铅及其化合物在工业上用途很广,人们接触的机会也很多。铅主要经消化道和呼吸道进入人体。长期接触铅,可引起急、慢性铅中毒。膳食中增加蛋白质的供给,可减轻铅中毒的症状,尤其牛奶、蛋白质可与铅结合成不溶性的化合物,阻止铅的吸收。因此,铅作业者,应以肉、鱼、奶、蛋类作为蛋白质的主要来源。维生素C可与铅形 Lead and its compounds are widely used in industry and have many opportunities for people to interact with. Lead mainly through the digestive tract and respiratory tract into the body. Long-term exposure to lead can cause acute and chronic lead poisoning. Increasing dietary protein supply can reduce the symptoms of lead poisoning, especially milk, protein can be combined with lead into insoluble compounds, to prevent the absorption of lead. Therefore, lead workers should meat, fish, milk, eggs as the main source of protein. Vitamin C with lead