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   20942篇
  免费   641篇
各国政治   920篇
工人农民   816篇
世界政治   1716篇
外交国际关系   697篇
法律   12571篇
中国共产党   3篇
中国政治   102篇
政治理论   4556篇
综合类   202篇
  2020年   260篇
  2019年   307篇
  2018年   398篇
  2017年   476篇
  2016年   498篇
  2015年   370篇
  2014年   411篇
  2013年   2102篇
  2012年   514篇
  2011年   523篇
  2010年   429篇
  2009年   461篇
  2008年   550篇
  2007年   569篇
  2006年   548篇
  2005年   491篇
  2004年   496篇
  2003年   511篇
  2002年   471篇
  2001年   792篇
  2000年   739篇
  1999年   602篇
  1998年   342篇
  1997年   287篇
  1996年   238篇
  1995年   251篇
  1994年   286篇
  1993年   259篇
  1992年   413篇
  1991年   436篇
  1990年   410篇
  1989年   417篇
  1988年   384篇
  1987年   403篇
  1986年   418篇
  1985年   424篇
  1984年   352篇
  1983年   382篇
  1982年   301篇
  1981年   276篇
  1980年   220篇
  1979年   288篇
  1978年   205篇
  1977年   170篇
  1976年   161篇
  1975年   155篇
  1974年   185篇
  1973年   166篇
  1972年   145篇
  1970年   121篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
21.
A method has been developed on reverse phase high performance liquid chromatography for simultaneous determination of methyl, ethyl and isopropyl alcohols under refractive index detection using pure water as the mobile phase. A good separation has been achieved between these alcohols. Detector response was linear with a detection limit of 5 mg/100 ml. Recovery studies were performed by adding known amounts of methyl and ethyl alcohols to blood, lung and liver within the range 80–90%. The reproducibility of the results was always >90%. The quantitative distribution of methyl alcohol in postmortem body tissues and fluids has been reported in three cases of poisoning.  相似文献   
22.
23.
24.
In re Browning.     
HELD: Prior judicial approval is not required for a surrogate to exercise the state constitutional right of self-determination of a patient who has become incompetent and who, while competent, specifically expressed her wishes regarding medical treatment decisions orally or in writing. The surrogate, in so exercising that right, must satisfy herself that certain requirements are met.  相似文献   
25.
During the past few decades traditional state‐centred governing arrangements have been critiqued and replaced by alternative modes of governance. Higher education is one of the public sectors where such shifts in governance have been seen. As a consequence of the reshuffling of authority and responsibilities across the different levels in Dutch higher education, universities as organizations have become important foci of attention in the system’s coordination. The main question addressed in this article is to what extent we can speak of an organizational transformation of Dutch universities. Based on conceptual ideas from researchers such as Greenwood and Hinings (1996), Ferlie et al. (1996) , and Brunsson and Sahlin‐Andersson (2000) , we use a framework that focuses attention on the concepts of the construction of identity, hierarchy and rationality to systematically analyse the various aspects of transformations of professional organizations.  相似文献   
26.
Drawing on the strategic surprise, warning-response, and foreign policy literature, this article argues that the September 11 terror attacks should be regarded as a strategic surprise and examines a number of key factors that contributed to vulnerability and inhibited vigilance. Three broad explanatory "cuts" derived from the literature—psychological, bureau-organizational, and agenda-political—are deployed to sift through the rapidly expanding empirical record in an effort to shed light on the processes and contextual factors that left the United States vulnerable to the attacks. The article aims to improve our understanding of generic processes and practices that enhance or detract from vulnerability and vigilance.  相似文献   
27.
Jorge Sanjinés' 1960s films Revolución and Ukamau challenge the class and ethnic hierarchies of Bolivian society by casting the proletarian and indigenous masses as revolutionary liberators. The new national imaginary they evoke is tightly bound to the experimental cinematic techniques they employ, since their rejection of rationalist, realist aesthetics signals a partial undermining of the linear time of the modern nation. Ukamau both recalls and resists previous Bolivian indigenismo, which sought to co‐opt the Indian into a national mestizo consciousness. Its exoticist portrayal of the Indian ultimately limits its political effectiveness, but textual and contextual analyses show subversive Indian agency leaking through.  相似文献   
28.
29.
Corporate governance theory suggests that companies with dispersed and indirect ownership suffer from agency costs. A worst case is where several political authorities jointly own a company, which allows managers to operate with inferior efficiency. In political economy, the manager is not the major agency problem. Elected politicians may impair efficiency to improve their re‐election prospects. Since politicians have less influence in jointly owned firms, such companies are expected to perform better than those owned by a single public authority. Consistent with corporate governance – but not political economy – the empirical analysis suggests that dispersed municipal ownership impairs cost efficiency. In the Norwegian case of municipal refuse collection presented here, costs of dispersed ownership often outstrip gains from economies of scale. Use of jointly owned companies is not necessarily a proper response to efficiency problems inherent a fragmented local government structure.  相似文献   
30.
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