铅的

A mineral consisting of lead carbonate that is an important source of lead.

一种由铅的重要来源铅碳酸盐构成的矿物。

Objective To study the absorption and migration of Pb in celery leaves.

目的 研究芹菜叶对铅的吸收和铅的迁移情况。

In Australia, supplies have been interrupted by an investigation into health issues at the port of Esperance that has delayed the shipment of 9,000 tonnes of metal and also caused the temporary closure of the Magellan mine.

在澳大利亚，由于当局对埃斯佩兰斯港口的健康问题展开调查，导致9000吨铅的发货时间推迟，还导致麦哲伦矿场暂时关闭，因此造成铅供应中断。

B -Lead dioxide can be prepared by acid formation of lead battery positive plates[13] or electrooxidation of lead perchlorate.

PbO能够通过下列方法来制备：在酸性环境制备铅电池的阳极；高氯酸铅的电氧化。

However, the toxicity of lead oxide and its high vapor pressure during processing has led to a demand for alternative lead-free piezoelectric materials.

然而，铅的毒性以及在加工过程中容易挥发等特点导致需要寻找一种不含铅的压电材料来代替PZT。

One of the earliest known metals is plumbum in the history of world metallurgy. China has a long nistory of using plumbum.

铅是世界冶金史上最早发现的几种金属之一，我国用铅的历史比较悠久。

The feasible conditions for trace plumbum determination in red wine by graphite furnace atomic absorption spectrophotometry were studied.

研究了石墨炉原子吸收法测定葡萄酒中微量铅的适宜条件，采用标准加入法和塞曼效应校正背景，铅的线性范围为10μg/L～50μg/L，回收率为90%～110%。

Results The rate of premature labor was 9.40% in the very low-level group, 14.07% in the low-level group and 23.81% in the high-level group respectively.

结果 产妇血铅水平的高低与新生儿脐血铅的高低呈正相关(X^2=229.1， P.05)。

waste lead acid battery,recovery of lead,yellow lead,continuous oxidation and red lead

就我国而言，面对如此巨大的蓄电池生产与消费，再生铅的产量占总铅产

The results show that there are mainly lead、zinc、 CuZn〓、FeZn〓 and four phases in hard—zinc: zinc—lead solid salution of saturation lead、lead—zinc solid solution of saturation zinc、high iron multicomponent solid solution and high arsenic multicomponent solid solution.

且硬锌中有四相存在：饱和铅的锌铅固溶体、饱和锌的铅锌固溶体、高砷多元固溶体和高铁多元固溶体，其中铁锌固溶体为白色板条状结晶，砷化合物为灰微带棕色粒状物。

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。