free cyanide

常见例句

Basic principle and technology of the cyanide free silver brush plating on copper substrates are researched.
探讨了铜基无氰电刷镀银的基本原理和施镀工艺。
A cyanide free process for gold imitation plating on plastic surface was advanced with pyrophosphate as complexing agent.
采用焦磷酸盐为络合剂研究出一种塑料无氰仿金电镀工艺。
Through experimental study, the CIP plant of Hougou Gold Mine brought the technology of normal pressure cyanide free desorption into being without any modification of original equipment.
后沟金矿炭浆厂经过试验研究，使用原有设备，不需进行任何改动，实现了常压无氰解吸。