全文获取类型
收费全文 | 487篇 |
免费 | 34篇 |
专业分类
各国政治 | 33篇 |
工人农民 | 46篇 |
世界政治 | 30篇 |
外交国际关系 | 70篇 |
法律 | 201篇 |
中国政治 | 7篇 |
政治理论 | 131篇 |
综合类 | 3篇 |
出版年
2023年 | 10篇 |
2022年 | 2篇 |
2021年 | 9篇 |
2020年 | 18篇 |
2019年 | 21篇 |
2018年 | 32篇 |
2017年 | 36篇 |
2016年 | 35篇 |
2015年 | 26篇 |
2014年 | 22篇 |
2013年 | 93篇 |
2012年 | 20篇 |
2011年 | 27篇 |
2010年 | 11篇 |
2009年 | 14篇 |
2008年 | 13篇 |
2007年 | 16篇 |
2006年 | 10篇 |
2005年 | 7篇 |
2004年 | 15篇 |
2003年 | 6篇 |
2002年 | 4篇 |
2001年 | 6篇 |
2000年 | 8篇 |
1999年 | 4篇 |
1998年 | 6篇 |
1997年 | 2篇 |
1996年 | 6篇 |
1995年 | 6篇 |
1994年 | 2篇 |
1993年 | 2篇 |
1992年 | 4篇 |
1991年 | 4篇 |
1990年 | 3篇 |
1989年 | 2篇 |
1988年 | 3篇 |
1987年 | 3篇 |
1986年 | 2篇 |
1983年 | 3篇 |
1982年 | 2篇 |
1980年 | 1篇 |
1978年 | 3篇 |
1970年 | 1篇 |
1967年 | 1篇 |
排序方式: 共有521条查询结果,搜索用时 31 毫秒
51.
The “cloud” is not new, and its roots go back to the original plans for computing from the 1950s. Now that computing is moving back to the original cloud-based models that were envisioned more than 60 years ago, with it, consumers are realizing the increases in security and safety that accompany the move to centralized servers. Yet the perception of “trust” in this context is often still formed by views that people have from their use of computers over the past two decades, which is localized in nature (“if I can see it, I can control it”). This view is based on perception more than fact. Our paper discusses different views of trust in other contexts (such as banking and travel) and concludes that users of cloud computing should recast their view of trust in a similar way that consumers of banking and travel have changed their perceptions of trust in the last 100 years. 相似文献
52.
A 48-year-old-woman was struck dead by lightning on October 24, 2010, in Pretoria, South Africa. The cause of death was due to direct lightning strike. Examination showed secondary missile injury on her legs. This secondary missile (shrapnel) injury was caused by the lightning striking the concrete pavement next to her. Small pieces of concrete were located embedded within the shrapnel wounds. This case report represents the first documented case of secondary missile formation (shrapnel injury) due to lightning strike in the literature. 相似文献
53.
Ryan C. Meldrum Jacob T. N. Young Carter Hay Jamie L. Flexon 《Journal of Quantitative Criminology》2012,28(4):673-699
Objectives
The purpose of this study is twofold. First, this study assesses the extent to which self-control and maternal attachment mutually influence one another. Second, it investigates whether this process continues to occur during adolescence. To date, studies of the etiology of self-control have yet to adequately address these issues, despite the fact that a number of theoretical perspectives emphasize the reciprocal nature of the parent-child relationship.Methods
The current study seeks to shed light on these issues by examining the relationship between self-control and maternal attachment using structural equation modeling for eight waves of data spanning a period of time that encompasses early childhood through middle adolescence.Results
The results yield two findings bearing on the adequacy of Gottfredson and Hirschi??s model of self-control development. First, measures of self-control and maternal attachment were found to mutually influence one another during childhood. Second, these effects were reduced to nonsignificance during adolescence.Conclusions
This study finds that self-control emerges during childhood in a complex manner in which it both shapes and is shaped by parental attachment. 相似文献54.
Kate Ryan Kuhlman Kathryn H. Howell Sandra A. Graham-Bermann 《Journal of family violence》2012,27(6):499-510
Exposure to violence and traumatic events during childhood has long been associated with poor physical and psychological health during adulthood. Very few studies, however, have taken steps to understand the immediate relationship between exposure to intimate partner violence (IPV) and physical health problems in young children. In this study, we examined the mother-reported physical health problems of 102 preschool-age children who have been exposed to IPV. We found that children exhibiting more traumatic stress symptoms displayed fewer total health problems; however, gastrointestinal problems and asthma were related to poor psychological adjustment. We also found that preschool-age girls were more likely to display health problems than boys. Future studies of the physical health consequences of exposure to IPV in young children would benefit from examinations of specific changes in physiological processes to draw conclusions about the effects of violence on immune system functioning and physical health. 相似文献
55.
