全文获取类型
收费全文 | 359篇 |
免费 | 26篇 |
专业分类
各国政治 | 9篇 |
工人农民 | 37篇 |
世界政治 | 70篇 |
外交国际关系 | 18篇 |
法律 | 186篇 |
中国政治 | 4篇 |
政治理论 | 59篇 |
综合类 | 2篇 |
出版年
2023年 | 7篇 |
2022年 | 3篇 |
2021年 | 6篇 |
2020年 | 12篇 |
2019年 | 19篇 |
2018年 | 21篇 |
2017年 | 20篇 |
2016年 | 26篇 |
2015年 | 15篇 |
2014年 | 16篇 |
2013年 | 42篇 |
2012年 | 18篇 |
2011年 | 14篇 |
2010年 | 10篇 |
2009年 | 9篇 |
2008年 | 15篇 |
2007年 | 12篇 |
2006年 | 11篇 |
2005年 | 26篇 |
2004年 | 17篇 |
2003年 | 22篇 |
2002年 | 16篇 |
2001年 | 6篇 |
2000年 | 2篇 |
1998年 | 4篇 |
1997年 | 1篇 |
1993年 | 5篇 |
1992年 | 3篇 |
1991年 | 2篇 |
1990年 | 1篇 |
1989年 | 2篇 |
1987年 | 1篇 |
1984年 | 1篇 |
排序方式: 共有385条查询结果,搜索用时 0 毫秒
111.
112.
Victoria M. Dominguez Ph.D. Angela L. Harden M.A. Matthew Wascher M.A. Amanda M. Agnew Ph.D. 《Journal of forensic sciences》2020,65(6):2108-2111
Existing histological age estimation methods using the rib were developed mainly from the midshaft; however, in forensic practice, uncertainty of sampling location often arises due to fragmented or previously sampled ribs. The potential for error increases when sampling location is uncertain and utilizing a section beyond the midshaft (either anterior or posterior) may result in erroneous age estimates. Additionally, there is debate within the field regarding the minimum number of sections needed for accurate age estimation. The aim of this research is to determine the importance of the midshaft distinction for age-at-death assessment and the necessity of analyzing serial sections by evaluating histological variables at sampling locations along the length of the rib. Three seriated histological sections at three sampling locations (anterior, midshaft, and posterior) were obtained from sixth ribs of ten postmortem human subjects. Cortical area (Ct.Ar) and osteon population density (OPD) were collected from each section (n = 90). Significant differences were determined in Ct.Ar between sampling locations, demonstrating the variation present along the length of the rib. A comparison of OPD at sampling locations revealed significant differences, suggesting that sampling site is critical to accurate age estimates. When sampling location is uncertain, a more anterior section should be taken. Analysis of serial sections within locations revealed no significant differences in OPD or Ct.Ar, supporting the practice of collecting data from one section for age estimation. While an age estimate can be achieved through the analysis of one section, best practice suggests reading two sections to capture intraindividual variation. 相似文献
113.
114.
Schad MM Szwedo DE Antonishak J Hare A Allen JP 《Journal of youth and adolescence》2008,37(3):346-358
The broader context of relational aggression in adolescent romantic relationships was assessed by considering the ways such
aggression emerged from prior experiences of peer pressure and was linked to concurrent difficulties in psychosocial functioning.
Longitudinal, multi-reporter data were obtained from 97 adolescents and their best friends at age 15 and from adolescents
and their romantic partners at age 18. Teens’ relational aggression and romantic partners’ victimization were predicted from
levels of best friends’ pressuring behaviors toward teens in an observed interaction as well as from best friends’ ratings
of how much pressure teens experienced from their peer group. Romantic partner relational aggression and teen victimization
were predicted by pressure from teens’ peer group only. Adolescents’ romantic relational aggression and victimization were
also associated with elevated levels of depressive symptoms and increased alcohol use. Results are discussed in terms of the
connection of relational aggression in romantic relationships to the broader task of establishing autonomy with peers in psychosocial
development.
相似文献
Megan M. SchadEmail: |
115.
116.
117.
118.
119.
120.