Contamination of hands with nickel was shown to occur by handling cupro-nickel coins for five minutes, the study said.
人们的手和这种镍铜 合金硬币保持5分钟 接触就会引起镍污染。
According to the property and features of zinc - cupro- nickel alloy wire, its drawing lubricant and drawing die have been improved to solve quality problem in commercial operation.
针对锌白铜材料的性能特点,结合实际生产中出现的质量问题,对润滑剂及拉模进行了改进。
Cupro Nickel; Copper Tubes;
铜管;
The Cupro Braze radiator has its advantages of lower cost, small size, no contamination, higher material recovery and reproduction usage rate.
铜硬纤焊散热器具有成本低、小型化、无污染及材料的回收和再生产利用率高等优点。
The Royal Mint's second £5 countdown coins are also on offer which are available in gold, silver and cupro-nickel.