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大气污染引起人们注意,始于十九世纪末叶。起初,涉及范围很小。到了近代,人类的生产和消费活动释放入大气的物质急剧增加,超越了地球本身所具有的自然净化能力,大气污染日趋严重,遂酿成为一种社会性的公害,六十年代末、七十年代初达到轰动世界的程度。目前大气污染已得到一定程度的控制,但远未彻底解决。“大气污染”之所以曾经一度作为一个时(?)名词脍炙人口,是由于人类一刻也不能停止呼吸。一个成年人每天要不知不觉地吸进一万公升左右的空气,重量约13.6公斤,大大超过对于食物和水的摄取量。在不戴防毒面具的情况下,无法防止空气中的有毒物质鱼龙混杂进入人体。进入体内的空气,在相当于网球场那么大的肺泡里进行氧气与二
Air pollution draws attention, beginning in the late nineteenth century. At first, the scope involved was small. In the modern era, the substance released into the atmosphere by mankind’s production and consumption activities increased sharply, surpassing the natural purification capability of the Earth itself, and the air pollution became increasingly serious. As a result, it became a social public hazard. By the late 1960s, In the early decade reached the level of sensation in the world. At present, air pollution has been controlled to a certain extent, but it is far from being completely solved. “Air Pollution ” once used as a time (?) Term win universal praise, because mankind can not stop breathing for a moment. An adult inhales about 10,000 liters of air per day unconsciously, weighing about 13.6 kilograms, much more than food and water intake. Do not wear gas masks in the case, can not prevent the mixed use of toxic substances in the air into the human body. Into the body’s air, in the equivalent of a tennis court so much oxygen in the alveoli and two