全文获取类型
收费全文 | 381篇 |
免费 | 18篇 |
专业分类
各国政治 | 22篇 |
工人农民 | 5篇 |
世界政治 | 52篇 |
外交国际关系 | 43篇 |
法律 | 163篇 |
中国政治 | 2篇 |
政治理论 | 108篇 |
综合类 | 4篇 |
出版年
2021年 | 3篇 |
2020年 | 6篇 |
2019年 | 5篇 |
2018年 | 13篇 |
2017年 | 15篇 |
2016年 | 11篇 |
2015年 | 12篇 |
2014年 | 11篇 |
2013年 | 78篇 |
2012年 | 14篇 |
2011年 | 16篇 |
2010年 | 14篇 |
2009年 | 17篇 |
2008年 | 12篇 |
2007年 | 19篇 |
2006年 | 8篇 |
2005年 | 12篇 |
2004年 | 10篇 |
2003年 | 5篇 |
2002年 | 10篇 |
2001年 | 11篇 |
2000年 | 9篇 |
1999年 | 1篇 |
1998年 | 4篇 |
1997年 | 6篇 |
1996年 | 3篇 |
1995年 | 4篇 |
1994年 | 3篇 |
1993年 | 6篇 |
1992年 | 3篇 |
1991年 | 1篇 |
1990年 | 3篇 |
1989年 | 6篇 |
1987年 | 4篇 |
1986年 | 5篇 |
1985年 | 3篇 |
1984年 | 5篇 |
1983年 | 2篇 |
1982年 | 1篇 |
1981年 | 1篇 |
1979年 | 3篇 |
1978年 | 5篇 |
1977年 | 3篇 |
1976年 | 1篇 |
1975年 | 2篇 |
1974年 | 2篇 |
1973年 | 4篇 |
1972年 | 3篇 |
1970年 | 1篇 |
1967年 | 1篇 |
排序方式: 共有399条查询结果,搜索用时 15 毫秒
21.
22.
23.
24.
Fifty-one years ago, when liberalism and social welfare democracy were expanding in all advanced industrialized nations, V.O. Key, Jr., forecast the decline of postwar liberalism in the United States. Current discussion of the decline of liberalism has ignored Key or, when evidence is lacking, has incorrectly cited him. In contrast to Key's relatively direct, simple, and heavily documented reasoning, current explanations are multifactorial, complex, less well documented, and often ideologically loaded. Some explanations for the "postwar" decline identify causal factors more than six years after the war, yet they ignore events in 1945–47. At the fifty-first anniversary of V.O. Key's Southern Politics in State and Nation, attention to Key's forecast and Occam's razor is called for. Key argued that racism in the South, exerted through congressional committees, would lead to a decline of liberalism in the nation. Using "legislative histories," this article compares Key's single-factor "racial" explanation with a two-factor explanation—and by implication with multifactor ones—and finds Key's more compelling and parsimonious. Archival sources indicate that more than two years before the 1948 Democratic Convention, Charlie Ross, Truman's closest advisor, and Truman himself encouraged Key to assess the emerging postwar politics of the South. As Key anticipated, institutionalized racism sunk the Fair Deal and postwar social democracy, despite Truman's efforts. The effects of racism on postwar and current politics and public administration should be reexamined as a key to understanding American distinctiveness or exceptionalism. 相似文献
25.
26.
Hermann Weber 《Politische Vierteljahresschrift》2000,41(2):394
27.
Brett A. Schweers Jennifer Old P.W. Boonlayangoor Karl A. Reich 《Forensic Science International: Genetics Supplement Series》2008,2(3):243-247
Human blood is the body fluid most commonly encountered at crime scenes, and blood detection may aid investigators in reconstructing what occurred during a crime. In addition, blood detection can help determine which items of evidence should be processed for DNA-STR testing. Unfortunately, many common substances can cause red-brown stains that resemble blood. Furthermore, many current human blood detection methods are presumptive and prone to false positive results. Here, the developmental validation of a new blood identification test, Rapid Stain Identification™-Blood (RSID™-Blood), is described. RSID™-Blood utilizes two anti-glycophorin A (red blood cell membrane specific protein) monoclonal antibodies in a lateral flow strip test format to detect human blood. We present evidence demonstrating that this test is accurate, reproducible, easy to use, and highly specific for human blood. Importantly, RSID™-Blood does not cross-react with ferret, skunk, or primate blood and exhibits no high-dose hook effect. Also, we describe studies on the sensitivity, body fluid specificity, and species specificity of RSID™-Blood. In addition, we show that the test can detect blood from a variety of forensic exhibits prior to processing for DNA-STR analysis. In conclusion, we suggest that RSID™-Blood is effective and useful for the detection of human blood on forensic exhibits, and offers improved blood detection when compared to other currently used methods. 相似文献
28.
The principles that behavior is strongly influenced by the behavior of friends, and that people select each other to be friends on the basis of common characteristics, are based in large part on the many studies of adolescents that found the behavior of friends to be similar. In most of these studies, subjects were asked to describe, the behavior of their friends, and this information was then related to subjects' reports of their own behavior. The research on adolescent smoking and drinking described in this paper departs from that tradition by including friend reports of friend behavior so that results based on the different sources for measuring friend behavior can be compared. Subject report of friend behavior is a stronger correlate, of adolescent behavior than friend report of friend behavior, but the two sources for measuring friend behavior produce the same correlations with subject behavior when using longitudinal designs and controlling for prior subject behavior. The findings are discussed in the context of theoretical and methodological considerations of peer influence and selection.This research was supported by grants from the National Institute on Alcohol Abuse and Alcoholism (AA04099) and the National Institute on Drug Abuse (DA02480) of the U.S. Department of Health and Human Services.Received his Ph.D. from Florida State University. His research interests include adolescent health and evaluation research.Received her M.A. from University of North Carolina at Chapel Hill. Her research interests include methodology and analyses in behavioral sciences and applied social and developmental psychology. 相似文献
29.
30.
Karl Wärneryd 《Public Choice》1994,80(3-4):371-380
Intuitively, we associate different political parties with different types of policy. In contrast, this paper shows that in the absence of differential costs of membership among parties (that is, if party membership ischeap talk), party labels cannot perfectly signal the ideologies of candidates. However, under certain conditions parties can signal candidate types imperfectly. The paper therefore also provides an example of how costless communication can be effective in games of partial conflict. 相似文献