全文获取类型
收费全文 | 787篇 |
免费 | 24篇 |
专业分类
各国政治 | 23篇 |
工人农民 | 37篇 |
世界政治 | 64篇 |
外交国际关系 | 37篇 |
法律 | 411篇 |
中国政治 | 12篇 |
政治理论 | 227篇 |
出版年
2022年 | 4篇 |
2021年 | 6篇 |
2020年 | 17篇 |
2019年 | 16篇 |
2018年 | 22篇 |
2017年 | 29篇 |
2016年 | 24篇 |
2015年 | 16篇 |
2014年 | 23篇 |
2013年 | 88篇 |
2012年 | 26篇 |
2011年 | 30篇 |
2010年 | 18篇 |
2009年 | 15篇 |
2008年 | 22篇 |
2007年 | 19篇 |
2006年 | 32篇 |
2005年 | 29篇 |
2004年 | 21篇 |
2003年 | 27篇 |
2002年 | 19篇 |
2001年 | 11篇 |
2000年 | 15篇 |
1999年 | 6篇 |
1998年 | 16篇 |
1997年 | 13篇 |
1996年 | 7篇 |
1995年 | 12篇 |
1994年 | 13篇 |
1993年 | 16篇 |
1992年 | 14篇 |
1991年 | 6篇 |
1990年 | 14篇 |
1989年 | 16篇 |
1988年 | 16篇 |
1987年 | 16篇 |
1986年 | 7篇 |
1985年 | 11篇 |
1984年 | 10篇 |
1983年 | 6篇 |
1981年 | 9篇 |
1980年 | 5篇 |
1979年 | 4篇 |
1977年 | 6篇 |
1976年 | 6篇 |
1974年 | 4篇 |
1973年 | 9篇 |
1969年 | 6篇 |
1967年 | 4篇 |
1965年 | 7篇 |
排序方式: 共有811条查询结果,搜索用时 15 毫秒
741.
Kimone M. Antoine B.S. Shirin Mortazavi Angela D. Miller M.S. Lisa M. Miller Ph.D. 《Journal of forensic sciences》2010,55(2):513-518
Abstract: The identification of aged latent fingerprints is often difficult, especially for those of children. To understand this phenomenon, the chemical composition of children’s versus adults’ latent fingerprints was examined over time using Fourier transform infrared microscopy. Hierarchical cluster analysis revealed that children’s and adults’ prints were distinguishable for up to 4 weeks after deposition, based on differences in sebum composition. Specifically, adults had a higher lipid content than children, but both decreased over time, attributable to the volatility of free fatty acids. The aliphatic CH3, aliphatic CH2, and carbonyl ester compositions changed differently in adults versus children over time, consistent with higher cholesterol and cholesteryl esters in children’s prints and wax esters and glycerides in adults’ prints. Thus, fingerprint composition changes with time differently in children versus adults, making it a sensitive metric to estimate the age of an individual, especially when the age of the print is known. 相似文献
742.
Mary A. Bush D.D.S. Raymond G. Miller D.D.S. Peter J. Bush B.S. Robert B. J. Dorion D.D.S. 《Journal of forensic sciences》2009,54(1):167-176
Abstract: In bitemark analysis, the forensic odontologist must consider how the biomechanical properties of the skin contribute to distortion of the bitemark. In addition, one must consider how the bitemark can be distorted by postural movement of the victim after the bite has occurred. A fundamental review of the architecture and biomechanical properties of the dermis is described and evaluated through bites made on cadavers. In order to assess distortion, 23 bites from a single characterized dentition were made on un‐embalmed cadaver skin. Bite indentations were photographed. Following various body manipulations they were re‐photographed in different positions. Hollow volume overlays of the biting dentition were constructed, and metric analysis of the dentition and all bitemarks was completed. The overall intercanine, mesial to distal, and angle of rotation distortion was calculated. Of the 23 bites made, none were measurably identical, and in some cases, dramatic distortion was noted. 相似文献
743.
