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valuable elements
相关语句
  有价元素
     Hot-pressure acid leaching of Cu is operated at 110 ℃ and 0.45 MPa of oxygen partial pressure,with the advantage of high recovery for valuable elements,simple technology and less pollution. The extraction rates of gold、silver、copper and sulfur are 98.3%,82.7%,98.1% and 99.2% respectively.
     热压浸铜在110℃和0.45 MPa氧分压下操作,有价元素综合回收率高,对环境污染小,是一种清洁的湿法冶金工艺,金、银、铜和硫的回收率分别达到98.3%、82.7%、98.1%和99.2%。
短句来源
     In order to provide reliable criteria for industrial test,a new separation technology for comprehensive recovery of valuable elements such as molybdenum,Zinc,iron and sulphur was examined on the basis of laboratory experimental research.
     为了给工业试验提供可靠依据,通过采用“优先反浮选消除滑石干扰,然后选钼、锌,同时回收铁”的选别工艺试验研究,较好地实现了综合回收钼、锌、铁、硫等有价元素
短句来源
     Recovery of Valuable Elements from Oxidized Manganese Ores by SO_2 Process in A Pachuca Tank
     SO_2法浸出锰矿石中的有价元素
短句来源
     Production Practice of Recovering Associated Valuable Elements in Dexing Copper Mine
     德兴铜矿伴生有价元素回收的生产实践
短句来源
     Separation and Enrichment of Valuable Elements from Copper Residue Leached by Chlorine
     铜渣氯浸渣中有价元素分离富集工艺
短句来源
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  价元素
     Hot-pressure acid leaching of Cu is operated at 110 ℃ and 0.45 MPa of oxygen partial pressure,with the advantage of high recovery for valuable elements,simple technology and less pollution. The extraction rates of gold、silver、copper and sulfur are 98.3%,82.7%,98.1% and 99.2% respectively.
     热压浸铜在110℃和0.45 MPa氧分压下操作,有价元素综合回收率高,对环境污染小,是一种清洁的湿法冶金工艺,金、银、铜和硫的回收率分别达到98.3%、82.7%、98.1%和99.2%。
短句来源
     In order to provide reliable criteria for industrial test,a new separation technology for comprehensive recovery of valuable elements such as molybdenum,Zinc,iron and sulphur was examined on the basis of laboratory experimental research.
     为了给工业试验提供可靠依据,通过采用“优先反浮选消除滑石干扰,然后选钼、锌,同时回收铁”的选别工艺试验研究,较好地实现了综合回收钼、锌、铁、硫等有价元素
短句来源
     Recovery of Valuable Elements from Oxidized Manganese Ores by SO_2 Process in A Pachuca Tank
     SO_2法浸出锰矿石中的有价元素
短句来源
     Production Practice of Recovering Associated Valuable Elements in Dexing Copper Mine
     德兴铜矿伴生有价元素回收的生产实践
短句来源
     Separation and Enrichment of Valuable Elements from Copper Residue Leached by Chlorine
     铜渣氯浸渣中有价元素分离富集工艺
短句来源
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  价元素的
     The separation and enrichment of valuable elements in copper residue slag leached by chlorine in Jinchuan company were studied by the method of sodium sulfide leaching and SO_2 neutralization. The effect of temperature, concentration of Na_2S, molar ratio of Na_2S to S~0 and leaching time on leaching process were researched.
     用Na2S浸出 SO2 沉淀法对金川公司铜渣氯浸渣中有价元素的分离和富集进行了研究,分析了浸出温度、Na2S浓度,Na2S与S0 的摩尔比及浸出时间对浸出过程的影响。
短句来源
     Comprehensive Recovery and Utilization of the Valuable Elements in High Arsenic High Sulfur Tailings of Yunnan Tin Mines
     云锡高砷高硫尾矿中有价元素的综合回收
短句来源
     The Research and Practice of Comprehensive Recovery of Valuable Elements from Zinc-Leaching Residues
     从浸锌渣中综合回收有价元素的研究及实践
短句来源
     Investigation and operating practice to recovery valuable elements from the flotation tails
     从浮选尾矿中综合回收有价元素的试验研究与实践
短句来源
     Comprehensive Utilization of the Valuable Elements in a Rare Earth Mine in Southwest China
     西南某稀土矿有价元素的综合利用探讨
短句来源
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  “valuable elements”译为未确定词的双语例句
     It shows that at 80℃ with a acidity of 180 g/L the leaching rate of Ga and Ge can reach 96.8% and 68.4%, respectively. Solvent extraction was employed to purify the valuable elements.
     研究结果表明,在酸度为180g/L、温度为80℃的浸出条件下,镓和锗的浸出率分别可达到96.8%、68.4%和98.2%。
短句来源
     Analysis of the trace elements in the manganese nodules from the northern part of the Central Pacific Ocean shows that economically valuable elements such as Ni, Cu, Zn, Co, Pb, and Sr are quite rich in the investigation area.
     中太平洋北部锰结核中的微量元素分析表明,调查区具有经济价值的金属元素Cu,Ni,Co,Zn,Pb以及Sr含量很高。
短句来源
     Discussed on the Valuable Elements of Drinking Natural Mineral Water in Shanxi Province
     山西省饮用天然矿泉水有益元素分析
短句来源
     Ore from Fankou Lead-Zinc mine is not only abundant in Pb、 Zn、 Ag and S, but also rich in rare metal resources such as germanium(Ge) and gallium(Ga), so it is worthwhilw to recover these valuable elements.
     凡口铅锌矿矿石除富含Pb、Zn、Ag、S外,还富含稀散金属资源锗(Ge)、镓(Ga),具有很高的回收价值。
短句来源
     This paper analyzed the physical and chemical characteristics of thermal ground water in Shanxi province,as well as discussed the valuable elements and its origin of the thermal ground water and the drinking natural mineral water.
     本文分析了山西省地下热水的物理与化学特征,同时对地下热水与饮用天然矿泉水中的有益元素及其来源进行了探讨
短句来源
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  valuable elements
Very high recoveries of other valuable elements, such as nickel and copper, have also been achieved.
      
