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都说空气是维持生命存在的重要因素,每个人每天大约要呼吸20000次左右,并需要吸入10~12立方米的空气。然而,随着雾霾天气的频繁出现,人们开始怀疑空气是不是发炎了。到处弥漫的雾霾,让我们的视野一片模糊,呼吸起来也感觉困难了许多……雾和霾有区别在许多时候,我们会笼统地说“雾霾(mái)天气”怎么怎么样,其实雾与霾还是有着本质区别的。雾属于一种自然现象,主要是由水汽构成的,因此一般对人体是无害的。霾则是一种污染物,主要是由颗粒物(尤其是细颗粒物)构成的,空气中的灰尘、硫酸、硝酸等造成视觉模糊的污染物叫
Say that the air is an important factor to maintain the existence of life, each about breathing about 20,000 times a day, and the need to inhale 10 to 12 cubic meters of air. However, with the frequent occurrence of foggy weather, people began to wonder if the air was inflamed. Everywhere the hazy smog, so that our vision blurred, breathe and feel a lot of trouble ... ... there is a difference between fog and haze Many times, we will generally say “haze weather ” how, In fact, fog and haze or have the essential difference. Fog belongs to a natural phenomenon, mainly composed of water vapor, so it is generally harmless to the human body. Haze is a pollutant, mainly composed of particles (especially fine particles), the dust in the air, sulfuric acid, nitric acid and other visual blur caused by pollutants called