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- 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。
- 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。
- He doubled his slice of bread to make a sandwich. 他将一片面包对摺做成三明治
- This sentence doesn't make sense. 这个句子没有意义。
- He asked the tailor to make over his pants. 他请裁缝把他的裤子翻改了一下。
- To make stuffed dumpling is his speciality. 包饺子是他的拿手好戏。
- Human beings have learned out how to make magnet of cast iron. 人类已经学会如何从生铁制出磁铁。
- He larded the duck with pig fat to make it tasty. 他给鸭肉加了点猪油使它美味可口。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- Some young people like to make a fetish of style. 有些年轻人喜欢盲目地赶时髦。
- He had to make a quick change at Shanghai. 他不得不在上海匆忙换车。
- Study on Iron Removal From Salt Mine Brine 盐矿水采卤除铁技术的研究
- I'm going to make sure if I'm going to Macao. 我要拿定主意我是否去澳门。
