全文获取类型
| 收费全文 | 25937篇 |
| 免费 | 374篇 |
| 国内免费 | 16篇 |
专业分类
| 教育 | 18519篇 |
| 科学研究 | 2063篇 |
| 各国文化 | 275篇 |
| 体育 | 2655篇 |
| 综合类 | 8篇 |
| 文化理论 | 270篇 |
| 信息传播 | 2537篇 |
出版年
| 2022年 | 157篇 |
| 2021年 | 300篇 |
| 2020年 | 471篇 |
| 2019年 | 709篇 |
| 2018年 | 944篇 |
| 2017年 | 875篇 |
| 2016年 | 812篇 |
| 2015年 | 505篇 |
| 2014年 | 619篇 |
| 2013年 | 4813篇 |
| 2012年 | 593篇 |
| 2011年 | 608篇 |
| 2010年 | 474篇 |
| 2009年 | 503篇 |
| 2008年 | 529篇 |
| 2007年 | 490篇 |
| 2006年 | 469篇 |
| 2005年 | 402篇 |
| 2004年 | 419篇 |
| 2003年 | 345篇 |
| 2002年 | 352篇 |
| 2001年 | 479篇 |
| 2000年 | 522篇 |
| 1999年 | 455篇 |
| 1998年 | 277篇 |
| 1997年 | 262篇 |
| 1996年 | 330篇 |
| 1995年 | 262篇 |
| 1994年 | 278篇 |
| 1993年 | 238篇 |
| 1992年 | 357篇 |
| 1991年 | 382篇 |
| 1990年 | 351篇 |
| 1989年 | 383篇 |
| 1988年 | 353篇 |
| 1987年 | 338篇 |
| 1986年 | 331篇 |
| 1985年 | 375篇 |
| 1984年 | 300篇 |
| 1983年 | 309篇 |
| 1982年 | 247篇 |
| 1981年 | 257篇 |
| 1980年 | 252篇 |
| 1979年 | 337篇 |
| 1978年 | 238篇 |
| 1977年 | 218篇 |
| 1976年 | 194篇 |
| 1975年 | 172篇 |
| 1974年 | 173篇 |
| 1973年 | 166篇 |
排序方式： 共有10000条查询结果，搜索用时 546 毫秒
71.
72.
73.
Characteristics of early adopters of end-user online searching in the health professions 总被引：1，自引：0，他引：1
J G Marshall 《Bulletin of the Medical Library Association》1989,77(1):48-55
This paper examines end-user, online searching using data from a questionnaire mailed to 150 Canadian health professionals in practice settings. The response rate was 83% (n = 124). The data provide a demographic profile of early adopters of end-user searching in the health care community. Positive correlations with the user's level of implementation of end-user searching were found for the following variables: amount of time spent in research activities, amount of system training received, and use of Medical Subject Headings (MeSH). There was a negative association between the amount of time spent in patient care and implementation level. General practitioners and family physicians had lower implementation levels than physicians in other specialties. Successful implementers were more likely to be computer literate and to place a high value on formal information sources such as books, journals, and libraries. Health professionals using so-called "user-friendly" or menu-based software had lower levels of personal commitment to using online databases, as measured by a combination of continuance of use, willingness to pay personally, type of recommendations made to colleagues, and hardware ownership. 相似文献
74.
75.
76.
Collins B Linton A Merril J Pomerantz K Winthrop S 《Medical reference services quarterly》1992,11(4):1-9
Computers are integral to medical practice, education, and research. While medical students learn computer skills during their training, many practicing physicians do not have the same computer experience. To familiarize this group with the exciting developments in medical informatics, the Himmelfarb Health Sciences Library and Department of Computer Medicine at the George Washington University Medical Center organized a workshop "Introducing Your Office Computer!" for attending physicians. The workshop featured a short lecture/video presentation on computer applications in medicine followed by a "computer fair" of five computer applications. Eleven physicians attended the workshop. Feedback was very positive; many called later to request more detailed instructions on using the programs demonstrated. It was a valuable experience for the staff, and new bridges were built between departments and clients. 相似文献
77.
78.
79.
80.