全文获取类型
收费全文 | 419篇 |
免费 | 28篇 |
专业分类
各国政治 | 28篇 |
工人农民 | 7篇 |
世界政治 | 42篇 |
外交国际关系 | 56篇 |
法律 | 179篇 |
中国政治 | 3篇 |
政治理论 | 129篇 |
综合类 | 3篇 |
出版年
2023年 | 5篇 |
2022年 | 3篇 |
2021年 | 6篇 |
2020年 | 16篇 |
2019年 | 18篇 |
2018年 | 24篇 |
2017年 | 25篇 |
2016年 | 17篇 |
2015年 | 11篇 |
2014年 | 13篇 |
2013年 | 76篇 |
2012年 | 12篇 |
2011年 | 19篇 |
2010年 | 8篇 |
2009年 | 13篇 |
2008年 | 20篇 |
2007年 | 25篇 |
2006年 | 25篇 |
2005年 | 13篇 |
2004年 | 11篇 |
2003年 | 8篇 |
2002年 | 6篇 |
2001年 | 3篇 |
2000年 | 7篇 |
1999年 | 2篇 |
1998年 | 8篇 |
1997年 | 7篇 |
1996年 | 3篇 |
1995年 | 6篇 |
1994年 | 7篇 |
1993年 | 2篇 |
1992年 | 1篇 |
1991年 | 3篇 |
1990年 | 3篇 |
1988年 | 2篇 |
1987年 | 3篇 |
1986年 | 3篇 |
1985年 | 1篇 |
1984年 | 2篇 |
1983年 | 2篇 |
1982年 | 1篇 |
1980年 | 2篇 |
1977年 | 2篇 |
1976年 | 1篇 |
1975年 | 1篇 |
1966年 | 1篇 |
排序方式: 共有447条查询结果,搜索用时 15 毫秒
81.
Abstract This year, over 630,000 prisoners will be released from state and federal prisons across the country—more than four times as many as were released in 1980. In this article, we examine the scope of the prisoner reentry issue—what is known about the intersection of housing, homelessness, and reentry and about the barriers returning prisoners face in securing safe and affordable housing. Although the housing challenges are formidable, progress is being made on numerous fronts. We seek to frame the dynamics of the reentry housing discussion by highlighting the promising strategies that are emerging. These strategies, taken to scale, could help create a very different national policy on prisoner reentry. Ultimately, effective reentry strategies have the potential not only to reduce re‐arrest and increase public safety, but also to reduce homelessness. 相似文献
82.
Seth R. Gitter Jeremy G. Weber Bradford L. Barham Mercedez Callenes Jessa Lewis Valentine 《发展研究杂志》2013,49(3):445-463
We explore three trends in rural southern Mexico (Fair Trade coffee, migration, and conditional cash transfers) that could explain the rapid rise in education from 1995–2005 using survey data from 845 coffee farming households in Oaxaca and Chiapas, Mexico. Results from a household fixed-effects model show that household participation in a Fair Trade-organic cooperative contributed to about a 0.7 year increase in schooling for girls. US migration opportunities appear to have even stronger positive impacts on schooling for females. Although participation in Fair Trade-organic cooperatives appears also to have increased male schooling, increased migration opportunities have had an indeterminate effect for males. 相似文献
83.
84.
85.
Over 10% of the American electorate lives in counties served by out-of-state media because of the mismatch between media markets and state boundaries. Frequently, these “orphan” counties face a different information environment than others in their home state: they receive no news coverage and political advertising for their own statewide races, irrelevant information pertaining to candidates in the neighboring state who will not appear on their ballots, or both. With a combination of county-level, individual-level, and political advertising data, our analysis evaluates the effect of orphan county residency and irrelevant political information on political participation. Results indicate that orphan counties have lower turnout rates than non-orphan counties and that this difference is explained by lower levels of interest in the campaign stemming from exposure to irrelevant information. 相似文献
86.
Jeremy S. Triplett M.Sc. Jennifer A. Hatfield M.Sc. Tracy L. Kaeff B.Sc. Christopher R. Ramsey B.Sc. Susan D. Robinson B.Sc. Allison F. Standifer M.Sc. 《Journal of forensic sciences》2013,58(6):1607-1614
Raman spectroscopy has found increased use in the forensic controlled substances laboratory in recent years due to its rapid and nondestructive analysis capabilities. Here, Raman spectroscopy as a screening test for methamphetamine in clandestine laboratory liquid samples is discussed as a way to improve the efficiency of a laboratory by identifying the most probative samples for further workup among multiple samples submitted for analysis. Solutions of methamphetamine in ethanol, diethyl ether, and Coleman fuel were prepared in concentrations ranging from 0.5% to 10% w/v, and Raman spectra of each were collected. A concentration‐dependant Raman peak was observed at 1003 per cm in each solution in 4% w/v and greater solutions. Case samples were analyzed and also found to reliably contain this diagnostic peak when methamphetamine was present. The use of this diagnostic indicator can save the forensic controlled substances laboratory time and materials when analyzing clandestine laboratory liquid submissions. 相似文献
87.
Jeremy Youde 《Nationalities Papers》2013,41(6):1095-1097
88.
Jeremy Black 《Diplomacy & Statecraft》2013,24(3):465-487
A study of a neglected period in British foreign policy serves to question schematic approaches to the history of international relations and to underline the indeterminacy felt by contemporaries, and their sense of the roles of contingency and personality. The problems faced then in conceptualizing international relations can be mirrored today. 相似文献
89.
90.
Arthur Waldron 《二十世纪中国》2013,38(1):75-89
AbstractThis article examines why and how persistent political fragmentation existed alongside continued centralization in late Qing and early Republican China. By analyzing new archival material and existing scholarship, the piece argues that external intervention helped preserve the viability of a single Chinese state even as the same phenomenon also spurred ongoing fractionalization. Because major powers' governments generally saw China as an area of secondary strategic import, they tried to avoid armed conflict over the polity and seek accommodation. Since outside powers diverged in their objectives, they settled on sponsoring indigenous partners, notably various militarists as well as the Chinese Nationalists, to sustain a degree of central government rule alongside substantial regional autonomy. In re-considering the effects of foreign intervention, this article engages the discussion on political consolidation in the late Qing and early Republic, and suggests that overly stressing integration or division tends to present incomplete accounts of the issue. 相似文献