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   26293篇
  免费   1332篇
各国政治   1069篇
工人农民   1132篇
世界政治   1780篇
外交国际关系   809篇
法律   17460篇
中国共产党   2篇
中国政治   163篇
政治理论   5039篇
综合类   171篇
  2021年   125篇
  2020年   491篇
  2019年   556篇
  2018年   719篇
  2017年   750篇
  2016年   823篇
  2015年   630篇
  2014年   684篇
  2013年   2617篇
  2012年   657篇
  2011年   729篇
  2010年   700篇
  2009年   750篇
  2008年   730篇
  2007年   728篇
  2006年   744篇
  2005年   642篇
  2004年   626篇
  2003年   562篇
  2002年   608篇
  2001年   997篇
  2000年   888篇
  1999年   706篇
  1998年   380篇
  1997年   281篇
  1996年   313篇
  1995年   305篇
  1994年   294篇
  1993年   297篇
  1992年   491篇
  1991年   512篇
  1990年   487篇
  1989年   490篇
  1988年   492篇
  1987年   454篇
  1986年   542篇
  1985年   536篇
  1984年   438篇
  1983年   412篇
  1982年   301篇
  1981年   268篇
  1980年   242篇
  1979年   340篇
  1978年   193篇
  1977年   191篇
  1976年   162篇
  1975年   158篇
  1974年   202篇
  1973年   155篇
  1972年   150篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
951.
The research in representative bureaucracy that examines the extent to which racial congruence impacts bureaucrats’ decisions is mixed. This study adds to this literature by examining the impact of representative bureaucracy on the level of force that police officers use and whether they make an arrest in use of force encounters, while taking into consideration key situational conditions. Using individual-level data from New Orleans to estimate this impact, the authors find that racial congruence and incongruence impact policing outcomes even in the presence of situational shortcuts that cue decision-making. The findings show that the benefits of representation are conditional on the outcome. Black officers are less likely to use higher levels of force on Black civilians. Yet both Black and White officers are less likely to arrest White civilians in use of force encounters. This suggests that interactions in which bureaucrats have less discretion (e.g., arrests) may offer limited opportunities for active representation.  相似文献   
952.
953.
954.
955.
956.
Responding to socioeconomic inequality and the decline of political participation, theorists of “audience democracy” emphasize citizens’ spectatorship of political leaders but neglect how citizens experience being watched themselves. I turn to Adam Smith's arguments about the effects of inequality on spectatorship, highlighting his criticisms of the public's disdain for people living in poverty. By comparing Smith's arguments about misperceptions of people living in poverty to his discussions of an innocent man accused of a crime, I show how mistaken spectators demoralize even morally judicious individuals. I also expand on an example of unjust censure that Smith suggests but does not discuss in detail: the social shame directed at a survivor of rape. I conclude by using Smith's insights to reflect on the social and interpersonal dynamics of surveillance that render contemporary welfare programs degrading for many participants and help transform socioeconomic inequality into political inequality.  相似文献   
957.
Medicare is a large government health insurance program in the United States that covers about 60 million people. This paper analyzes the effects of Medicare insurance on health for a group of people in urgent need of medical care: people with cancer. We used a regression discontinuity design to assess impacts of near-universal Medicare insurance at age 65 on cancer detection and outcomes, using population-based cancer registries and vital statistics data. Our analysis focused on the three tumor sites for which screening is recommended both before and after age 65: breast, colorectal, and lung cancer. At age 65, cancer detection increased by 72 per 100,000 population among women and 33 per 100,000 population among men; cancer mortality also decreased by nine per 100,000 population for women but did not significantly change for men. In a placebo check, we found no comparable changes at age 65 in Canada. This study provides the first evidence to our knowledge that near-universal access to Medicare at age 65 is associated with improvements in population-level cancer mortality.  相似文献   
958.
There has been, and continues to be, an explosion in the use of algorithms across the economy and society. There are growing concerns about how algorithms are being used and whether they are accountable. This article reviews the literature on the issue of algorithms in several key areas, such as fairness, accountability, and transparency. The article examines arguments on why algorithms should be regulated, and it explores the available literature to identify how a potential Canadian regulatory framework may be developed.  相似文献   
959.
960.
This report assesses the effects on peripheral oxygen saturation and heart rate that positional restraint induces when a person is prone, handcuffed, and "hog-tied." Peripheral oxygen saturation and heart rate were monitored at rest, during exercise, and during recovery from exercise for 10 adult subjects. The effects of positional restraint produced a mean recovery time that was significantly prolonged. Consequently, the physiological effects produced by positional restraint should be recognized in deaths where such measures are used.  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