placer gold
砂金
常用释义
英式发音
美式发音
基本释义
- 砂金；沙金
例句
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1·The coefficient of dissolution can indicate the source of placer gold.溶蚀系数可指示砂金是近或远原生源金矿。
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2·A new technic of purifying gold, silver from placer gold without pollution was proposed.提出了一种无污染从砂金中提纯金、银新工艺。
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3·The associated minerals are the important indicator of the genesis and enrichment of placer gold .伴生矿物是砂金成因和富集规律的重要指示标志。
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4·A placer gold area is usually distributed in the flowing regions of plain terrain, belt-like rivers.砂金地区一般分布在地形平坦、呈带状的江河流域。
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5·The source materials of the placer gold deposit in the area are from skarn — typed Au — Ag — Cu — Fe polymetallic ore.矽卡岩型金银铜铁多金属矿床等是本区砂金矿的物质来源。
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6·The regenerated mineralization of placer gold by thawing action are also proved through simulation, contrast and experiment.并通过模拟对比实验结果，论证了融冻作用使砂金再生成矿。
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7·Placer gold samples are rich in light REE, the characteristics of REE contents of which partly inherited from hard rock gold.砂金样品则以较富集轻稀土为特征，稀土元素含量继承了岩金的部分特点。
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8·Owing to the metallogenetic inheritance of placer gold and mountain gold, their liquid-inclusion composition are very similar.由于成矿作用的继承性、砂金的气液包体成分同原生的金十分相似。
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9·Thus it will guarantee the primary placer gold sampling and reduce the Labour intensity of workers, in order to raise the drilling efficiency.从而能保证取出原生矿样，并降低工人的劳动强度，实现钻进的高效率。
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10·The REE contents of 84 placer gold samples and 7 hard rock gold samples in Heilongjiang province are determined by plasma mass spectrographic analysis.对黑龙江省84个砂金样品及7个岩金样品，用等离子质谱仪分析了它们的稀土元素含量。