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   765篇
  免费   70篇
各国政治   53篇
工人农民   58篇
世界政治   53篇
外交国际关系   56篇
法律   388篇
中国政治   10篇
政治理论   212篇
综合类   5篇
  2023年   10篇
  2022年   2篇
  2021年   12篇
  2020年   25篇
  2019年   36篇
  2018年   44篇
  2017年   57篇
  2016年   48篇
  2015年   42篇
  2014年   34篇
  2013年   123篇
  2012年   33篇
  2011年   34篇
  2010年   31篇
  2009年   26篇
  2008年   24篇
  2007年   23篇
  2006年   27篇
  2005年   11篇
  2004年   25篇
  2003年   14篇
  2002年   16篇
  2001年   10篇
  2000年   13篇
  1999年   5篇
  1998年   11篇
  1997年   9篇
  1996年   10篇
  1995年   5篇
  1994年   2篇
  1993年   6篇
  1992年   5篇
  1991年   8篇
  1990年   5篇
  1989年   5篇
  1988年   4篇
  1987年   4篇
  1986年   2篇
  1985年   4篇
  1984年   3篇
  1981年   4篇
  1980年   6篇
  1979年   2篇
  1978年   3篇
  1977年   3篇
  1973年   2篇
  1972年   1篇
  1971年   1篇
  1970年   1篇
  1969年   1篇
排序方式: 共有835条查询结果,搜索用时 31 毫秒
51.
Traditionally, toolmark test exemplars are produced by applying a tool's working surface to a piece of soft metal such as lead. Soft, pliable metals are primarily used for this purpose because they will replicate the microscopic grooves present on a tool's working surface without damaging the tool. In this paper the authors present an alternative material for the preparation of test toolmarks. Jewelry modeling or carving waxes are utilized in this study. These waxes are designed for the jewelry modeling industry to create very fine, highly detailed wax models of jewelry pieces that will be cast in various metals utilizing the lost wax casting method. Jeweler's waxes have been found to be ideal for preparing test toolmarks from exemplar tools. The test tool's working surface is applied to a piece of the appropriate wax in a manner consistent with the tool's design. The replicas obtained are exact, highly detailed, 1:1, negative impressions of the exemplar tools working surface, have a long shelf-life, and are suitable for use in toolmark examination and comparison cases.  相似文献   
52.
A community sample of 610 adults were grouped into those who reported no sexual abuse experience, others who reported noncoercive sexual contact with an individual that was at most 4 years older, and those who reported more severe sexual abuse. The first two groups did not differ from each other on current social support, trauma-specific symptomatology, and somatic complaints whereas the more severe sexual abuse group reported more problems on these dimensions. Further analyses suggested that of the two variables, coercion was more closely associated with problematic outcome than was the existence of an age difference.  相似文献   
53.
54.
55.
St Lucia     
  相似文献   
56.
57.
58.
59.
Public administrators rely on written communications to send information to citizens and stakeholders, and they are among the heaviest users of the postal service. Behavioral science research has identified several techniques that public administrators can use to increase compliance with written requests and, in turn, increase effectiveness. Currently, however, many written communications from government bodies are not written in a manner that utilizes these techniques. It remains an ongoing challenge for public administrators to identify, understand, and use these techniques in the written communications sent by their organizations. This article presents a framework capturing seven prominent techniques in a simple mnemonic—INSPIRE—that is already being used by several government bodies in Australia. It also provides practical examples of how to use each technique and demonstrates that using these techniques could result in large aggregate improvements in effectiveness and socially desirable outcomes of public administrators' written communications.  相似文献   
60.
This paper focuses on the Department of Homeland Security (DHS) in order to theorise the spatialities of post-9/11 security knowledge and practice in the US. It analyses the organisational discourses that animate homeland security work, such as preparedness, vulnerability, the new threat environment, risk analysis and capabilities-based planning, and considers the implications of these practices for contemporary geographies of security. It is argued that DHS operates through a virtual ontology of threat, whereby potential, future threats are addressed as present possibilities that emerge in the spaces of everyday life. The sources of American freedoms and insecurities, the everyday, emerging circulations of goods and people, present DHS with a terrain of shifting threats from which both emergencies and preparedness may materialise. Disaster looming, the potential suspension of everyday life forms the basis for security practice as the emergency becomes a fact of life itself. The spatialities of this environment of imminent threat are considered and it is argued that the everyday emergency operates topologically as a continuous process of spatialisation.  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