湿度的大小影响舒适感在相对湿度为45%～65%的环境中,人们通常感到很舒适:汗液能顺利蒸发,皮肤感觉滋润干爽,呼吸也顺畅。如果相对湿度达到90%以上,空气中的水蒸气接近饱和,很容易凝成水,汗液也很难蒸发,人们就会感到闷热潮湿。如果相对湿度不到40%,皮肤和黏膜中的水分就容易发 The size of the humidity affect the comfort in the relative humidity of 45% to 65% of the environment, people usually feel very comfortable: sweat can evaporate smoothly, the skin feels moist and dry, breathing is also smooth. If the relative humidity reaches more than 90%, the water vapor in the air is nearly saturated, it is easy to condense into water, and the sweat hardly evaporates, people will feel hot and humid. If the relative humidity is less than 40%, the moisture in the skin and mucous membrane is easy to make