beryllium

• n. [化学] 铍（符号Be）

从绿宝石beryl中提炼出来的化学元素。

beryllium (n.)

metallic element, 1863, so called because it figures in the composition of the pale green precious stone beryl and was identified in emerald (green beryl) in 1797 by French chemist Louis Nicolas Vauquelin (1763-1829) and first isolated in 1828. At first and through 19c. also sometimes called glucinum or glucinium.

1. 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。

来自辞典例句

2. However the toxic properties of beryllium limit its application.

然而铍的毒性限制了它的作用.

来自辞典例句

3. 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.

来自辞典例句

4. Shiwan Khan needs a beryllium sphere to complete the bomb.

史完可汗需要一个铍球来做炸弹.

来自电影对白

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

铍青铜常被用于制造弹性零件.

来自互联网