化学元素

Bone damage can be induced in rats fed with calcium-deficiency diet and fluoridized water in short term, with decreased calcium content, and the changes of chemical element in bone participate in the pathogenesis of fluorosis, and this suggestes that multiple factor is involved in the development of fluorosis.

染氟和低钙可导致大鼠骨损伤，骨中化学元素的改变参与了氟中毒的发病机制，说明氟骨症的形成是多因素作用的结果。

It is one of the main contents in dendrochemistry that, by analyzing the chemical components in treerings, reconstructs the history of environmental change and pollution by human activities.

通过对树木年轮中化学元素含量的分析来重建过去的环境自然变化和人为环境污染历史是树轮化学研究的重要内容。

These epic processes melted and reprocessed vast amounts of rock and concentrated chemical elements in new ways.

这些壮丽的进程以新的方式熔化重组了大量的岩石浓缩集中了化学元素。

These epic processes melted and reprocessed vast amounts of rock and concentrated chemical elements in new ways.

在这个宏大的过程中，岩石被融化，再生，以新方式聚集化学元素。

In Panama, medicine made with a poisonous chemical killed or sickened more than 100 people.

在巴拿马，用有毒化学元素制成的药品已经引起了超过100人的伤亡。

The interaction mechanism among magnesium,alkaline-earth metals and other chemical elements is studied.

研究了镁、碱土金属与各化学元素的相互作用机理，含镁、碱土金属复合合金的制取因素，合金的制取条件和方法。

The Egyptians are also thought to have come into knowledge about elements such as antimony, copper, crude arsenic, lead, opium, and mandrake.

人们认为那时埃及人也了解了诸如锑、铜、粗砷、铅、鸦片及曼德拉草之类的物质及化学元素。

Lead is a chemical which causes cancer.

铅是能引发癌症的一种化学元素。

Activity exceeds 75 becquerels of parent radioactive chemical element per gram of substance.

成的任何物质，或包含该等元素的任何物质，而其放射性比，以每克物质计算，超逾75贝克耳的源放射性化学元素。

Activity exceeds 75 becquerels of parent radioactive chemical element per gram of substance.

或包含该等元素的任何物质，而其放射性比，以每克物质计算，超逾75贝克耳的源放射性化学元素。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。