Significant Differences in PostMortem Heart Weight Before and After Dissection Using the Short-Axis Dissecting Method

Correctly assessing heart weight can be critical at postmortem examination. The current international guidelines advocate using the short-axis method in dissecting the heart and the heart weighed when the blood is emptied. However, it did not specify at what point the heart should be weighed or how the blood should be emptied. This study compared heart weights at three different time points during the heart examination (immediately after dissecting out of the pericardial sac with blood still in chambers, blood washed/removed from heart chambers without the heart opened, and the heart completely opened, blood emptied, and pad dried). This was to illustrate the variation in measurement and potential errors when the heart is weighed at different time of dissection. The results show that there were statistical and clinical significant differences between the heart weights at each weighing points. We recommend the heart to be completely dissected with any blood and residual washing/rinsing water emptied before being weighed. Although performed in this study, the effect of pad drying the heart on heart weight was not explored and was a limitation in this study.     

祖孙双单亲比对的匹配概率研究

目的推导祖孙双单亲比对的匹配概率(PMGDS)公式,并以随机模拟法进行验证。方法首先,根据定义推导PMGDS的数学公式,依据此公式在19个基因座上计算PMGDS的数值。其次,以随机模拟法设计实验,在19个基因座上计算PMGDS的模拟值。最后,以模拟值对比公式值的方式,对公式进行实验验证。结果研究获得了PMGDS的数学公式,经模拟实验验证显示出良好的符合。结论祖孙双单亲比对的错判概率较低,具有很好的应用价值。     

The Accuracy and Repeatability of Reconstructing Single Bullet Impacts Using the 2D Ellipse Method

When a bullet punctures a surface, it leaves behind a bullet impact, which can be analyzed in order to determine the origin and trajectory path from which a bullet was discharged using many different scientific methods to reconstruct a shooting scene. The purpose of the research was to test the accuracy and repeatability of reconstructing the impact angle of single bullet impacts using the ellipse method. The research was conducted by firing various calibers of ammunition into drywall panels positioned at varying angles of incidence from 88° until ricochet occurred. This was done in order to determine which caliber type and angle of incidence are most accurate and precise for reconstructing a shooting scene. The study examined four caliber types fired into drywall panels, with 5 repeated shots for each of the 11 angles of incidence (n = 220). Furthermore, 31 participants partook in the study to estimate a bullet impact angle of incidence utilizing the ellipse method. The results show that the best performance (accuracy and repeatability) is seen with the measurements of the 0.45 caliber ammunition. When angle of incidences is low (<64°), the performance (accuracy and repeatability) was seen to be better in all caliber ammunitions. Overall, the data provided for single bullet impacts deposited in drywall show that the ellipse method is useful in providing measurements for most crime scene reconstruction purposes and has also demonstrated that results vary depending on the type of ammunition, firearm, and angle of incidence being examined.     

Empowered and enraged: Political efficacy,anger and support for populism in Europe

This article addresses the psychological dynamics between internal political efficacy, emotions and support for populism. Contrary to the extended idea that populism is associated with low levels of political competence, it is argued that individuals’ self-competence beliefs enhance populist attitudes. Individuals who conceive themselves as able to understand and participate effectively in politics are more critical towards politicians and more prone to consider that citizens could do a better job. The article also hypothesises that internal efficacy enhances the likelihood of experiencing anger, which in turn promotes populist attitudes. Experimental and comparative observational evidence shows robust direct effects of internal efficacy over populism, as well as a smaller indirect impact via feelings of anger. These findings raise important questions regarding the nature of populism and how to fight it in our emancipated and information-intensive democratic systems.     

Horses for courses: China's accommodative approach to food standard‐setting in response to the internationalization of regulation

This paper examines the evolution of China's food standard‐setting procedures from both domestic and international perspectives, particularly in the context of the internationalization of regulation. After the reform and opening‐up in 1978, state actors and leading enterprises monopolized the process of national food standard setting. With further participation in the global economy in the 21st century, China has become familiar with the international standard‐setting procedures and has modeled its domestic policymaking on these practices. This has resulted in a more transparent, inclusive, scientific, pluralized, and consensus‐based form of decisionmaking. By contrast, the standards of the strategic industries have been harmonized to the standards of international counterparts through a top‐down and authoritarian approach. This paper argues that China uses an accommodative approach, trichotomizing suitable standards and decisionmaking procedures in terms of inclusiveness and transparency, which suits the developmental needs of the domestic market, food export markets, and strategic industries.     

Lessons from International Multi-Option Referendum Experiences

Referendums are regularly criticised for reducing complex policy decisions to two maximally opposed options. This reduces opportunities for voter expression and can polarise debates. Alternative referendum designs which present more than two ballot options can offer innovative opportunities, but also raise new challenges. We can benefit by learning from previous experiences with multi-option referendum voting. Discussions of such experiences are rare and have often focussed on a limited number of cases. This article provides an overview of over 100 multi-option referendum experiences around the world. It discusses the topics on which they were held and the ballot options that were offered. It then analyses the variety in ballot design in terms of questions posed and voting methods applied. Drawing on the experiences of multi-option referendums, the article concludes with lessons that can be learned in relation to initiating and designing these referendums.     

网络信息安全犯罪的定量评价困境和突围路径——大数据背景下网络信息量化标准的反思和重构

刑法对网络安全的保护立场,正由网络运行安全转向网络信息安全。刑事立法更新不断增设网络信息安全专属罪名的同时,刑事司法的定量评价体系却未能一体构建,成为网络安全刑法保护的薄弱环节。当前网络信息安全犯罪的定量评价体系缺乏明确的逻辑主线,同时适用错位的“传统法益侵害程度”量化标准和模糊的“数据规模”新型量化标准,无法满足网络信息安全专属罪名司法适用的准确性和统一性需求,导致了司法适用的困境。消弭规范和技术之间的差异,以“信息规模”为定量评价核心的基础上,建构信息价值的分层评价模型,并将“组信息”作为基础的数据规模计量单位,是大数据时代背景下,突破网络信息安全犯罪司法定量评价困境的合理路径。     

问题教学法的实践与思考

运用问题教学法需要技巧并坚持一定的原则,只有这样才能取得良好的教学效果,学生才能从中受益。     

刑侦画像造型训练方法的研究

刑侦画像是依据目击者的记忆语言描述,利用素描等手法模拟刻画犯罪嫌疑人相貌特征的技术手段。刑侦画像造型训练方法的研究,为刑侦画像技术的教育实践工作探索科学有效的培养训练方法,以适应我国公安刑侦工作的实际需要。     

天然药物化学课程教学方法的探讨

随着当前对天然药物开发研究的不断深入,天然药物化学课程的重要性也越来越受到重视。而传统的天然药物化学教学方式多为教师讲授,学生被动地听、甚至靠死记硬背,学生的学习兴趣没有得到激发,效率不高,普遍反映枯燥难学。因而全面提高天然药物化学的学习水平和教学质量具有重要意义。为此,作者结合自己的教学经验谈一些感受。