Horizontal bridgman grown gallium arsenide single crystal and cutting wafer .
水平法砷化镓单晶及切割片。
Due to its toxicity and extensive application , arsenide has already caused serious pollution to the environment , especially to the aqueous environment .
由于砷化物具有较大毒性并且目前应用广泛,它对环境特别是水环境造成的污染已较为严重.
7 / 9 The printing technology at semprius uses gallium arsenide as a semiconductor .
7/9semprius公司采用的印制技术使用砷化镓作为半导体。
The other , which faces a specialised type of solar cell made of a material called indium gallium arsenide , is sculpted into a structure called a photonic crystal that causes it to emit infra-red radiation selectively at the frequency best absorbed by the cell .
