全文获取类型
收费全文 | 379篇 |
免费 | 20篇 |
专业分类
各国政治 | 17篇 |
工人农民 | 41篇 |
世界政治 | 20篇 |
外交国际关系 | 18篇 |
法律 | 210篇 |
中国共产党 | 1篇 |
中国政治 | 17篇 |
政治理论 | 68篇 |
综合类 | 7篇 |
出版年
2023年 | 8篇 |
2022年 | 4篇 |
2021年 | 4篇 |
2020年 | 14篇 |
2019年 | 19篇 |
2018年 | 16篇 |
2017年 | 25篇 |
2016年 | 17篇 |
2015年 | 14篇 |
2014年 | 19篇 |
2013年 | 46篇 |
2012年 | 33篇 |
2011年 | 16篇 |
2010年 | 21篇 |
2009年 | 20篇 |
2008年 | 15篇 |
2007年 | 19篇 |
2006年 | 15篇 |
2005年 | 14篇 |
2004年 | 11篇 |
2003年 | 9篇 |
2002年 | 5篇 |
2001年 | 7篇 |
2000年 | 4篇 |
1999年 | 3篇 |
1998年 | 1篇 |
1997年 | 2篇 |
1995年 | 1篇 |
1994年 | 1篇 |
1993年 | 1篇 |
1992年 | 2篇 |
1990年 | 3篇 |
1988年 | 3篇 |
1987年 | 1篇 |
1986年 | 2篇 |
1985年 | 1篇 |
1984年 | 1篇 |
1983年 | 2篇 |
排序方式: 共有399条查询结果,搜索用时 31 毫秒
81.
82.
The difficulty of coordinating service provision in interagency programs is a challenge for many working in public policy. We reflect on lessons learned through evaluating two inter‐agency supported housing programs for people with mental illness and propose a framework outlining components needed for well co‐ordinated service provision. We specify collaborative mechanisms at the policy, agency, service and client level. The key component is the role of an ‘integration coordinator': a person who is able to facilitate relationships and ensure effective information flows. Relationships need to be actively maintained to meet the inevitable challenges that will arise in complex interagency systems. The framework is relevant to policymakers across the public sector, including mental health, drug and alcohol, aged care, and policing. 相似文献
83.
Purpose
A prominent explanation of why certain groups of people fear crime more than others focuses on physical and social vulnerability. Some researchers have argued that physical vulnerability characteristics (e.g., gender, age, health) are more important in determining one's fear of crime while others have argued that social vulnerability characteristics (e.g., race and socioeconomic status) are more important.Methods
We test the independence of the physical and social vulnerability characteristics through a nationally representative sample of Americans. Using a multilevel path modeling approach, we examine whether the physical or the social vulnerability explanation is more powerful in its explanation, or whether a combination of both vulnerabilities explains fear of crime.Results
Results suggest that the two explanations are interdependent to some degree; with the direct effects of social vulnerability being most tied to physical indicators of vulnerability through indirect effects. To a lesser degree, the direct effects of physical vulnerability are also tied to fear of crime indirectly through indicators of social vulnerability.Conclusions
The implications of these results are discussed. 相似文献84.
The use of restorative justice in cases of sexual violence is highly contentious. Some argue that it may trivialize violence against women, revictimize the vulnerable, and endanger the safety of victim‐survivors. On the other hand, from the perspective of victim‐survivors, it may enable us to hear their stories more holistically, offering greater control and validation, and reduce victim‐blaming. It may also provide an additional opportunity to secure some form of justice. Debate over the validity of these competing claims has largely taken place in an empirical vacuum. This article considers the results of an exploratory study of a restorative justice conference involving an adult survivor of child rape and other sexual abuse. The results, while necessarily tentative, provide good ground to consider afresh the possibilities of restorative justice in cases of sexual violence. We suggest that for those victim‐survivors who wish to pursue this option, restorative justice may offer the potential to secure some measure of justice. 相似文献
85.
William F. Case 《Democratization》2013,20(4):51-80
This article assesses the usefulness of the literature on democratic transitions for analysing recent regime change in Indonesia. A first stage in this literature emphasized the autonomy of elite relations (whether unified or disunified) and the roles adopted by elites (for example, soft‐liners, minimalists and swingmen). A second stage contextualized elite behaviours, addressing such variables as economic crisis and the intrinsic properties of different modes of transition. However, some limitations in this conceptualization are revealed by attempts to apply it in the Indonesian case. Specifically, elite relations are difficult to classify empirically and role choices remain highly ambiguous. Further, the notion that economic crisis compels elites to democratize, and second, the argument that transition by opposition‐led ‘replacement’ leads to far‐reaching changes and authoritarian backlash, are unsupported by Indonesian data. Two principal conclusions are reached: Indonesian democracy has good prospects for consolidating, and the literature on transitions has limited capacity to explain this benign outcome. 相似文献
86.
