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   18624篇
  免费   558篇
各国政治   872篇
工人农民   724篇
世界政治   1630篇
外交国际关系   729篇
法律   10850篇
中国共产党   2篇
中国政治   99篇
政治理论   4095篇
综合类   181篇
  2020年   231篇
  2019年   272篇
  2018年   367篇
  2017年   437篇
  2016年   464篇
  2015年   320篇
  2014年   378篇
  2013年   1964篇
  2012年   435篇
  2011年   473篇
  2010年   377篇
  2009年   436篇
  2008年   482篇
  2007年   515篇
  2006年   490篇
  2005年   426篇
  2004年   466篇
  2003年   457篇
  2002年   421篇
  2001年   707篇
  2000年   648篇
  1999年   530篇
  1998年   324篇
  1997年   278篇
  1996年   226篇
  1995年   236篇
  1994年   276篇
  1993年   256篇
  1992年   359篇
  1991年   389篇
  1990年   350篇
  1989年   367篇
  1988年   338篇
  1987年   357篇
  1986年   352篇
  1985年   351篇
  1984年   299篇
  1983年   331篇
  1982年   260篇
  1981年   250篇
  1980年   193篇
  1979年   250篇
  1978年   168篇
  1977年   151篇
  1976年   138篇
  1975年   124篇
  1974年   139篇
  1973年   122篇
  1972年   114篇
  1971年   95篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
131.
132.
133.
The authors examine the characteristics of threatening and otherwise inappropriate communications sent to members of the U.S. Congress by a sample of 86 subjects, 20 of whom threatened assassination. We quote excerpts from these letters and provide quantitative data on such variables as the volume, duration, form, and appearance of such communications; the enclosures; the subjects' perceived relationships to the recipients; the thematic content of the communications; and the messages and threats communicated. Comparisons between 43 subjects who pursued encounters with members of Congress and 43 who did not revealed 17 factors associated with such pursuit. In this population, threateners were significantly less likely to pursue an encounter than inappropriate letter writers who did not threaten, regardless of the type of threat or the harm threatened. Inappropriate letters to members of Congress are compared with those directed to Hollywood celebrities. Mentally disordered persons writing to public figures often mention and sometimes threaten public figures other than those to whom the letters are addressed, which raises important issues regarding notification of endangered third parties and the sharing of information among protective agencies.  相似文献   
134.
With the rapid growth of cross-border competition among currencies, informed observers predict that the new monetary unions are virtually inevitable in many parts of the world. In fact, predictions of such alliances are misleading and almost certainly wrong. Monetary unions necessarily imply a measure of collective action in the issue and management of money. An alliance requires allies—other states with similar preferences and a disposition to act cooperatively. A survey of proposed monetary unions shows that willing partners among sovereign states are just not all that plentiful. Conceivably some governments could be attracted to less demanding forms of monetary alliance, depending on bargaining context. But prospects for many full new monetary unions are dim at best.  相似文献   
135.
Bioaerosol data is often used in cases of building mold infestation alleging damage or adverse health effects upon occupants, despite the lack of consistent sampling and analytical protocols and numerical health-based standards. The most fundamental problem in these scenarios is defining a “significant” difference between a suspect indoor environment and the reference environment, regardless of the type of sampling and analysis utilized. Data interpretation focused upon differences in absolute numerical concentrations of fungi is subject to wide differences in expert opinion. On the other hand, an objective quantification of differences can be expressed in terms of probability and better meets criteria established in evidentiary rules.  相似文献   
136.
The 2003 Duma election resulted in the victory of the party of power, thereby strengthening managed democracy in Russia. Since then, political trends in Russia's regions and rural politics provide considerable evidence of the increasing ability of pro-Kremlin forces to maximise their electoral fortunes in national contests. These political trends make it likely that United Russia will not only emerge as the dominant party in the 2007 Duma election, but will provide the Kremlin and Putin's successor with a compliant lower house. The outcome is that Putin's successor will find the political infrastructure to continue managed democracy.  相似文献   
137.
There is a danger that the Rule of Law Assistance Unit of the United Nations Peacebuilding Commission will employ the same dominant but problematic paradigm that the international development community has pursued across the globe. This top-down, state-centred paradigm, sometimes known as ‘rule of law orthodoxy’, stands in contrast to an alternative set of strategies: legal empowerment. Legal empowerment involves the use of legal services, legal capacity-building and legal reform by and for disadvantaged populations, often in combination with other development activities, to increase their freedom, improve governance and alleviate poverty. It is typically carried out by domestic and international non-governmental organisations (NGOs), but also by governments and official aid agencies. This alternative approach focuses directly on the disadvantaged and integration with other development activities, which means it often operates under the de facto rubric of social development. Legal empowerment strategies vary among countries and NGOs. But their impact includes reforming gender-biased, non-state justice systems in Bangladesh; ameliorating the legal system's corruption in post-conflict Sierra Leone; keeping the human rights flame burning in post-conflict Cambodia; advancing natural resources protection and indigenous peoples' rights in Ecuador; and strengthening agrarian reform in the Philippines. Addressing such priorities can help alleviate poverty, ameliorate conflict and prevent chaos or repression from dominating the disadvantaged, particularly in conflict or post-conflict societies.  相似文献   
138.
139.
140.
A 6-month-old girl died suddenly without any previous symptoms of heart failure. Autopsy examination showed cardiomegaly (97 g) with a severely fibrotized myocardium. The left coronary artery was originating from the pulmonary artery. Histologically, the myocardium showed myocardial infarcts of different ages, as well as grossly thickened arterial branches due to increased flow in left-right shunt. We suggest that rare anomalies of the coronary arteries should be considered in the autopsies of suspected sudden infant death syndrome cases.  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