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当今世界,铅在环境和生活用品中广泛存在,人们接触铅的机会很多,可以说,人们正是生活在“大铅世界”中。汽车废气中的铅,油漆、涂料中的铅,食具中的铅,学习用品和玩具中的铅,饮食中的铅,……铅可谓无孔不入。而铅对儿童危害最深,因为婴幼儿都有啃咬手指、玩具和学习用品的习惯,再加上喜欢吃爆米花一类含铅零食,而这些物品中所含的铅被吸收率可高达76％。据测定,人体
In today’s world, lead is widely found in the environment and daily necessities. People have many opportunities to access lead. It can be said that people live in the “lead-lead world.” Lead in automotive exhaust, paint, lead in paint, lead in food utensils, lead in school supplies and toys, lead in the diet, ... Lead is ubiquitous. Lead, on the other hand, is the most harmful to children because babies and toddlers have the habit of biting their fingers, toys and school supplies, as well as their favorite snacks such as popcorn. The lead absorption rate of these items can be up to 76 %. According to the determination of the human body