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   13655篇
  免费   169篇
各国政治   571篇
工人农民   419篇
世界政治   1071篇
外交国际关系   585篇
法律   8132篇
中国共产党   1篇
中国政治   71篇
政治理论   2912篇
综合类   62篇
  2021年   75篇
  2020年   231篇
  2019年   278篇
  2018年   287篇
  2017年   356篇
  2016年   373篇
  2015年   309篇
  2014年   334篇
  2013年   1375篇
  2012年   284篇
  2011年   375篇
  2010年   341篇
  2009年   366篇
  2008年   364篇
  2007年   319篇
  2006年   348篇
  2005年   319篇
  2004年   334篇
  2003年   311篇
  2002年   313篇
  2001年   517篇
  2000年   470篇
  1999年   337篇
  1998年   236篇
  1997年   187篇
  1996年   164篇
  1995年   174篇
  1994年   190篇
  1993年   178篇
  1992年   229篇
  1991年   255篇
  1990年   245篇
  1989年   256篇
  1988年   243篇
  1987年   229篇
  1986年   273篇
  1985年   243篇
  1984年   202篇
  1983年   202篇
  1982年   149篇
  1981年   146篇
  1980年   108篇
  1979年   146篇
  1978年   107篇
  1977年   96篇
  1976年   91篇
  1975年   59篇
  1974年   103篇
  1973年   87篇
  1972年   78篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
111.
Alcohol--orally given in concentrations from 1 to 4 g/kg body-weight--leads to a reduction of mast cells in the guinea pig lung. At the same time a minor decrease of histamine concentration was observed. The incompatibility reaction with alcohol after disulfiram intake (DAR) shows an additional degranulation oft mast cells of the lungs and decrease of histamine-content. So far, there seems little difference between the influence of disulfiram alone and the DAR. Besides thrombocytes and basophile leucocytes, the mast cells of the lung are responsible for the release of histamine and serotonine during higher alcohol concentrations and alcohol-disulfiram-reactions. We think that the intolerance phenomena of humans after alcohol--f.e. in form of flush-reaction--is at least partly related to the concomitant influence oft mast cell-substances.  相似文献   
112.
113.
114.
115.
116.
Gender and gender-role orientation differences were explored on adolescents' coping with peer stressors. Eighth-grade and ninth-grade public junior high school students (N = 285) completed the COPE, reporting the strategies they recently used to deal with a stressful peer-related situation. Measures of gender-role orientation (Bem Sex-Role Inventory) and demographic information also were obtained. Factor analysis of the COPE revealed 4 distinct coping factors: active, avoidant, acceptance, and emotion-focused. The most frequently reported stressful event was arguments/fights with same-sex friends. Girls reported more arguments/fights with opposite-sex friends. Boys reported more physical fights and threats. Students' ratings of how much the situation mattered were used as a covariate in a MANCOVA to compare coping by gender and gender-role orientation, to control for perceived stressfulness of situations. Significant gender-role orientation differences were found for active, acceptance, and emotion-focused coping.  相似文献   
117.
Voting May Be Habit-Forming: Evidence from a Randomized Field Experiment   总被引:1,自引:2,他引:1  
Habit is a frequently mentioned but understudied cause of political action. This article provides the first direct test of the hypothesis that casting a ballot in one election increases one's propensity to go to the polls in the future. A field experiment involving 25,200 registered voters was conducted prior to the November general election of 1998. Subjects were randomly assigned to treatment conditions in which they were urged to vote through direct mail or face-to-face canvassing. Compared to a control group that received no contact, the treatment groups were significantly more likely to vote in 1998. The treatment groups were also significantly more likely to vote in local elections held in November of 1999. After deriving a statistical estimator to isolate the effect of habit, we find that, ceteris paribus, voting in one election substantially increases the likelihood of voting in the future. Indeed, the influence of past voting exceeds the effects of age and education reported in previous studies.  相似文献   
118.
Merilee S. Grindle 《管理》2004,17(4):525-548
The good governance agenda is unrealistically long and growing longer over time. Among the multitude of governance reforms that "must be done" to encourage development and reduce poverty, there is little guidance about what's essential and what's not, what should come first and what should follow, what can be achieved in the short term and what can only be achieved over the longer term, what is feasible and what is not. If more attention is given to sorting out these questions, "good enough governance" may become a more realistic goal for many countries faced with the goal of reducing poverty. Working toward good enough governance means accepting a more nuanced understanding of the evolution of institutions and government capabilities; being explicit about trade-offs and priorities in a world in which all good things cannot be pursued at once; learning about what's working rather than focusing solely on governance gaps; taking the role of government in poverty alleviation seriously; and grounding action in the contextual realities of each country.  相似文献   
119.
The growing literature about mixed electoral systems has addressed their effect on party systems, voting behavior, campaign strategies, legislative roll-call voting, and other issues in a handful of countries. But, the effect of mixed systems has not been fully evaluated cross-nationally or longitudinally. Using data from the World Bank’s Database of Political Institutions, we address this gap in the literature by investigating two related questions. First, do mixed electoral rules produce different election outcomes than other election rules? Second, are these results attenuated by the definitions of mixed systems that scholars employ? We find that mixed systems generate outcomes that are distinct from other electoral systems and that these findings are generally robust across different definitions.  相似文献   
120.
Participants in a specialelection held in the State of Mississippion April 17, 2001, voted overwhelminglyagainst changing the design of the state'sflag, which incorporates a symbol of theConfederacy. The determinants of voting onthe flag are analyzed and turnout rates inApril 2001 are compared with those forrecent gubernatorial and presidentialelections. We find that the flag votedivided Mississippians sharply along linesof race, class and political ideology. Akey empirical implication is that voterpositions in issue space tend to be morepolarized when political choices haveexpressive as opposed to instrumentalconsequences.  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