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   73468篇
  免费   3274篇
  国内免费   5篇
各国政治   4487篇
工人农民   2992篇
世界政治   6254篇
外交国际关系   3842篇
法律   36572篇
中国共产党   15篇
中国政治   785篇
政治理论   20849篇
综合类   951篇
  2021年   420篇
  2020年   1171篇
  2019年   1533篇
  2018年   1733篇
  2017年   2005篇
  2016年   2209篇
  2015年   1824篇
  2014年   2097篇
  2013年   10532篇
  2012年   1745篇
  2011年   1900篇
  2010年   1913篇
  2009年   2119篇
  2008年   1940篇
  2007年   1962篇
  2006年   2075篇
  2005年   1968篇
  2004年   1849篇
  2003年   1671篇
  2002年   1691篇
  2001年   1957篇
  2000年   1690篇
  1999年   1445篇
  1998年   1171篇
  1997年   999篇
  1996年   986篇
  1995年   938篇
  1994年   951篇
  1993年   972篇
  1992年   1108篇
  1991年   1158篇
  1990年   1120篇
  1989年   1121篇
  1988年   1123篇
  1987年   1111篇
  1986年   1108篇
  1985年   1147篇
  1984年   1024篇
  1983年   1065篇
  1982年   934篇
  1981年   881篇
  1980年   687篇
  1979年   757篇
  1978年   628篇
  1977年   551篇
  1976年   508篇
  1975年   463篇
  1974年   485篇
  1973年   470篇
  1972年   417篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
721.
722.
Little literature has been developed to describe the process of transferring a corporation's technology between international units of that company for ultimate transfer to their external customers (Kimberly 1981 and Leonard-Barton and Sinha 1993). This paper addresses the issues at Air Products and Chemicals, Inc. involved in the transfer of applications technology. Technology is transferred from the unit of the corporation which develops the technology to international affiliates and subsidiaries. The ultimate goal is the support of product sales to the external industrial customer. A strategy for this type of organization is described which is supported by references to theoretical constructs in the literature and empirical observations from the organization itself.  相似文献   
723.
724.
725.
726.
727.
728.
729.
Recent British work has focused attention on preventing repeat victimization as part of an overall crime prevention strategy. Because domestic violence victims are among those most likely to suffer multiple victimizations, they are logical candidates for programs targeted at reducing repeat victimization.
This article reports on a joint law enforcement-social services approach to reduce the incidence of repeat domestic violence. The research design randomly assigned households reporting domestic incidents within two public housing police service areas in New York to receive or not receive a follow-up to the initial patrol response. (The follow-up visit was conducted by a police officer and a social worker.) In addition, housing projects in the same area were randomly assigned to receive or not receive public education about domestic violence.
Neither treatment produced a reduction in violence. However, households in projects that had received public education and households that received the follow-up visits were both more likely to report new violence to the police than households that did not receive the treatments. Moreover, the effect of the follow-up visit was most pronounced among households with more serious histories of violence. The results suggest that the interventions increased citizens' confidence in the ability of the police to handle domestic situations.  相似文献   
730.
Using merged administrative data from welfare reform evaluations in three states, we estimate the effects of child care subsidy use on the length of time it takes for a welfare applicant to move into substantial employment. Findings show that the use of a child care subsidy during an unemployed or marginally employed spell of welfare receipt is associated with between a 0.6 and 1.7 quarter (or 11% to 34%) reduction in the time to substantial employment in two of the three state samples. The positive influence of subsidy use on transitions to substantial employment is strongest for those welfare applicants with the lowest earnings who are mixing welfare and work prior to subsidy receipt.  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