全文获取类型
收费全文 | 642篇 |
免费 | 62篇 |
专业分类
各国政治 | 39篇 |
工人农民 | 58篇 |
世界政治 | 48篇 |
外交国际关系 | 74篇 |
法律 | 281篇 |
中国政治 | 9篇 |
政治理论 | 190篇 |
综合类 | 5篇 |
出版年
2023年 | 12篇 |
2022年 | 4篇 |
2021年 | 11篇 |
2020年 | 22篇 |
2019年 | 24篇 |
2018年 | 36篇 |
2017年 | 51篇 |
2016年 | 43篇 |
2015年 | 34篇 |
2014年 | 28篇 |
2013年 | 112篇 |
2012年 | 25篇 |
2011年 | 31篇 |
2010年 | 19篇 |
2009年 | 18篇 |
2008年 | 18篇 |
2007年 | 20篇 |
2006年 | 17篇 |
2005年 | 10篇 |
2004年 | 19篇 |
2003年 | 16篇 |
2002年 | 8篇 |
2001年 | 11篇 |
2000年 | 16篇 |
1999年 | 7篇 |
1998年 | 9篇 |
1997年 | 2篇 |
1996年 | 8篇 |
1995年 | 9篇 |
1994年 | 7篇 |
1993年 | 3篇 |
1992年 | 8篇 |
1991年 | 5篇 |
1990年 | 3篇 |
1989年 | 3篇 |
1988年 | 6篇 |
1987年 | 5篇 |
1986年 | 3篇 |
1984年 | 2篇 |
1983年 | 3篇 |
1982年 | 2篇 |
1980年 | 1篇 |
1978年 | 5篇 |
1977年 | 1篇 |
1976年 | 2篇 |
1974年 | 1篇 |
1973年 | 1篇 |
1972年 | 1篇 |
1970年 | 1篇 |
1967年 | 1篇 |
排序方式: 共有704条查询结果,搜索用时 171 毫秒
41.
42.
During the last decade, several formalized approaches have been developed to improve the effectiveness of probation and parole by implementing evidence-based research into community supervision practices. A key component of these new approaches are the use of officer coaching sessions, which are designed to improve officer fidelity in the core correctional skill areas. This study explores the impact of an initial training and monthly coaching sessions in the Effective Practices in Community Supervision (EPICS) model on probation and parole officer use of core correctional skills. The results examine the average quarterly officer use of skills over an 18-month follow-up period based on training status (i.e., trained versus untrained officers) in the EPICS model. This study adds to the understanding of the role training and coaching may play in improving officer use of core correctional skills. Policy implications and recommendations for future research are also discussed. 相似文献
43.
44.
45.
External beam proton-induced X-ray emission (PIXE) analysis has been used to verify the presence of lead in the finger bone of a murder victim. The deceased, who had been buried several years, was known to have suffered a bullet wound to his right hand several years before death. X-ray radiographs of the right second proximal phalanx revealed the possible presence of metal fragments below the surface of the bone. To verify the presence of lead in a nondestructive manner, the bone was scanned with a 1.5-MeV proton beam. PIXE analysis showed that lead was present only in the vicinity of the fragments previously detected in the radiographs. A study of gunshot residue in bone shows that the distribution of lead around the bullet hole is independent of the firing distance for distances greater than 0.6 m. 相似文献
46.
Self-harm is widely recognized as a significant adolescent social problem, and recent research has begun to explore its etiology.
Drawing from Agnew’s (1992) social psychological strain theory of deviance, this study considers this issue by testing three hypotheses about the effects
of traditional and cyber bullying victimization on deliberate self-harm and suicidal ideation. The data come from a school-based
survey of adolescents in a rural county of a southeastern state (n = 426); 50% of subjects are female, their mean age was 15 years, and non-Hispanic whites represent 66% of the sample. The
analysis revealed that both types of bullying are positively related to self-harm and suicidal ideation, net of controls.
Moreover, those relationships are partially mediated by the negative emotions experienced by those who are bullied and partially
moderated by features of the adolescent’s social environment and self. Regarding the latter, exposure to authoritative parenting
and high self-control diminished the harmful effects of bullying victimization on self-harm and suicidal ideation. The article
concludes by discussing the implications of these conclusions for future research and for policy efforts designed to reduce
self-harm. 相似文献
47.
Robert Perry 《Policy Sciences》1972,3(3):349-359
A comparison of 20 years of aircraft production in Europe and America. U.S. cost increases in the system acquisition process have resulted in large part from unforeseen (sometimes unforseeable) engineering difficulties in the development phase, and from substantial production commitment before development was complete. Common European strategy completed basic development before beginning production and demonstrated utility through prototypes, using early proof-testing of engines, electronics and airframes. An alternative acquisition strategy to that used in the 1960s in the United States is recommended for the next decade: (1) incremental acquisition, based on a sequence of decision points and a succession of development and production phases; and (2) pronounced austerity in early development phases. These changes would result in lessened cost growth and lower U.S. acquisition costs, as well as in improved predictability of schedule and system performance outcomes.The following statement was prepared for the Committee on Armed Services, United States Senate, and was presented on December 7, 1971. 相似文献
48.
49.
Ryan Shaffer 《Intelligence & National Security》2019,34(5):727-742
This article examines India’s historical efforts to spy inside Pakistan from the mid-1960s to the early 1970s. It draws from memoirs of notable Indian spies who were jailed for espionage in Pakistan and spy ‘fiction’ written by former Indian intelligence and military officers who allege their writing is based on actual cases. The article highlights commonalities among Indian spies using the words of Indian officers to better understand human intelligence efforts inside Pakistan. It finds that Indian spies in these books have initially been Hindus or from multi-religious families, from the Indian-Pakistan border and have been poorly treated by the Indian government and its intelligence services. 相似文献
50.
Ryan Hübert 《American journal of political science》2019,63(3):706-718
How much do trial judges influence the law in the United States? I analyze a model of adjudication by a trial judge who engages in fact finding before deciding a case, but whose decision may be reversed. The model makes three broad points. First, it provides an informational rationale for ex post deference to biased trial judges that does not require an ex ante commitment by an appellate court to a standard of review. Second, it shows how procedural discretion can bring biased trial judges' rulings closer to appellate doctrine despite enabling trial judges to “get their way” more often. Third, de facto law as represented by trial judges' case‐by‐case adjudication will differ substantially from de jure law. As long as there are not too many extremist trial judges, de facto law will reflect the predispositions of trial judges, not legal doctrine. 相似文献