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- Application of a Biological Iron Removal Process at Grove Water Treatment Works 水处理厂除铁生物过程的应用
- Experiments on iron removal from potash feldspar ore from Yuanmou area by using maguetic separation have been carried out. 介绍采用全磁选工艺，对云南元谋县丙令乡钾长石矿石进行了除铁试验研究。
- Biological Iron and Manganese Removal and its Effecting Factors 生物除铁除锰及其影响因素
- The experimental results of chloride leaching, copper cobalt separation by electrolyzing, and iron removal with TBP extraction are obtained. 试验条件下，钴、铜、铁浸出率均达到99%25，且分离效果良好。
- The recent studies advances on iron removal from bauxite ores are outlined in this paper. Its trends in China is also discussed. 概述了国内外铝土矿选矿除铁的研究现状，探讨了我国铝土矿选矿除铁的发展趋势。
- This paper covers production practice of jarosite process in hot-acid leaching and comparison between iron hydroxide process and jarosite process that are used for iron removal. 介绍了热酸浸出黄钾铁矾工艺的生产实践，对氢氧化铁法和黄钾铁矾法两种除铁方法进行了比较。
- Jarosite process was selected for iron removal due to the characteristics of the solution originated from the reduction leaching of manganese nodules by pyrite in chloride system. 摘 要 针对酸性氯化物中黄铁矿还原浸出锰结核的溶液成分特点，选择黄钠铁矾法进行了沉淀分离铁的研究。
- To extract zinc from high Si and Fe zinc oxide ore, a new process consisting of low acid leaching, iron removal and desilication was developed for zinc extraction. 为了从高含硅、含铁等的氧化锌矿中提取锌,设计了低酸浸出、针铁矿除铁并脱硅提锌的新工艺。
- With addition of hydrogen superoxide controlled, the process for iron removal from acidleachate of zinc dross through oxidation-hydrolysis in batches is characterized by high efficiency, lowcost, easy control and simple equipment, etc. 采用控制添加过氧化氢的方法从锌浮渣酸浸液中分批氧化水解除铁，具有除铁率高、本低、操作控制、备简单等特点。
- After iron removal and bleaching, the iron content in cornish stone had been dropped from 0.64% to 0.20% and the cornish stone whiteness had been increased from 68.2% to 83.7%. The highest whiteness could be 84%. ? 经除铁漂白处理;使瓷石中铁的质量分数由原来的0.;64%25降为0
- The technology conditions of iron removal have been discussed in acidic leaching liquid of dust from copper-smelting with the methods of the oxidization by oxygen and hydrogen peroxide. 研究了用氧气（或空气）和过氧化氢两步氧化法去除炼铜烟灰酸浸液中的铁。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Mechanism of Biological Manganese Fixation and Removal and Biological Iron and Manganese Removal Technology from Ground Water 生物固锰除锰机理与生物除铁除锰技术
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- Study on Iron Removal From Salt Mine Brine 盐矿水采卤除铁技术的研究
- iron removal with addition of alu- minum 加铝除铁
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- It will take weeks to get all the wrinkle iron out. 解决这些难题得要几周时间。
- iron removal with addition of aluminum 加铝除铁
- Have you any scrap iron knocking about? 你那儿有散在各处的废铁吗？
