a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels
双语例句
1. Feldspar; leucite; nepheline and nepheline syenite; fluorspar.
长石；白榴石；霞石及霞石正长岩；萤石(氟石)。
youdao
2. Nepheline is a typical kind of alkaline mineral, which forms mainly in alkaline deposit and its pegmatite.
霞石为典型的碱性矿物，主要生成于碱性岩及其伟晶岩中。
youdao
3. 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。
youdao
4. Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite.
与钠沸石、层硅铈钛矿、钙霞石等伴生。
youdao
5. As a representative alkaline aggregate, nepheline was selected and the effect of it on the expansion of alkali-silica reaction was studied.
以霞石正长岩为代表，研究了含碱集料对碱-硅酸反应膨胀的影响。
youdao
6. In addition, mineral assemblage and gabbro similar to gabbro pegmatite; and nepheline syenite nepheline syenite rock similar pegmatite and so on.
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。
youdao
7. Using nepheline syenite as a substitute for feldspar, the batch mixtures were prepared on a composition of float glass and are melted into glasses.
以霞石正长岩取代长石，按照浮法玻璃的成份制备配合料并熔制玻璃。
youdao
8. 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。
youdao
9. 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。
youdao
10. Yunnan Province is rich in aluminium mineral resources. Main minerals products can be divided into two types. That is, sedimentary bauxite and nepheline syenite.
云南的铝矿资源丰富，主要矿产分为沉积型铝土矿和霞石正长岩铝资源两大类。
youdao
11. 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。
youdao
12. 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.
13. Phase relations in the fluorine-bearing granite system are known, and a wide area of liquid immiscibility which includes also nepheline-normative compositions has been established.
14. Phase relations in the fluorine-bearing granite system are known, and a wide area of liquid immiscibility which includes also nepheline-normative compositions has been established.
