全文获取类型
收费全文 | 9553篇 |
免费 | 286篇 |
专业分类
各国政治 | 469篇 |
工人农民 | 484篇 |
世界政治 | 585篇 |
外交国际关系 | 296篇 |
法律 | 5947篇 |
中国共产党 | 3篇 |
中国政治 | 63篇 |
政治理论 | 1914篇 |
综合类 | 78篇 |
出版年
2020年 | 116篇 |
2019年 | 160篇 |
2018年 | 224篇 |
2017年 | 245篇 |
2016年 | 237篇 |
2015年 | 181篇 |
2014年 | 176篇 |
2013年 | 1085篇 |
2012年 | 248篇 |
2011年 | 244篇 |
2010年 | 208篇 |
2009年 | 228篇 |
2008年 | 301篇 |
2007年 | 257篇 |
2006年 | 288篇 |
2005年 | 262篇 |
2004年 | 264篇 |
2003年 | 238篇 |
2002年 | 240篇 |
2001年 | 281篇 |
2000年 | 275篇 |
1999年 | 202篇 |
1998年 | 125篇 |
1997年 | 132篇 |
1996年 | 122篇 |
1995年 | 109篇 |
1994年 | 105篇 |
1993年 | 121篇 |
1992年 | 189篇 |
1991年 | 202篇 |
1990年 | 187篇 |
1989年 | 189篇 |
1988年 | 169篇 |
1987年 | 184篇 |
1986年 | 180篇 |
1985年 | 169篇 |
1984年 | 164篇 |
1983年 | 169篇 |
1982年 | 102篇 |
1981年 | 95篇 |
1980年 | 82篇 |
1979年 | 107篇 |
1978年 | 79篇 |
1977年 | 77篇 |
1976年 | 66篇 |
1975年 | 61篇 |
1974年 | 64篇 |
1973年 | 73篇 |
1972年 | 63篇 |
1968年 | 53篇 |
排序方式: 共有9839条查询结果,搜索用时 15 毫秒
11.
12.
Marianne Junger Lynette Feder Joy Clay Sylvana M. Côté David P. Farrington Kate Freiberg Vicente Garrido Genovés Ross Homel Friedrich Lösel Matthew Manning Paul Mazerolle Rob Santos Martin Schmucker Christopher Sullivan Carole Sutton Tom van Yperen Richard E. Tremblay 《European Journal on Criminal Policy and Research》2007,13(3-4):327-356
13.
North American research on the policing of ‘domestic violence’ has been very influential among policy makers in Great Britain.
In particular, research which purports to verify the deterrence value of arrest has prompted the establishment of over thirty
domestic violence units in London and similar initiatives elsewhere in Britain. The paper will outline the nature of the traditional
police response to ‘family violence’ in London and the nature of the experimental innovations. Changes in police practice
with regard to this type of violence will be put in the context of the organizational constraints and possibilities of policing.
Finally, changing police responses to domestic violence will be evaluated in terms of the debate over the possibility of using
the state or its organs to achieve social change. 相似文献
14.
15.
16.
Prior studies of recidivism have focused almost exclusively on individual‐level characteristics of offenders and their offenses to explore the correlates of reoffending. Notably absent from these studies are measures reflecting the neighborhood contexts in which individuals live. The current research addresses this shortcoming. Using data on a sample of ex‐offenders in Multnomah County, Oregon (Portland and surrounding area) in conjunction with 2000 census data, we answer two questions. First, which individual‐level factors influence rates of recidivism? Second, to what extent does neighborhood socioeconomic status account for variation in the reoffending behavior of ex‐prisoners that is not explained by their individual‐level characteristics? We find that those who return to disadvantaged neighborhoods recidivate at a greater rate while those who return to resource rich or affluent communities recidivate at a lesser rate, controlling for individual‐level factors. 相似文献
17.
Correlation between plasma and bone marrow tricyclic antidepressants has not been studied before. Two groups of rabbits were given 10 and 20 mg of desipramine/kg body weight, respectively. Desipramine was administered to the animals once daily by mouth for 5 days. On the fifth day the animals were sacrificed and blood and bone marrow samples were collected and analyzed using a high performance liquid chromatographic (HPLC) method. Data showed that a correlation exists between bone marrow and blood desipramine. The bone marrow desipramine concentration increased as its blood levels increased. The average ratio of bone marrow to blood desipramine +/- S.D. (standard deviation) in both dosage groups was 37.2 +/- 4.46 with a range of 30.99-44.82. This investigation is promising and shows that bone marrow could be used as an alternative tissue in the absence of a suitable blood sample. 相似文献
18.
The formation of adequate mental health systems within prisons has accelerated as a result of successful class action lawsuits. Our recent national survey questioned all state correctional departments about the existence of standards in each system, compliance with such standards, prevalence of class action lawsuits involving the issue of providing adequate mental health services for inmates, issues related to consent decrees, available mental health resources within the correctional system, and the administrative structure of the mental health system. Our purpose was to identify those factors correlated with certified class action lawsuits involving issues related to mental health services. Twenty-one states were involved in such litigation. Only the presence of psychiatric hospitals operated by the department of corrections correlated with the presence of certified class action lawsuits involving mental health services. Prison systems larger than 15,000 inmates were at higher risk for such litigation. Smaller systems having psychiatric hospitals run by the state mental health agency appeared to be at less risk for such litigation. 相似文献
19.
20.