摘要
目的:探讨法医物证学教学改革,并观察9种不同介质上,高度、速度对滴落状血迹的形态和大小的影响,并应用于现场勘验。方法:采用抗凝人血,在静态和动态条件下,进行滴落状血迹的内模拟实验,观察血迹的形态,测量其直径,用SPSS12.0统计软件进行分析。结果:在静态条件下,滴落血迹,多呈圆形,其周围有毛刺状突起;7种介质上滴落血迹的大小(直径)与滴落高度呈线性关系,可得出回归方程。在运动条件下,滴落血迹为圆形或椭圆形,沿运动方向的一侧出现突起;高度、速度分别对血迹形态有影响,在水泥路面上两者有交互作用。结论:滴落状血迹模拟实验可以获得满意的检验和教学效果。
Objective To approach the innovation of forensic materials education and observe the shape and size of drip blood stain dropped in different heights,speeds on nine kinds object. Methods Anticoagulation blood was dropped in static or movable conditions. The drip bloodstain was observed. The diameter was measured. The data were analyzed by spss 12.0 statistic software. Results In static conditions, the drip bloodstain was shape dround with stings on edge. There were linear relationship between the diameter and height,which could deduce linear formula on seven kinds object. In movable conditions, the drip blood stain appeared as round or ellipse with stings on one side along direction of motion. Height or speed influenced the shape and size of drip bloodstain. Height and speed interacted on the shape and size of drip bloodstain on cement ground. Gonclusion By the experimental study of drip bloodstain we could gain satisfactory effect in criminal scene investigation and education.
出处
《实用医技杂志》
2006年第7期1038-1040,共3页
Journal of Practical Medical Techniques
基金
河南省科技攻关项目(001220103)