This paper describes a procedure for the determination of psilocin and psilocybin in mushroom extracts using high-performance liquid chromatography with postcolumn chemiluminescence detection. A number of extraction methods for psilocin and psilocybin in hallucinogenic mushrooms were investigated, with a simple methanolic extraction being found to be most effective. Psilocin and psilocybin were extracted from a variety of hallucinogenic mushrooms using methanol. The analytes were separated on a C12 column using a (95:5% v/v) methanol:10 mM ammonium formate, pH 3.5 mobile phase with a run time of 5 min. Detection was realized through a dual reagent chemiluminescence detection system of acidic potassium permanganate and tris(2,2'-bipyridyl)ruthenium(II). The chemiluminescence detection system gave improved detectability when compared with UV absorption at 269 nm, with detection limits of 1.2 x 10(-8) and 3.5 x 10(-9) mol/L being obtained for psilocin and psilocybin, respectively. The procedure was applied to the determination of psilocin and psilocybin in three Australian species of hallucinogenic mushroom. 相似文献
87.
88.
Poetsch M Lüdcke C Repenning A Fischer L Mályusz V Simeoni E Lignitz E Oehmichen M von Wurmb-Schwark N 《Forensic science international》2006,159(2-3):98-103
In a certain amount of paternity investigations, only DNA from child and alleged father is analyzed, thus increasing the possibility of false paternity inclusions. The aim of this study was to determine how many wrong paternity inclusions could be detected in a rather small geographical area comparing empirical results from 336 children and 348 men (13-15 STRs were investigated per person). This comparison between each child and all unrelated men (i.e. all putative fathers from the other cases) with an especially designed computer program resulted in 116,004 man/child pairs. Less than three excluding STRs were found in 1666 child/unrelated man pairs (1.44% of the comparisons). At least one unrelated man with only two or less STR mismatches could be determined for 322 children (95.8% of all investigated children). In 26 comparisons no STR mismatches between a child and an unrelated man were detected, thus at least one and up to three "second father(s)" under 350 men could be found for 23 children, if the mother is excluded. Paternity probabilities between 95.475% and 99.996% were calculated. Our results underline the difficulties in motherless paternity cases using only STR analysis and advise great precaution in assigning verbal predicates such as "paternity proven" in those investigations. 相似文献
89.
Partner violence causes many negative outcomes for the target of the violence. Preventing negative outcomes in part hinges on altogether preventing the violence from occurring. There have been advances in violence prevention that the authors briefly review. However, some of the most notable advances focus on dealing with partner violence once it occurs. We now have a better understanding of different types of violence, and this has led to better interventions for perpetrators. But preventing the negative consequences of partner violence involves more than ending the violence itself; it also involves helping the targets of violence heal. The authors propose that the next decade of research on partner violence should focus on developing precise models of target coping and appropriate interventions for targets. The authors describe key variables that characterize the coping process but highlight limitations in knowledge of how these variables are related. The authors also outline several benefits of focusing on helping targets. 相似文献
90.
Ethanol formation in unadulterated postmortem tissues 总被引:2,自引:0,他引:2
During the investigation of aviation accidents, postmortem samples obtained from fatal accident victims are submitted to the FAA's Civil Aerospace Medical Institute (CAMI) for toxicological analysis. During toxicological evaluations, ethanol analysis is performed on all cases. Many species of bacteria, yeast, and fungi have the ability to produce ethanol and other volatile organic compounds in postmortem specimens. The potential for postmortem ethanol formation complicates the interpretation of ethanol-positive results from accident victims. Therefore, the prevention of ethanol formation at all steps following specimen collection is a priority. Sodium fluoride is the most commonly used preservative for postmortem specimens. Several studies have been published detailing the effectiveness of sodium fluoride for the prevention of ethanol formation in blood and urine specimens; however, our laboratory receives blood or urine in approximately 70% of cases. Thus, we frequently rely on tissue specimens for ethanol analysis. The postmortem tissue specimens received by our laboratory have generally been subjected to severe trauma and may have been exposed to numerous microbial species capable of ethanol production. With this in mind, we designed an experiment utilizing unadulterated tissue specimens obtained from aviation accident victims to determine the effectiveness of sodium fluoride at various storage temperatures for the prevention of microbial ethanol formation. We found that without preservative, specimens stored at 4 degrees C for 96 h showed an increase in ethanol concentration ranging from 22 to 75 mg/hg (average 42 +/- 15 mg/hg). At 25 degrees C, these same specimens showed an increase ranging from 19 to 84 mg/hg (average 45 +/- 22 mg/hg). With the addition of 1.00% sodium fluoride, there was no significant increase in ethanol concentration at either temperature. 相似文献