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铜矿     
相关语句
  copper mine
    Study on producing Copper Sulphate from Low Grade Copper Mine
    低品位铜矿生产硫酸钢研究
短句来源
    The Study on New Technology of Copper-sulphur Separation in Dexing Copper Mine
    德兴铜矿铜硫分离新工艺小型试验研究
短句来源
    DAYAO COPPER MINE CHUXIONG XINGTAI COMPANY
    大姚铜矿楚雄星泰公司
短句来源
    STUDY ON UNDERGROUND LEACHING TECHNOLOGY AT WUSHAN COPPER MINE
    武山铜矿地下溶浸技术试验研究
短句来源
    Comprehensive Recovery of Associated Silver from Yulong Copper Mine,Tibet
    西藏玉龙铜矿伴生银的综合回收
短句来源
更多       
  copper ore
    STUDIES ON THE PREPARATION OF CUPRIC SULFATE FROM LOW-GRADE COPPER ORE
    从低品位铜矿制取硫酸铜的研究
短句来源
    Ammoniacal Leaching of Compound Copper Ore Under High-Pressure
    混合铜矿的高压氨浸工艺
短句来源
    Study on Removing Fe and Ca and Crystallizing CuSO_4·5H_2O from Leaching Solution of Mixed Copper Ore with Mixed Acid
    从混合铜矿混酸浸出液中去除Ca和Fe,结晶、重结晶制备CuSO_4·5H_2O工艺研究
短句来源
    Present Situation of Applications and Prospects about Bacterial Leaching Low Grade Copper Ore
    细菌浸出技术处理低品位铜矿的应用现状和前景
短句来源
    Ammoniacal Pressure Leaching of A Low-grade and Refractory Copper Ore
    某低品位难选离析铜矿的加压氨浸
短句来源
更多       
  copper ores
    DEVELOPMENT AND PROSPECTS OF LEACHING-SOLVENT EXTRACTION-ELECTROWINNING TECHNOLOGY FOR TREATING LOW-GRADE COPPER ORES
    低品位铜矿浸出-萃取-电积工艺的发展与展望
短句来源
    The Production of Copper Oxide and High Purity Ferric Oxide from Low-grade Copper Ores
    利用低品位铜矿生产氧化铜和高纯三氧化二铁
短句来源
    Study on Bacterial Leaching of Oxide-sulphide Copper Ores
    细菌浸出氧化-硫化混合铜矿的研究
短句来源
    Thermodynamics of Copper Arsenate Preparation Process From High Arsenic-Bearing Sulfide Copper Ores Leaching Liquor
    高砷硫化铜矿浸出液制备砷酸铜工艺的热力学
短句来源
    Bioleaching of low-grade copper ores
    低品位硫化铜矿细菌浸出
短句来源
更多       
  copper mineral
    Thermodynamics and Electrochemistry Analysis of Copper Mineral Leaching
    铜矿浸出热力学分析
短句来源
    The process mineralogy of the ore samples from Songjiapo district of Minle Copper Mine has been studied to make the conclusion that the copper mineral within the ore are copper sulfides, mostly chalcocite(>99%).
    首先对民乐铜矿宋家坡矿段的矿样进行了工艺矿物学方面的研究,研究表明民乐铜矿为硫化铜矿,以辉铜矿为主。
短句来源
    An account of studies on in - situ leaching/ extraction technology for exploitation of oxidic copper mineral resources is presented by virtue of industrial tests. It was found that exploitation of in - situ leaching/extraction technology of some copper mines in Chinese mainland is feasible with brilliant prospects expected.
    文章介绍了通过原地浸出提取技术提取氧化铜矿资源研究的工业试验表明,原地浸出提取技术对我国提取同类铜矿资源具有广阔的前景。
短句来源

 

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      copper mine
    Metal concentrations and mycorrhizal status of plants colonizing copper mine tailings: potential for revegetation
          
    A field survey of metal concentrations and mycorrhizal status of plants growing on copper mine tailings was conducted in Anhui Province, China.
          
    Comparison of source parameters estimated in the frequency and time domains for seismic events at the Rudna copper mine, Poland
          
    Tests were done during the past few years in Xinqiao Pyrite Mine and Phoenix Copper Mine to determine the technology parameters and the suitable content of fly ash.
          
    The mathematical models along the horizontal and vertical directions and modules for software package (DM>amp;amp;MCAD) have been developed and tested in Tonglushan Copper Mine.
          
    更多          
      copper ore
    The proposed approach has been applied to the determination of traces of Au(III) in copper ore.
          
    Neither were changes observed in the XbaI-restriction patterns of the DNA from strain TFV-1, isolated from the copper ore of the Volkovskoe deposit, when Fe2+ was substituted with alternative substrates-S0, pyrite or concentrate no.
          
    The copper ore and associated NM mineralization were formed at a relatively low sulfur fugacity, which was a few orders of magnitude (attaining 5 log units) lower than that of the pyrite-pyrrhotite equilibrium.
          
    Some aspects of a geological and genetic model of the porphyry copper ore-magmatic system are discussed.
          
    Natural radiation and its hazard in copper ore mines in Poland
          
    更多          
      copper ores
    Formation conditions of high-grade tin-copper ores in the Churpun'ya deposit (Yakutia)
          
    The Rb-Sr ages of the volcanic rocks and the Pb-Pb ages of copper ores have recorded the events of strong dynamic metamorphism and of strong reworking-metallogenesis of copper during the Jinningian period.
          
