霞石

The results showed that:①the crystalline phases are mainly the cuspidine, wollastonite and gehlenite with nepheline, fluorite and olivine also found in some samples under the experimental conditions;②with the bacisity and CaF_2 content increased, crystalline proportion of mold flux rises .

熔融保护渣在MoSi2高温电阻炉内以2℃/min降温速率冷却至室温，制成薄片，采用岩相显微镜分析保护渣的结晶矿相·结果表明：在本实验条件下，结晶矿相主要有枪晶石，硅灰石，黄长石，个别渣样有霞石，萤石，橄榄石；增大保护渣碱度，能促进保护渣结晶；随着渣中CaF2，Na2O，K2O和Li2O质量分数的增大，保护渣结晶化率增大；随着渣中Al2O3，MgO，BaO和MnO质量分数的增大，保护渣结晶化率减小

This paper details the properties and characteristics of the β-eucryptite glass-ceramics with negative CTE (Coefficient of Thermal Expansion) that have been developed to bond to substrates for compensating the thermal variations in fiber Bragg gratings.

本论文以研发能够应用于光纤布拉格光栅温度补偿的材料为目的，开展了负膨胀β-锂霞石微晶玻璃的制备与表征。

Then,the research progress of high SiC paniculate volume content aluminum matrix composites and aluminum matrix composites reinforced with eucryptite ,with zirconium tungstate and with quasicrystalline particles are reviewed respectively.

综述了低热膨胀铝基复合材料的研究现状，对高体积分数 SiC 颗粒增强铝基复合材料、锂霞石颗粒增强铝基复合材料、钨酸锆颗粒增强铝基复合材料和准晶颗粒增强铝基复合材料的研究状况进行了详细的阐述。

And by mean of DTA, XRD, SEM techniques, the research work emphasized on the crystal phases structure, thermal expansion, and mechanics capability of the β-eucryptite glass-ceramics.

通过DTA、XRD、SEM等研究手段，对β-锂霞石负膨胀微晶玻璃析晶性能、显微结构、热膨胀性能及力学性能等问题开展了较深入的研究。

In the source, lithium ions are extracted from a heated emitter (β- Eucryptite), focused by a electrostatic lens, and neutralized in a charge -exchange cell by sodium atoms.

它是从锂霞石热发射体上引出离子，经静电透镜聚焦，在中和室与钠原子进行电荷交换，通过离子偏转最后获得中性束。

The alkali rocks include potassic alkali rocks and natric alkali rocks.

碱性岩：典型的碱性岩为硅不饱和，出现霞石、白榴石等似长石类矿物。

CJU-18; Extra large pore molecular sieve ; Topological framework structure ; Can-crinite cage

CJU-18；超大孔分子筛；骨架拓扑结构；钙霞石笼

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。