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   737篇
  免费   28篇
各国政治   48篇
工人农民   53篇
世界政治   85篇
外交国际关系   49篇
法律   337篇
中国共产党   1篇
中国政治   7篇
政治理论   180篇
综合类   5篇
  2023年   8篇
  2021年   11篇
  2020年   21篇
  2019年   23篇
  2018年   31篇
  2017年   36篇
  2016年   24篇
  2015年   18篇
  2014年   25篇
  2013年   166篇
  2012年   26篇
  2011年   30篇
  2010年   19篇
  2009年   17篇
  2008年   19篇
  2007年   26篇
  2006年   10篇
  2005年   23篇
  2004年   17篇
  2003年   19篇
  2002年   24篇
  2001年   16篇
  2000年   9篇
  1999年   12篇
  1998年   12篇
  1997年   7篇
  1996年   6篇
  1995年   4篇
  1994年   14篇
  1993年   3篇
  1992年   4篇
  1990年   6篇
  1989年   6篇
  1988年   2篇
  1987年   7篇
  1985年   6篇
  1984年   3篇
  1983年   4篇
  1982年   7篇
  1981年   3篇
  1980年   5篇
  1979年   5篇
  1978年   2篇
  1977年   3篇
  1976年   5篇
  1975年   4篇
  1971年   2篇
  1968年   2篇
  1967年   3篇
  1962年   2篇
排序方式: 共有765条查询结果,搜索用时 31 毫秒
601.
602.
This article critically assesses calls for “normativity” in counter-radicalisation and counter-extremism, and suggests that aligning with hegemonic narratives about securing the “pre-crime” space is problematic in a context of emancipation. Utilising interviews with a number of Prevent officials (including Channel “de-radicalisation” mentors), the article argues that when any counter-radicalisation regime is implemented, two traits are necessarily inherent: identity construction, and “concerned concern”, both of which are based on subjective speculation about an individual’s future intent. Identity construction in preemptive counter-terrorism works through prejudiced human imagination in order to normalise perceived and “risky” divergence, but which is mired in contradictions precisely because practitioners interpret risk (and therefore divergence) differently. Concerned concern is a paradoxical constitution both of support for and protection against individuals. Ultimately, in exploring these two concepts, the article critically engages with the notion that Prevent is “just another safeguarding duty”. Building on earlier critical terrorism scholarship, this discussion shows how worst-case logics apparent in national discourse are largely absent at the point of implementation, yet pejorative identity-construction and some suspicion (no matter how banalised) are implicit in any risk-managing scheme in a counter-terrorism context. These qualities are incompatible with an emancipatory agenda.  相似文献   
603.
While fingerprints are a highly used means of identification, not every fingerprint left behind on a potential crime scene can be used for identification purposes. In some cases, the fingerprint may be smudged, partially preserved or overlapping with other prints hence distorting the ridge pattern and may therefore be not appropriate for identification. Further, fingermark residue yields a very low abundance of genetic material for DNA analysis. In such cases, the fingermark may be used to retrieve basic donor information such as sex. The focus of this paper was to assess the possibility of differentiating between the sexes of the donor of latent fingermarks. Analytical method was GC–MS analysis of the chemical compounds of latent fingermarks using 22 male and 22 female donors. Results showed 44 identified compounds. Two alcohols, octadecanol C18 and eicosanol C20, were found to show a difference that was statistically significant between male and female donors. There is also some evidence for the possibility of distinguishing sex of the fingermark donor based on the distribution of branched chain fatty acids, as free compounds or esterified in wax esters.  相似文献   
604.
ABSTRACT

Recent scientific research has advanced the measurement of the relative performance of organizations and the efficiency of public spending, based on analyzes of the services offered and results achieved. However, from the methodological point of view, there are several methods to analyze the performance and efficiency of spending in the private and public sectors. In this sense, the present study performs a systematic bibliometric review to analyze all scientific publications on the efficiency of public spending published in the last 20 years. The results show that most cost-efficiency analyzes have been limited to education and health expenditures and have used quantitative analysis, mainly through the application of data-involution analysis. The present review is a first step in mapping scientific publications on efficiency in public spending, which will support researchers and managers to make public spending more efficient.  相似文献   
605.
The U.S. interest in Hong Kong is not for residents' welfare but to prop up its own waning influence The new $900-billion relief package signed by U.S. President Donald Trump on December 27, 2020, designed to supplement the U.S. economy over the impact of the novel coronavirus disease(COVID-19), is hardly straightforward in its purpose. It is being utilized as a vehicle for other things, which in fact have little to do with the virus or the U.S economy.  相似文献   
606.
Background: Although the prevalence of older patients in forensic psychiatric services is increasing, research around service provision for this population is very limited. We aimed to gather the views of members of staff on how well secure services are meeting the challenges of an ageing population.

Methods: Three focus groups were carried out with 13 members of staff working with older patients in secure services. A topic guide, based on the research team’s previous research, guided the sessions. The focus groups were audio-recorded, transcribed and analysed through thematic analysis.

Results: Two themes were identified: (1) Identifying patients’ needs, which focused on how promptly any emerging issues in the older patients are identified and reported; (2) addressing patients’ needs, which focused on how the unique needs of the older patients are addressed, once established.

Conclusions: There are unique age-related issues that may have an impact on the older patients’ opportunities for recovery, including a lack of specialist training for members of staff, prolonged stay in secure care and a limited number of age-relevant activities. Far from optimal, provision requires improvement through the active involvement of the primary stakeholders.  相似文献   

607.
This symposium assesses the trajectory of European Union (EU) environmental policy and integration in light of the rising pressure for policy dismantling and disintegration. This introductory article discusses the literature and the mixed evidence of EU environmental policy dismantling. Building on the three symposium articles, we investigate the role of the European Commission in this process, evaluating its role as a general ‘motor of integration’ and more specifically as an environmental policy entrepreneur. We find that the current political context does push the Commission to reconsider its entrepreneurial role and adopt the role of a ‘normalized bureaucracy’. Nonetheless, organizational features, such as new hierarchies and presidential leadership, and ideas that frame policy initiatives explain continued policy evolution and resistance to outright dismantling. Scholars should also pay close attention to implementing measures and patterns of enforcement to detect the more subtle policy shifts.  相似文献   
608.
Abstract

The proliferation of social media has created a terrorist finance vulnerability due to the ease with which propaganda can be spread, promoting fund-raising for a certain cause. Social media companies recognize the importance of preventing violent extremist and terrorist content, but less attention is paid to their fund-raising role. As well as presenting a threat, the movement of terrorist fund-raising activities online creates a disruption opportunity. This article argues that social media companies need to display greater awareness of their vulnerability to supporting terrorist financing and greater collaboration with law enforcement and financial institutions to strengthen the integrity of the system against abuse.  相似文献   
609.
This article describes the progression of gasoline additives and the environmental and health effects of the preferred gasoline additives. It discusses the need for gasoline additives, the circumstances leading to tetra-ethyl lead becoming the first gasoline additive instead of ethanol, the regulation of automobile emissions leading to the phase-out of leaded gasoline, the introduction of oxygenates such as methyl tert-butyl ether to reduce ozone concentrations in urban areas, and the reasons for banning methyl tert-butyl ether, which resulted in ethanol becoming the preferred additive today.  相似文献   
610.
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