... rare earth metal 稀土金属 rare earth ore concentrate 稀土精矿 rare earth organic fluorescent materials 稀土有机发光材料 ...
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...设地址：冕宁县回坪乡许家河村 3、建设性质：技改 4、主要内容及规模：建设生产厂房安装一条年处理6000t稀土精矿（TREO=70%）的主体工程；建设相应的供电、供水、供热、消防等公用工程；配套建设HCl尾气吸收装置、水膜除尘装置和事故应急池等风险防范...
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HNO 关键字: 稀土精矿；HNO3-Al(NO3)3；氟；络合；浸出[gap=1576]Key words: rare earth concentrate; HNO3-Al(NO3)3; fluorine element; coordination; leaching
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应用衍生气相色谱法测定含氟稀土精矿焙烧逸出气体中的氟化物。
Derivative gas chromatography is used to analyze the fluorinated compound derived from the gas out of the rare earth concentrates containing fluorine.
结果表明，经一次粗选、二次精选选别，可获稀土精矿品位52％。
The results show that a rare-earth concentrate with a grade of 52% can be obtained by one roughing and two cleanings.
研究了固氟氯化铵焙烧法分解包头混合型稀土精矿回收稀土的动力学。
The kinetics on chlorinating the rare earth of Baotou rare earth mixed concentrate after fixed fluorine treatment was determined.
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