查询词典 low grade ore
- 与 low grade ore 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The preparative condition of cupric sulfate from low-grade copper ore has been investigated in this paper,the method of removal of iron in the process has also been studied.
探讨了从低品位铜矿制取硫酸铜的工艺条件，并针对制取过程的除铁进行了研究。
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On the basis of analyzing the slaggy properties,the reason- able range of slaggy composition for pyrometallurgy enrichment of low grade lead-zinc oxide ore containing germanium is determined.
本文在分析火法富集低品位含锗氧化铅锌矿炉渣性质的基础上，确定了富集过程中合理的炉渣组成范围
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On the basis of analyzing the slaggy properties the reason - able range of slaggy composition for pyrometallurgy enrichment of low grade lead zinc oxide ore containing germanium is determined .
本文在分析火法富集低品位含锗氧化铅锌矿炉渣性质的基础上，确定了富集过程中合理的炉渣组成范围；提出了调整配料比例，补加少量石灰，以改善炉渣性质，提高生产过程中的技术经济效益。
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The ore of low grade nickel that contains a large number of serpentine is handled hard all the time.
梗概： 含有大量蛇纹石的低品位镍矿石一直是难以处理的。
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The low-grade phosphate ore s with high impurities of sesquioxide were digested in phosphoric acid and nitric acid.
采用正交实验，研究了高倍半氧化物含量的中低品位磷矿在磷酸与硝酸混酸中的酸解行为，并确定了实验室最佳工艺条件：反应温度65℃，液固比14∶1，磷酸浓度(P2O5)20%，硝酸浓度9。
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The technological flow for directly preparing sodium stannate from the low grade tin ore (containing tin 20%￣30%) has been studied.
研究了用低品位锡矿（含锡20％～30％）直接制取锡酸钠的工艺流程，即把锡矿先进行还原焙烧，然后用NaOH溶液浸出，最后把溶液浓缩结晶制成锡酸钠产品。
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Gold mineralization is controlled by the near E-W-trending fault. The metallogenesis belongs to cataclastic altered rock type, with characteristics of low grade and large amount of ore, which is the first discovery in western Liaoning.
通过钻探证实，金矿化受近东西向断裂构造控制，矿化类型为碎裂蚀变岩型，具有低品位、大矿量特点，在辽西地区属首次发现。
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The process of selective reduction roasting- ammonia leaching is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.
本研究采用选择性还原焙烧—氨浸工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了该工艺氨浸的试验研究。
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The process of selective reduction roasting-ammonia leaching-solvent extraction-electrowinning is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.
本研究采用选择性还原焙烧-氨浸-溶剂萃取-电积工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了采用煤作还原剂，选择性还原焙烧的试验研究。
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Phosphatic fertilizer production will depend on the low-grade phosphate ore s more and more .
随着富矿资源开采的日渐枯竭，磷肥生产将不得不依赖杂质较多的贫矿资源，因此低品位磷矿的开发将具有重要的现实意义。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊！不用提了。提到肉，真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ，我不知道把这信寄到哪里，也不知道你是否想收到它。