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   231篇
  免费   12篇
各国政治   32篇
工人农民   5篇
世界政治   12篇
外交国际关系   8篇
法律   115篇
中国政治   1篇
政治理论   68篇
综合类   2篇
  2022年   1篇
  2021年   4篇
  2020年   6篇
  2019年   14篇
  2018年   11篇
  2017年   9篇
  2016年   11篇
  2015年   7篇
  2014年   14篇
  2013年   31篇
  2012年   16篇
  2011年   17篇
  2010年   10篇
  2009年   8篇
  2008年   11篇
  2007年   8篇
  2006年   13篇
  2005年   13篇
  2004年   7篇
  2003年   8篇
  2002年   10篇
  2001年   3篇
  2000年   5篇
  1999年   1篇
  1998年   3篇
  1995年   1篇
  1986年   1篇
排序方式: 共有243条查询结果,搜索用时 625 毫秒
61.
Do voters polarize ideologically when radical views gain political legitimacy, or does the rise of radical voices merely reflect societal conflict? We argue that elite polarization as signaled by radical parties' first entrance into parliament leads to voter divergence. Immediately after the election, legitimization and backlash effects mean that voters on both ideological sides move toward the extremes. In the longer term, this polarization is solidified because of radical parties' parliamentary presence. A panel study of Dutch voters shows that the 2002 parliamentary entrance of a radical‐right party indeed led to immediate ideological polarization across the political spectrum. Estimating time‐series cross‐sectional models on Eurobarometer data from 17 countries (1973–2016) shows an additional long‐term impact of radical‐right party entry on polarization. The presence of radical voices on the right has polarizing effects, illustrating how such institutional recognition and legitimization can have a far‐reaching impact on society.  相似文献   
62.
Niche parties, which have been defined as focusing on a narrow range of issues their competitors neglect, are a phenomenon that has so far been described and analysed primarily in Western Europe. In this paper, we extend existing work by examining the presence and nature of niche parties in Latin America. Using the expert survey data collected by [Wiesehomeier, N., and K. Benoit. 2009. “President, Parties, and Policy Competition.” The Journal of Politics 71: 1435–1447], we show that there are niche parties in most Latin American party systems. Two kinds of niche party, traditionalist and postmaterialist, predominate. We also show that niche parties, despite being defined based on issue-based characteristics, are in fact less programmatic in their linkage strategies than mainstream competitors. Instead, niche parties are slightly more likely to draw on charismatic strategies and tend to establish strong organizational links to ethnic and religious organizations. Niche parties in Latin America are primarily vehicles for the mobilization of group interests. These findings have implications for our understanding of political representation in new democracies and niche party strategies more generally.  相似文献   
63.
For forensic toxicological investigations only whole blood, but no serum is often available. Pharmacokinetic data are helpful for interpreting the results, but most of these studies indicate serum or plasma concentrations. In order to obtain reliable conversion factors which also take intersubject variability into account, the blood/serum ratios (B/S) of oxycodone, morphine, fentanyl, hydromorphone, zopiclone, MDMA, dexamphetamine, alprazolam, risperidone and 9-hydroxyrisperidone were determined by LC-MS/MS using authentic samples. Blood and corresponding serum samples were obtained from driving studies performed with controlled or known dosages of the above drugs. The analytes were analysed in blood and serum and the following mean B/S ratios (relative standard deviations) were determined: oxycodone 1.48 (8.19 %); morphine 1.03 (3.59 %); fentanyl 0.87 (13.9 %); hydromorphone 1.04 (8.11 %); zopiclone 0.89 (16.1 %); MDMA 1.19 (8.04 %); dexamphetamine 0.89 (10.9 %); alprazolam 0.81 (5.84 %); risperidone 0.65 (7.52 %); 9-hydroxyrisperidone 0.73 (12.3 %). These mean values are largely in line with those reported in the literature. The B/S ratios did not appear to depend on partition coefficients, whereas there was strong evidence that B/S ratios decreased with increasing plasma protein binding.  相似文献   
64.
Female genital mutilation (FGM) is considered to be against the law and against morality not only in Western countries, although a woman of age and able to consent may sometimes think differently. The procedure may have serious physical and emotional consequences for the girl or woman. Nevertheless there are attempts to justify the procedure with medical and hygienic pseudoarguments, ideology, freedom of religion, cultural identity and social adequacy. Outside the Western world, some people claim that religion and culture alone justify the practice. In Germany, parents can lose the right to determine the residence of their daughter, if she is faced with the risk of genital mutilation in order to prevent that the child or girl is taken to her home country. Genital mutilation as a gender-specific threat is recognized as a reason to grant asylum or prevent deportation. Proposals to make genital mutilation a separate punishable offence are presently discussed by the legislator.  相似文献   
65.
