【摘要】 为研究着陆冲击时生物效应及动态反应,我们选择了8名健康男性青年和成年狗25只,在垂直坐姿条件下,分别承受15～30G,30～80ms 和30～100G,10～100ms 的着陆冲击.记录座椅及人体髂、肩、头部加速度和ECG,EEG SEP 和身体位移。实验得到了:(1)高G 值作用下,动物损伤特点。(2)人体对冲击的一系列生理反应。(3)人体各部位的动态响应、传递比与冲击要素的关系。(4)人体压缩量与损伤关系。(5)真人、假人、动物以及三种冲击波形动态反应特点的比较。更多还原

【Abstract】 In order to study biological effects and biodynamics of organ-ism on landing impact,8 healthy young men and 25 dogs,in sittingposition,were exposed to 15-30 G for 30-80 ms and 30-100G for 10-100ms,respectively.During the experiments accelerations on theseat,lilac crest,shoulder and head,ECG.EEG,SEP and displace-ment of body were recorded.What were obtained from the experi-ments are as follows:1)characteristics of animal’s injury and tol-erance to high G impact;2)human physiological responses andtolerance to impact;3)correlation among the dynamic responsesof different parts of human body,transfer ratio and essential im-pact factors;4)correlation of human body displacement to injury;5)comparison among the characteristics of dynamic responses ofhuman body,dummy and animal,as well as the three types of im-pact waves.更多还原