When I grew a little bigger, I went out to collect the waste copper, iron, and broken glass to sell.
再长大些，我就拣些废铜烂铁和碎玻璃什么的去卖。
This study is aimed at finding a new process for removing as, Sb and Bi from copper electrolyte and making a comprehensive use of waste copper materials.
本试验研究旨在寻求铜电解液净化脱除砷、锑、铋，同时兼顾废铜料综合利用新工艺。
Cuprous oxide and zinc oxide can be recovered from waste copper catalyst by a wet process. The principle and the optimum conditions of the process have been studied.
研究了以湿法回收利用废铜催化剂中的铜、锌制取氧化亚铜和氧化锌的原理以及最佳工艺条件。
应用推荐