全文获取类型
收费全文 | 959篇 |
免费 | 47篇 |
专业分类
各国政治 | 37篇 |
工人农民 | 60篇 |
世界政治 | 70篇 |
外交国际关系 | 55篇 |
法律 | 487篇 |
中国政治 | 15篇 |
政治理论 | 272篇 |
综合类 | 10篇 |
出版年
2023年 | 11篇 |
2022年 | 6篇 |
2021年 | 14篇 |
2020年 | 33篇 |
2019年 | 23篇 |
2018年 | 37篇 |
2017年 | 42篇 |
2016年 | 50篇 |
2015年 | 35篇 |
2014年 | 43篇 |
2013年 | 134篇 |
2012年 | 35篇 |
2011年 | 23篇 |
2010年 | 30篇 |
2009年 | 43篇 |
2008年 | 37篇 |
2007年 | 53篇 |
2006年 | 36篇 |
2005年 | 43篇 |
2004年 | 24篇 |
2003年 | 35篇 |
2002年 | 23篇 |
2001年 | 17篇 |
2000年 | 17篇 |
1999年 | 13篇 |
1998年 | 15篇 |
1997年 | 9篇 |
1996年 | 7篇 |
1995年 | 10篇 |
1994年 | 8篇 |
1993年 | 6篇 |
1992年 | 10篇 |
1991年 | 5篇 |
1990年 | 4篇 |
1989年 | 5篇 |
1988年 | 9篇 |
1986年 | 5篇 |
1985年 | 5篇 |
1984年 | 4篇 |
1983年 | 2篇 |
1982年 | 7篇 |
1981年 | 8篇 |
1980年 | 2篇 |
1979年 | 6篇 |
1978年 | 2篇 |
1977年 | 7篇 |
1976年 | 2篇 |
1975年 | 2篇 |
1970年 | 3篇 |
1968年 | 2篇 |
排序方式: 共有1006条查询结果,搜索用时 15 毫秒
981.
Eric J. Bartelink Ph.D. Sabrina B. Sholts Ph.D. Colleen F. Milligan Ph.D. Traci L. Van Deest Ph.D. Sebastian K.T.S. Wärmländer Ph.D. 《Journal of forensic sciences》2015,60(4):1068-1073
Since the 1980s, cremation has become the fastest growing area of the U.S. funeral industry. At the same time, the number of litigations against funeral homes and cremation facilities has increased. Forensic anthropologists are often asked to determine whether the contents of an urn are actually cremated bone, and to address questions regarding the identity of the remains. This study uses both metric and chemical analyses for resolving a case of contested cremains. A cremains weight of 2021.8 g was predicted based on the decedent's reported stature and weight. However, the urn contents weighed 4173.5 g. The urn contents also contained material inconsistent with cremains (e.g., moist sediment, stones, ferrous metal). Analysis using XRD and SEM demonstrated that the urn contained thermally altered bone as well as inorganic material consistent with glass fiber cement. Although forensically challenging, cremains cases such as this one can be resolved using a multidisciplinary approach. 相似文献
982.
Jalayne J. Arias Genevieve Pham-Kanter Eric G. Campbell 《Journal of Law and the Biosciences》2015,2(1):56-68
The 1996 Bermuda Principles launched a new era in data sharing, reflecting a growing belief that the rapid public dissemination of research data was crucial to scientific progress in genetics. A historical review of data sharing policies in the field of genetics and genomics reflects changing scientific norms and evolving views of genomic data, particularly related to human subjects’ protections and privacy concerns. The 2013 NIH Draft Genomic Data Sharing (GDS) Policy incorporates the most significant protections and guidelines to date. The GDS Policy, however, will face difficult challenges ahead as geneticists seek to balance the very real concerns of research participants and the scientific norms that propel research forward. This article provides a novel evaluation of genetic and GDS policies’ treatment of human subjects’ protections. The article examines not only the policies, but also some of the most pertinent scientific, legal, and regulatory developments that occurred alongside data sharing policies. This historical perspective highlights the challenges that future data sharing policies, including the recently disseminated NIH GDS Draft Policy, will encounter. 相似文献
983.
Eric Daly 《北京周报(英文版)》2015,(20):46-47
Wang Yajun, a security guard at the Central Academy of Drama, one of China’s top art institutions, from which
many of the country’s renowned actors and actresses have sprung, unveiled a book on people’s outer appearances in April. The book,which sets out criteria for judging looks, points out that good-looking people tend to acquire
more social resources and thus looks can help secure job promotions, wealth and increased social status. 相似文献
984.
