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   71篇
  免费   3篇
各国政治   11篇
工人农民   7篇
世界政治   7篇
外交国际关系   3篇
法律   30篇
中国政治   2篇
政治理论   13篇
综合类   1篇
  2023年   1篇
  2022年   1篇
  2021年   1篇
  2020年   1篇
  2019年   1篇
  2018年   3篇
  2017年   4篇
  2016年   2篇
  2015年   3篇
  2014年   3篇
  2013年   9篇
  2012年   5篇
  2011年   3篇
  2010年   3篇
  2008年   6篇
  2007年   3篇
  2006年   3篇
  2005年   3篇
  2004年   4篇
  2003年   1篇
  2002年   4篇
  2001年   1篇
  2000年   2篇
  1999年   2篇
  1996年   1篇
  1995年   1篇
  1994年   1篇
  1990年   1篇
  1986年   1篇
排序方式: 共有74条查询结果,搜索用时 15 毫秒
1.
It is somewhat ironical to ponder Germany's power at a time when radical changes due to globalisation vastly limit the efficiency of state actions worldwide. Certainly, Germany's resources increased with reunification – though the country also has to bear its costs. An enumeration of the – possible – resources of German power provides us, however, with little understanding of the nature of German power, embedded as the country is in a European system from which it derives its strength. Hence, only an analysis of this system fully renders the picture, contrary to what neo-realists and liberals might assume. While Germany did exercise a semi-hegemony over Western Europe in the monetary area up to EMU, the further integration of the EU has altered the European structure and diffused Germany's power. A particular configuration allowed Germany to devise one-sidedly the rules of EMU. This configuration does not exist in other issue-areas, such as, for example, defence and enlargement. This does not mean that power is absent from Germany's tool-box: political credit in particular is abundant. Yet in a larger Europe, where coalitions are more issue-oriented and hence more volatile than formerly, Germany's power will turn out to be more limited than its demands for recognition may lead us to believe.  相似文献   
2.
3.
Abstract. In this note we study different methods of aggregation of preferences met on the occasion of elections. Through a simple geometrical representation, we analyse several of their properties, in particular those linked to Arrow's theorem for ordinal rankings; we pursue this discussion in the case of cardinal rankings, the qualities of which convince us of the usefulness of experiencing their introduction in real ballots.  相似文献   
4.
Scanning electron microscopy analysis of experimental bone hacking trauma   总被引:2,自引:0,他引:2  
The authors report on their macro- and microscopy study of bone lesions made by a sharp force instrument (a single blade knife), and a sharp-blunt instrument classified as a chopping weapon (a hatchet). The aim of this work was to attempt to identify the instrument by analyzing the general class characteristics of the cuts. Each weapon was used on human bones. The results indicate that macroscopic analysis is more problematic. The microscopic analysis assessed that characteristics examined were effective in distinguishing sharp from sharp-blunt injury to the bone. The microscope facilitates analysis unachievable with macroscopic methods, some three-dimensional characteristics not visible to the naked eye being clearly defined with its use. Emphasis has been placed on the value of SEM as an anthropologist's tool in bone lesion injuries.  相似文献   
5.
6.
7.
Turning out for elections can be treated as an indication of long-term support for a political system, if citizens perceive that system as legitimate. Applied to the level of the European Union this would suggest that levels of participation in elections to the European Parliament are crucial to the legitimacy of the EU's political system. Due to the multi-level character of these elections, however, causes for relatively low levels of turnout may be located at the national as well as the European level. We will use individual-level survey data to analyse the reasons for voter participation at European elections in Germany. Based on system-theoretic arguments we develop a model of voter participation including both European and national factors. The results of our binominal logistic regression models suggest that participation at European elections depends on individual characteristics like political interest on the one hand and perceptions of the performance of both the EU and the national government on the other.  相似文献   
8.
Dust was investigated for its ability to retain source attribution profiles (SAPs) after chemical exposure. Three distinct sources of the organophosphate pesticide acephate were investigated as a proof-of-concept model. In addition, attribution profiles were created and tested using compounds related to chemical warfare agents (CWAs), specifically VX and G-series agents: O-ethyl methylphosphonothioate (EMPTA), N,N-diisopropylmethylamine (DIPMA), N,N-diisopropylethylamine (DIEA), diisopropylamine (DIPA), diethyl aniline (DEA), diethyl ethyl phosphonate (DEEP), trimethyl phosphite (TMP), dimethyl hydrogen phosphite (DMHP), diethyl hydrogen phosphite (DEHP), triethyl phosphate (TEP), ethyl methylphosphonate (EMPA), and diisopropyl methylphosphonate (DIMP). Dust was collected from a storage shed, aliquots deposited on carpet and loaded with distinct chemical profiles using an exposure chamber and aerosolizer. After a given period of time (1h, 24h, or 72 h), the dust was extracted and its SAP analyzed by gas chromatography-mass spectrometry (GC-MS) and/or liquid chromatography-tandem mass spectrometry (LC-MS/MS). Principal components analysis (PCA) was used to determine the association of dust exposed to the same and different chemical sources. PCA results demonstrate that dust samples exposed to distinct chemical sources are clearly differentiated from one another across all collection times. Furthermore, dust aliquots exposed to the same source can be clearly associated with one another across all collection times. When the CWA-related compounds were subjected to elevated temperature (90°C) conditions, it was found that the signature was stable at the 1h and 24h collections. At 72 h and elevated temperature, larger deviations from the control were observed for some compounds. Elevated pH (10) affected the profile to a lesser degree than elevated temperature. Overall, dust is found to be an effective media for the in situ collection of source attribution profiles.  相似文献   
9.
The relationship between maltreatment in childhood and delinquency in adolescence is recognized. However, the data available do not reveal what proportion of children under the supervision of child protection services (CPS) later transfer to youth legal services, nor the sequence of services provided by these two systems. This study sketches a preliminary portrait of Youth Criminal Justice Act (YCJA) incidence among Quebec children and adolescents as a consequence of a first crime after initial CPS case closure (N = 14,252). It quantifies the scope of the phenomenon and identifies the best predictors of YCJA incidence from among the administrative data available. Survival analysis revealed a 15.4% YCJA incidence for the entire cohort in the five and a half years following termination of initial intervention; boys between 12 and 17 years old when their initial CPS cases were closed were at the greatest risk (27.2%).  相似文献   
10.
The authors report on a macroscopic and microscopic study of human mandible bone lesions achieved by a single-blade knife and a hatchet. The aim of this work was to complete the previous data (scanning electron microscopy analysis of bone lesions made by a single-blade knife and a hatchet, on human femurs) and to compare the lesions of the femur with those of the mandible. The results indicate that the mandible is a more fragile bone, but the features observed on the mandible are quite similar to those previously observed on the femur. This work spells out the main scanning electron microscopy characteristics of sharp (bone cutting) and blunt (exerting a pressure on the bone) mechanisms on human bone. Weapon characteristics serve to explain all of these features.  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