1.
tough (copper) cake
韧铜, 火精铜(含铜约 99%)
2.
Manganin and constantan precision resistance alloys
GB/T6145-1985锰铜、康铜精密电阻合金
3.
Experimental study on copper and gold leaching from copper concentrate
某浮选铜精矿中铜、金浸出试验研究
4.
STUDY ON IMPROVING THE GRADE OF COPPER CONCENTRATE IN DAHONGSHAN COPPER MINE
提高大红山铜矿铜精矿品位试验研究
5.
blister and refined unwrought copper
粗炼的和精炼的未锻铜
6.
The Influence for China Copper Ore Concentrate Market of Copper Ore Concentrate Trade Structure;
铜精矿贸易结构对中国铜精矿市场的影响
7.
Production practice of reduce the copper content of refining slag in scrap copper reverberatory furnace
降低废杂铜反射炉精炼渣含铜的生产实践
8.
The improvement of precision and accuracy of the determination of gold in copper concentrates
提高铜精矿中金测定的精密度和准确度
9.
Application and improvement of fine filtering equipment in electrolytic refining of copper
精细过滤设备在铜电解精炼中的应用及改进
10.
operation of poling
(铜火法精炼还原阶段的)插树
11.
a fine style of handwriting based on the writing used on copperplate engravings.
基于铜雕板的一种精美的手写体形式。
12.
Methods for sampling and sample preperation of flotation copper conentrates in bulk
GB/T14263-1993散装浮选铜精矿取样、制样方法
13.
Top-Blown Oxygen Converter's Autogenous Smelting of Secondary Copper Concentrate.
氧气顶吹自热炉吃吹练二次铜精矿
14.
Study on Ferric Sulfate Electrochemical Process for Leaching Chalcopyrite Concentrate;
硫酸铁电化浸出黄铜矿精矿工艺研究
15.
A Novel Technology of Dearsenization and Deantimony from Copper Sulfide Concentrate by H_2O-Air Gas Mixtures;
高砷锑硫化铜精矿脱砷锑新工艺研究
16.
Brief Analysis of Cost Control for High-Precision Copper Sheet Projects Construction;
高精度铜板带项目建设成本控制浅析
17.
A Study of Extractive Technique of Complex Copper Concentration with Low Temperature and Pressure;
复杂铜精矿低温热压萃取工艺的研究
18.
Differences in Concentrations of Fe,Cu,Mn and Zn in Polished Rice Grains;
精米中微量元素铁铜锰锌的含量差异