Assessing the Effects of Medical Marijuana Laws on Marijuana Use: The Devil is in the Details 下载免费PDF全文
Rosalie L. Pacula David Powell Paul Heaton Eric L. Sevigny 《Journal of policy analysis and management》2015,34(1):7-31
This paper sheds light on previous inconsistencies identified in the literature regarding the relationship between medical marijuana laws (MMLs) and recreational marijuana use by closely examining the importance of policy dimensions (registration requirements, home cultivation, dispensaries) and the timing of when particular policy dimensions are enacted. Using data from our own legal analysis of state MMLs, we evaluate which features are associated with adult and youth recreational and heavy use by linking these policy variables to data from the Treatment Episode Data Set (TEDS) and National Longitudinal Survey of Youth (NLSY97). We employ differences‐in‐differences techniques, controlling for state and year fixed effects, allowing us to exploit within‐state policy changes. We find that while simple dichotomous indicators of MML laws are not positively associated with marijuana use or abuse, such measures hide the positive influence legal dispensaries have on adult and youth use, particularly heavy use. Sensitivity analyses that help address issues of policy endogeneity and actual implementation of dispensaries support our main conclusion that not all MML laws are the same. Dimensions of these policies, in particular legal protection of dispensaries, can lead to greater recreational marijuana use and abuse among adults and those under the legal age of 21 relative to MMLs without this supply source. 相似文献
985.
Eric Florence 《亚洲研究》2013,45(1):121-150
ABSTRACT With the introduction of capitalist labor relations into China certain attitudes, competencies, and values associated with global capitalism seem to be increasingly valorized. This article analyzes the values and principles ascribed to migrant workers as part of practices linked to modes of government. The author confronts the dominant form of cultural construction of migrant workers through the Shenzhen official press with migrant workers' own narratives about their experience of work (dagong) in the city as the narratives are mediated through two different sites, namely, participant observation, interviews with rural migrants, and a body of unpublished letters to the editor acquired from several magazines dedicated to migrant workers. The article sheds light on the ways in which migrant workers' narratives confirm or, on the contrary, contest the pivotal elements of the hegemonic construction. Three different narratives that migrant workers produce about their own lives and about Shenzhen are examined. These narratives range from affirmations of dominant discourses about migrant workers and expressions of disillusionment about such discourses, to strategic uses of dominant discourses to justify the claims made by migrant workers. 相似文献
986.
987.
988.
Canada's counterinsurgency in Kandahar province, Afghanistan, involved two distinct operational strategies: an initial enemy-centric strategy and, after 2009, a population-centric strategy. Using insurgent-initiated attacks against civilians as a measure for the level of control and security provided by the counterinsurgency, this article tests the effectiveness of these two strategies using a quasi-experimental research design. This article finds that a population-centric counterinsurgency strategy that aimed to provide security to the population rather than destroy the insurgency resulted in the most controlled and secure environment for the civilian population. To the extent that a secure civilian population is important for successful counterinsurgency, the post-2009 population-centric operational strategy of the Canadian Forces, International Security Assistance Force (ISAF), and the United States increased the chances of a successful counterinsurgency in Afghanistan. 相似文献
989.
Nina Caspersen Eric Gordy Jon Tonge Francesco Cavatorta Sarah A. Radcliffe Meredith Weiss 《Democratization》2013,20(2):121-141
This article addresses the concern that democratization may contribute to the reproduction of neo-patrimonialism, rather than to counteract it. The article reports the result of a survey among members of parliament in Ghana regarding their election campaigns. Total spending, sources of funds, and their usage are analysed in the context of the consolidation of liberal democracy. The survey results are supplemented with data collected in 34 interviews with MPs. The data show that MPs are involved in patron-client relationships to a significant degree to reproduce their political power. Furthermore, the prevalence of patronage politics among MPs in Ghana has increased throughout the period of democratic rule. This persistent pattern of patronage politics threatens the very heart of democratic consolidation. Vertical accountability and legitimacy is threatened by alternative pacts of loyalty, expectations of corruption, and tendencies to delegative mandates. Horizontal accountability risks pervasion by 'big man' interventions, and by insufficient allocation of time to monitoring the government and legislative activities. 相似文献
990.
Eric Neumayer 《The Review of International Organizations》2013,8(1):1-31
Whether international human rights treaties constrain the behavior of governments is a hotly contested issue that has drawn much scholarly attention. The possibility to derogate from some, but not all, of the rights enshrined in the International Covenant on Civil and Political Rights (ICCPR) during declared and officially notified states of emergency provides a hitherto unexplored test case. If governments were increasingly violating non-derogable rights during derogation periods then this provides evidence that the ICCPR has no sufficient constraining effect on state parties. I analyze whether specific individual human rights as well as two aggregate rights measures are systematically more violated during derogation periods in a global sample over the period 1981 to 2008. I find that regime type matters: autocracies step up violation of both non-derogable and derogable rights, anocracies increasingly violate some derogable and some non-derogable rights, whereas democracies see no statistically significant change in their human rights behavior during derogation periods. This result suggests that the main general international human rights treaty fails to achieve its objective of shielding certain rights from derogation where, as in autocracies and anocracies, a constraining effect would be needed most. 相似文献