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现代社会中,空气污染、土壤及水源污染、噪声污染等已广为世人所熟知,但提起铅污染,就很少有人能说得明白了。据世界卫生组织一份调查报告透露,现代人的体内平均含铅量已超过l000年前人类的500倍!在这个基础上,处于生长发育期的儿童体内的含铅量又普遍高于其他年龄段的人群。现实生活中,与我们日常生活有关的铅污染源举不胜举。机动车尾气污染即是最普遍也最具代表性的一例,机动车排出的废气中,含有大量的铅化合物:四乙基铅,它直接污染着人类须臾不可或离的空
In modern society, air pollution, soil and water pollution, noise pollution, etc. have become widely known in the world. However, few people can understand what the pollution caused by lead is. According to a World Health Organization survey revealed that the average body lead content in modern humans has more than 500 times the l000 years ago, on the basis of which children in the growth and development of the lead content is generally higher than the other ages Paragraph of the crowd. In real life, the sources of lead pollution associated with our daily life are endless. Motor vehicle exhaust pollution is the most common and most representative example, the exhaust emissions from motor vehicles contain a large amount of lead compounds: tetraethyl lead, which directly pollutes the human beings can not leave the air