    The relative abundance of copper ores in southern Central America indicates a geochemical specialization of magma in copper and the possible continuation of the circum-Pacific copper belt across Central America.
          
    Recent work has shown that cobalt is also a significant constituent of the Mount Isa copper ores.
          
    Alpine porphyry copper ores located in West Romania belong to the major Alpine belt developed from the Carpathians up to the Eastern Asia.
          
    更多          
      copper mineral
    Native copper, the only copper mineral associated with the breccia, mainly adhers to the cavity walls in the cementing materials.
          
    Raman microspectroscopic analyses were performed on the freshly prepared undried caps that formed at the top of the pits and allowed the identification of several corrosion products by a comparison with standard copper mineral samples.
          
    This range is relevant to the oxidative leaching of this copper mineral in sulfate and chloride lixiviants.
          
    Bornite is the most abundant copper mineral within the deposit, in particular within the Main orebody of the Central area.
          
    Chalcopyrite is the main primary copper mineral in the Western area.
          
    更多          


    In this study the gold and silver contents of ore are 6.2g/ton and 268g/ton respectively. The contents of copper, lead and zinc are also worthy to be recovered. The principal constituents are carbonate (70%), silicates (about 20%), and sulfides (about 10%). The gold minerals are native gold, auriferous silver, copper silver, small amounts of auriferous copper silver and auriferous copper. More than 90% of their grains are less than 10μ. After grinding to less than O.2mm, according to the atomic absorption analysis,...

    In this study the gold and silver contents of ore are 6.2g/ton and 268g/ton respectively. The contents of copper, lead and zinc are also worthy to be recovered. The principal constituents are carbonate (70%), silicates (about 20%), and sulfides (about 10%). The gold minerals are native gold, auriferous silver, copper silver, small amounts of auriferous copper silver and auriferous copper. More than 90% of their grains are less than 10μ. After grinding to less than O.2mm, according to the atomic absorption analysis, mineralographic analysis, laser spectrographic analysis and electrcnic microscope examinations about 55% of gold are still locked in the matrix, ranging from 20 to 500 microns. The cyanide leaching tests show that most of the finer particler are closely bounded by the matrix and cannot react with the cyanide as they are not released in the grinding stage.

    所研究矿石含金6.2克/吨,含银268克/吨。Cu、Pb、Zn均具回收价值。主要矿物成分是碳酸盐(70%)、硅酸盐(约20%)和硫化物(约10%)。金的矿物有自然金、银金矿及少量金铜矿、铜银矿和含铜金银矿。其粒度小于10微米的约占90%以上。经原子吸收光谱分析、物相分析、激光光谱分析和电子显微镜观察确定,本试料磨至—0.2毫米后,约55%的金仍分布于载体矿物中,以0.5—0.02微米的次显微金的形式存在。氰化提金试验表明,载体矿物中的次显微金粒大部分不能与氰化物反应。这是因为它们在磨矿过程中不能单体解离,仍被载体矿物严密包封。

    The behaviour of silver during leaching a lead concentrate in a ferric chloridemedium was investigated.The effect of silver-bearing tetrahedrite on the recovery ofsilver was established.A procedure for pretreating the sample with sodium hydroxidesolution was used to decompose the tetrahedrite into a(Cu,Ag)_(2-x)S phase whichcould be leached easily in the subsequent ferric chloride leaching-electrolysis process.As a result,the extraction of silver was raised from 45% to 85%.

    研究了湿法冶金工艺中以三氯化铁介质浸出铅精矿时银的行为。查明了含银黝铜矿对银回收率的影响。用苛性钠溶液预处理矿样以使含银黝铜矿分解成为在随后的氯盐浸出——电解工艺中易于浸出的(Cu,Ag)_(2-x)S 相,结果银的提取率从45%提高到85%。

    This paper describes a new nickel-molybdenum ore deposit, characteristics of mineral composition and ore dressing methods. The deposit is newiy discovered in carbouaceous shale in fossil strata of the Sinian and the Cambrian systesm. Through ore dressing tests at Dahu mine in cili, Hunan, it's found that sieving, jigging and heavy-mcdium separation can all bc used as roughing for rejecting waste. However, the flowsheet with sieving as the principal and jigging as the supplementary means is more rcasonable. The...

    This paper describes a new nickel-molybdenum ore deposit, characteristics of mineral composition and ore dressing methods. The deposit is newiy discovered in carbouaceous shale in fossil strata of the Sinian and the Cambrian systesm. Through ore dressing tests at Dahu mine in cili, Hunan, it's found that sieving, jigging and heavy-mcdium separation can all bc used as roughing for rejecting waste. However, the flowsheet with sieving as the principal and jigging as the supplementary means is more rcasonable. The nickel mineral occurs mostly as -10 mm sulphide ore nodule. Jigging is the main method for obtaining high grade nickel concentrate. Part of nickel mineral associated with kappa-pyrite can be effectively floatcd with straw cellulose and xanthatc after carbon removing and molybdenum flotation. The molybdenum mineral size is Icss than 1μm. Except parts occurring in sulphide ore nodule, most of molybdenum minerals are associated with carbonolite, iron, silica and aluminium elements. They are mainly recovered by flotation. With the strong depression of water glass, collophane flotation with rough sulfated soap has yielded good results. This article also gives a brief introduction to the smelting technology of this type of nickel-molybdenum concentrate.

    对慈利大浒镍铜矿选矿试验,作者论述了在震旦系和寒武系古地层上新发现的一种赋存于碳质页岩中新型镍钼矿的物质组成特征、选矿方法以及选矿产品的冶炼方法。

     
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