Ding S, Pan C, Zhu X, Xiao X
Institute of Chemical Defense, Beijing 100083, China.
Wei Sheng Yan Jiu. 1998 Nov 30;27(6):361-4.
The effects of individual protective ensembles and workloads on personnel's physiological heat strain were experienced by personnel in a hot environment (35 degrees C, 55% relative humidity). Six young males performed treadmill tests at both moderate (ML: 1.11 m/s, 5% grade) and heavy (HL: 1.34 m/s, 5% grade) workloads. They wore three levels of protective ensembles: protective mask only (PM), protective clothing only (PC), and full protective ensembles (FP). Tests lasted 60 min and 45 min, respectively, for ML and HL. Physiological measurements included heart rate (HR), rectal (Tre) and skin (Tsk) temperature, sweat rate (SR), and sweat evaporative rate (ER). Differences between the ensembles and the workloads were significant for HR responses. The increase rate in Tre and Tsk, and SR, ER were significantly reduced from PM and PC to FP condition during ML and Hl tests. The sweat evaporation restriction of ensembles and the increase of heat production from exercise are the main factors of enhancing the heat strain.
在炎热环境（35摄氏度，相对湿度55%）中，人员体验了个体防护装备和工作量对其生理热应激的影响。六名年轻男性在中等（ML：1.11米/秒，坡度5%）和重度（HL：1.34米/秒，坡度5%）工作量下进行了跑步机测试。他们穿着三种级别的防护装备：仅佩戴防护面罩（PM）、仅穿着防护服（PC）和全套防护装备（FP）。ML和HL测试分别持续60分钟和45分钟。生理测量包括心率（HR）、直肠温度（Tre）和皮肤温度（Tsk）、出汗率（SR）以及汗液蒸发率（ER）。不同防护装备和工作量之间的心率反应存在显著差异。在ML和HL测试期间，从PM和PC到FP状态，Tre、Tsk以及SR、ER的上升速率显著降低。防护装备对汗液蒸发的限制以及运动产热的增加是加剧热应激的主要因素。
