| 1. | Ignite the magnesium ribbon using a micro burner . 用微型灯点着镁带。 |
| 2. | Magnesium is involved as a cofactor in many enzyme transfers . 镁是许多酶转变的辅助因素。 |
| 3. | Magnesium were employed as cathartics as early as the 16th century . 早在16世纪镁盐被用作泻药。 |
| 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。 |
| 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。 |
| 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。 |
| 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。 |
| 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。 |
| 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。 |
| 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。 |