1·By observing of the melt course and by analyzing the measurements of glass samples, the feasibility of nepheline syenite as raw materials for the green float glasses was discussed.
通过对熔化过程的观察和对玻璃样品有关性能测试结果的分析，讨论了霞石正长岩作为绿色浮法玻璃原料的可行性。
2·By observing the melt course and analyzing the measurements of glass samples, the feasibility of nepheline syenite replacing part of raw material for the float glass is discussed.
通过对熔化过程的现察和对玻璃样品有关性能测试结果的分析，讨论了霞石正长岩作为浮法玻璃原料的可行性。
3·The result shows that the sintering temperature of ceramic body is reduced, but the toughness is improved obviously on substitution of nepheline for feldspar.
试验结果表明，霞石替代长石不仅能降低瓷坯的烧成温度，而且瓷坯的强度也有明显改善。
4·The light - colored minerals of K -rich volcanic rocks in this area are alkaline feldspar, leucite and nepheline.
本区富钾火山岩中浅色矿物有碱性长石、白榴石和霞石。
5·The REE enriched residual melt penetrated into the top of intrusion would be the products of nepheline syenite magma produced in the process of differentiation.
稀土元素矿床是霞石正长质岩浆分异残余熔体的产物，侵位于岩体最高层位。