Fe, Mn and Sr are higher in content.

实验结果表明：其中铁、锶、锰的含量较高。

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Birch Liquid Contained rich bioactive substances, multiple kinds of carbohydrate, more than 20 kinds of amino acids, and trace elements such as Si, Fe, Sr, ti, Ba and Cu etc.

桦树液中富含生物活性物质，含有多种碳水化合物、20多种氨基酸和微量元素硅、铁、锶、钛、钡、铜等。

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ConclusionOur results suggest that acceleration exposure-induced increase of serum Cu, Sr, Mn, and decrease of Fe, Zn concentrations may be related to the development of motion sickness.

结论加速度暴露造成的血清铜、锶和锰含量上升以及血清锌、铁含量降低可能与晕动病有关。

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