Febres J Shorey RC Brasfield H Zucosky HC Ninnemann A Elmquist J Bucossi MM Andersen SM Schonbrun YC Stuart GL 《Journal of interpersonal violence》2012,27(15):3115-3126
The substantial increase in the enrollment of women in batterer intervention programs (BIPs) over the past 30 years has greatly outpaced research on women who perpetrate intimate partner violence (IPV). As a result, it is unknown whether existing programs, which were originally designed to treat male perpetrators, are effective at preventing recidivism among women. Recent research shows that men who perpetrate IPV may also aggress against nonintimate partners, children, and animals, and that the reach of their aggressive tendencies has implications for treatment. Conducting similar investigations on women who perpetrate IPV may help to inform treatment delivery in BIPs. This study examined the prevalence of adulthood animal abuse perpetration and its association with psychological and physical IPV perpetration in a sample of women arrested for domestic violence (N = 87). Seventeen percent (n = 15) of the women committed at least one act of animal abuse since the age of 18, in contrast to the 0.28% prevalence rate reported in the general population. The overrepresentation of animal abuse in this sample was consistent with that of men arrested for domestic violence. Furthermore, women who reported committing animal abuse as an adult showed moderately higher rates of psychological aggression and physical assault perpetration against their partners, relative to women who did not report animal abuse. Implications for future research are discussed. 相似文献
56.
Why are hate crime cases so rarely prosecuted? Most states and the federal government have hate crime laws on their books, yet available data indicate few prosecutions in most jurisdictions. Drawing on case files and interviews with police and prosecutors in one jurisdiction, three institutional impediments to hate crime prosecution are identified: evidentiary inflation, by which law enforcement uses a higher burden of proof than what is required by statute; loose coupling between police departments and prosecutors' offices; and cultural distance between law enforcement and victims. Findings also reveal that advocacy groups and media can successfully increase the visibility of cases and draw the attention of prosecutors. The findings align with aspects of legal endogeneity theory and enhance our understanding of the role of organizations in constructing the meaning of law. The results also help explain why some laws are rarely enforced, even when they have support from key personnel in an organization. 相似文献
57.
Evan Ryan 《Family Court Review》2023,61(3):650-664
Cryptocurrency has become the new hot investment for young investors. Everyone wants to get in on the next cryptocurrency bubble, and there are those that want to exploit this excitement and exploit children. Influencers who have young audiences are pushing cryptocurrency investments onto their audiences and not fully educating them on the risks. To avoid this exploitation, The Securities and Exchange Commission should actively regulate decentralized exchanges where children purchase cryptocurrency, put age limit regulations into place, and require know your customer systems to verify that minors are not purchasing cryptocurrency without the consent of a guardian. 相似文献
58.
According to a growing tradition in International Relations, one way governments can credibly signal their intentions in foreign policy crises is by creating domestic audience costs: leaders can tie their hands by publicly threatening to use force since domestic publics punish leaders who say one thing and do another. We argue here that there are actually two logics of audience costs: audiences can punish leaders both for being inconsistent (the traditional audience cost), and for threatening to use force in the first place (a belligerence cost). We employ an experiment that disentangles these two rationales, and turn to a series of dispositional characteristics from political psychology to bring the audience into audience cost theory. Our results suggest that traditional audience cost experiments may overestimate how much people care about inconsistency, and that the logic of audience costs (and the implications for crisis bargaining) varies considerably with the leader's constituency. 相似文献
59.
Ryan Gunderson 《Critical Horizons》2016,17(3-4):376-389
Consumer society has negated Freud's thesis presented in Civilization and its Discontents. The hindrance of desire affirmation is no longer the foundation of discontent. The inverse is now true. A seemingly limitless number of desires have been manufactured and administered with a solitary route to their affirmation via consumption. Because of this, consumer society's members find themselves in a lifeworld of aimless striving, dissatisfaction, disappointment and boredom. I demonstrate that the attempt to flee the sufferings of estranged labour through consumption has pushed consumer society into a new web of suffering brought on by a continual development of manufactured desires, creating a minor yet perpetual pain that is best understood in the light of a sociologized and historicized Schopenhauerian philosophy. 相似文献
60.
They Sell Skulls Online?! A Review of Internet Sales of Human Skulls on eBay and the Laws in Place to Restrict Sales
下载免费PDF全文
![点击此处可从《Journal of forensic sciences》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Christine L. Halling M.S. Ryan M. Seidemann M.A. J.D. 《Journal of forensic sciences》2016,61(5):1322-1326
Internet sales of human remains occur despite the existence of laws prohibiting such action in most jurisdictions. The most popular public platform for online sales, eBay, allows users to postskeletal material for sale, largely anonymously and without much fear of legal repercussions. This survey of skeletal sales was conducted 10 years after the first article published about online human remains sales. A review of current laws reveals that, while many states have laws that restrict any sale of human remains, those laws have questionable deterrent effect. Assessing the skeletal material posted for sale provides law enforcement agencies with a necessary starting point to curtail the sale of human remains through enforcement of existing laws. Ultimately, the goal is to stem the commodification of such items and to recover skeletal material, especially that which may be of archaeological or forensic significance, and provide the proper final disposition for such material. 相似文献