The research results of recovering copper by electrowinning from concentrated cyanide solution were described.叙述了从富集氰化废液中电解回收铜的试验研究结果.Zinc base die castings are always copper plated in cyanide baths.锌基合金的压铸件总是在氰化镀液中镀铜.Th...
The police say he swallowed a cyanide capsule to avoid arrest.警察说他为了逃避逮捕就吞了一颗氰化物胶囊。Someone had fed him a lethal dose of cyanide.有人给他下了致命剂量的氰化物。Cyanide is used to kill insects.氰化物可用来杀害虫....