查询词典 lead-free

Lead glass is a variety of glass in which lead replaces the calcium content of typical potash glasses .

杨教授说，施华洛世奇饰品不仅是用玻璃做的，而且还是一种含铅的玻璃。

Researchers believe that this part of the male long-term high concentration of nitric oxide, a sulfur dioxide, carbon monoxide and lead the work environment, motor vehicle exhaust, and nitric oxide, lead, most likely to damage sperm quality.

研究人员认为，这部分男性长期在高浓度的一氧化氮、一氧化硫、一氧化碳和铅等汽车废气环境中工作，而一氧化氮、铅等，最容易破坏精子质量。

Surface-modified lead iodide nanorods were synthesized by one-step room temperature solid-state reaction of lead nitrate with potassium iodide in the presence of a nonionic surfactant, polyethyl- ene glycol.

以硝酸铅和碘化钾为原料，在体系中添加表面活性剂聚乙二醇，采用一步室温固相化学反应制备出聚乙二醇表面修饰的碘化铅纳米棒，利用X射线衍射，红外光谱，透射电子显微镜，扫描电子显微镜，热分析和元素分析等手段对其进行了表征。

Our main products are industrial grade lead oxide, electrolytic lead, the current capacity of 5000 tons / year.

公司主要产品有工业级氧化铅，电解铅，目前生产能力达到5000吨/年。

One may conclude that these two materials exist as a chemical mixture with distinct particles of lead oxide and lead.

人们可以认为这两种物质是作为一种化学混合物而存在的，它具有明显的氧化铅和铅的颗粒。

Uses lead, lead oxide and sulphuric acid.

它使用铅，氧化铅，和硫酸。

Lead-zinc double oxide has been developed. The activity of single lead oxide and zinc oxide has been studied.

用并流共沉淀法制备了氧化铅-氧化锌催化剂，发现焙烧温度、不同母体和母体配比对催化性能的影响规律。

Perhaps the most surprising thing about the lead pencil is that it is not lead at all. And it is not a pencil.

可能关于铅笔最让人吃惊的事情是它根本就不是铅做的，而英语PENCIL也不是笔的意义。

Perhaps the most surprising thing about the lead pencil is that it is not lead at all.

英语中的PENCIL源自拉丁语，是指用毛制作的细致的硬刷子。

The so-called "lead" in a pencil is not lead at all, but chiefly a different form of carbon called.

铅笔中所谓的铅，并不是"铅"，而主要是一种不同形态的炭，称为石墨。

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。