霓石

巯基乙酸对霓石浮选抑制性能的研究

Study on the Depressing Property of Mercaptoacetic Acid in the Flotation of Aegirine

白云鄂博矿床霓石的研究

A study on aegirine from Baiyun Obo ore deposit

作者对平板玻璃的析晶霓石结石进行了光学显微镜岩相分析、X射线衍射结构分析和扫描电镜化学成分分布的形态观察。

For Aegirine stone of sheet glass the author has made a petrographic analysis by optical microscope , X-ray differaction structure analysis and shape observation of chemical component distribution by scanning electron microscope .

变质含霓石碱性花岗岩锆石U-Pb法下交点年龄为231±25Ma，上交点年龄为818±66Ma。

Zircon U-Pb isotopic ages of the meta-aegirine-bearing alkali granites are 231 ± 25 Ma ( lower intercept age ) and 818 ? 66 Ma ( upper intercept age ) .

纯矿物浮选试验结果表明，在pH4～5的弱酸性条件下，氟硅酸铵对赤铁矿浮选的影响较小，而对霓石强烈抑制，从而能够实现两种矿物的浮选分离。

The results of single minerals flotation test showed that at pH 4 ~ 5 representing a weakly acidic condition , ammoniun fluorosilicate had little effect on hematite flotation but could strongly depress aegirite , realizing a separation of the two minerals by flotation .

霓石正长岩力学特性研究

A study of mechanical characteristics of aegirine syenite

大别山东南部变质花岗岩中霓石的发现及其地质意义

The discovery of aegirine in metamorphosed granite of southeastern Dabie MTS and Its Geological Implications

研究了以油酸钠为捕收剂浮选赤铁矿时，氟硅酸铵对含铁硅酸盐脉石矿物霓石的选择性抑制作用。

The selective depression of ammonium fluorosilicate on aegirite , an iron-containing silicate gangue mineral , in hematite flotation using sodium oleate collector was investigated .

对其结构与性能的关系进行了详细的研究，并提出了选择性吸附的模型来说明其对霓石的抑制机理。

The relationship between the structure and performance of the depressors is investigated and a mathematical model of selective adsorption is developed to explain its depressive effect on aegirine .

本文还从霓石、钠铁闪石的结构、生长条件方面的差异对其形貌差异进行了对比分析。

Through the analysis of the difference in structure and growth condition between aegirine and arfvedsonite , the differ-ence in morphology and surface microtopography between these two minerals has also been ana-lysed .