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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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The objection to the placer origin have centred around the softness of uranium compounds.
反对砂矿成因的论据主要是:铀的化合物不耐磨蚀.
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本论文研制之电路摆置器, 乃基于将用于低功耗设计下之闸控制时脉网路之功率消耗最佳化.
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在金矿找矿和评价工作中,重砂测量方法能提供重要找矿信息.
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This primitive form of placer mining is still used in some places for panning gold.
这种原始的砂矿开采形式至今还在一些地方用来淘金.
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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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该区砂金成色具有明显的不均一性 、 继承性和后期改造性.
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Pinggui Sn placer in Guangxi was discovered and exploited as early as the Bronze Age.
“平桂”砂锡矿,早在“青铜时代”已被发现、开发利用.
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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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Liaoning Xiuyan Nephrite Placer Deposit ( XNPD ) is a secondary deposit of primary nephrite ore.
辽宁岫岩软玉砂矿 ( 又称河磨玉矿 ) 是原生软玉矿的次生砂矿床.
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Eraluating the mined 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.
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- 相关词组
- air placer混凝土气力压送机;
- diluvial placer洪积砂矿床;
- belt type concrete placer带式混凝土浇注机;
- 今日热词
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- brochure n.小册子,手册;
- private adj.私用的;私营的;个人的;秘密的;私人的;隐私的;僻静的;内敛的;间接收入的;n.列兵;私处;
- Poor Things 可怜的东西;可怜的家伙
- catastrophe n.灾难,横祸;困难;
- i really like you 我真的很喜欢你;我真的喜欢你;我真喜欢你
- make america great again 让美国再次伟大;让美国再次强大(美国总统唐纳德·特朗普的竞选口号)
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- Every dog has his day 人皆有得意时,风水轮流转;凡人皆有得意日;人人皆有得意时;人皆有出头日;时来运转
- privilege n.特权;优惠;荣幸;v.特殊对待;

