magnesium

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.

Mixture of black powder and magnesium have a tendency to segregate.

黑药和镁的混合物具有离析的倾向.

Ignite the magnesium ribbon using a micro burner.

用微型灯点着镁带.

The function of magnesium in the chlorophyll structure is well known and documented.

镁在叶绿素结构中的功能,早已为人们清楚地阐明,且也得到文献记载.

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.

Magnesium deficiency most commonly occurs in acid, sandy soils in areas of moderate to high rainfall.

缺镁常常发生在中雨量或高雨量区的酸性砂质土.

A lack of magnesium causes muscles to go into spasm.

缺镁会导致肌肉痉挛。

Magnesium is the nutrient element in plant growth.

镁是植物生长的营养要素。

Magnesium were employed as cathartics as early as the 16 th century.

早在16世纪镁盐被用作泻药.

This paradox may be resolved by determining the extent of interation between calcium and magnesium.

这种自相矛盾的问题只有证实钙与镁之间的相互作用程度才能得到解决.

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.

The water contains high amounts of magnesium.

这水含有大量的镁.

Magnesium is involved as a cofactor in many enzyme transfers.

镁是许多酶转变的辅助因素.

The magnesium content of plant tissue is well correlated with the deficienty symptoms.

植物组织镁含量与缺镁症状有密切的相关性.

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.