The process flow in preparing color nickel screen electroforming cylinder applied to textile printing and dying system,the bath composition and operation conditions of copper electroforming and nickel electroforming were introduced.
介绍了纺织印染系统应用的多色电铸镍网圆筒的制作工艺流程、电铸铜及电铸镍溶液组成与操作条件。
The bronze casting stone moulds discovered in Xinjiang, mainly for tools and weapons, are mostly dated to the Bronze Age and this is the result of the eastward spread of the bronze culture springing up very early from the west of Eurasian Steppe.
新疆发现的铸铜石范大多属于青铜时代,以工具和武器范为主,这是欧亚草原西部很早就兴起的青铜器文化向东传播的结果。
