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   4552篇
  免费   160篇
各国政治   161篇
工人农民   145篇
世界政治   302篇
外交国际关系   167篇
法律   3102篇
中国共产党   2篇
中国政治   46篇
政治理论   736篇
综合类   51篇
  2022年   26篇
  2021年   33篇
  2020年   73篇
  2019年   73篇
  2018年   100篇
  2017年   115篇
  2016年   113篇
  2015年   90篇
  2014年   108篇
  2013年   379篇
  2012年   124篇
  2011年   147篇
  2010年   116篇
  2009年   115篇
  2008年   142篇
  2007年   107篇
  2006年   132篇
  2005年   128篇
  2004年   130篇
  2003年   123篇
  2002年   116篇
  2001年   209篇
  2000年   158篇
  1999年   114篇
  1998年   54篇
  1997年   50篇
  1996年   42篇
  1995年   58篇
  1994年   48篇
  1993年   57篇
  1992年   83篇
  1991年   88篇
  1990年   81篇
  1989年   70篇
  1988年   89篇
  1987年   83篇
  1986年   106篇
  1985年   109篇
  1984年   87篇
  1983年   85篇
  1982年   40篇
  1981年   37篇
  1979年   35篇
  1978年   34篇
  1975年   31篇
  1974年   49篇
  1972年   29篇
  1971年   31篇
  1970年   30篇
  1968年   32篇
排序方式: 共有4712条查询结果,搜索用时 0 毫秒
11.
12.
13.
14.
In the statistical interpretation of forensic glass evidence it is standard practice to make the assumption of homogeneity of the refractive index (RI) of the source glass, or of localized homogeneity. However, the work of Locke and Hayes showed that, for toughened windscreen glass, this assumption might not be true. This work is well cited, but there appears to have been little follow-on published research. Furthermore, the toughening process is something known to affect the refractive index, and is a process that float glass does not undergo. Float glass is a major component of casework in New Zealand and for that reason it would be interesting to know whether the findings of Locke and Hayes apply when dealing with float glass. In this paper we describe an experiment similar to that of Locke and Hayes, systematically examining the variation of RI in a pane of float window glass. It was found that, although there were no systematic differences in refractive index, there were observable differences across the pane.  相似文献   
15.
Report of an unusual finding of bones on the shore of the Baltic Sea. Although the morphological findings appeared similar to a human foot skeleton, a quick identification as sea dog bone was possible.  相似文献   
16.
17.
We report a case of rapid death from thrombotic thrombocytopaenic purpura (TTP) in a young pregnant lady who developed full blown symptoms soon after caesarean section. Extensive intramyocardial confluent haemorrhages and widespread microthrombi in heart, brain, adrenals and kidney were found at autopsy. Thrombotic thrombocytopaenic purpura is an uncommon condition, which carries a high fatality rate if untreated. Awareness of this syndrome together with its high risk of sudden death underlines the importance of rapid diagnosis and treatment.  相似文献   
18.
19.
Conclusion So can the Scots learn from Woolf? The answer must be in the affirmative, for his review points up similar problems to those we encounter here. There is no room for complacency in the civil justice system in Scotland, particularly in the field of Information Technology, where court systems and expertise are sadly lacking. It is clear that there is a need for a system of case management in all civil courts, targeted in particular areas or on particular cases, but only after a rigorous reappraisal of court timetabling; and that the public will lose confidence in a civil justice system which does not meet their needs for speedy and affordable decisions, perhaps by turning their backs on it and seeking means of Alternative Dispute Resolution. As for written pleadings, perhaps the most that can be said is that the case for their complete abolition is “not proven”, but that thestatus quo should not be maintained is beyond reasonable doubt. Sheriff of Lothian and Borders at Edinburgh; Member, Sheriff Court Rules Council.  相似文献   
20.
De Vault  James M. 《Public Choice》2002,110(1-2):1-22
This study examines the unfair trade decisions of the InternationalTrade Commission (ITC) and how they have been affected by Congress.It begins by identifying the means Congress can use to influenceITC decisions and then estimates both the extent to which thesemeans have been used and the extent to which they have shaped theITC's behavior. The study reaches two conclusions. First, Congresshas tried to shape the ITC's behavior, but it has not tried tomicromanage this behavior. Second, while the ITC's behavior hasbeen influenced by Congress, congressional influence is not asimportant as other factors, such as statutory criteria.  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