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   817篇
  免费   37篇
各国政治   100篇
工人农民   25篇
世界政治   69篇
外交国际关系   48篇
法律   379篇
中国共产党   1篇
中国政治   7篇
政治理论   220篇
综合类   5篇
  2023年   4篇
  2022年   4篇
  2021年   5篇
  2020年   17篇
  2019年   21篇
  2018年   22篇
  2017年   28篇
  2016年   31篇
  2015年   27篇
  2014年   29篇
  2013年   141篇
  2012年   22篇
  2011年   20篇
  2010年   25篇
  2009年   16篇
  2008年   24篇
  2007年   20篇
  2006年   31篇
  2005年   31篇
  2004年   26篇
  2003年   34篇
  2002年   38篇
  2001年   10篇
  2000年   12篇
  1999年   13篇
  1998年   22篇
  1997年   18篇
  1996年   10篇
  1995年   6篇
  1994年   12篇
  1993年   16篇
  1992年   9篇
  1991年   8篇
  1990年   7篇
  1989年   11篇
  1988年   17篇
  1987年   4篇
  1986年   4篇
  1985年   3篇
  1984年   6篇
  1983年   3篇
  1982年   5篇
  1981年   5篇
  1979年   7篇
  1978年   5篇
  1975年   3篇
  1973年   3篇
  1972年   3篇
  1970年   2篇
  1968年   2篇
排序方式: 共有854条查询结果,搜索用时 15 毫秒
701.
The adoption of agricultural technologies, whether developed through biotechnology or other methods, depends on social, political, regulatory and biological parameters. This article first presents an example of a low-input, non-biotechnological method of pest control that, while seemingly reasonable to researchers and extension agents, was not adopted by farmers. It then analyses a method for insect management developed through biotechnology that is becoming widely adopted: transgenic plants expressing insecticidal proteins from the bacterium Bacillus thuringiensis (Bt). Globally increasing adoption of Bt plants, by small and large farmers in both low- and high- income countries requires explanation in terms of biological properties of cropping systems and insect populations, alternative control techniques and social policy considerations.  相似文献   
702.
703.
Abstract

This paper assesses the major forms of federal housing assistance and compares the relative value of each in meeting the housing needs of the nation's low‐ and moderate‐income households. Programs are first identified and described. A ranking system, based on nine criteria of desirability, is then developed and used to compare the programs. The evaluation system presented in this paper represents one method of determining how to allocate scarce federal housing assistance funds. The subjective nature of the evaluation process dictates that other criteria and weighting systems may be legitimately applied. However, to provide a clear decision‐making framework, any such system should clearly explain its assumptions and rationales.  相似文献   
704.
Policy Sciences - This contribution investigates how combinations of instruments, often called policy mixes, enhance policy learning processes at different levels. It analyzes the European...  相似文献   
705.
Myanmar’s Rohingya conflict is arguably the most sensitive and complex issue facing the country, both in terms of the extent of physical and social destruction, and the impact on Myanmar’s domestic reform and international standing. The scale of human suffering is mind-numbing, the reactions of Aung San Suu Kyi and the Myanmar authorities baffling. However, too much international commentary is reductionist, flattening multiparty and multifaceted sociopolitical dynamics into a simple narrative, which is detrimental to understanding and responding to the conflict. This paper attempts to make sense of some of this complexity, firstly by addressing several common misperceptions of the conflict, then analysing it from a variety of theoretical perspectives. The first misconception is that this conflict is not new, but significant antecedents date back at to at least World War II, if not before. The second is that this conflict is not merely about state oppression of a despised and vulnerable ethno-religious minority, but rather a multipolar conflict with conflict and violence, driven by mutual existential fears and deeply historical grievances on all sides, by at least three key actors. This multipolarity needs to be better understood but outsiders seeking resolution of the conflict. And finally, the third is that this conflict is not primarily about the denial of citizenship and statelessness of the Muslims, as significant as this is, but about definition of the political community in Myanmar and the politics of inclusion/exclusion in governance. Framing this as an ‘intractable conflict’, this paper then examines the drivers of conflict from the perspective of an ethnic security dilemma, a double minority complex, and the political economy, arriving at conclusions about the nature of the conflict and sounding a final warning about a potential moral hazard arising from the way international support is framed and offered.  相似文献   
706.
707.
708.
709.
710.
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