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   9972篇
  免费   117篇
各国政治   361篇
工人农民   1178篇
世界政治   395篇
外交国际关系   414篇
法律   5579篇
中国政治   5篇
政治理论   2143篇
综合类   14篇
  2024年   3篇
  2023年   25篇
  2022年   18篇
  2021年   35篇
  2020年   65篇
  2019年   96篇
  2018年   1363篇
  2017年   1305篇
  2016年   1107篇
  2015年   136篇
  2014年   130篇
  2013年   347篇
  2012年   283篇
  2011年   994篇
  2010年   1050篇
  2009年   614篇
  2008年   791篇
  2007年   760篇
  2006年   60篇
  2005年   102篇
  2004年   220篇
  2003年   179篇
  2002年   54篇
  2001年   32篇
  2000年   35篇
  1999年   18篇
  1998年   26篇
  1997年   19篇
  1996年   25篇
  1995年   41篇
  1994年   29篇
  1993年   11篇
  1992年   6篇
  1991年   7篇
  1990年   6篇
  1989年   3篇
  1987年   6篇
  1985年   4篇
  1984年   15篇
  1983年   10篇
  1982年   8篇
  1979年   6篇
  1978年   7篇
  1977年   11篇
  1974年   4篇
  1972年   4篇
  1971年   2篇
  1967年   3篇
  1966年   2篇
  1965年   2篇
排序方式: 共有10000条查询结果,搜索用时 296 毫秒
781.
The fact that university degrees are accepted throughout Europe has led to the founding of medical faculties, especially in Central and Eastern Europe, that offer medical studies in German or English and thus attracting students from richer Western European countries like Germany. Unlike medical studies in Germany, access to these foreign universities is not dependent on the final school exam grade, but on the ability to pay high tuition fees. The article compares the social class background of medicine students in Germany with German medicine students in Hungary. The analysis shows that the percentage of medicine students who come from higher social classes is even higher in Hungary than it already is in Germany. Studying medicine in Hungary primarily serves as an immediate reproduction of the parents’ profession as many of German medicine students in Hungary have a parent who belongs to the medical profession. The case of German students studying medicine abroad illustrates how Europeanization and Globalization have changed the reproduction of social inequalities; upper classes profit most from the new opportunities.  相似文献   
782.
The article has two objectives: First, pursuant to the recent papers on a “sociology of (e)valuation,” an extension of Bourdieusian field theory will be presented, which reacts to three problems with this theory that were expressed in the critical reception: the immanent tendency to emphasize reproduction more strongly than transformation; the disregarding of technology; and the simple dualism of cultural and economic logic. To begin with, a dynamization of the research program will be undertaken, in that fault lines and transformation dynamics will be revealed that could lead to the invalidation of Pierre Bourdieu’s strict homological assumptions. Following up on that, it will be shown how technology, which was neglected by Bourdieu, can become an (external) factor that causes fundamental changes in fields. Finally, in connection with Jörn Lamla’s reflections on “cultural capitalism” and through a differentiation of the concept of the instance of consecration, a level of analysis will be specified on which the transformation dynamics under discussion can be observed. Secondly, the successful integration of technology in new forms of consecration in the field of pop music will be examined. On the basis of the reaction of classical pop-music journalism to the new value assignment instances that have arisen through digitalization, it can be shown that the challenge arising from new forms of consecration results in negotiatory processes in the field of pop music journalism in which various repositionings in the relationship of cultural and economic logics appear.  相似文献   
783.
784.
785.
In the case reported here, the antemortem computed tomography scan (CT scan) was essential in the forensic investigation. A 32‐year‐old man was found fully awake with a facial abrasion, after what seemed to be a car accident. He lost consciousness suddenly one hour after initial management. Successive CT scan showed a facial fracture and a metallic foreign body in the carotid canal associated with an occlusion/dissection of the left internal carotid, a pseudoaneurysm, and a carotid‐cavernous fistula. The victim died from a stroke. Autopsy confirmed that the facial abrasion was a gunshot entrance wound, the metallic foreign body being a projectile. Intracranial vascular injuries linked with gunshot wounds are most of the time isolated and due to pelet embolism. The observed vascular injury association has never been described in the existing literature. The CT scan provided a better understanding of the chronology of events that led to death.  相似文献   
786.
Significant efforts are being devoted to the development of methods enabling rapid generation of short tandem repeat (STR) profiles in order to reduce turnaround times for the delivery of human identification results from biological evidence. Some of the proposed solutions are still costly and low throughput. This study describes the optimization of an analytical process enabling the generation of complete STR profiles (single‐source or mixed profiles) for human identification in approximately 5 h. This accelerated process uses currently available reagents and standard laboratory equipment. It includes a 30‐min lysis step, a 27‐min DNA extraction using the Promega Maxwell®16 System, DNA quantification in <1 h using the Qiagen Investigator® Quantiplex HYres kit, fast amplification (<26 min) of the loci included in AmpF?STR® Identifiler®, and analysis of the profiles on the 3500‐series Genetic Analyzer. This combination of fast individual steps produces high‐quality profiling results and offers a cost‐effective alternative approach to rapid DNA analysis.  相似文献   
787.
788.
789.
790.
Legislators are thought to delegate policymaking authority to administrative actors either to avoid blame for controversial policy or to secure policy outcomes. This study tests these competing perspectives and establishes that public attention to policymaking is a powerful predictor of the extent to which significant United States statutes delegate authority to the executive branch. Consistent with the policy‐concerns perspective, by one calculation statutes dealing with high‐attention issues entail 48 percent fewer delegating provisions than statutes dealing with low‐attention issues – a far stronger relationship than is typically found in the delegation literature. As per the blame‐avoidance perspective, a number of additional analyses yield results consistent with the notion that fears about future public attention motivate statutory delegation if legislative conflict is sufficiently great. Overall, however, the results suggest that conflict typically is not sufficiently great and that legislators are generally more inclined to limit statutory delegation when the public is paying attention.  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