Perceptions of blind proficiency testing among latent print examiners

In recent years, scholars have levied multiple criticisms against traditional proficiency testing procedures in forensic laboratories. Consequently, on several occasions, authorities have formally recommended that laboratories implement blind proficiency testing procedures. Implementation has been slow, but laboratory management has increasingly expressed interest in initiating blind testing in at least some forensic disciplines, with some laboratories conducting blind testing in almost all disciplines. However, little is known about how a key population perceives blind proficiency testing, i.e., forensic examiners. We surveyed active latent print examiners (N = 338) to explore perceptions of blind proficiency testing and determine whether beliefs varied between examiners who work for laboratories with and without blind proficiency testing. Results suggest that examiners do not hold particularly strong beliefs about such procedures, but that examiners who work in laboratories with blind proficiency testing procedures view them significantly more positively than those who do not. Further, examiner responses provide insight into potential obstacles to continued implementation.     

International communication: shifting paradigms,theories and foci of interest

Abstract

This article aims to be a stock-taking exercise of the development of paradigms and foci of interest, in attempts to theorise the vast developments and far-reaching changes as well as the impact and effects of global communication in the world of today. Attention is firstly given to the current nature, impact and implications of global communication in the first decade of the 21^st century, as well as to a shift in emphases in the (sub)discipline of international communication. A critical overview is then given of discourses on the free flow of information, modernisation theory, dependency theory, the structural theory of imperialism, world system theory, hegemony, political economy, critical theory, the public sphere, cultural studies, the information society and globalisation. Since many of these paradigms have been borrowed or taken over from media studies, international relations or other (sub)disciplines, attention is given specifically to their application in theorising international communication. The article concludes with a critical overview of the current ‘state of the art’ with regard to the body of theory in international communication.     

流动注射—化学方光法检测人体血清内枸橼酸芬太尼

目的建立灵敏测定生物样品中皮克级枸橼酸芬太尼的方法。方法使用流动注射-化学发光法、鲁米诺-溶解氧体系检测芬太尼,蠕动泵流速2.0mL/min,鲁米诺与NaOH混合后被六通阀定量注入系统直至形成稳定基线,同时将样品推进送入混合管。碱性混合液被送入化学发光流通池产生化学发光,光电倍增管和光度计即检测到发光信号强度。结果在1.0～700pg/mL线性范围内,化学发光强度与芬太尼浓度呈线性关系,且发光强度随浓度增大呈增敏趋势,检出限低至0.3pg/mL。相对标准偏差在3.0%以内。分析过程可在30s内完成,采样频率120次/h。回收率98.9%～103.1%。结论该方法已经成功应用于检测人体血清中的枸橼酸芬太尼。     

农民工流动动因及特点研究综述

"流动性"既是农民工存在形式上的一大特点,也是当前解决农民工就业、教育等问题的症结所在。研究农民工的"乡-城"流动对认识农民工群体的形成、以及预测农民工群体的发展势态具有重要意义。     

检察机关案件流程管理模式的若干思考

实现检察案件管理模式的现代化,要分析研究案件质量管理自身的特点以及与全面质量管理模式间的趋同性,准确地寻找两者的结合点。科学构建检察案件管理模式的目标是实现检察化,要吸收现代质量管理模式的精华,又符合检察规律;科学的管理模式要解决成本大、程序繁琐的问题,以增强案件流程管理模式的操作性和实用性。     

死后组织DNA变化与死亡时间关系的研究

为调查死后组织DNA含量变化与死亡时间的关系,本文采用流式细胞仪对死后0～96小时(0～96hourpostmortem,hpm)大鼠的骨骼肌、脾、肾细胞DNA含量进行分析,结果表明,各组织显示了随死后间隔时间延长,含碎片DNA细胞增多,含完整DNA细胞减少的趋势;DNA降解系列组方图分析结果表明,脾组织降解速度明显快于肾和骨骼肌组织;骨骼肌在制成单细胞悬液过程中的人为损伤,可造成DNA提前降解.     

论国有资产产权流动和重组

国有资产产权重组是社会主义市场经济的客观要求.通过国有资产产权的流动和重组,可以盘活国有资产存量,提高生产的专业化程度和社会化水平,,增强国有企业的活力.     

不同纸张上手印的茚二酮显现研究

目的:评价茚二酮对不同纸张上潜在手印的显现效果,以确定茚二酮法的应用前景。方法:针对茚二酮的特点设计实验方案,用具体的实验过程以及实验结果来论证茚二酮的显现效果。结果:茚二酮对30天以内的汗液手印的显出率能达到75%以上,对30天以内的纯鸡蛋白手印的显出率能达到95%。结论:茚二酮对于不同纸张上的汗液手印和蛋白质手印显现效果良好。     

Desistance or Displacement? The Changing Patterns of Offending from Adolescence to Young Adulthood

Research has devoted substantial attention to patterns of offending during the transition to early adulthood. While changes in offending rates are extensively researched, considerably less attention is devoted to shifts in the type of offending displayed during the transition to adulthood. Changes in the type of offending behavior suggest a pattern of “displacement” or shifts between various types of crime, rather than desistance from deviant behavior. In this paper, I integrate methods previously developed in stratification research and use longitudinal data from the National Survey of Youth that span the transition to adulthood to examine the extent to which desistance and displacement of deviant behavior are defining attributes of offending during the transition to early adulthood. The findings indicate that while desistance is clearly present, altering patterns of offending, or within-person displacement, rather than termination of illicit activity is most evident in the data.

东盟跨境数据流动治理的机制构建

跨境数据流动是全球数字经济的重要基础,也是全球治理的新兴议题。在数字经济发展和东盟区域一体化的趋势下,东盟从统筹数字经济发展与数据保护入手,着眼于提升东盟国际竞争力和话语权,制定并完善跨境数据流动治理机制。这一机制的构建始于新加坡对数据保护规制的探索,基于东盟个人数据保护框架,在东盟数字一体化总体框架下制定数字管理框架,并以“东盟示范合同条款”和“东盟跨境数据流动认证”两大关键手段促进机制落实。该机制具有灵活性、包容性和指导性的特征,有利于促进东盟地区数字经济发展,降低谈判成本与合规成本,获得更多全球竞争优势。对于中国而言,在与东盟跨境数据流动治理机制合作对接方面具备可能性和可行性,需要充分认识和评估东盟机制对世界数字治理的影响、对地区数字经济秩序的挑战,推动中国与东盟之间的数字经济合作。