首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   784篇
  免费   23篇
各国政治   36篇
工人农民   167篇
世界政治   40篇
外交国际关系   43篇
法律   376篇
中国政治   14篇
政治理论   128篇
综合类   3篇
  2023年   2篇
  2021年   5篇
  2020年   7篇
  2019年   18篇
  2018年   27篇
  2017年   30篇
  2016年   14篇
  2015年   17篇
  2014年   22篇
  2013年   123篇
  2012年   18篇
  2011年   21篇
  2010年   21篇
  2009年   30篇
  2008年   25篇
  2007年   28篇
  2006年   27篇
  2005年   20篇
  2004年   28篇
  2003年   20篇
  2002年   28篇
  2001年   15篇
  2000年   18篇
  1999年   16篇
  1998年   10篇
  1997年   16篇
  1996年   19篇
  1995年   13篇
  1994年   5篇
  1993年   10篇
  1992年   15篇
  1991年   15篇
  1990年   9篇
  1989年   15篇
  1988年   8篇
  1987年   7篇
  1986年   8篇
  1985年   9篇
  1984年   9篇
  1983年   7篇
  1982年   11篇
  1981年   6篇
  1980年   10篇
  1979年   5篇
  1978年   5篇
  1977年   5篇
  1976年   2篇
  1973年   2篇
  1970年   1篇
  1969年   2篇
排序方式: 共有807条查询结果,搜索用时 31 毫秒
41.
The index of socioeconomic and cultural diversity among theAmerican states formulated by John L. Sullivan for 1960 is recreatedfor 1980. Comparisons are made between the index for the twotime periods, and changes among the states are examined overtime. Significant differences continue to exist between northernand southern states, mainly because of cultural rather thansocioeconomic factors. The diversity index remains a relativelypowerful predictor of policy variation among the states and,as such, might be considered as a substitute for geographicregion in comparative state policy research.  相似文献   
42.
In order to examine the relationships among social network structure, types of social support, and determinants of support satisfaction, an alternative method was used to score the Social Support Questionnaire (SSQ). Factor analysis procedures suggested that college students' (N=198) social networks consisted of four groups: nuclear family, other family, friends, and others. Satisfaction with support was positively related to the proportion of the network occupied by nuclear family and negatively related to the proportion of friends in the network. Evidence was found for the presence of both support specialists and support generalists in the networks of the college students. These results are discussed from a developmental perspective with attention to the implications for interventions.  相似文献   
43.
44.
45.
46.
47.
Flouri E  Buchanan A 《危机》2002,23(1):17-22
This study of 2,722 adolescents aged 14-18 years explored whether parental involvement can protect against adolescent suicide attempts. Compared to their counterparts suicide attempters were more likely to have been in trouble with the police, to report lower levels of parental interest and academic motivation, and to report suicidal ideation and using alcohol or an illegal drug when they feel stressed. They were also less likely to reside with both parents. The association between parental involvement and suicidal behaviour was not stronger for sons than for daughters or for adolescents who had experienced family disruption than for those who grew up in two-parent families.  相似文献   
48.
A study of 30 cases of violence from a total sample of 199 cases of infant abductions between the years 1983 and 2000 included a subsample of six (or 20%) where the kidnapping was by cesarean section. The six cases are classified by type of crime. Four cases were classified as personal cause homicide, subtype cesarean section homicide; one case classified as personal cause, subtype domestic homicide, and one case classified as a criminal enterprise homicide. The behavioral profiles of the abductors included a confidence style approach to the victim mother, deception, and planning of the cesarean section. The forensic psychodynamics suggest a dual motive to cement a failing partner relationship and to fulfill a childbearing and delivery fantasy. Cesarean section murder suggests a new category of personal cause homicide.  相似文献   
49.
50.
Negotiated Agreements (NAs) are arrangements between firms and regulators in which firms voluntarily agree to reduce their pollution. This article analyzes the institutional features that facilitate or hamper the implementation of NAs. We illustrate the analysis with case studies on the implementation of NAs in the United States, Germany, the Netherlands, and France. We find that NAs are implemented when regulators are able to commit credibly to the objectives of NAs. Institutional environments marked by fragmentation of power and open access in policymaking reduce regulatory credibility and thus hamper the implementation of NAs.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号