Exploitation of the Ultraviolet Properties and Machine Cut Edges of Paper to Associate and Sequence Sheets in a Ream

Previously unreported line patterns visible under ultraviolet light were observed on a proportion of plain white A4 printer/copier paper from different manufacturers. These Ultraviolet Line Patterns (UVLPs) usually appear as stripes down the vertical length of the paper. Typically, the UVLPs were found to “repeat” through the ream in a predictable way, while also changing. It is postulated that the repeating nature of the UVLPs is a result of the way that paper is manufactured. This leads to the ability to sequence the sheets compared to their original source paper. Even in the absence of UVLPs, it is possible to use our observation of the manufacturing process to anticipate the order of several sheets of paper and conclusively associate them, in some cases, by physically fitting their machine cut edges and crossing paper fibers. Such a novel approach to examining questioned documents would be highly useful in forensic casework.     

Assessing the Health Behaviors of African American Emerging Adults

The purpose of this article was to assess the overall health behaviors of African American emerging adults who live in a Midwestern city. Two hundred participants, ages 18–25, completed a 129-item survey. Results indicate that African American emerging adults are engaged in relatively healthy behaviors (i.e., physical activity, low substance use). The results also showed that within the emerging adult developmental period, there are differences in behavior for those who are in the younger (18–20) versus those that are older (21–25) in the developmental period. Limitations, future research, and implications for practice will also be discussed.     

我国工伤保险程序存在的问题及完善

工伤保险自诞生以来就具有强大的影响力,原因之一在于其程序简便易行。然而在我国,劳动者申请工伤保险待遇却要历经多重程序,耗时之长、过程之艰难已经成为工伤保险制度优越性发挥的障碍,为此,应以法律人本主义理念改革我国的工伤保险程序。     

浅谈高职法律院校体育教学改革

高职法律院校体育教学改革,应采用文献资料研究调查及问卷调查等方法,对高职法律院校体育教育现状及教学内容、方法、组织形式和教学评价进行客观研究,并探索当前高职法律院校体育教育的不足和影响体育教学的相关因素。在此基础上,体育教学应以健康第一为指导思想,以育人为目标,以终身体育为主线,推进当前体育教学改革。     

法医物证中常用的基因分型技术

现在我们普遍认为 ,理解了人类基因组的遗传变异就可以揭示人类疾病的易感性以及疗效差异的原回。本文将主要讨论几种不同的确认和探测遗传变异的方法。不同的等位基因识别方法在形式上可以分为以下几种 :1、酶学方法 ;2、电泳的方法 ;3、遗传变异的固相识别方法 ;4、层析法 ;5、其他的识别等位基因变异的物理学方法。本文主要介绍那些曾被广泛使用的技术方法 ,同时也涉及到几种虽然没有广泛使用但却具有极大潜在价值的方法 ,是对近几年来在法医物证领域中常用基因分型方法的总结。     

Physical Aggression and Sexual Behavior Among Siblings: A Retrospective Study

Retrospective recall of physical aggression and sexual behavior among siblings was investigated. Participants described behaviors between themselves and siblings in the family, their estimation of the appropriateness of the behavior, and their current relationship with their siblings. Additionally, participants completed measures of family structure and stress. Results indicated that rates of physical aggression among siblings was high, with varying severity. Rates of sexual behavior were lower. For both physical and sexual behaviors, participants were more likely to believe that the behaviors were abusive in retrospect than when they actually occurred. No differences were found in family structure among abusive and nonabusive siblings, but siblings who reported physical or sexual behaviors also reported higher levels of intrafamilial stress. Certain types of stressors may predict particular sibling relationships.     

云南少数民族体育产业化发展的阶段性及目标

研究云南少数民族体育产业化发展必须经历的阶段性及其目标 ,是推进少数民族体育产业化的重要依据。根据产业化的一般规律 ,结合云南省的实际 ,可将云南少数民族体育产业化发展分为三个阶段及发展目标 :培育阶段 ;成长阶段 ;成熟阶段。     

数据要素对制造业高质量发展的影响——来自制造业上市公司微观视角的经验证据

随着数字经济与实体经济的不断融合发展,数据已经成为经济发展进程中的关键生产要素。基于手工整理的2011—2020年我国A股制造业上市公司年报数据的研究表明：制造业高质量发展是企业研发创新、生产制造、市场匹配三个环节整体联动实现更高效率发展的一种高级状态。数据要素能够显著促进我国制造业高质量发展,且主要是通过关键性技术突破与知识创新的研发创新效应、生产流程优化与协同的生产协同效应产生影响,但市场匹配效应尚未完全显现;数据要素对我国制造业高质量发展的推动作用在非国有企业、高技术密集度行业与东部地区更加显著。研究结论为数字经济时代下我国如何激活数据要素潜能、推进传统产业转型升级提供了政策启示。     

统计学方法在微量物证数据处理中的应用

统计学方法在微量物证理化检验工作中受到越来越多的重视,采用有效的统计学方法对检验数据进行分析,不仅能够深度挖掘复杂数据背后信息,还能不断提高数据的应用价值和证据本身的证据价值。本文对目前微量物证领域常用统计学方法进行归纳总结,简要介绍了常用统计方法的应用,对各类方法优缺点进行说明。最后,对法庭科学工作者都比较感兴趣的贝叶斯统计与似然比方法在理化检验数据统计分析中的应用进行了介绍。     

当前青年面临的压力及其应对方式

当前中国青年面临的压力主要有 :价值冲突压力、选择压力、就业和工作压力、学业压力等、婚恋压力以及人际关系压力等。在各种压力下 ,青年人的身心健康状况受到了不同程度的影响。青年人应采取适当的应对方式来平衡自己的心态 ,以应付所面临的各种压力