首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1912篇
  免费   96篇
各国政治   169篇
工人农民   64篇
世界政治   193篇
外交国际关系   162篇
法律   768篇
中国政治   22篇
政治理论   607篇
综合类   23篇
  2023年   11篇
  2022年   6篇
  2021年   16篇
  2020年   33篇
  2019年   61篇
  2018年   55篇
  2017年   73篇
  2016年   98篇
  2015年   56篇
  2014年   70篇
  2013年   337篇
  2012年   59篇
  2011年   53篇
  2010年   57篇
  2009年   65篇
  2008年   69篇
  2007年   79篇
  2006年   78篇
  2005年   69篇
  2004年   54篇
  2003年   71篇
  2002年   66篇
  2001年   34篇
  2000年   50篇
  1999年   35篇
  1998年   49篇
  1997年   28篇
  1996年   33篇
  1995年   31篇
  1994年   23篇
  1993年   15篇
  1992年   21篇
  1991年   8篇
  1990年   20篇
  1989年   7篇
  1988年   23篇
  1987年   16篇
  1986年   5篇
  1984年   8篇
  1983年   7篇
  1982年   7篇
  1981年   7篇
  1980年   5篇
  1979年   9篇
  1978年   3篇
  1977年   8篇
  1975年   3篇
  1970年   3篇
  1965年   2篇
  1964年   2篇
排序方式: 共有2008条查询结果,搜索用时 0 毫秒
991.
According to numerous studies, the election‐year economy influences presidential election results far more than cumulative growth throughout the term. Here we describe a series of surveys and experiments that point to an intriguing explanation for this pattern that runs contrary to standard political science explanations, but one that accords with a large psychological literature. Voters, we find, actually intend to judge presidents on cumulative growth. However, since that characteristic is not readily available to them, voters inadvertently substitute election‐year performance because it is more easily accessible. This “end‐heuristic” explanation for voters’ election‐year emphasis reflects a general tendency for people to simplify retrospective assessments by substituting conditions at the end for the whole. The end‐heuristic explanation also suggests a remedy, a way to align voters’ actions with their intentions. Providing people with the attribute they are seeking—cumulative growth—eliminates the election‐year emphasis.  相似文献   
992.
The experiences of young people in developed societies such as Japan and the UK have undergone considerable change in the last 30 or so years. Our starting point is that such developments are associated with the globalization of institutions and an individualization of experience, which destabilizes life-course transitions and cultural transmission between generations. However, we continue to assert the importance of the national framework, defined by national cultures and territorial jurisdictions, in mediating global processes. Adapting Connolly's (2005. Pluralism. Durham, NC: Duke University Press) differentiation between types of politics in late modernity, we argue for a distinction to be made between being citizens and becoming citizens. Being a citizen involves integration into pre-existing collective identities such as nation-states which increasingly act to restrict membership to the citizen community. With this in mind, we compare the key sites of social recognition in Japan and the UK for young people and identify some fundamental barriers to citizenship. In addition, we discuss the ways in which conventional social and educational policy responses aimed at integrating young people into work and nation perpetuate their precarious relationship to citizenship. These processes are contrasted with becoming a citizen, which is dynamic, intimately connected to cultural learning and the creation of new civic virtues and sources of recognition.  相似文献   
993.
The wooden plank fence presents a deadly but unrecognized hazard to motorists. We hypothesize that fence plank injury is prevalent and results in significant morbidity and mortality. Databases of the University of Kentucky's Level I Trauma Center and the Fayette County Coroner were retrospectively analyzed over a 12-year period (1995-2006). One hundred and twenty-eight subjects were involved in vehicle contact with wooden plank fences. One hundred and twenty-three subjects were evaluated at the Emergency Department of our trauma center; 35 (27%) had a patient-plank interaction (PPI). Men (30/35) were more frequently involved (86%), and average age was 32.8 years. Thirty-two (91%) were drivers; 14/35 (40%) died from PPI-related injuries. The most common cause of death was blunt head trauma in 13 of these 14 fatally injured subjects (93%). This study provides new data underscoring the frequency, lethality, and economic consequences of this injury mechanism. Further research is needed to quantify the national prevalence of this problem and develop injury-mitigating strategies pertaining to roadway or fence design.  相似文献   
994.
