霞石正长岩

霞石正长岩合成13X分子筛及综合利用研究

Synthesis of 13X Molecule Sieves from Nepheline Syenite and its By-products

霞石正长岩是一种富含K2O、Al2O3、SiO2的矿产资源。

Nepheline syenite is an important kind of mineral resource rich in K_ ( 2 ) O , Al_ ( 2 ) O_ ( 3 ) and SiO_ ( 2 ) .

霞石正长岩同位素锆石U-Pb年龄为248.7Ma±2.6Ma，相当于早三叠世晚期。

The nepheline syenite has a zircon U-Pb age of 24.87 ± 2.6 Ma , indicating a late Early Triassic age .

霞石正长岩作为玻璃原料的应用研究

Application Research of Using Nepheline Syenite as Raw Material for Glasses

霞石正长岩综合利用生产化工产品工艺计算

Process calculation of chemical products derived from comprehensive utilization of nepheline-syenite

云南个旧霞石正长岩的开发利用

The Exploitation and Utilization of Nepheline Syenite Produced in Yunnan

霞石正长岩高梯度磁选除铁研究

Removal of iron from nepheline-orthoclase by high gradient magnetic separation

吉林省永胜霞石正长岩除铁试验研究

On the deironing of nepheline syenite from Yongsheng Village , Jilin Province

建议安阳市霞石正长岩生产规模设计为20万吨精矿/年。

The suggested scale for production is 200 thousand tons of concentrate each year .

安阳市霞石正长岩开发利用方向与前景

On the exploitation of nepheline syenite in Anyang

老工业城市个旧的可持续发展与个旧霞石正长岩资源开发

On Sustainable Development of Old Industrial City and Developing Nepheline Syenite Resource in Gejiu

霞石正长岩和高铝粉煤灰利用技术中的硅酸盐烧结反应；

Sintering reactions in utilizations of nepheline syenite and high - ( alumina ) flyash ;

霞石正长岩的评价方法

Assessment method of nepheline syenites in China

皖西霞石正长岩合成沸石分子筛及提钾的实验研究

Synthesizing zeolite molecular sieve and preparing potassium carbonate from nepheline syenite of Western Anhui Province

综述了44年来个旧白云山霞石正长岩开发利用研究的基本情况。

In this paper , the authors reviewed the development and research status of nepheline syenite in Gejiu in the last 44 years .

文章介绍了霞石正长岩矿的野外评价方法、矿石的可选性评价方法和矿石的经济质量评价方法；建立了矿石节碱系数、有效系数、引铁系数的概念；

The paper presents the methods of field evaluation , ore dressing evaluation and economic evaluation for nepheline syenite ores , and gaves the conceptions of the alkali saving coefficient , the efficient coefficient and the iron introducing coefficient .

此外，还有矿物组合与辉长岩相似的辉长伟晶岩；与霞石正长石相似的霞石正长伟晶岩等等。

In addition , mineral assemblage and gabbro similar to gabbro pegmatite ; and nepheline syenite nepheline syenite rock similar pegmatite and so on .