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   3141篇
  免费   112篇
各国政治   192篇
工人农民   108篇
世界政治   263篇
外交国际关系   199篇
法律   1383篇
中国共产党   1篇
中国政治   41篇
政治理论   1007篇
综合类   59篇
  2023年   21篇
  2022年   15篇
  2021年   29篇
  2020年   45篇
  2019年   78篇
  2018年   92篇
  2017年   103篇
  2016年   106篇
  2015年   81篇
  2014年   116篇
  2013年   463篇
  2012年   111篇
  2011年   85篇
  2010年   81篇
  2009年   99篇
  2008年   98篇
  2007年   113篇
  2006年   103篇
  2005年   94篇
  2004年   103篇
  2003年   96篇
  2002年   97篇
  2001年   62篇
  2000年   55篇
  1999年   55篇
  1998年   43篇
  1997年   39篇
  1996年   41篇
  1995年   44篇
  1994年   47篇
  1993年   46篇
  1992年   41篇
  1991年   34篇
  1990年   23篇
  1989年   41篇
  1988年   27篇
  1987年   29篇
  1986年   28篇
  1985年   36篇
  1984年   44篇
  1983年   35篇
  1982年   35篇
  1981年   32篇
  1980年   28篇
  1979年   16篇
  1978年   17篇
  1977年   16篇
  1975年   17篇
  1974年   14篇
  1973年   17篇
排序方式: 共有3253条查询结果,搜索用时 0 毫秒
131.
This ‘Viewpoint’ assesses some recent approaches to the study of feminisms across the globe during the c. 1870–1930 period. At a moment when historians are working towards the commemoration of women's partial enfranchisement in Britain in 1918, we consider the intellectual frameworks that most effectively celebrate this achievement whilst also situating the Act within its complex, global context. Reflecting on discussions held at a recent workshop at the University of Oxford, we advocate the effectiveness of a global and comparative methodological approach to question what ‘feminism’ meant to contemporary campaigners. The scrutiny of localised and national issues within comparative and global contexts illuminates the plurality of definitions, vocabularies, and categories relating to feminism that were being used (and rejected) during this era and raises broader questions for the study and practice of feminist history.  相似文献   
132.
Mauricio Font, The State and the Private Sector in Latin America: The Shift to Partnership. New York: Palgrave Macmillan, 2015. Figure, bibliography, appendixes, index, 318 pp.; hardcover $100, ebook $79.99. Tracy Beck Fenwick, Avoiding Governors: Federalism, Democracy, and Poverty Alleviation in Brazil and Argentina. Notre Dame: University of Notre Dame Press, 2016. Tables, figures, acronyms, bibliography, index, 277 pp.; hardcover $75, paperback $29. Michael Reid, Brazil: The Troubled Rise of a Global Power. New Haven: Yale University Press, 2016 [2014]. Illustrations, 352 pp.; paperback $22. Ben Ross Schneider, ed., New Order and Progress: Development and Democracy in Brazil. New York: Oxford University Press, 2016. Tables, figures, bibliography, index, 328 pp.; hardcover $99, paperback $31.95, ebook. Anthony P. Maingot, Race, Ideology, and the Decline of Caribbean Marxism. Gainesville: University Press of Florida, 2015. Index, 368 pp.; hardcover $79.95. Sebastián Ureta, Assembling Policy: Transantiago, Human Devices, and the Dream of a World‐Class Society. Cambridge: MIT Press, 2015. Photographs, figures, abbreviations, bibliography, index, 224 pp.; hardcover $39, ebook $27. Carlos de la Torre, De Velasco a Correa: insurreciones, populismos y elecciones en Ecuador, 1944–2013. Quito: Corporación Editora Nacional, 2015. Tables, bibliography, 243 pp.; paperback. Sebastian E. Bitar, US Military Bases, Quasi‐Bases, and Domestic Politics in Latin America. New York: Palgrave Macmillan, 2016. Map, figures, tables, notes, bibliography, index, 220 pp.; hardcover $110, ebook $79.99.  相似文献   
133.
Although proprietary medicines and decoction of processed aconite roots are the most widely used, tincture accounts for the great majority of aconite poisoning cases in China, indicating that it is much more toxic than other formulations. Aconite tincture is often self-prepared at home and raw aconite plants or roots are often used. Even if processed aconite roots were used to make the tincture, the amount of Aconitum alkaloids is highly variable, depending on the adequacy of processing and quality control. Aconitum alkaloids dissolve efficiently in alcohol. For these reasons, tincture contains very high concentrations of Aconitum alkaloids. Despite its high intrinsic toxicity, overdose of aconite tincture by the users has been common. Severe aconite poisoning can be complicated by fatal ventricular tachyarrhythmias and asystole. The public should be repeatedly warned of the danger of taking aconite tincture by mouth.  相似文献   
134.
