The effect of high silicon low iron material on softening temperature, balling index, quality and output of sintering ore was investigated.
分析了高硅低铁物料对铅锌矿软化温度、成球性指数、烧结矿质量与产量的影响。
An inconvenience of prism couplers is that the prism material must have a high refractive index.
棱镜耦合器的一个不方便的地方是棱镜材料必须有较高的折射率。
This is a kind of gem material with high refractive index.
这是一种具有高折射率的宝石材料。
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