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   110篇
  免费   3篇
各国政治   6篇
工人农民   3篇
世界政治   7篇
外交国际关系   7篇
法律   51篇
政治理论   36篇
综合类   3篇
  2023年   1篇
  2021年   2篇
  2020年   3篇
  2019年   1篇
  2018年   2篇
  2017年   3篇
  2016年   4篇
  2014年   1篇
  2013年   9篇
  2012年   3篇
  2011年   3篇
  2010年   2篇
  2009年   2篇
  2007年   6篇
  2006年   3篇
  2005年   1篇
  2004年   5篇
  2003年   3篇
  2002年   3篇
  2001年   3篇
  2000年   5篇
  1999年   2篇
  1998年   4篇
  1997年   2篇
  1996年   1篇
  1993年   3篇
  1992年   2篇
  1991年   2篇
  1990年   1篇
  1989年   1篇
  1988年   2篇
  1987年   5篇
  1986年   1篇
  1985年   7篇
  1984年   3篇
  1983年   4篇
  1982年   2篇
  1978年   2篇
  1973年   2篇
  1970年   1篇
  1967年   1篇
排序方式: 共有113条查询结果,搜索用时 21 毫秒
1.
Michael Levin 《欧亚研究》1997,49(8):1519-1525
James D. White, Karl Marx and the Intellectual Origins of Dialectical Materialism. Basingstoke: Macmillan, 1996, xii + 416 pp., £40.00 h/b, £14.99 p/b.  相似文献   
2.
3.
4.
This paper discusses results of a supercritical fluid extraction-gas chromatography/mass spectrometry (SFE-GC/MS) study of small samples ( 100 microg to 1 mg) of human scalp hair. The method offers a number of benefits including greater sensitivity than liquid extraction methods because the entire extractable mass is transferred to the analytical system, compared with only a few percent from a conventional liquid extraction/injection. The project's goals were to determine if SFE-GC/MS analyses of the surface-extractable components of an individual's hair yield consistent chemical profiles and to investigate if the profiles are sufficiently different to distinguish them from those of other individuals. In addition, the mtDNA sequences from ten of the same individuals used in the SFE-GC/MS study from four family units were determined, and, while the families were distinguishable, the maternal relations yielded identical sequences. In tandem, SFE-GC/MS and mtDNA techniques may provide valuable complementary data from forensic hair samples.  相似文献   
5.
6.
A major source of oppression in industrial and post-industrial society is the restrictive and highly authoritarian nature of the workplace. One response is to democratize the workplace by increasing the participation of workers in making decisions and in choosing and evaluating managers as well as sharing in the ownership of the firm. These are not new ideas, and there are many examples of organizations pursuing various forms of democratic practices. However, a major objection is that such participation would compromise economic and other types of organizational productivity. This article examines the empirical support for that argument over a wide range of types of organizations in which workers participate in important decisions affecting their welfare. The overall results of this survey across many different forms of work organization suggest that the evidence supports the opposite conclusion, that worker participation increases productivity, particularly when workers share the benefits of higher productivity. The challenge is to ascertain ways of spreading these practices more widely.  相似文献   
7.
8.
9.
10.
De‐identified wound data from 197 homicidal gunshot postmortems were obtained between 2000 and 2008. Forensic ballistics data were only available for cases between 2004 and 2008. Males represent 91% of gunshot victims and were struck in the thorax/abdomen with an average of 2.3 bullets. The type of firearms involved were semi‐automatic pistols in the predominant caliber 9‐mm Luger and assault rifles in caliber 5.56 × 45 mm and caliber 7.62 × 39 mm Soviet, using full metal jacket bullets. The majority of shootings occurred at ranges of 1 m or greater. The most common bullet path was front to back in 66% of cases. Entry wounds occurred more often on the left side of the thorax, abdomen, and back. The most common critical organs/tissues to sustain bullet trauma in descending order were as follows: heart, lungs, liver, aorta, spleen, kidneys, and vena cava. Ribs were struck by most bullets that entered the thorax.  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