In China, urban middle class mobilization against potential pollution risk has become increasingly common. This article examines this phenomenon through a detailed case study of a 2009 anti‐waste incinerator campaign in the Panyu District of Guangzhou, which culminated in a sizeable public protest and government U‐turn. This episode revealed tension between the narrow, state‐centered regulatory model fixated on end‐of‐pipe pollution control, and a much broader decentered approach advocated – and practiced – by project opponents, which incorporated public consultation and much greater emphasis on upstream waste reduction and sorting. In the process, the Panyu campaign progressed beyond a case of “regulation by escalation,” whereby beneficial regulations are belatedly enforced following populist pressure. Instead, it transformed into an open dialogue between a plurality of actors, including citizens, journalists, experts, and officials, about what regulation should constitute and who should determine acceptable levels of risk. By focusing on the processes through which regulatory issues emerged and changed during the Panyu campaign, this article highlights the regulatory dynamism of environmental mobilization in a context of regulatory uncertainty, and campaigns against “locally unwanted land uses” more broadly.  相似文献   
135.
136.
This study examines the roles of the executive budgetary proposal, the executive veto, the legislative override, and legislative uncertainty about the executive's preferences in determining the outcome of a budgetary process. A sequential model of the budgetary process with three institutional agents — a legislature, an appropriations committee, and an executive — is presented. To focus attention on the executive proposal, the veto, the override provision, and uncertainty, simplifying assumptions are made: (1) the appropriations committee has monopoly agenda power, and (2) there is a closed amendment control rule. In order to characterize sequential equilibria of various combinations of veto rules and override provisions, we examine a particular arrangement of agents' preferences and a two item budget. The results demonstrate that the final budget depends critically on the executive proposal, the executive veto rule, the override provision, and the uncertainty. We achieve three striking results. First, the executive proposal may be effective in reducing the frequency of the exercised veto. Second, for a given override provision, a movement from the item veto to the item reduction veto leaves the executive worse off in some cases. Third, with the same change in institutions, the government budget may increase.  相似文献   
137.
Synthetic cannabinoids are sprayed onto plant material and smoked for their marijuana‐like effects. Clandestine manufacturers modify synthetic cannabinoid structures by creating closely related analogs. Forensic laboratories are tasked with detection of these analog compounds, but targeted analytical methods are often thwarted by the structural modifications. Here, direct analysis in real time coupled to accurate mass time‐of‐flight mass spectrometry (DART‐TOF‐MS) in combination with liquid chromatography quadruple time‐of‐flight mass spectrometry (LC‐QTOF‐MS) are presented as a screening and nontargeted confirmation method, respectively. Methanol extracts of herbal material were run using both methods. Spectral data from four different herbal products were evaluated by comparing fragmentation pattern, accurate mass and retention time to available reference standards. JWH‐018, JWH‐019, AM2201, JWH‐122, 5F‐AKB48, AKB48‐N‐(4‐pentenyl) analog, UR144, and XLR11 were identified in the products. Results demonstrate that DART‐TOF‐MS affords a useful approach for rapid screening of herbal products for the presence and identification of synthetic cannabinoids.  相似文献   
138.
139.
Charles Peirce’s semeiotic is inseparable from his account of the three categories of experience and his metaphysics. The discussion summarizes his account of the categories and considers the way they have ontological implications. These implications are then focused on Peirce’s Apapism, which is his way of referring to a theory of evolution. Finally, some suggestions are offered for a way the semeiotic with the metaphysical implications, especially their relevance for a theory of evolution, propose how Peirce might apply them for questions of jurisprudence.
Carl R. HausmanEmail:
  相似文献   
140.
Much attention has been paid to the nature of parent-adolescent relationships, with a frequent conclusion being that it is a time of marked disagreement between parents and their adolescents. However, other literature suggests that this time is not inherently conflictual. The purpose of this study was to examine agreement and disagreement between mothers, fathers, and adolescents on specific issues. Then, adolescent adjustment was assessed, and the degree to which it was a function of congruence with parents was examined. A modified version of the Issues Checklist was used to measure intrafamily agreement; the Revised Behavior Problem Checklist and the Harter Scale of Child's Actual Competence were completed by adolescents' social studies teachers to assess adolescent functioning. Relative to their parents, adolescents reported that they should make more decisions alone, while both mothers and fathers reported that decisions should be made jointly among all family members. Only father-adolescent congruence was found consistently to be related to adolescent functioning. Possible explanations for the present results and relevant issues pertaining to family agreement are discussed.  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