Determination of average vehicle speed utilizing reverse projection

Reverse projection photogrammetry has long been used to estimate the height of an individual in forensic video examinations. A natural extrapolation would be to apply the same technique on a video to estimate the speed of an object by determining the distance traveled between two points over a set amount of time. To test this theory, five digital video recorders (DVRs) were connected to a single fixed camera to record a vehicle traveling down a track. The vehicle's speed was measured through Doppler radar by a trained operator and the speedometer of the vehicle was also recorded with a video camera. The recorded video was examined and the frames that best depict the beginning and end of the vehicles course were selected. Two reverse projection photogrammetric examinations were performed on the selected frames to establish the position of the vehicle. The distance between the two points was measured, and the time elapsed between the two points was examined. The outcome provided an accurate speed result with a standard degree of uncertainty. This study proves the feasibility of using video data and reverse projection photogrammetry to determine the speed of a vehicle with a limited set of variables. Further research is needed to determine how additional variables would impact the standard degree of uncertainty.     

Sociocultural Determinants of Policewomen–Taxi Drivers’ Interactions on the Major Highways in Ibadan Metropolis,Nigeria

This study investigated the sociocultural determinants of policewomen–taxi drivers’ interactions on the major highways in Ibadan metropolis. Purposive sampling technique was utilized for the selection of 11 policewomen and 35 taxi drivers. Data were generated through key informant interview and focus group discussion methods. Findings revealed that gender had no impact on the ability of policewomen to enforce traffic law. Policewomen were adjudged to be strict on traffic law enforcement. However, the size of the accolade generated by this feat has been slightly attenuated by the action of officers who habitually demand for bribe from apprehended taxi drivers.     

Fatal Methemoglobinemia Due to Acute Inhalation of Methyl Nitrite in an Industrial Accident

Methyl nitrite is suggested to cause methemoglobinemia by generating methemoglobin, which may be lethal when the methemoglobin concentration exceeds 70%. However, intoxication with methyl nitrite is seldom reported compared with that with other nitrites. Here, we present an industrial accident involving methyl nitrite inhalation during its synthesis process that resulted in three fatalities and one survivor. The autopsy revealed conspicuous blue-gray discoloration in various parts of the body, including the skin, airway mucosa, vessels, brain, heart, and among other areas. The toxicological tests on the deceased showed methemoglobin concentrations in the blood over the lethal level and increased nitrite ion levels in the blood, gastric contents, liver, and lung tissue compared with those in control samples. The cause of death was determined to be methemoglobinemia-induced hypoxia due to methyl nitrite inhalation. This report provides evidence that in methyl nitrite intoxication, exposure duration has a significant influence on the postmortem changes and likelihood of a fatal outcome may be related to the age of the victim. More attention is required regarding the industrial hazards of this substance.     

因工患传染病职工工伤认定研究 ——基于对《工伤保险条例》中“事故伤害”的法释义学分析

对于所患传染病种类非属于《职业病分类和目录》的职工,由于法律未有明文规定,实务中就是否认定工伤问题存在争议,导致相关职工难以获得工伤保险的救济。《工伤保险条例》保障因工作遭受事故伤害或者患职业病的职工。而职业病由《职业病分类和目录》法定列举,法律解释空间极小;事故伤害为不确定的法律概念,存在相当的法律解释空间。法院对患传染病职工工伤认定纠纷案件的裁判,呈现出将职工患传染病纳入遭受事故伤害的思考路径。研究通过贯彻宪法规范和价值,结合工伤保险的目的与工伤认定的本质,并为了法律概念的统一使用和行政法律规范之间的冲突解决,运用法释义学的方法,强化论证了传染病可被纳入事故伤害的解释范畴,从而化解因工患传染病职工认定工伤无法可依的困境。     

Fatal exsanguination following complete transection of femoral vessels due to angle grinder injury in an industrial accident

