儿童健康成长离不开必需的营养元素,为了解我县儿童体内营养元素状况,1998年5月12日对城关及三个较大集镇部分1—4周岁儿童的锌、铜、铁、钙营养元素进行了监测。1　材料与方法1.1　样品来源　城镇适龄儿童。1.2　样品处理　每人份剪下适量头发,洗涤、烘干、称量0.2ｇ,放入处理 Children’s healthy growth is inseparable from the necessary nutrients, in order to understand the status of children’s nutrition in our county, on May 12, 1998 on the city gate and three larger towns part of the 1-4-year-old children zinc, copper, iron, calcium nutrition The elements were monitored. 1 Materials and Methods 1.1 Sample Source Urban-age children. 1.2 Sample Processing Cut appropriate amount of hair per person, washing, drying, weighing 0.2g, into the treatment