高职高专实用英语口语教学研究

培养学生的英语应用能力是教育部高教司对高职高专教育英语教学的战略定位。本文分析了高职高专学生英语口语能力现状与《基本要求》教学目的之间存在的差距及产生这一差距的原因,并提出应从教、学、考三个方面来提高高职高专学生的英语口语能力。     

三维激光扫描仪在立体足迹检验中的应用

三维激光扫描仪是用于采集实物三维几何数据信息的先进仪器。其运用全自动立体激光扫描技术,可以精确迅速地获取实物三维信息。将获得的信息通过点云数据处理软件转化为三维模型,实现实物的＂实景复制＂——三维建模。这种技术方法可以用于立体足迹的形态特征检验,在检验能力和效果上都更为出色。     

磁珠DNA自动提取系统在法医检验中的应用

磁珠DNA自动提取系统是将磁珠分离技术与DNA自动提取工作站结合运用,以达到高效提取DNA的目的,它具有操作时间短、准确性高、检材用量少等特点,特别适用于大批量生物检材的快速提取,是目前主流的DNA自动化提取方法。本文对磁珠DNA自动提取系统的基本组成、工作原理、操作流程及其在法医检验领域中的应用等进行了综述,并对该系统的发展前景进行了展望。     

The Ge.F.I. DNA Proficiency Test: Year-one experience

The Ge.F.I. (the Italian Speaking Working Group of ISFG) has launched the first DNA Proficiency Test in 2012. The aim is to increase the external quality controls in forensic genetics in Italy and to drive to the standardizations of methods within the laboratories. Reference and mixed stains typing as well as statistical exercises were proposed and 26 laboratories submitted results.     

Potential forensic application of closely linked autosomal STR haplotype in complex kinship testing

It has been noticed that the most commonly used commercial STR kits and mtDNA may not be able to solve some special kinship cases, such as alleged aunt, uncle, niece, nephew or half-siblings. Due to its unique hereditary pattern, the haplotype of genetic markers could be a solution of these questioned family relationships. In this study, we investigated the genetic features of an autosomal STR cluster by employing confirmed family samples. To evaluate the forensic practical value of autosomal STR haplotype, 5 closely linked STR loci, D1S2127-D1S2138-D1S3460-D1S1643-D1S518, which were arranged in about 2 cM region (from 186.29 cM to 188.02 cM; 1 cM represents 1% average recombination between two loci) on chromosome one, were selected to compose haplotype. Genotyping of 60 samples from 8 trios (father–mother–children), 8 duos (father or mother–children), and 4 three-generation pedigrees were performed using PAGE. Haplotypes were identified in the child by determining alleles for all 5 loci transmitted from each parent. Total 73 haplotypes were detected in all samples and 34 haplotypes were observed to be passed down as a whole and was corresponding with the inherited characteristics of haplotype. In all family members, 34 unrelated individuals contributed 65 haplotypes, of which 62 haplotypes appeared only once and the rest 3 haplotypes appeared twice. No recombination was observed in 4 three-generation pedigrees. In conclusion, the haplotype consisting of 5 closely linked autosomal STRs could pass down steadily as a whole. The family specificity of most haplotypes may provide a unique advantage in forensic complex kinship testing.     

汉代罪己诏中的政治观

罪己诏是古代帝王在面对灾异发生或政治失误等情况下所下的自责悔过的反省文书。正式的罪己诏最早出现在汉代,且数量较多。罪己诏的颁布一定程度上与汉代独特的政治观念有着联系,对维护和调整汉代政治统治、收买人心起着积极的作用,同时对古代政治治理模式的发展也具有深远的影响。     

实案测试中被测试对象心理状态探析

心理学的研究离不开各种实验,心理测试技术(俗称"测谎"技术)实际上就是心理学实验方法的一种。此项技术在我国的研究应用已经30多年,辅助司法领域进行了大量的实案心理测试①。不仅对陷入侦破困境的案件起到很大作用,也对心理学在实战领域的应用研究提供了一种实验范式。对进行心理测试案件的研究发现,很多的变量都会影响到测试的结果,进而影响测试效度。被测人②的心理状态是其中很重要但是很容易被忽视的因素之一,这是一个非常值得关注研究的领域,不仅关系到心理测试技术的发展,也关系到司法领域人权和司法公正问题。     

Predicting motor vehicle crash involvement from a personality measure and a driving knowledge test

Typically, safety‐related driver education programs are aimed at changing knowledge of vehicle operation rules and regulations. However, vehicle crashes are as likely to be related to driver personality variables as they are to the knowledge of vehicle operation and rules and regulations. In a study with 48 licensed drivers, crashes were found to be significantly correlated with conscientiousness, a five‐factor model personality dimension, but not with scores on a driving knowledge test. It would appear that prevention efforts should also be directed at changing conscientiousness‐related behaviors, including an emphasis on goal‐setting, and following rules and regulations.     

Can computer forensic tools be trusted in digital investigations?

This paper investigates whether computer forensic tools (CFTs) can extract complete and credible digital evidence from digital crime scenes in the presence of file system anti-forensic (AF) attacks. The study uses a well-established six stage forensic tool testing methodology based on black-box testing principles to carry out experiments that evaluate four leading CFTs for their potential to combat eleven different file system AF attacks. Results suggest that only a few AF attacks are identified by all the evaluated CFTs, while as most of the attacks considered by the study go unnoticed. These AF attacks exploit basic file system features, can be executed using simple tools, and even attack CFTs to accomplish their task. These results imply that evidences collected by CFTs in digital investigations are not complete and credible in the presence of AF attacks. The study suggests that practitioners and academicians should not absolutely rely on CFTs for evidence extraction from a digital crime scene, highlights the implications of doing so, and makes many recommendations in this regard. The study also points towards immediate and aggressive research efforts that are required in the area of computer forensics to address the pitfalls of CFTs.