Despite growing focus on registration and notification systems as central elements of national sex offender management practice, there has been remarkably little systematic analysis of the content of these registries and the diversity of individuals contained within them. Specifically, little research attention has been paid to examining the heterogeneity of the population of registered sex offenders — a circumstance that may obscure important distinctions within the population and, in turn, may undermine the ostensible purpose of SORN to prevent sexual victimization. Addressing this significant gap in our current knowledge, this article sets forth a national profile of the registered sex offender (RSO) population, drawn from an analysis of data on 445,127 RSOs obtained from the public registries of 49 states, Washington, DC, Puerto Rico and Guam. In contrast with the homogenized perception about registered sex offenders that permeates much public discourse, the analysis illuminates the wide diversity of registrants across a range of demographic, offense-related, registry status, and risk-oriented variables. Policy and practice implications concerning risk, prevention, and the public safety utility of sex offender registries are discussed.  相似文献   
995.
In this contribution I focus on a particular characteristic of Ronald Coase’s work, as exhibited in “The Problem of Social Cost”: his ability to force upon his audience a clearer grasp of reality than they previously held. More specifically, I aim to consider to what extent the “blackboard economics” that Coase himself derided have been avoided in a Coasean world, taking that expression to refer in some sense to a world where Coasean insights can flourish, and as such to be a world not simply of Coase’s own making but a world that has been developed by others in applying the Coase Theorem. My strategy is to interrogate the nature of a Coasean world through developing a framework that can look more closely at different approaches to theoretical modelling, the different worlds involved in these models, and the different positive and normative applications that can be derived from them. I shall further consider whether the understanding of the law that inhabits a Coasean world reflects a “real-world” legal environment. Finally, I shall seek to assess the impact of Coase’s work on our understanding of the relationship between law and economics, in our world.  相似文献   
996.
Climate policy is a relatively young and dynamic area of public policy making. However, its development has attracted far more attention than the results it delivers in practice, which of course are the concern of policy evaluators. This article attempts to provide the first systematic cataloging of the emerging patterns of policy evaluation undertaken in different parts of the European Union. Theories of policy evaluation suggest that these evaluation practices should acknowledge the inherent complexity of climate policy making, be reflexive by questioning official policy goals, and be participatory. A meta-analysis of 259 climate policy evaluations suggests that current practice engages with some but not all of these issues. This article concludes by analyzing the implications of this finding for those in the academic and practitioner community who are keen to understand the extent to which climate policy evaluation is delivering on its promises.  相似文献   
997.
This article describes the first use of an anti-Stokes material, or up-converter, for the development of latent fingermarks on a range of non-porous surfaces. Anti-Stokes materials can absorb long-wavelength light and emit light at a shorter wavelength. This property is unusual in both natural and artificial materials and so fingermark detection techniques based on anti-Stokes luminescence are potentially sensitive and selective. Latent fingermarks on luminescent and non-luminescent substrates, including Australian polymer banknotes (a well-known 'difficult' surface), were developed with sodium yttrium tetrafluoride doped with erbium and ytterbium (NaYF(4):Er,Yb) by dry powder, wet powder, and cyanoacrylate staining techniques. This study illustrates the potential of up-converter phosphors for the detection of latent fingermarks.  相似文献   
998.
This article is a response to Professor John Keown's criticism of my article "Finding a Way Through the Ethical and Legal Maze: Withdrawal of Medical Treatment and Euthanasia" (2005) 13(3) Medical Law Review 357. The article takes up and responds to a number of criticisms raised by Keown in an attempt to further the debate concerning the moral and legal status of withdrawing life-sustaining measures, its distinction from euthanasia, and the implications of the lawfulness of withdrawal for the principle of the sanctity of life.  相似文献   
999.
1000.
Fingermarks formed in or by blood often require specific development techniques. This review examines techniques and materials that may be used to enhance and record fingermarks deposited in blood or fingermarks generated by blood-contaminated papillary ridges. A large number of techniques are presented here and are discussed from a chemical as well as practical perspective. It is concluded that an optimized sequence of techniques targeting both latent (non-bloody) and bloody fingermarks must be applied to detect and enhance the maximum number of marks, and therefore optimize the information content from exhibits that may bear marks in blood.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号