全文获取类型
收费全文 | 1065篇 |
免费 | 48篇 |
专业分类
各国政治 | 69篇 |
工人农民 | 45篇 |
世界政治 | 94篇 |
外交国际关系 | 91篇 |
法律 | 460篇 |
中国政治 | 10篇 |
政治理论 | 334篇 |
综合类 | 10篇 |
出版年
2023年 | 5篇 |
2020年 | 13篇 |
2019年 | 20篇 |
2018年 | 29篇 |
2017年 | 34篇 |
2016年 | 31篇 |
2015年 | 21篇 |
2014年 | 22篇 |
2013年 | 167篇 |
2012年 | 23篇 |
2011年 | 30篇 |
2010年 | 34篇 |
2009年 | 36篇 |
2008年 | 27篇 |
2007年 | 33篇 |
2006年 | 34篇 |
2005年 | 35篇 |
2004年 | 34篇 |
2003年 | 35篇 |
2002年 | 34篇 |
2001年 | 30篇 |
2000年 | 18篇 |
1999年 | 24篇 |
1998年 | 25篇 |
1997年 | 13篇 |
1996年 | 17篇 |
1995年 | 12篇 |
1994年 | 14篇 |
1993年 | 11篇 |
1992年 | 24篇 |
1991年 | 17篇 |
1990年 | 11篇 |
1989年 | 14篇 |
1988年 | 19篇 |
1987年 | 16篇 |
1986年 | 23篇 |
1985年 | 16篇 |
1984年 | 8篇 |
1983年 | 10篇 |
1982年 | 14篇 |
1981年 | 7篇 |
1980年 | 7篇 |
1979年 | 14篇 |
1978年 | 7篇 |
1977年 | 10篇 |
1976年 | 7篇 |
1975年 | 3篇 |
1974年 | 7篇 |
1973年 | 4篇 |
1966年 | 2篇 |
排序方式: 共有1113条查询结果,搜索用时 0 毫秒
951.
952.
James Christopher Graham Diana J. English Alan J. Litrownik Richard Thompson Ernestine C. Briggs Shrikant I. Bangdiwala 《Journal of family violence》2010,25(3):311-324
The purpose of this study was to extend work seeking to improve research definitions of chronic maltreatment by contrasting
a definition based on patterns of CPS reports across childhood developmental stages to a previously used definition based
upon duration of the period including reports, using teacher-estimated peer relations to represent an extrafamilial outcome
domain of social adaptation. The sample includes 387 children who are participating in a multi-site longitudinal study and
had been reported for abuse or neglect to CPS between birth and age 8. CPS records from this time period provided the basis
of two chronicity constructs: 1) an ordinal categories (OC) definition based upon four Eriksonian stages, and 2) a durational
definition (time between first and last reports). Block-wise regression analyses were conducted to examine the relative degree
to which the two chronicity definitions contributed to prediction of teacher-estimated peer relations at the age 8 interview.
Chronicity characterized with reference to developmental stages significantly predicted troubled peer relations, with child
age, sex, and minority status, family income, geographic location, and time of first report taken into account. The effect
was pronounced with regard to aggressive peer relations. Duration of maltreatment reports also predicted aggressive peer relations,
but significantly less so than did the OC definition. The findings support the view that maltreatment chronicity is usefully
defined by taking children’s development into consideration to characterize patterns of maltreatment across developmental
stages. Practice and research implications are suggested. 相似文献
953.
To help inform the design and review of alternative public regulatory policies towards paid adult sex markets, this study uses economic reasoning to explore the nature of client participation. This is a timely focus given the increasing consideration and movement towards a greater role for demand-side policies and regulation that has emerged in some countries to complement, or, in some cases, even replace elements of supply-side regulation and policy. The analysis is based upon a time allocation model that characterises the nature and balance of incentives facing clients under various public regulatory regimes. The regimes considered range from the status quo in England, Wales and Scotland, to varying levels of state involvement or direction, featuring, inter alia, supplier registration, public health inspections and locational restrictions. All of these are shown to affect in various ways the extent to which risk, income and other factors can influence the pattern and intensity of leisure time usage, which is a key requirement for client participation in paid sex markets. 相似文献
954.
