Six, taking magnesium and vitamin B6, can reduce the recurrence rate of 90%. Limit the amount of vitamin C, calcium oxalate stone patients especially.

服用镁及维生素B6，可减少90%的复发率。限制维生素C的用量，特别是草酸钙的结石患者。

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The determination of total rare earth content of rare earth-magnesium alloy were studied. It was used oxalate to be sediment to determine of total rare earth content with gravimetric method.

主要研究稀土镁合金中稀土总量的测定。选择草酸作沉淀剂，重量法测定稀土总量。

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