全文获取类型
收费全文 | 23714篇 |
免费 | 216篇 |
国内免费 | 2篇 |
专业分类
23932篇 |
出版年
2024年 | 6篇 |
2023年 | 32篇 |
2022年 | 31篇 |
2021年 | 62篇 |
2020年 | 76篇 |
2019年 | 111篇 |
2018年 | 3590篇 |
2017年 | 2941篇 |
2016年 | 2369篇 |
2015年 | 300篇 |
2014年 | 200篇 |
2013年 | 481篇 |
2012年 | 803篇 |
2011年 | 2588篇 |
2010年 | 2610篇 |
2009年 | 1604篇 |
2008年 | 1899篇 |
2007年 | 2365篇 |
2006年 | 188篇 |
2005年 | 352篇 |
2004年 | 310篇 |
2003年 | 259篇 |
2002年 | 185篇 |
2001年 | 72篇 |
2000年 | 92篇 |
1999年 | 53篇 |
1998年 | 67篇 |
1997年 | 55篇 |
1996年 | 41篇 |
1995年 | 31篇 |
1994年 | 22篇 |
1993年 | 26篇 |
1992年 | 10篇 |
1991年 | 8篇 |
1990年 | 14篇 |
1989年 | 9篇 |
1988年 | 4篇 |
1987年 | 8篇 |
1986年 | 4篇 |
1985年 | 8篇 |
1984年 | 7篇 |
1983年 | 7篇 |
1982年 | 4篇 |
1981年 | 6篇 |
1980年 | 4篇 |
1979年 | 5篇 |
1978年 | 3篇 |
1977年 | 2篇 |
1976年 | 3篇 |
1974年 | 2篇 |
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
131.
Chenyang Li 《Dao》2018,17(2):247-255
132.
133.
Robert Zaborowski 《Axiomathes》2018,28(3):253-267
It seems obvious that various feelings (various kinds of affectivity) are memorized, forgotten, and recollected to various degrees. Some of them are forgotten. Some of those forgotten can be recollected, while others are lost forever. For example, short and long-lasting feelings and shallow and deep feelings are memorized and remembered in different ways. In this paper I analyse from a conceptual point of view several categories of memory-of-feelings and offer a comprehensive map of them. In the end, the richness of categories in the realm of memory is interpreted as a proof of the intricacy of affectivity. 相似文献
134.
135.
136.
137.
138.
Christopher Coenen 《Nanoethics》2018,12(3):177-180
139.
140.
Rosenthal SL Griffith JO Succop PA Biro FM Lewis LM DeVellis RF Stanberry LR 《Adolescence》2002,37(145):83-92
This longitudinal study examined adolescent girls' perception of control over sexually transmitted disease (STD) acquisition. Participants were asked questions regarding their perception of their STD locus of control (internal control; control by parents, partners, peers, and health care providers; and chance) at two waves of data collection. Of the 116 participants (mean age = 17 years), 82% were African-American and 18% were Caucasian. Responses to the measure of locus of control were significantly correlated across a 6-month interval. The responses regarding internal control, control by partner, and chance were not related to the acquisition of an STD in the next 6 months. Further, they were not influenced by an STD in the preceding 6 months. These results indicate that responses to a locus of control measure were stable over a 6-month period, and internal, partner, and chance locus of control perceptions seem to be neither determined by STD experience nor directly related to future STD acquisition. However, understanding an individual's locus of control may be helpful in providing appropriate counseling. Future research could examine how adolescent girls form their perceptions of control over STD acquisition. 相似文献