全文获取类型
收费全文 | 12919篇 |
免费 | 143篇 |
国内免费 | 8篇 |
专业分类
教育 | 9154篇 |
科学研究 | 1302篇 |
各国文化 | 181篇 |
体育 | 823篇 |
综合类 | 6篇 |
文化理论 | 109篇 |
信息传播 | 1495篇 |
出版年
2021年 | 99篇 |
2020年 | 133篇 |
2019年 | 232篇 |
2018年 | 287篇 |
2017年 | 313篇 |
2016年 | 282篇 |
2015年 | 197篇 |
2014年 | 238篇 |
2013年 | 2725篇 |
2012年 | 254篇 |
2011年 | 245篇 |
2010年 | 223篇 |
2009年 | 229篇 |
2008年 | 264篇 |
2007年 | 227篇 |
2006年 | 229篇 |
2005年 | 207篇 |
2004年 | 220篇 |
2003年 | 189篇 |
2002年 | 180篇 |
2001年 | 176篇 |
2000年 | 191篇 |
1999年 | 162篇 |
1998年 | 132篇 |
1997年 | 135篇 |
1996年 | 152篇 |
1995年 | 128篇 |
1994年 | 129篇 |
1993年 | 154篇 |
1992年 | 172篇 |
1991年 | 183篇 |
1990年 | 184篇 |
1989年 | 170篇 |
1988年 | 149篇 |
1987年 | 162篇 |
1986年 | 160篇 |
1985年 | 157篇 |
1984年 | 148篇 |
1983年 | 176篇 |
1982年 | 153篇 |
1981年 | 130篇 |
1980年 | 137篇 |
1979年 | 156篇 |
1978年 | 167篇 |
1977年 | 146篇 |
1976年 | 120篇 |
1975年 | 103篇 |
1974年 | 104篇 |
1973年 | 105篇 |
1972年 | 91篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
41.
Gilbert SF 《CBE life sciences education》2008,7(1):12-13
Note from the Editor 相似文献
42.
Susan J. Gardner John Eric Juricek F. Grace Xu 《The Journal of Academic Librarianship》2008,34(1):16-24
Web sites are increasingly used by academic libraries to promote key services and collections to teaching faculty. This study analyzes the content, location, language, and technological features of fifty-four academic library Web pages designed especially for faculty to expose patterns in the development of these pages. 相似文献
43.
44.
45.
Among the huge maze of resources available on the Internet, UnCoverWeb stands out as a valuable tool for medical libraries. This up-to-date, free-access, multidisciplinary database of periodical references is searched through an easy-to-learn graphical user interface that is a welcome improvement over the telnet version. This article reviews the basic and advanced search techniques for UnCoverWeb, as well as providing information on the document delivery functions and table of contents alerting service called Reveal. UnCover's currency is evaluated and compared with other current awareness resources. System deficiencies are discussed, with the conclusion that although UnCoverWeb lacks the sophisticated features of many commercial database search services, it is nonetheless a useful addition to the repertoire of information sources available in a library. 相似文献
46.
47.
相似文献
48.
49.
D A Kronick 《Bulletin of the Medical Library Association》1979,67(3):297-301
A cooperative acquisition program for monographs for the twelve resource libraries in Region IX of the Regional Medical Library Network is described. Each of the participating libraries has agreed to purchase all books of an assigned publisher which fall within a prescribed subject-format profile. It is hoped that this will help to reduce unnecessary duplication and contribute toward the development of resources in the region. 相似文献
50.
F W Roper 《Bulletin of the Medical Library Association》1979,67(4):359-364
This paper reviews the current situation in library school education for medical librarianship in the United States and Canada based on information from a questionnaire sent to teachers of courses in medical librarianship in accredited library schools. Since 1939, when the first course devoted entirely to medical librarianship was offered at Columbia University, courses have been introduced into the curricula of at least forty-seven of the ALA-accredited library schools. In 1978 there were seventy courses available through forty-seven library schools. Possibilities for specialization in medical librarianship are examined. Course content is reviewed. Implications of the MLA certification examination for library school courses are explored. 相似文献