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为探讨南极考察队员行为／性格变化的物质基础，观察了驻长城站考察队员血浆色氨酸（Ｔｒｐ）与尿中５－羟吲哚乙酸（５－ＨＩＡＡ）变化。第８次队及第１１次队两批队员变化规律相同，即血浆Ｔｒｐ降低，尿中排出５－ＨＩＡＡ增加，血浆Ｔｒｐ变化较尿排出５－ＨＩＡＡ变化出现早，恢复慢。本文讨论了血浆Ｔｒｐ、尿中５－ＨＩＡＡ变化与行为／性格变化间可能的关系
In order to explore the material basis of the behavior / personality changes of Antarctic expedition team members, the changes of plasma tryptophan (Trp) and urinary 5-HIAA in ambulatory team were observed. In the 8th and 11th teams, the change rule of the two batches of players was the same, that is, the decrease of plasma Trp, the increase of excretion of 5-HIAA in urine and the change of plasma Trp appeared earlier and recovered slowly than that of urinary excretion of 5-HIAA. This article discusses the possible relationship between plasma Trp, urinary 5-HIAA changes and behavioral / personality changes