A 78-year-old woman with a history of transient ischemic attacks was found in the doorway of her house in a somnolent and unresponsive condition. In the right mandibular region, a small skin wound was localized, which was surgically treated. Six days after admission to the hospital, an exploratory craniotomy was performed because of abnormal CT findings. Apart from tissue lesions and hemorrhages a small bone fragment was detected in the right cerebral cortex, which was removed. After 11 days in hospital, the patient died from failure of central regulatory functions. At the forensic autopsy, a 15 cm long wound track running upward from the skin wound in the right mandibular region through the bony skull base to the right parietal lobe of the brain was noted. Apparently, the surgically removed bone fragment had been displaced from the right middle cranial fossa. The site of the incident in the deceased's house was inspected again and a bamboo pole used to stabilize a potted plant standing on the floor was found and sent to the trace evidence laboratory. Analysis showed blood and tissue deposits from the victim. On the basis of all the findings and the circumstances of the case, a fatal impalement injury caused by an accidental fall could be assumed.  相似文献   
66.
A comprehensive study was made, where desorption atmospheric pressure photoionization (DAPPI) was applied to the direct analysis of confiscated drugs and pharmaceuticals of various forms and matrices. The analyzed samples included herbal products [Catha edulis (khat), Psilocybe mushrooms, opium and Spice], designer drugs in tablet and powder form [e.g. meta-chlorophenylpiperazine (mCPP), 3-fluoromethamphetamine (3-FMA), methylenedioxypyrovalerone (MDPV) and methylone], and anabolic steroids in oil and tablets. The analyses were performed with ion trap mass spectrometer in MS and MS(2) modes and the obtained spectra were compared with GC-MS results. Contamination of the mass spectrometer was avoided by careful adjustment of the distance of the sample from the mass spectrometer inlet. DAPPI proved to be a fast and specific analysis technique, which does not require any sample preparation, and which therefore suits well to this type of forensic analysis.  相似文献   
67.
This paper analyzes the effects of globalization on social protection expenditures in European countries. The particular focus is on (a) the Eastern European countries and (b) on differences in globalization effects between welfare regimes. We find evidence in favor of the compensation hypothesis in Western Europe which is driven by the conservative welfare regime, outweighing the efficiency effect of globalization in the social-democratic welfare regime. In Eastern European countries the efficiency effect is predominant. No globalization effect is found for the liberal and the southern welfare regimes.  相似文献   
68.
Scientific conversations can be riddled with confusion when contributions to the discussion are based on notions about ways of knowing that remain implicit. Researchers often mix different methodological positions in their research designs because they lack an awareness of the distinctions between different ways of knowing and their associated methods. The authors engage and reflect on these differences, with particular attention to four areas: research question formulations, the character and role of concepts and theories, hypotheses versus puzzles, and case study research. They call on all researchers, both academics and practitioners, to be aware of the ways in which scientific terms serve, in research debates, as signifiers of different logics of inquiry. Awareness of these differences is important for the sake of productive scientific discussions and for the logical consistency of research, as both of the ways of knowing discussed here are legitimate scientific endeavors, albeit invoking different evaluative criteria.  相似文献   
69.
Proponents as well as critics of carbon trading underestimate the institutional and political underpinnings of evolving carbon markets. Based on institutionalist approaches, this paper argues that the strong embeddedness of carbon markets explains why certain characteristics (positive and negative) materialize. Focusing on the actors who initiate and who influence carbon markets, this article also shows that currently only states and intergovernmental agreements provide the necessary regulation for carbon markets to exist and to work. Today, neither market actors nor NGOs nor public private partnerships have the political power to set up, regulate or capture evolving market structures. Thus, whether or not market‐based instruments bring about the desired results depends on good public regulation, which is – at least up to now – represented by the state. Four instances of the commodification of carbon serve as illustrations: the European Union Emission Trading System (EU ETS); the Clean Development Mechanism (CDM); the voluntary market; and new sectoral approaches, particularly Reducing Emissions from Deforestation and Degradation (REDD+).  相似文献   
70.
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