全文获取类型
收费全文 | 731篇 |
免费 | 31篇 |
专业分类
各国政治 | 25篇 |
工人农民 | 88篇 |
世界政治 | 68篇 |
外交国际关系 | 33篇 |
法律 | 360篇 |
中国政治 | 6篇 |
政治理论 | 180篇 |
综合类 | 2篇 |
出版年
2024年 | 1篇 |
2023年 | 2篇 |
2022年 | 3篇 |
2021年 | 2篇 |
2020年 | 9篇 |
2019年 | 17篇 |
2018年 | 22篇 |
2017年 | 25篇 |
2016年 | 25篇 |
2015年 | 30篇 |
2014年 | 23篇 |
2013年 | 120篇 |
2012年 | 26篇 |
2011年 | 20篇 |
2010年 | 17篇 |
2009年 | 17篇 |
2008年 | 39篇 |
2007年 | 36篇 |
2006年 | 31篇 |
2005年 | 30篇 |
2004年 | 34篇 |
2003年 | 28篇 |
2002年 | 27篇 |
2001年 | 14篇 |
2000年 | 8篇 |
1999年 | 9篇 |
1998年 | 6篇 |
1997年 | 11篇 |
1996年 | 12篇 |
1995年 | 11篇 |
1994年 | 11篇 |
1993年 | 9篇 |
1992年 | 8篇 |
1991年 | 2篇 |
1990年 | 9篇 |
1989年 | 8篇 |
1988年 | 7篇 |
1987年 | 4篇 |
1986年 | 4篇 |
1985年 | 6篇 |
1984年 | 7篇 |
1983年 | 2篇 |
1982年 | 6篇 |
1981年 | 4篇 |
1980年 | 6篇 |
1978年 | 3篇 |
1977年 | 3篇 |
1976年 | 5篇 |
1975年 | 2篇 |
1974年 | 1篇 |
排序方式: 共有762条查询结果,搜索用时 31 毫秒
661.
662.
663.
664.
665.
666.
667.
668.
Karen M. Markin 《Communication Law & Policy》2013,18(2):243-267
Legislatures in nearly a third of the states that conduct presidential preference primaries have given the media a statutory role in deciding who gets on that ballot. In these states, a candidate may qualify for placement on the ballot by being recognized by the media as a serious contender for the office of president. The constitutionality of these statutes has been upheld on the ground that they provide additional access to the ballot. This article argues, however, that the statutes are poor public policy because they contravene democratic principles, they compromise the press in its role as institutional watchdog and they fail to meet the essential goals of the candidate nominating process in a democracy. The article concludes by recommending that these so‐called media recognition statutes be repealed. 相似文献
669.
Karen Pfeifer 《Development in Practice》2001,11(1):20-33
Fifteen Egyptian firms producing goods and services were classified into two sets by method of finance, i.e. profit sharing for the seven Islamic versus debt-at-interest for the eight non-Islamic firms. Interviewed in 1993 and 1994, the two groups were found to be similar in customer relations and market behaviour and in paternalism towards employees. However, the non-Islamic firms had a significantly higher average profit rate, while the Islamic firms paid a significantly higher average wage, suggesting that cultural institutions shape economic behaviour even in a well-established market economy. 相似文献
670.
Anthony R. Pisani Peter A. Wyman Mariya Petrova Karen Schmeelk-Cone David B. Goldston Yinglin Xia Madelyn S. Gould 《Journal of youth and adolescence》2013,42(6):807-820
To develop and refine interventions to prevent youth suicide, knowledge is needed about specific processes that reduce risk at a population level. Using a cross-sectional design, the present study tested hypotheses regarding associations between self-reported suicide attempts, emotion regulation difficulties, and positive youth–adult relationships among 7,978 high-school students (48.6 % male, 49.9 % female) in 30 high schools from predominantly rural, low-income communities. 683 students (8.6 %) reported a past-year suicide attempt. Emotion regulation difficulties and a lack of trusted adults at home and school were associated with increased risk for making a past-year suicide attempt, above and beyond the effects of depressive symptoms and demographic factors. The association between emotion regulation difficulties and suicide attempts was modestly lower among students who perceived themselves as having higher levels of trusted adults in the family, consistent with a protective effect. Having a trusted adult in the community (outside of school and family) was associated with fewer suicide attempts in models that controlled only for demographic covariates, but not when taking symptoms of depression into account. These findings point to adolescent emotion regulation and relationships with trusted adults as complementary targets for suicide prevention that merit further intervention studies. Reaching these targets in a broad population of adolescents will require new delivery systems and “option rich” (OR) intervention designs. 相似文献