基于密度泛函理论,采用第一性原理赝势法,首先计算了贵金属(Cu Ag Au)晶格常数及内聚能,在此基础上计算并分析了贵金属(Cu Ag Au)的态密度.计算结果表明,对于贵金属GGA给出的计算结果精度要高于LDA,计算所得结果与实验吻合.
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A method for the analysis of an, ag, Zn, Cu, Ni, Co and fe in ion-exchange resins at the different stages of technological processes of leaching Au using ion-exchange technology was developed.
本工作对离子交换法提取金的工艺生产过程不同阶段离子交换树脂中的金及其它元素银、锌、铜、镍、钻和铁的分析进行了研究。
As such, Cu, fe, Au, Ag have been more returned, presumptive effect was reached.
结果表明：铜、铁、金、银得到进一步回收，达到了预期效果。
The associated gold mineralization can be classified into two types: Au (Ag) -bearing polymetallic skarn sulphide Sn-Cu deposit and Au-be.
伴生金矿床可分为含金(银)多金属矽卡岩硫化锡铜矿床及含金脉(层)状锡铅矿床。
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