Angle grinders are one of the most dangerous and frequently used tools in industrial settings. Angle grinder injuries range from superficial cuts to deep penetrating injuries with underlying fracture-dislocation and vascular trauma. The injuries caused by angle grinders mostly involve the head, face, or upper limbs, while the lower limb is an unusual site. The high-speed rotating disc of the angle grinders does not respect anatomical boundaries or structures; therefore, the injuries caused may be disfiguring, permanently incapacitating, or even fatal. We report a fatal case of an angle grinder injury to the lower limb. The victim sustained a sharp cut over the left thigh while woodworking in an industrial setup. The rotating disc of an angle grinder had transected the skin, subcutaneous fat and muscles, and both the femoral vessels of the left side, which led to fatal exsanguination within 10 min of the incident.     

重特大生产安全事故赔偿过程中的政府职能

近年来,有些地方人民政府在处理重特大生产安全事故的过程中,就受害人的民事赔偿事宜采取了诸多举措,如决定赔偿金额、支付赔偿金或综合帮扶资金等。这些举措虽可使受害人获得及时、适当甚至高额的赔偿,但同时也会影响我国基本的法律秩序、限制当事人的民事处分权利、导致社会不公,有时还可能成为地方有些官员平息民怨、为自己开脱政治责任的方式。尽管如此,地方人民政府适当介入重特大事故民事赔偿事宜有其必要,只是应在法制的框架内运作,主要发挥督促、协调和配合三大功能。     

142例二轮摩托车驾乘人员损伤特征分析

目的分析二轮摩托车交通事故的现场特点和驾乘人员的损伤特征,为甄别摩托车驾乘人员提供信息。方法收集本区2005年至2014年142例二轮摩托车交通事故人员伤亡资料,包括事故经过、事故类型、现场特点、车辆特点、驾乘人员情况、损伤情况及死亡原因等相关资料,进行分析总结。结果二轮摩托车驾乘人员在各类型事故中的损伤部位和特征、出现率及严重程度有明显的区别,事故现场有规律性。结论通过现场与人体损伤特征的分析,可以甄别摩托车驾乘人员。     

公安交警大队开展辖区交通安全评价与分析研究

公安交警大队开展辖区交通安全评价与分析是预防道路交通事故的重要措施之一,然而以交通事故四项指数为主的评价指标已经不能对现实的交通安全实际状况进行客观反映,也不能为道路交通安全科学决策提供有力的支持。文章对公安交警大队开展交通安全评价工作过程中评价体系的建立与分析进行了研究,希望能有效地提高交通安全管理工作的效能,同时提高道路交通事故预防工作的针对性和有效性。     

711例道路交通事故死亡案例分析

目的分析711例道路交通事故死亡案例,探讨道路交通死亡事故的特点。方法收集相关市区711例道路交通事故死亡案例,按照死者性别、年龄、死亡原因、死者交通方式等项目分类进行统计分析。结果 711例死者中男性多于女性(2.18∶1),21~60岁占70.6%,气温较低的季节发生交通事故较多,一天中高发时间段为6~8、18~20及23~1时,死者中以非机动车驾乘者和步行者居多,分别占41.4%和29.1%;肇事车辆主要为货车和轿车,分别占38.2%和25.1%;交通事故造成颅脑损伤导致死亡的占损伤致死亡的比例最高(54.7%),联合损伤致死的其次(30.9%)。结论本文数据来源地交通事故造成人员死亡案例的特点,与沿海其他较发达城市的相关调查数据相符,需综合治理以减少相关事故的发生。     

关于交警路面执法被投诉问题的思考

随着社会法制化进程的不断进步,对交警执法的要求越来越高。为切实提高交警的执法质量,增进警民团结,减少和杜绝投诉问题的发生,构建和谐社会,文章指出了目前交警路面执法存在的问题,并对问题产生的原因进行了分析,进而提出了有效减少其发生所应采取的对策。