germanium 的定义
Chemistry.
- a scarce, metallic, grayish-white element, normally tetravalent, used chiefly in transistors. Symbol: Ge; atomic weight: 72.59; atomic number: 32; specific gravity: 5.36 at 20°C.
更多germanium例句
- Germanium 64 is not at all stable, and neither is Neodymium 128, but the instability can be corrected by positive beta emission.
- In 1875 Lecoq de Boisbandram discovered gallium, which filled one of the gaps; scandium and germanium filled the other two later.
- On the one side is carbon, with below it titanium and zirconium; on the other silicon, with germanium and tin.
- Its negative pendant shows the same form in silicon, germanium and tin; again, the fourth was unexamined.
- It was a true answer, for all statements made by England culminated in the one sentence Germanium esse delendam.