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A 2‐Year Study of Δ 9‐tetrahydrocannabinol Concentrations in Drivers: Examining Driving and Field Sobriety Test Performance,, 下载免费PDF全文
Kari Declues M.S. Shelli Perez M.S. Ariana Figueroa M.S. 《Journal of forensic sciences》2016,61(6):1664-1670
From November 1, 2010 through November 30, 2012, 1204 whole‐blood samples were confirmed to contain THC alone or in combination with other drugs out of nearly 5000 Orange County, California, drivers suspected of driving under the influence of drugs. The goal of this study was to examine police reports and drug recognition expert evaluations of THC‐positive samples within this 2‐year time frame to determine whether there is a correlation between whole‐blood THC concentrations and field sobriety tests performance on DRE and non‐DRE evaluations. The FSTs prove to be sensitive to impairment by marijuana although as suspected, the findings of this study did not find a correlation between performance on field sobriety tests and the concentration of THC tested in whole‐blood samples. Driving behaviors were also examined and found to be similar to those seen in alcohol impairment. Future studies examining DRE findings are needed to confirm the results. 相似文献
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Research evaluation is increasingly influenced by quantitative data. We focus on the influential Web of Science Journal Citation Reports (JCR) ranking of law journals and critically assess its methodology. In particular, we consider the existence and impact of a tacit citation cartel between US law reviews. A study of 45 US student‐edited (SE) and 45 peer‐reviewed (PR) journals included in the category of Law in the JCR revealed that PR and SE journals are more inclined to cite members of their own class and that this phenomenon is more pronounced in SE generalist journals, reflecting tacit cartelistic behavior generated by deeply entrenched institutional practices. Because US SE journals produce more citations than PR journals, the fact that their citations are directed almost exclusively to SE journals elevates their scores and distorts the journals' ranking and can consequently undermine the flow and creation of ideas. We discuss policy measures that can counter the adverse effects of this situation. 相似文献
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Lisa M. Perez Jeremy Jones David R. Englert Daniel Sachau 《Journal of Police and Criminal Psychology》2010,25(2):113-124
This study examines the psychological impact of viewing disturbing media on investigators engaged in computer forensics work.
Twenty-eight federal law enforcement personnel who investigate Internet child pornography cases completed measures of secondary
traumatic stress disorder (STSD) and burnout. Substantial percentages of investigators reported poor psychological well-being.
Greater exposure to disturbing media was related to higher levels of STSD and cynicism. STSD and burnout scores were related
to increased protectiveness of family, reliance on co-workers, general distrust, and turnover intentions. On a positive note,
investigators scored high in professional efficacy, indicating they feel their work makes a difference. Furthermore, personnel
with supportive relationships scored lower on both STSD and burnout. 相似文献
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A Two‐Year Study of Δ 9 Tetrahydrocannabinol Concentrations in Drivers; Part 2: Physiological Signs on Drug Recognition Expert (DRE) and non‐DRE Examinations,, 下载免费PDF全文
Kari Declues M.S. Shelli Perez M.S. Ariana Figueroa M.S. 《Journal of forensic sciences》2018,63(2):583-587
Whole blood samples were examined for ?9‐Tetrahydrocannabinol (THC) over 2 years in drivers suspected of driving under the influence. Part one of the study examined the link between [THC] and performance on field sobriety tests. This portion examined objective signs, eye examinations and physiological indicators; and their relationship to the presence of THC. Several objective signs were excellent indicators of the presence of THC: red eyes (94%), droopy eyelids (85.6%), affected speech (87.6%), tongue coating (96.2%), and odor of marijuana (82.4%). About 63.6% of THC positive subjects had dialted pupils (room light). THC positive subjects had either rebound dilation or hippus in 88.8% of cases. Pulse and blood pressure (BP) were evaluated to determine any correlation with [THC]. An increased pulse rate correlated well to the presence of THC (88.5%), but not [THC]. BP did not correlate to [THC] and was also a poor indicator of THC in the blood (50% high). 相似文献
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There is an important volume of reflections on the theoretical and methodological proximity of semiotics and brand. I emphasize the texts of Lencastre and Corte-Real on brand myopia, Perez on brand expression and the proposition of a brand analysis model based on TGS de Peirce, and Mick with his studies of branding, marketing, and advertising, among others. However, the constitutive tension of the sign-brand, in its complexity as a media phenomenon determined by the sign object, pulsates in harmony with the emotional, associative, and cognitive relations it is able to generate in the interpreting minds. Brand as a complex sign, detached from the shackles of marketing management, grows toward the performing hybridism of digital technologies and arts, finding its interpreters – open-minded, active, and desirous of constant negotiations of meaning – in countless semioses. The purpose of the present article is to show that the sign strength of contemporary brands lies in their ability to index consumption based on advertising metadiscourse that reveals its audiences' social values and the objectual power by which it is determined. To this end, the study integrated knowledge of the semiotic analysis of the expressions of twenty international brands in the fashion, food, and technology industries, and the systematization and analysis of their value offers. 相似文献
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Anne Dray Lorraine Mazerolle Pascal Perez Alison Ritter 《Journal of Experimental Criminology》2008,4(3):267-287
Our paper examines how street-level drug markets adapt to a macro-level disruption to the supply of heroin, under three experimental
conditions of street-level drug law enforcement: random patrol, hot-spot policing and problem-orientated policing. We utilize
an agent-based model to explore the relative impact of abstractions of these three law enforcement strategies after simulating
an ‘external shock’ to the supply of heroin to the street-level drug market. We use 3 years of data, which include the period
of the ‘heroin drought’ in Melbourne (Australia) that commenced in late 2000 and early 2001, to measure changes in a selected
range of crime and harm indicators under the three policing conditions. Our results show that macro-level disruptions to drug
supply have a limited impact on street-level market dynamics when there is a ready replacement drug. By contrast, street-level
police interventions are shown to vary in their capacity to alter drug market dynamics. Importantly, our laboratory abstraction
of problem-orientated policing is shown to be the optimal strategy to disrupt street-level injecting-drug markets, reduce
crimes and minimize harm, regardless of the type of drug being supplied to the market.
相似文献
Alison RitterEmail: |
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Sofia A. Perez 《国际研究季刊》1998,42(4):755-784
This article challenges the adequacy of prevalent market-driven models of regulatory change, and more specifically, the stipulation that international market integration will lead governments undertaking financial liberalization in formerly interventionist states to carry out adequate market reforms. It does so through an analysis of financial regulation in two European countries: France and Spain. The article offers an integrated historical perspective on regulatory change which suggests that the market-driven convergence thesis does not adequately capture the political dynamic behind financial interventionism and liberalization in the two countries. The introduction of dirigisme and its later-day abandonment were driven less by the "state vs. market” dynamics emphasized in much of the literature than by macroeconomic policy choices on the part of postwar elites. Focusing on similarities and differences in the timing and pattern of reform, the article argues that dirigisme was abandoned in France and Spain not because of changing sectoral pressures or the lack of viability of external controls, but because it raised the political costs of monetary austerity for elected authorities. This link between regulatory choices and the politics of macroeconomic adjustment has implications that are likely to be critical in any country undergoing financial liberalization. 相似文献
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