measures of EF skills: inhibitory control, attention shifting, working memory and Chinese word reading. They were reassessed with these measures at Time 2 one year later. Results from the cross-lagged panel model revealed that, controlling for child age, gender and parental education levels, children's word reading at Time 1 was significantly predictive of their working memory at Time 2, but that the three EF skills at Time 1 were not predictive of word reading at Time 2. These findings underscored the role of early word reading in promoting children's working memory. 相似文献
163.
Twose C Swartz P Bunker E Roderer NK Oliver KB 《Health information and libraries journal》2008,25(1):13-22
PURPOSE: To increase understanding of the information needs and use of public health practitioners. SETTING: From June 2005 to May 2006, the library offered a course in public health information resources to eighteen practitioners in two counties, access to the library's licensed electronic resources through a tailored web portal, and consulting services. EVALUATION METHOD: We combined usage statistics from the web portal, self-report and observational data collected during training and shadowing of participants. CONCLUSIONS: The data from this project indicate that usage of licensed information resources and services is infrequent but broad ranging. A few users register at the high end of the usage range, but one use of one high quality article can have a significant impact on policy decisions. Time and competing responsibilities often constrain the retrieval and use of resources for evidence-based decision making and an informationist or power-user model may be more appropriate than training all practitioners to integrate searching into their workflow. This study indicates (i) that evidence-based public health practice requires seamless and broadly based information access; and (ii) that the currently existing patchwork does not support the level of use or take into account the time constraints of information needs for public health practice. 相似文献
164.
Deurenberg R Vlayen J Guillo S Oliver TK Fervers B Burgers J;SEARCH Group 《Health information and libraries journal》2008,25(1):23-30
BACKGROUND: Effective literature searching is particularly important for clinical practice guideline development. Sophisticated searching and filtering mechanisms are needed to help ensure that all relevant research is reviewed. PURPOSE: To assess the methods used for the selection of evidence for guideline development by evidence-based guideline development organizations. METHODS: A semistructured questionnaire assessing the databases, search filters and evaluation methods used for literature retrieval was distributed to eight major organizations involved in evidence-based guideline development. RESULTS: All of the organizations used search filters as part of guideline development. The medline database was the primary source accessed for literature retrieval. The OVID or SilverPlatter interfaces were used in preference to the freely accessed PubMed interface. The Cochrane Library, embase, cinahl and psycinfo databases were also frequently used by the organizations. All organizations reported the intention to improve and validate their filters for finding literature specifically relevant for guidelines. DISCUSSION: In the first international survey of its kind, eight major guideline development organizations indicated a strong interest in identifying, improving and standardizing search filters to improve guideline development. It is to be hoped that this will result in the standardization of, and open access to, search filters, an improvement in literature searching outcomes and greater collaboration among guideline development organizations. 相似文献
165.
166.
In the open marketplace of visuals where the most valued photographs “rise to the top” via tweets, likes, and retweets rather than being dictated by professionals, the study of what makes an image go really social is merited. One occurrence during which professional photojournalism and nonprofessional photography truly coexist, intermingle, and blur is that of a natural disaster. A body of research exists that has examined the visual framing of disasters, but none has addressed how these differently framed photos go social online or by whom. In this study, 1,078 Twitter photos shared by professional media outlets and nonprofessional tweeters were examined to see what portrayals of photos are elevated in the network. Established frames and new frames were examined: depictions of people, emotional hierarchy, novelty, victims, ordinary people, uniforms, emergency professionals, valence, pragmatic, human interest, and political. The results add empirical evidence to the different ways that professional members of media and other visual sharers understand, visually communicate, and react to disaster and add to the visual framing literature an element of really social visual framing. 相似文献
167.
168.
ABSTRACTBaker Library at Harvard Business School is increasingly asked by the school's faculty to create custom digital information products to enhance course assignments and to find novel ways of electronically disseminating faculty research. In order to prioritize these requests, as well as facilitate, manage, and track the resulting projects, the library staff developed the Research Innovation Framework. Informed by design thinking techniques and recent research on building innovation strategies and innovative cultures, the Research Innovation Framework has been particularly impactful to Baker's intra-organizational communication, allowing for more robust collaboration across the entire library. Tools and resources contained within the Framework have allowed Baker to adapt to the diverse and evolving needs of its customers. 相似文献
169.
Kevin Brown 《资料收集管理》2017,42(3-4):196-207
ABSTRACTThe Indigenous Nations Library Program (INLP) at the University of New Mexico is entering its twelfth year of program history and developing a unique venture into Indigenous librarianship. Rather than taking a passive role of information literacy and content support, INLP is participating as an active cognitive participant in Indigenous knowledge contextualization. INLP has done this in various ways including designating culturally sensitive learning spaces, collection development, and Indigenous knowledge promotion. 相似文献
170.
Oliver Pesch 《期刊图书馆员》2017,73(3-4):195-207
A new release of the COUNTER Code of Practice, Release 5 (R5), was recently published and becomes the standard that publishers and content providers must comply with when they deliver the January 2019 usage data to their customers. This article provides an overview of what’s new in R5, draws some comparisons to the previous code of practice, and discusses the implications for librarians. 相似文献