Selective chlorination of raw, unroasted samples with Cl2 + air, Cl2 + N2, and Cl2 + CO + N2 gas mixtures have been investigated for the recovery of valuable elements.
      
Thermal treatment of complex sulfide ores in N2 and H2 Atmospheres: A new approach for the extraction of their valuable elements
      
The selective removal of valuable elements from ferroalloys has been investigated.
      
Support for the valuable elements in the European dimension of civic education does not entail support for a contrived notion of citizenship for inhabitants of nations who have long civic traditions of their own.
      
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A hydrometallurgical process for recovering some valuable elements from the dust in smelting manganese-rich dregs is proposed. The dust is first treated with sulfuric acid, and then at appropriate pH, zinc together with manganese is separated by precipitation and subsequently converted into the corresponding sulfate and carbonate.

本试验提出了一个从富锰渣冶炼烟尘中回收某些有价值元素的湿法冶炼工艺。首先烟尘直接用硫酸处理,然后通过控制适当的pH,锌锰被沉淀分离开来。最后,把它们转化为相应的硫酸盐和碳酸盐。在烟尘中的微量元素如镓、铟、铊等是通过萃取法分别提取的。试验表明,辛醇-(2)和N,N-二(1′-甲基庚基)乙酰胺是有效的萃取剂。

According to characteristics of uranium-bearing coal, this paper discusses the utilization of coal in processing the uranium-bearing coal, provides the techniques for the recovery of uranium from the uranium-bearing coal or coal ash, gives the applications of separation methods in its processing and studies the recovery of other associated valuable elements from it.

本文从铀-煤矿石的特征出发,讨论这类矿石加工中煤炭的利用方法、从煤中提铀和从灰中提铀的技术途径,选矿分离技术的应用、及有价伴生元素的回收等问题。

Guangxi-Dachang's jamesonite concentrate is a category of complex sul-fide concentrate which has been proved to be difficultly treatable. Thisthesis describes a new metallurgical process-oxidation-dry distillation pro-cess, which might be used for the treatment of such concentrate. The firststep of the process was to treat the concentrate to produce volative metalchlorides, residue and leached solution. Secondly, by use of various generalprocesses the intermediate products might be treated to extract antimony...

Guangxi-Dachang's jamesonite concentrate is a category of complex sul-fide concentrate which has been proved to be difficultly treatable. Thisthesis describes a new metallurgical process-oxidation-dry distillation pro-cess, which might be used for the treatment of such concentrate. The firststep of the process was to treat the concentrate to produce volative metalchlorides, residue and leached solution. Secondly, by use of various generalprocesses the intermediate products might be treated to extract antimony andlead, to recover other associated valuable elements, such as Ag, In, S, etc.,and to regenerate the ferric chloride. In addition, by use of gradual vaporization and tangent-graphic methodthe problems of the gas-liquid phase-equilibrium of the oxidization-dry dis-tillation process and that of dearsenization by fractionation of concentratedSbCl_3 solution were studied.

广西大厂脆硫锑铅矿精矿是一种难处理的复杂硫化矿。本文叙述了处理这种精矿的一种新方法——氧化干馏法。先用该法处理精矿,产出挥发性金属氯化物,浸出残渣和浸出液;再用一般方法处理中间产物,以提取锑和铅回收银、铟、硫等有价伴生元素,并再生氯化铁。本文还用渐次气化-图解切线法研究了氧化干馏体系及浓三氯化锑溶液分馏脱砷体系的气-液相平衡问题。

 
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