通过痕迹认定肇事车辆

随着交通事故勘验技术的发展,物证技术在重特大交通事故现场勘验以及侦破交通逃逸案件中发挥的作用越来越重要.痕迹检验技术作为物证技术的一个重要分支,在认定肇事车辆中发挥着举足轻重的作用.交通事故中的痕迹是车辆与车辆、人体、道路等客体在路面上相对高速运动形成的痕迹,相对于其它类型案件有着自己的特点.交通事故中的痕迹分布范围广、造痕体和承痕体相对运动剧烈,形成痕迹的造痕体和承痕体大多都会发生形变.基于交通事故中痕迹形成的这些特点,交通事故中的痕迹检验难度是比较大的.但交通事故中车辆的特殊结构形成的印压痕迹、车辆轮胎、摩托车车篮等造痕体在灰尘等介质作用下在人体的衣服等表面形成的印压痕迹都可以很好反映造痕体的外部结构特征,从这些痕迹反映出造痕体的外部结构特征可以寻找和认定交通肇事车辆.     

Student Willingness to Seek Help for Threats of Violence in Middle School

Abstract

This study examined factors that influence a student's willingness to seek help for a threat of violence. The sample consisted of 542 middle school students who completed an anonymous survey that asked students how likely they would be to seek help in response to being bullied or threatened. The survey also included measures of type of bullying, attitudes toward aggressive behavior, and perceptions of teacher tolerance for bullying. Stepwise multiple regression analyses indicated that willingness to seek help is lower in higher grade levels and among males. Students who hold aggressive attitudes and perceive the school climate to be tolerant of bullying were less likely to report a willingness to seek help. Implications for improving student willingness to seek help are discussed.     

Examination of the steps leading up to the physical developer process for developing fingerprints

This is a systematic study that examines several acid prewashes and water rinses on paper bearing latent prints before its treatment with a silver physical developer. Specimens or items processed with this method are usually pretreated with an acid wash to neutralize calcium carbonate from the paper before the treatment with a physical developer. Two different acids at varying concentrations were tested on fingerprints. Many different types of paper were examined in order to determine which acid prewash was the most beneficial. Various wash times as well as the addition of a water rinse step before the development were also examined. A pH study was included that monitored the acidity of the solution during the wash step. Scanning electron microscopy was used to verify surface calcium levels for the paper samples throughout the experiment. Malic acid at a concentration of 2.5% proved to be an ideal acid for most papers, providing good fingerprint development with minimal background development. Water rinses were deemed unnecessary before physical development.     

Continuity and Pathways from Aggression in Childhood to Family Violence in Adulthood: A 30-year Longitudinal Study

Literature suggests that early patterns of aggressive behavior in both girls and boys are predictive of later violent behavior, including violence that takes place within family contexts. Utilizing the Concordia Longitudinal Risk Project, a study of individuals recruited as children in the 1970s from inner-city schools in Montreal, this study examined different pathways whereby aggressive behavioral styles in childhood may place individuals at risk for continuing patterns of violence towards children and spouses. Childhood aggression directly predicted self-reported violence towards spouse for both sexes, with indirect routes through lowered educational attainment and marital separation. Aggression in childhood was also found to predict parents’ self-reports of using violence with their children. For mothers, educational attainment and current absence of the biological father from the child’s home also played important roles in predicting violent behavior towards offspring. These findings provide evidence of both continuity of aggressive behavior and indirect risk paths to family violence, via lower educational attainment and parental absence. In both men and women, childhood aggression may be an identifiable precursor of family violence and child abuse.     

关于加强政法干警体能监测训练的可行性研究

政法系统广大干警和后备人才,担负着维护国家的安定团结,维护社会治安,保证人民享有正常的生活秩序的重任.为全面提高政法人才的身体素质,通过必要的体能训练及随时监测第一线上的广大干警身体状况,对发现的问题及时采取补救措施.使他们具有强健体质,应对来自各方面的挑战,并有能力完成任务,取得胜利.     

普通高校应加强体育理论课教学

高校体育理论课教学既是素质教育的重要内容和手段，也是推进素质教育的重要切入点和突破口，强化高校体育理论教学，首先要转变观念，从思想上予以重视，同时加强教学内容和教学方法改革与创新，提高教师素质。     

Childhood Adversities and Suicide Attempts: A Retrospective Study

The aim of the study was to assess the association among various childhood adversities and suicide attempts. A total of 575 patients of a psychosomatic clinic and general practitioners were examined by use of a structured interview. Seventeen percent of the sample reported a suicide attempt in the past. In particular, two forms of early violence (i.e., sexual abuse and harsh physical punishment) were associated with an increased risk for suicide attempts. In addition, financial hardship was associated with an increased risk for suicide attempts. Parental separation or divorce, and physical arguments between parents, increased the risk only in a bivariate analysis; after controlling for other adversities, no association with suicide attempts remained. Suicide attempts can be considered as an act of violence against oneself; they are associated with early experiences of sexual and physical violence.     

公安院校体育教学中主体教育理论的探讨

主体教育理论的核心是马克思主义关于人的全面发展理论。主体教育就是把培养人的主体性即人的能动性、自主性、创造性作为主要目标的教育。在公安院校体育教学过程中，坚持主体教育的主体参与、合作学习、身心兼顾、差异发展以及体验成功等教学策略，能够促进人的全面、和谐发展。     

浅谈高职物流管理学科建设的必要性

随着全球经济的一体化和我国经济的发展,企业对物流人才的需求量会越来越大。但我国物流专业人才极度短缺,影响了国内物流业的长足发展。面对这一现象,应对陕西国防工业职业技术学院开设物流管理专业可行性进行思考。     

RESIDENT PERCEPTIONS OF CRIME AND DISORDER: HOW MUCH IS “BIAS”, AND HOW MUCH IS SOCIAL ENVIRONMENT DIFFERENCES?*

This study attempted to disentangle the extent to which residents are systematically biased when reporting on the level of crime or disorder in their neighborhood. By using a unique sample of households nested in household clusters, this study teased out the degree of systematic bias on the part of respondents when perceiving crime and disorder. The findings are generally consistent with theoretical expectations of which types of residents will perceive more crime or disorder and contrast with the generally mixed results of prior studies that used an inappropriate aggregate unit when assuming that residents live in the same social context of crime or disorder. Estimating ancillary models on a sample of respondents nested in tracts produced mixed results that mirror the existing literature. This article shows that Whites consistently perceive more crime or disorder than their neighbors. It also shows that females, those with children, and those with longer residence in the neighborhood perceive more crime or disorder than their neighbors.