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为了解目前中学生的营养状况,我们于1987年3月对龙山中学471名内宿学生作了营养调查。内容和方法一、膳食调查;采用称重法和记帐法相结合的方法,连续调查4天,根据《食物成分表》算出每人每日各种营养素摄入量。二、体检:对215名学生作身高、体重及营养缺乏症状检查. 三、血红蛋白测定:在体检学生中随机抽取60名作血红蛋白测定(氰化高铁法)。
In order to understand the current nutritional status of middle school students, we conducted a nutrition survey on 471 students living in Longshan Middle School in March 1987. Content and methods A, dietary surveys; using a combination of weighing method and accounting method, continuous investigation for 4 days, according to the “food composition table” to calculate daily intake of various nutrients per person. Second, the physical examination: 215 students for height, weight and nutritional deficiency symptoms check three, hemoglobin determination: physical examination students were randomly selected 60 hemoglobin determination (cyanidation method).