Levi Strauss brought denim waste overalls to San Fransisco where gold miners put them to work.
利瓦伊.施特劳斯把粗斜纹棉布工作服带到旧金山,金矿的工作穿上它们来工作.
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Most natural electrum also contains copper, iron, palladium, bismuth, and perhaps other metals.
大部分天然银金矿含有铜 、 铁 、 钯 、 铋, 可能还有其它金属.
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生产实践表明,采金船复采在老柞山金矿的应用是行之有效的.
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Gold mineral is native gold, its grain size is fine, its fineness is high.
围岩蚀变作用不强.金矿物为自然金, 粒度细 、 色高.
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公司的经营范围主要是 铁合金 矿产品 、 五金及海产品的生产 与 进出口贸易.
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In the world a lot of gold deposits occur in the early Precambrian greenstone belts.
早前寒武纪花岗岩—绿岩地体中赋存着丰富的金矿床.我国绿岩带主要分布在华北陆台,也是重要的含金岩系.
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He made a fortune during the gold rush and established his own mine of gold.
他在淘金热中发了财,并建起了自己的金矿.
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桂西北凤山金牙中三叠统微细浸染型金矿床产于浊积岩中.
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The geological character and occurence state of the gold are stated in detail in this article.
本文详细地阐述了该金矿床的地质特征及其金的赋存状态.
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Jinlin gold deposit lies in the eastern subzone of the west Mianning shear zone.
金林金矿位于冕西韧性剪切带的东带.
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刘屯金矿床为含金硫化物石英脉型, 以其品位富 、 埋藏浅为特点.
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Theory and technique of one step leaching gold from refractory arsenical gold ores
含砷难浸金矿次氯酸钠一步法浸金理论与技术
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本文研究了金厂峪金矿太古代斜长角闪岩中构造岩的特征和分布特点;
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游离氰浓度是氰化提金液的主要控制指标之一.用银离子选择电极监测金矿氰化液的游离氰其主要困难在于电极中毒.通过电子探针分析确定了中毒离子;
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The improvement of gold recovery from gossan type gold ores by cyanide process
铁帽型金矿氰化提金生产过程中提高回收率的措施
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Gold leaching of copper-bearing gold ore by ammoniacal cyanide process and its industrial practice
氨氰法从含铜金矿石中提金研究与工业实践
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