beryllium造句
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.