全文获取类型
收费全文 | 6095篇 |
免费 | 237篇 |
专业分类
各国政治 | 427篇 |
工人农民 | 182篇 |
世界政治 | 619篇 |
外交国际关系 | 440篇 |
法律 | 2555篇 |
中国政治 | 50篇 |
政治理论 | 1988篇 |
综合类 | 71篇 |
出版年
2023年 | 41篇 |
2022年 | 26篇 |
2021年 | 54篇 |
2020年 | 103篇 |
2019年 | 150篇 |
2018年 | 166篇 |
2017年 | 194篇 |
2016年 | 199篇 |
2015年 | 116篇 |
2014年 | 172篇 |
2013年 | 1028篇 |
2012年 | 170篇 |
2011年 | 174篇 |
2010年 | 173篇 |
2009年 | 180篇 |
2008年 | 158篇 |
2007年 | 218篇 |
2006年 | 190篇 |
2005年 | 225篇 |
2004年 | 227篇 |
2003年 | 209篇 |
2002年 | 226篇 |
2001年 | 120篇 |
2000年 | 115篇 |
1999年 | 97篇 |
1998年 | 90篇 |
1997年 | 92篇 |
1996年 | 90篇 |
1995年 | 92篇 |
1994年 | 95篇 |
1993年 | 78篇 |
1992年 | 84篇 |
1991年 | 91篇 |
1990年 | 62篇 |
1989年 | 65篇 |
1988年 | 64篇 |
1987年 | 63篇 |
1986年 | 67篇 |
1985年 | 62篇 |
1984年 | 53篇 |
1983年 | 62篇 |
1982年 | 48篇 |
1981年 | 56篇 |
1980年 | 38篇 |
1979年 | 37篇 |
1978年 | 32篇 |
1977年 | 33篇 |
1976年 | 30篇 |
1974年 | 15篇 |
1972年 | 15篇 |
排序方式: 共有6332条查询结果,搜索用时 31 毫秒
851.
Jason C. Coronel Melissa C. Duff David E. Warren Kara D. Federmeier Brian D. Gonsalves Daniel Tranel Neal J. Cohen 《American journal of political science》2012,56(4):837-848
One of the most prominent claims to emerge from the field of public opinion is that citizens can vote for candidates whose issue positions best reflect their own beliefs even when they cannot remember previously learned stances associated with the candidates. The current experiment provides a unique and powerful examination of this claim by determining whether individuals with profound amnesia, whose severe memory impairments prevent them from remembering specific issue information associated with any particular candidate, can vote for candidates whose issue positions come closest to their own political views. We report here that amnesic patients, despite not being able to remember any issue information, consistently voted for candidates with favored political positions. Thus, sound voting decisions do not require recall or recognition of previously learned associations between candidates and their issue positions. This result supports a multiple memory systems model of political decision making. 相似文献
852.
Many voters are canvassed by British political parties in the months and weeks immediately preceding a general election – but many are not. The parties are selective in whom they make contact with, and where. They focus on those in marginal constituencies who are likely to vote for them – and having identified them early in the process they contact them again, seeking to sustain that support in the seats where the contest overall will be either won or lost. A large panel survey conducted immediately before and after the 2010 general election allows detailed insight into that pattern of canvassing, identifying who the parties contacted, and where, in the six months prior to the election being called, and then who were contacted during the month immediately preceding polling day, and in how many different ways. Each party focused on its own supporters in the marginal constituencies, and in the middle-class neighbourhoods within those constituencies, but whereas the Conservatives, expecting to win the election, campaigned most intensively in the seats they lost by relatively small margins at the previous contest, Labour and the Liberal Democrats fought defensive campaigns in the seats that they won then. Such tactics were successful; the more ways in which respondents were contacted by a party, the more likely they were to vote for it. 相似文献
853.
854.
855.
David Ray Papke 《Family Court Review》2012,50(1):13-22
This article critiques Hollywood films from the last last 20–30 years that relate to family law. More specifically, this article considers films involving marriage, divorce, child custody, and adoption and focuses on the portrayal of law in those films. While the films are not tightly connected to one another and surely do not share a unified theme, the films do share a surprising skepticism bordering on distrust regarding law, legal procedures, and legal institutions. Hollywood appears to have picked up a general sentiment that family should be a private, intimate sanctuary and is better off without state intrusion through law. The films incorporate this sentiment and also reinforce it by teaching viewers to be leery of law in family matters. Key Points for the Family Court Community:
- 1 Recent Hollywood films include not only abundant portrayals of family life but also numerous examples of family law.
- 2 As a result, these Hollywood films have the potential to educate viewers about family law and to prompt certain normative attitudes about family law.
- 3 In general, Hollywood films invite viewers to be skeptical and even disdainful of family law.
856.
857.
Kaye DH 《Science & justice》2012,52(2):126-7; author reply 128-30
This letter explains why a recent study purporting to show that exposure to domain-irrelevant information caused DNA analysts to misinterpret a complex mixture does not warrant this conclusion on the basis of the data from the study. 相似文献
858.
The floral development and potencies [Δ(9) -tetrahydrocannabinol (THC) contents] of cannabis plants were compared when grown indoors under high-pressure sodium lamps consuming electrical power at three densities (270, 400, and 600 W/m(2)). After a 3-week vegetative phase, plants were grown for 8 weeks, with lamps maintaining an artificial day length of 12 h. Foliar and floral yields were measured. Gas chromatography was used to measure the content of the psychoactive cannabinoid THC. Mean yields per unit of electrical power in each lighting regime ranged from 0.9 to 1.6 g/W, the highest being achieved in the lowest irradiance regime. The individual potencies of the separated leaf and flower materials were not affected by increasing irradiance. However, there was a corresponding increase in the overall potency of the aerial plant tissue. This was because of the plants in brighter conditions producing a higher proportion of floral material. 相似文献
859.
860.
Morgan RD Flora DB Kroner DG Mills JF Varghese F Steffan JS 《Law and human behavior》2012,36(1):37-50
The purpose of this research synthesis was to examine treatment effects across studies of the service providers to offenders with mental illness. Meta-analytic techniques were applied to 26 empirical studies obtained from a review of 12,154 research documents. Outcomes of interest in this review included measures of both psychiatric and criminal functioning. Although meta-analytic results are based on a small sample of available studies, results suggest interventions with offenders with mental illness effectively reduced symptoms of distress, improving offender's ability to cope with their problems, and resulted in improved behavioral markers including institutional adjustment and behavioral functioning. Furthermore, interventions specifically designed to meet the psychiatric and criminal justice needs of offenders with mental illness have shown to produce significant reductions in psychiatric and criminal recidivism. Finally, this review highlighted admission policies and treatment strategies (e.g., use of homework), which produced the most positive benefits. Results of this research synthesis are directly relevant for service providers in both criminal justice and mental health systems (e.g., psychiatric hospitals) as well as community settings by informing treatment strategies for the first time, which are based on empirical evidence. In addition, the implications of these results to policy makers tasked with the responsibility of designating services for this special needs population are highlighted. 相似文献