This article considers the way in which recent commentators have represented Australia's relationship with Antarctica including current and future challenges. While successive Australian governments from the 1950s onwards have sought inter alia to develop and protect the country's southern oceanic and Antarctic interests, concern has persisted about the activities of other parties. The signing of the 1959 Antarctic Treaty helped to ensure that the territorial status quo prevailed with regard to the Australian Antarctic Territory. The entry of the United Nations Law of the Sea Convention (UNCLOS) into force in 1994 created new opportunities for further expressions of sovereign rights in this region. While mindful of the evolving legal geographies affecting Antarctica, our paper asks a series of questions about this relationship with the far south: how has Australian national identity been informed and influenced by Antarctic engagements? Will UNCLOS actually weaken the Antarctic Treaty System? Finally, do contemporary Australian pronouncements on the Antarctic hint at anxieties reminiscent of the 1950s? We conclude with a warning that nationalistic evocations may well unsettle a delicate balance concerning the Southern Ocean and disputed ownership of Antarctica. 相似文献
955.
Alastair Ruffell Ph.D. Alan McCabe Colm Donnelly Ph.D. Brian Sloan B.Sc. 《Journal of forensic sciences》2009,54(2):382-394
Abstract: Reburial of human remains and concerns regarding pathogens and pollution prompted the search for, and assessment of, a 156-year-old graveyard. To locate this graveyard, historic and anecdotal information was compared to landscape interpretation from aerial photography. To assess and map the contents, surface collapses, metal detector indications, and ground-penetrating radar (GPR) were used. Some 170 anomalies compatible with burials were identified on 200 MHz GPR data, 84 of which coincided with surface collapses, suggesting both noncollapsed ground, subsequent infill, and multiple inhumations. The graveyard was possibly split into Roman Catholic plots with multiple inhumations; Protestant plots; and a kileen, or graveyard for the unbaptized (often children). The work serves as one approach to the location and mapping of recent and historic unmarked graves. 相似文献
956.
957.
In this meta‐analytic study, we looked at all empirical studies that examined the effectiveness of court‐affiliated divorcing parents education programs (DPEs). Overall, we found that DPEs were generally effective. Nineteen studies with a DPE treatment group and no‐treatment control group had an overall significant moderate positive effect (d= .39); those who participated in DPEs were about 50% better off in terms of program outcomes compared to those who did not participate. The studies examined five specific outcomes: co‐parenting conflict, parent‐child relationships, child well‐being, parent well‐being, and relitigation; with most of these specific outcomes we found significant moderate effects ranging from d= .19–.61. However, there were important methodological limitations in this body of research, which are discussed. While more research is needed to confirm the positive potential of DPEs, we probably know enough to justify continuing and even increasing support for this recent social policy innovation. 相似文献
958.
Jonathan Goldner Tracy L. Peters Maryse H. Richards Steven Pearce 《Journal of youth and adolescence》2011,40(2):174-186
This study examined protective and risky companionship and locations for exposure to community violence among African American
young adolescents living in high crime, urban areas. The Experience Sampling Method (ESM), an in vivo data collection method,
was employed to gather information from 233 students (62% female) over 3 years, beginning in the 6th grade. Questionnaire
variables of exposure to community violence were regressed onto ESM companionship and location variables, cross-sectionally
and longitudinally, separately for boys and girls. At different points, time spent with parents, in school, and outside in
private space was associated with less exposure to violence for boys and girls, while time spent with girls was protective
for boys. In addition, time spent outside in public and with older peers was associated with increased risk for boys and girls.
These findings are discussed in relation to previous and potential future research, and to strategies to prevent exposure
to community violence. 相似文献
959.
For all governments, the principle of how and whether policies are implemented as intended is fundamental. The aim of this paper is to examine the difficulties for governments in delivering policy goals when they do not directly control the processes of implementation. This paper examines two case studies – anti-social behaviour and street crime – and demonstrates the difficulties faced by policy-makers in translating policy into practice when the policy problems are complex and implementation involves many actors. 相似文献
960.
Felthous AR 《Journal of forensic sciences》2011,56(6):1541-1555
The results of two comprehensive approaches are compared: the nationwide surveys of suicides in U.S. jails by Hayes and the international meta-analyses of suicides in jails and prisons by Fazel et al. Factors are classified as demographic, situational, clinical, and methodical. More than 50% of U.S. jail suicide victims were men, white, unmarried, under 28 years of age, charged with minor or drug-related offenses, and intoxicated with drugs or alcohol. Suicides significantly occurred in isolation. Suicide victims in the international study were significantly (p < 0.001) men, white, married, pretrial, and charged with or convicted of violent offenses. Psychiatric diagnosis, alcohol abuse, taking psychotropic medication, and suicidal ideation were also positively correlated in the international study, but suicide victims were distributed more evenly over age-groups. Results of other studies illustrate the near universality of some findings. Three theories of suicide are briefly discussed. 相似文献