As the percentage of shifts in hot working conditions in German Coal mines had increased to more than 50% during the last decade, a study was carried out to record the physiological strain of miners. Thirty-eight miners participated during 125 shifts. Heart rate and rectal temperature were measured continuously. Sweat losses as well as food and fluid uptake were estimated from measurements before and after shifts. During all shifts mean heart rates resulted in 102.8 min(-1), mean rectal temperature was 37.7 degrees C. Mean sweat loss per shift was 3,436 g; mean sweat rates resulted in 494 g/h. Rehydration during the shift at high climatic stress decreased to about 60% of sweat losses. In order to state the organizational frame of work at hot working places in German coal mines, the main features of regulations of work at hot working places are presented.

译文

在过去的十年中,由于德国煤矿在高温工作条件下的变化百分比已增加到50% 以上,因此进行了一项研究以记录矿工的生理应变。38名矿工参加了125轮班。连续测量心率和直肠温度。通过轮班前后的测量来估算汗液损失以及食物和液体的吸收。在所有转变期间,平均心率导致102.8分钟 (-1),平均直肠温度为37.7摄氏度。每班次的平均汗液损失为3,436g; 平均汗液率为494g/h。在高气候压力下的转变过程中,再水化减少至约60% 的汗液损失。为了说明德国煤矿热工作场所的工作组织框架,介绍了热工作场所工作法规的主要特征。

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