| 单词 | placer gold |
| 释义 | 例句释义: 砂金,沙金 1. Regional volcanic strata are the source of placer gold and laterization process is the main stage of formation of placer gold. 区域火山岩地层是砂金的矿源，地表赤红壤化可能是砂金形成的主要阶段。 www.ilib.cn 2. 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。 www.chemyq.com 3. Eraluating the mined out area is one of effective and dependable ways for exploring placer gold. 指出以过采区为依据寻找砂金矿可靠性大，风险度小，是行之有效的途径之一。 www.chemyq.com 4. High mineral sand washing cleanliness, suitable for washing separation of placer gold with great viscosity. 矿砂洗净度高，很适用在粘性大的砂金矿区进行洗选作业； www.showxiu.com 5. The operation practice indicated that the remining of placer gold in Laozuoshan Gold Mine was efficacious. 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。 www.chemyq.com 6. The distributive characteristics of the placer gold in the island frozen soil layer in the Luobei, Heilongjiang Province and its origin 黑龙江萝北县岛状冻土带砂金分布特征及其成因探讨 www.ilib.cn 7. Lead Isotope Composition and Sources of Trace Lead in Placer Gold of the Hunchun River Valley 珲春河流域砂金中微量铅同位素组成及其来源 www.ilib.cn 8. Application of hyperbolic wave table in placer gold concentrator 砂金选厂双曲波摇床的应用 service.ilib.cn 9. Study on new technic of purifying gold, silver from placer gold without pollution 无污染从砂金中提纯金、银新工艺方法的研究 scholar.ilib.cn 10. Mine samples to placer gold separation and calculation of recovery 砂金选矿取样及回收率计算 service.ilib.cn 1. Discussion on the detection of mineral processing process of placer gold 砂金选矿工艺检测探讨 service.ilib.cn 2. Weathering Crust and Placer Gold in Cold Region of Northeast China 中国东北寒区的风化壳与砂金矿床 www.ilib.cn 3. A research on new type of portable placer gold washing set 新型便携式选金机组的研究 service.ilib.cn |
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