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1.
The optical and morphological properties of resveratrol were investigated. This nontoxic fluorescent natural material, emitting in the visible blue light, was used as an optical marker, enabling the enhancement of the image contrast coming from relief pictures marked on challenging surfaces. By applying appropriated imaging softwares, this marker was verified to be very useful in the latent fingerprint recognition deposited on different wood surface types, mainly those with high level of roughness, where conventional forensic materials do not allow effective fingerprint image visualization.  相似文献   
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The question considered is whether it is possible to trace a theoretical strategy for a criminal policy on the basis of Marx's work. The answer offered is that Marxian political and economic analysis does not supply any general theory of criminality and that any attempt to formulate such a theory (as in Lenin, Paukanis or Gramsci) necessarily leads to authoritarian and regressive conceptions of crime and punishment. Nevertheless the authors maintain that it is possible to trace three theoretical suggestions within Marxian thought which allow of a fruitful approach to the criminal question. The first suggestion relates to the economic roots of many aspects of modern criminality; the second regards the Christian and bourgeois superstition of moral liberty and individual culpability; the third suggestion deals with the lack of a guaranteed social space as the prime root of crime. These theoretical suggestions permit clarification of the social character of penal responsibility and this character points to the need for the socialization (but not deregulation) of criminal treatment.This essay grew out of a reply to a questionnaire drawn up by La questione criminale, an Italian review which tries to approach the criminal question from a Marxist standpoint.  相似文献   
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This paper explores the institutionaldeterminants of economic growth in LatinAmerica by taking advantage of recentempirical research that employs subjectiveand objective measures to test for apossible “Northian” explanation that linksinstitutional quality and economic growth.We explore a simple framework that may helpbetter understand the policymakers’ choicesand persistence regarding inward-lookingpolicies that were pursued between the1930s and the 1980s by arguing that in theLatin American case Olson’s (1982) idea ofencompassing interest should be expanded tocover not only the economic stakes of powerholders, but in particular, their psychicincome which includes their politicalstakes, along the lines of recent work byRobinson (1997), Coyne (2002), andothers.  相似文献   
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非洲联盟面临的挑战   总被引:1,自引:0,他引:1  
非洲面临最重要的挑战就是如何避免并解决冲突,恢复和巩固和平。持久和平是非洲应对其他挑战的先决条件。非洲联盟的建立显示出非洲人民应对挑战的决心,其目标就是要消除贫困,维护和平,使非洲各国走上经济持续发展的道路。中国是最早向莫桑比克提供援助的国家之一,非洲国家视中国为伙伴和盟友,中非合作的前景广阔。  相似文献   
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Abstract

Global, national and local policies and programmes for agricultural development are recurrently justified based on their alleged role in improving food and nutrition security. However, strikingly little evidence is available to prove that a direct, household-level link between agricultural production and improved nutrition exists. The objective of this special issue is to systematically and empirically test, using data from Africa and South Asia, whether a relationship between household agricultural production and nutrition can be found. Overall, the studies in this special issue support the hypothesis that household agricultural production has direct and important linkages with dietary patterns and nutrition.  相似文献   
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An unprecedented number of Western women have recently joined the Islamic State of Iraq and Syria (ISIS). The group has envisaged strictly non-combat roles for them, but violence is an essential part of their embraced ideology and several signs suggest that they could claim a more militant role. Their marginalization, however, is essential for the preservation of ISIS's power system and it is consequently unlikely that it would accommodate such aspiration, at least in the areas of the proclaimed caliphate. It could be different in the West, where women returning from conflict areas or those, even more numerous, anxious to join but unable to travel, could engage in violent acts.  相似文献   
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Beyond all the material and economic losses that natural disasters produce, post-disaster environments can alter the social capital of a community by affecting social norms, attitudes, and people’s behaviour. To analyse this issue, we empirically investigate the effect that the aftermath of a disaster can have on trust and reciprocity of people within communities. We do this by comparing outcomes of trust games conducted in earthquake-affected and non-affected rural villages one year after the 2010 Chilean earthquake. Our findings show that while trust levels do not differ across cases, reciprocity is lower in earthquake-affected areas.  相似文献   
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