| 1. | Ignite the magnesium ribbon using a micro burner .
用微型灯点着镁带。
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| 2. | Magnesium is involved as a cofactor in many enzyme transfers .
镁是许多酶转变的辅助因素。
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| 3. | Magnesium were employed as cathartics as early as the 16th century .
早在16世纪镁盐被用作泻药。
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| 4. | Mixture of black powder and magnesium has a tendency to segregate .
黑药和镁的混合物具有离析的倾向。
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| 5. | Evidence on the toxic range of magnesium in the leaves is very meager .
叶片镁含量毒害范围的资料还非常欠缺。
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| 6. | One of the first reports on toxicity of magnesium was recorded by him in 1814 .
1814年，他首次报道了关于镁的毒性问题。
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| 7. | The magnesium content of plant tissue is well correlated with the deficiency symptoms .
植物组织镁含量与缺镁症状有密切的相关性。
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| 8. | It has been suggested that magnesium form a chelated structure with the phosphate groups .
有人指出，镁与磷酸基因能构成螯合结构。
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| 9. | We can insert a short length of magnesium ribbon into the ignition charge to act as a fuse .
我们可以插一短截镁条于引火剂中作引线。
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| 10. | Such elements as magnesium and iron are depleted relative to the rest of the earth .
象镁、铁这类元素，与地球的其他部分相比就少得多了。
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