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   10815篇
  免费   295篇
各国政治   409篇
工人农民   388篇
世界政治   730篇
外交国际关系   303篇
法律   6840篇
中国政治   67篇
政治理论   2282篇
综合类   91篇
  2020年   104篇
  2019年   156篇
  2018年   190篇
  2017年   221篇
  2016年   221篇
  2015年   164篇
  2014年   185篇
  2013年   993篇
  2012年   219篇
  2011年   267篇
  2010年   214篇
  2009年   274篇
  2008年   279篇
  2007年   279篇
  2006年   266篇
  2005年   252篇
  2004年   243篇
  2003年   252篇
  2002年   241篇
  2001年   426篇
  2000年   369篇
  1999年   296篇
  1998年   165篇
  1997年   126篇
  1996年   141篇
  1995年   137篇
  1994年   136篇
  1993年   140篇
  1992年   238篇
  1991年   258篇
  1990年   244篇
  1989年   250篇
  1988年   228篇
  1987年   226篇
  1986年   266篇
  1985年   257篇
  1984年   230篇
  1983年   215篇
  1982年   151篇
  1981年   128篇
  1980年   114篇
  1979年   154篇
  1978年   87篇
  1977年   115篇
  1976年   96篇
  1975年   75篇
  1974年   94篇
  1973年   86篇
  1972年   78篇
  1971年   71篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
961.
962.
963.
A 4-year-old Black child was admitted to hospital in coma and with retinal hemorrhages. He was diagnosed as having Reye's Syndrome and remained hospitalized for 1 month. At discharge, he was neurologically compromised with spasticity of the right arm and leg, and could not walk or sit unsupported. Three weeks later he was again seen in the emergency room with a swollen right arm and leg and was subsequently readmitted. Healing fracture of the right femur and probable healing fracture of the right humerus were diagnosed. These were thought to be due to a fall from a stroller. Almost 4 months later, the child died at his home in the care of his mother's boyfriend. Autopsy findings were consistent with a severely chronically battered child.  相似文献   
964.
965.
Abstract: The frequency and characteristics of suicide by cop cases (SBC) among a large (n = 707) nonrandom sample of North American officer-involved shootings (OIS) were investigated. “Suicide by cop” is when a subject engages in behavior which poses an apparent risk of serious injury or death, with the intent to precipitate the use of deadly force by law enforcement against the subject. Thirty-six percent of the OIS in this sample were found to be SBC with high interrater agreement (intraclass correlation coefficient = 0.93) for category classification. SBC cases were more likely to result in the death or injury of the subjects than regular OIS cases. Most SBC cases were spontaneous, but had clear verbal and behavioral indicators that occurred prior to, and during the event. Findings confirm the trend detected in earlier research that there was a growing incidence of SBC among OIS. SBC individuals had a high likelihood of possessing a weapon (80%), which was a firearm 60% of the time. Half of those with a firearm discharged it at the police during the encounter. Nineteen percent simulated weapon possession to accomplish their suicidal intent. Other findings highlight the histories and commonalities in this high risk group.  相似文献   
966.
967.
968.
969.
970.
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