Ca potentiators effect of ca, Cu, Mn, Mg, fe and Zn contents and quality in japonica rice were studied.

利用粳稻品种探讨了钙增效剂对稻米中钙及铜、锰、镁、铁、锌积累和品质的影响。

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The cultivated rheum required quantity has an increase for the fe, mn, co, and decrease for the zn, cu, ni element nutrition with the growth age changes.

随著生长年龄增加种植大黄对铁、锰、钴元素营养需求量有所增加，对锌、铜、镍元素营养的需求量略减。

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Conclusion the decrease of the contents of Zn, Mn, Cu, Fe in osseous tissue may be one of the reasons that cause the disease of osteoporosis.

结论骨组织中锌、锰、铜、铁的含量明显减少是导致骨质疏松症发生的病因之一。

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