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2013年1月下旬,雾霾突显,面对空气污染,当如何应对?为此我们采访了北京大学肿瘤医院胸外科张力建主任医师。Q抗癌之窗:雾霾为何物?雾霾天气是如何形成的?A张力建:雾是大量悬浮在近地面空气中的微小水滴或水晶,是近地面层空气中水汽凝结(或凝华)的产物。雾多呈乳白色,雾的存在会降低空气透明度,使能见度变差,如果目标物的水平能见度降低到1 000米以内,就将悬浮在近地面空气中的水汽凝结(或凝华)物的天气现象称为雾;
In late January 2013, haze highlights the face of air pollution, how to deal with? Therefore, we interviewed the Department of Thoracic Surgery, Peking University Cancer Hospital Zhang Li Jian, MD. Q Anticancer window: What is the haze? How is the haze? A tension building: The fog is a large number of tiny water droplets or crystals suspended in the air near the ground surface, is the condensation of the air vapor in the air near the surface layer ) Of the product. Most of the fog is milky white. The presence of fog reduces the transparency of the air and deteriorates the visibility. If the horizontal visibility of the target is reduced to less than 1000 meters, the weather of the water vapor condensation (or condensation) suspended in the air near the ground Phenomenon is called fog;