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在平原(450m)地区进行不同负荷体力活动时,血氧饱和度变化甚小,在高原地区随海拔升高生理负荷增加,血氧饱和度明显下降。表明高原低氧环境下人体劳动能力降低。本文对高原地区不同海拔体力活动时的卫生限度和安全限度进行了探讨。
In the 450 m plains (450 m), the oxygen saturation changes little with the increase of altitude, and the oxygen saturation decreases obviously with the increase of altitude in the plateau. That plateau hypoxia environment, reduce the ability of human work. This article discusses the health limits and safety limits at different altitude physical activity in the plateau.