论文部分内容阅读
片了njo八J改一,土,‘0自六j 题目 庆祝国庆三十周年征文我国炼铜工艺的发展和展望镍钻工业三十年我国锡冶金技术的发展湿法冶金科学研究三十年铝电解槽阳极气体成分与电流效率关系 的研究熔梳的比电导及其与温度的关系竖罐炼锌的主要技术成就高温烧结块大型双齿辊破碎机期页八
A piece of njo eight J change one, soil, ’0 since six j topics celebrate the thirtieth anniversary of the National Day essay development and prospect of China’s copper refining process 30 years of nickel drilling industry in China tin metallurgy technology development of hydrometallurgical science research for thirty years Aluminum electrolysis cell anode gas composition and current efficiency of the ratio of melting combs the specific conductance and its relationship with the temperature of the main technical achievements in vertical tank zinc smelting large scale double-roll crusher crusher period Page eight