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copper molybdenum
相关语句
  相似匹配句对
     COPPER
     铜
短句来源
     Effect of molybdenum and copper on antioxygenic property in mice
     钼和铜对小鼠抗氧化机能的影响
短句来源
     ALTERATION OF DE XIN PORPHYRY COPPER(MOLYBDENUM)
     德兴铜厂斑岩型铜(钼)矿床的围岩蚀变研究~((1)(2)(3))
短句来源
     BRAZING OF MOLYBDENUM
     钼的钎焊
短句来源
     , copper silicarsenate (?)
     是待审批的新矿物,硅砷铜石(?)
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  copper molybdenum
We have measured critical current densities Jc, of superconducting copper molybdenum sulfide prepared by sputtering onto heated sapphire substrates.
      
Critical currents and scaling laws in sputtered copper molybdenum sulfide
      
The ore bodies occur as large low-grade copper-molybdenum porphyry deposits.
      
The porphyry copper-gold and copper-molybdenum deposits are associated with Triassic-Jurassic and younger plutons.
      
The company is currently conducting a pre-feasibility study of a 60-80,000 TPD copper molybdenum project.
      
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Professor Chen Guoda has pointed out that porphyry copper and molybdenum deposits are an important deposit type of diwa (geodepre ssion) regions. Therefore, it is of important significance for guiding ore-searching practice to sum up metallogenic regularities in southeastern Hubei Province.Southeastern Hubei Province belongs to the Lower Yangtze depres sion in the Central China diwa region and has an extensive platform structural layer. In the Yanshanian orogeny, the region entered a diwa stage....

Professor Chen Guoda has pointed out that porphyry copper and molybdenum deposits are an important deposit type of diwa (geodepre ssion) regions. Therefore, it is of important significance for guiding ore-searching practice to sum up metallogenic regularities in southeastern Hubei Province.Southeastern Hubei Province belongs to the Lower Yangtze depres sion in the Central China diwa region and has an extensive platform structural layer. In the Yanshanian orogeny, the region entered a diwa stage. During this stage, folding and block - faulting take place strongly; magmatic intrusion and extrusion occur intensely. Along with diwa-tpye sedimentary and volcanogenic formations, there are magmatic formations of granodiorite arranged in belts, creating a geologic premise for the generation of porphyry copper deposits.The porphyry copper deposits in southeastern Hubei Province occur in geodome-uplift fold-fault zones and are controlled by multiple-emplaced ultrahypabyssal small intrusions of granodiorite. The morphology and attitude of the orebodies are related to the internal structures of the intrusions. There exist breccia pipes and veinlet zones. The manifold and multistage mineralization leads to the primary zonation of ores and the distribution of compound alteration zones. This is an important indicator for evaluating porphyry copper deposits.The diwa-type granodiorite bodies have been intruded along fractures into the platform structural layer, where they come into contact with carbonate rocks to form skarn iron-copper deposits of Daye type. They are spatially, temporarily and genetically closely related to porphyry copper-molybdenum deposits, constituting a "many-position and one body" metallogenetic model,

陈国达教授曾指出:“斑岩铜、钼矿是地洼区的重要矿床类型”。因此,运用地洼成矿理论,总结鄂东南成矿规律,对指导找矿实践有重要意义。 鄂东南属华中地洼区苏鄂地洼系。该区广布地台构造层。燕山运动转化为地洼区,这时褶皱块断运动发育,岩浆侵入和喷发剧烈,除形成地洼沉积建造、火山岩建造外,还形成带状展布地洼型的花岗闪长岩类的岩浆建造,为形成斑岩铜矿创造了地质前提。 鄂东南斑岩铜矿产在地穹隆起断褶带。受超浅成的花岗闪长岩类的复式侵入的小岩体控制。矿体形态,产状与岩体内部构造有关,有角砾岩筒和细脉带两种形式。由于成矿作用多种,成矿阶段多期,造成矿石原生分带和复式蚀变带展布,是评价斑岩铜矿的重要标志。 地洼型花岗闪长岩侵入体顺断裂侵入到地台构造层,与碳酸盐岩石接触,形成矽卡岩型大冶式铁铜矿床。它在时间上空间上成因上均与斑岩铜、钼矿有密切联系,构成“多位一体”的成矿模式。是地洼区内生成矿作用最重要特点之一。

The phosphide eutectics of gray cast iron, the phosphide eutectic-carbide compounds of heavy section compacted/vermicular graphite cast iron and the intercellular compounds of heavy section copper molybdenum alloyed ductile iron have been studied and analyzed quantitatively by using electron microprobe (EPMA) . Based on the experimental results the segregation of phosphorus and the mechanism of the formation of phosphide eutectics have been discussed further.

作者用电子探针对灰铸铁件中的磷共晶,厚壁蠕墨铸铁件中的磷共晶——碳化物复合物及厚壁铜钼合金球墨铸铁件中的晶间化合物进行了较精确的定量分析.并且根据试验的结果,对磷的偏析及磷共晶的形成机理作了进一步讨论.

A rather detail description is presented in the paper on the geological characteristics of porphyry copper-molybdenum deposit:its regoinal geology;the rock and the alteration types of the mining area; and the ore body conditions.

本文从区域地质、岩性特征、围岩蚀变、矿体赋存条件及形态、矿体分带性等方面较详细地论述了内蒙乌奴格吐山斑岩铜钼矿床的地质特征,有一定的参考价值。

 
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