铍

Explain why barium forms peroxide but beryllium does not.

解释为什么钡能形成过氧化物而铍则不能。

However the toxic properties of beryllium limit its application.

然而铍的毒性限制了它的作用。

Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum.

但如果用铝包覆铍，则可避免加工过程中及储存期间的中毒问题。

Beryllium - containing bronze has usually been adopted to make elastic parts.

铍青铜常被用于制造弹性零件。

By 1960, the sales of beryllium metal, alloys, oxides and ceramics quadrupled.

截至1960年 ﹐ 铍金属 ﹐ 合金 ﹐ 氧化物和陶瓷的销售量已增至四倍。