Mining of copper, cobalt, diamonds, gold, zinc and other metals, as well as petroleum extraction, once accounted for 75 percent of its GDP.
铜、钴、钻石、黄金、锌和其它资源的开采，以及石油开采，曾经占其GDP的75%。
The increase of the burning temperature caused the lowering of the copper extraction.
升高的燃烧温度导致了降低的萃取铜含量。
After extraction separation of gold by MIBK, lead, copper, iron, nickel in gold plating bath were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES).
研究了甲基异丁基酮(MIBK)萃取分离金，用电感耦合等离子体原子发射光谱法(ICP AES)测定镀金液中杂质元素的新方法。
The increase of burning temperature causes the copper extraction into solution up to 98%, while copper extraction into solution from non-burned samples was up to 6%.
升高的温度导致溶液中铜的萃取物高达98%，而在没燃烧样品的铜的萃取物到达6%。
In solvent extraction processes such as the separation of copper or rare earth elements, it will make a great progress to increase extractor efficiency and decrease solvent inventory and entrainment.
对于湿法冶金溶剂萃取过程，如铜或稀土等的分离可望在提高设备效率，降低溶剂装量，减少相夹带等关键技术方面取得突破性进展。
Technology of microbial metallurgy is applied widely at present, and it 's utilized in industrial extraction of copper.
目前生物冶金技术已广泛应用，并在铜的提取上实现了工业应用。
The effect of solid particle content in feeding liquid on phase disengagement and interfacial emulsion in copper solvent extraction is studied.
研究了铜溶剂萃取时，萃原液中固体微粒含量对分相和界面乳化的影响。
Recovery copper and molybdenum from low grade molybdenum slag has been studied, and a new NaOH digestion and liquid-liquid extraction process has been developed.
本论文全面总结了从除钼渣中综合回收铜、钼、钨的研究成果，提出了处理除钼渣的碱分解—萃取新工艺。
Therefore, we can expect the amount of electricity used by the copper-extraction industry to decline significantly.
因此，我们可以预期，采铜行业所消耗的电量将会大大减少。
The method of determination of copper in light oil by air-acetylene flame atomic absorption was discussed in this paper, and the extraction and enrichment of copper in light oil was reviewed.
探讨了用原子吸收空气-乙炔火焰连续测定轻质油中痕量铜的方法，并考察了轻质油中铜的萃取富集方法。
The products obtained were purified by extraction with copper sulfate solution, filtration through silica gel, recrystallization and vacuum sublimation.
粗产物经硫酸铜溶液萃取、硅胶过滤、重结晶、真空升华进行分离提纯得到纯产品。
The separation of nickel, cobalt and copper from ammonium carbonate solution was carried out by solvent extraction.
采用溶剂萃取从碳酸铵溶液中分离镍、钴、和铜。
Ocean manganese nodules have the potentiality to be the important mineral resources for extraction of non ferrous metals such as manganese, cobalt, nickel and copper.
海洋锰结核是今后提取锰、钴、镍、铜等有色金属的重要矿产资源。
The effect of nitrogen sparging on the mass transfer rate in the extraction of copper from aqueous solution by a kerosene solution of naphthenic acids was studied.
研究了氮注射对环烷酸萃取溶液中铜离子的质量转移速率的影响。
Extraction of copper using N902 extractant from hydrochloric acid medium by atomized extraction way was investigated.
用N902萃取剂采用雾化萃取方式对盐酸介质中铜的萃取进行了研究。
This paper summarizes the process features of purification arsenic removal of copper electrolyte by solvent extraction or continuous electrowinning and makes analysis and comparison.
总结了萃取法和连续电积法两种铜电解液净化脱砷新工艺的特点，并进行了分析比较。
The purpose of this paper is to cloud point extraction technology and UV - visible spectrophotometry combined to establish the actual samples of trace amounts of copper ion of the new method.
本论文的目的是将浊点萃取技术与紫外—可见分光光度法联用，建立实际样品中痕量铜离子测定的新方法。
Tessier's sequential extraction procedure for the speciation was adopted to study speciation and bio-availability of Cu in soil of Dexing Copper Mine.
采用Tessier连续逐级形态提取方法，研究了德兴铜矿土壤中铜存在的化学形态和生物可利用性。
The technical features and worldwide application of direct extraction technology used for leaching of low-grade copper resources are introduced in this paper.
介绍了湿法浸出直接提取的技术特点，对湿法浸出直接提取技术在国内外的应用情况作了全面的介绍。
Organic extraction was conducted for copper from the purple argillaceous-arenaceous dolomite in the Dongchuan copper mine.
对云南东川铜矿的紫色泥砂质白云岩进行了有机质萃取铜的实验。
Removal of cobalt from copper chloride solution by solvent extraction with P204 is studied.
研究了用溶剂萃取法从氯化铜溶液中去除钴。
METHODS By combinaton of complexing dissolution, solvent extraction and photometric measurement, the amount of salicylic acid was first obtained and then converted to the content of copper salicylate.
方法通过络合溶解、溶剂萃取、光度法测量的联用，测定水杨酸的量，再换算成水杨酸铜的含量。
The correlation between the particle size of oxidized copper ore and its metal extraction rate in heap leaching process was studied.
研究了在堆浸工艺中氧化铜矿石粒级大小与浸出率之间的相关性。
This paper made study on gold extraction by leaching copper anode mud with acidic thiourea solution.
本文研究了用酸性硫脲溶液从铜阳极泥中浸取金的方法。
This article has described the impact of Chlorine upon the system of Zinc hydrometallurgical extraction, and also presented Chorine removal by Copper cake purification.
文章论述了湿法炼锌中氯对系统的影响，提出了利用铜渣净化除氯的方法，分析了铜渣净化除氯中各因素对除氯效果的影响。
A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.
研究了在酸性介质中，钼酸盐孔雀绿浮选分光光度法测定铁、镍、铜中痕量磷。
The experimental results of chloride leaching, copper cobalt separation by electrolyzing, and iron removal with TBP extraction are obtained.
试验条件下，钴、铜、铁浸出率均达到99%，且分离效果良好。
In this paper, the primary results of middle experiment for the extraction of gold from copper-rich pyritiferous gold concentrate by thiocyanate process are reported.
本文介绍了硫氰酸盐法从高铜、高硫金精矿中提金的中间试验研究。
The Leach Solution is then processed in a 2 stage Copper Solvent Extraction circuit.
过滤液然后通过二级铜溶剂萃取流程进行处理。
The Leach Solution is then processed in a 2 stage Copper Solvent Extraction circuit.
过滤液然后通过二级铜溶剂萃取流程进行处理。
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