Mahra Nourbakhsh M.D. Ph.D. Angela Miller M.D. Jeff Gofton M.D. Graham Jones Ph.D. Bamidele Adeagbo M.D. 《Journal of forensic sciences》2019,64(1):270-274
Cannabinoid hyperemesis syndrome (CHS) is one of the more clinically challenging effects of cannabis consumption. It is characterized by cyclic attacks of nausea and vomiting in chronic cannabinoid users and learned behavior of compulsive hot bathing. The deaths of a 27‐year‐old female, a 27‐year‐old male, and a 31‐year‐old male with a history of CHS are reported. The decedents had a history of cyclical nausea and vomiting, chronic cannabinoid use and negative laboratory, radiological and endoscopic findings. All presented to the emergency department with nausea and vomiting in the days preceding death and were treated symptomatically. Toxicological analysis revealed tetrahydrocannabinol in postmortem blood. The cause of death of two of the three cases was attributed to CHS. CHS was appreciated in the third case but was not the cause of death. These three cases demonstrate the importance of recognizing CHS as a potential cause or contributing factor to death in cannabinoid user. 相似文献
744.
Catherine Kaukinen Kim Anderson Jana L. Jasinski Elizabeth Ehrhardt Mustaine Ráchael A. Powers Michelle Hughes Miller 《Women & Criminal Justice》2018,28(3):189-211
Although researchers have made numerous advances in the understanding of the nature, extent, and dynamics of violence against women (VAW), there is an ever-increasing need for data used in academic research and within policy decision-making to be collected via rigorous methodological designs to accurately measure the incidence and impact of VAW. What is now needed are research collaborations within an interdisciplinary research cluster that will expand understanding of the complex nature of VAW. The current article details an agenda or “call to action” to address deficiencies and advance VAW research, in addition to informing VAW intervention and prevention efforts. 相似文献
745.
Ross Deuchar Thomas Friis Søgaard Chris Holligan Kate Miller Anthony Bone Lisa Borchardt 《Journal of Scandinavian Studies in Criminology & Crime Prevention》2018,19(2):187-203
Community-oriented social capital strategies and punitive-oriented policing approaches conflict. Establishing local networking initiatives with community-oriented policing at the centre lends itself to an assets-based policing approach, based on honouring, mobilizing and extending the assets of community members. Scholars argue about the need for comparative research on convergences and divergencies across subcultures on the streets and communities. Based on qualitative data gathered from working class communities in Scotland and Denmark in 2014, the article draws inspiration from community-generated theory of social capital to explore the micro-sociology of experiences and understandings about community–police integration policy initiatives. We use this perspective to argue that the building of positive inter-generational and police–community relationships is the result of social exchanges and officers’ use of what we call ‘constructive investment strategies’. Ironically, our insights from Scotland to Denmark also suggest what appear as positive achievements of community policing may instead intensify residents’ negative perceptions of police officers and organizations. In this way, the article illuminates the tangled and conflicted nature of these embedded symbolic interactions, social capital formations and the latter’s form as a potential positional and ‘tribal’ commodity. 相似文献
746.
747.
Tim R. Miller 《政策研究评论》1985,5(2):395-412
This paper tests the popular thesis that as a result of various changes over the past decade, the subsystemliron triangle model is no longer the central dynamic in federal water policymaking. A cross section of 30 authorities were interviewed on two aspects of this key dispute: (a) the extent to which iron triangle tenets were either central (traditional viewpoint) or secondary (revisionist viewpoint) to the Carter administrationls 1977 water projects "hit list" 81 defeat, 11 and (b) perceptions of the viability of the leading water alliances in the years since the hit list events. Major findings: (1) Although the two leading water subsystems are portrayed as having been weakened by recent challenges, they are viewed by subsystem insidersll and "outsiders" alike as the most powerful of six alternative explanations for the Carter "defeat." (2) The alliances are largely pursuing a strategy aimed at adapting (Ripley and Franklinls "adapting subsystems") to the threatening political climate based on extensive funding for operations and maintenance. (3) The argument is advanced that the traditional-revisionist dispute is bridged by cyclical policy dynamics, labeled the policy pacing dimension. 相似文献
748.
749.
States have implemented a number of strategies to provide services, pay providers, and control Medicaid spending. We test the effects of some differences in state Medicaid policies on program enrollees' access to and use of health care services. Logistic and OLS regression analyses of cross-sectional data indicate that these policies exert significant influences on enrollees' access to health services but have a weaker direct effect on their use of them. However, we find evidence that utilization is affected indirectly (through increased access) by state policy decisions. Somewhat surprisingly, Medicaid policies designed to contain costs by limiting utilization appear to affect neither access nor utilization. Medicaid enrollees have greater access to a private physician in states with higher physician reimbursement and additional Medicare insurance for their enrollees. Other nonpolicy variables with pronounced impacts on access to private office physicians include race and the availability of private insurance. 相似文献
750.