The results indicate that different refractive indexes of germanium sulfide glass films prepared by different precursor are obtained due to the differences in glass structure.
结果表明：采用不同先驱体制备的溶胶凝胶硫化锗玻璃薄膜其玻璃结构具有差异，并导致薄膜折射率的不同；
Germanium can be concentrated in silicate ore deposit, sulfide ore deposit and coal, and partly in porphyry and carbonate, therefore it has good industrial development future.
锗主要赋存于硅酸盐矿床、硫化物矿床和煤中，在部分斑岩和碳酸盐中也发现有锗的存在，且具有工业开发的价值。
Germanium can be concentrated in silicate ore deposit, sulfide ore deposit and coal, and partly in porphyry and carbonate, therefore it has good industrial development future.
锗主要赋存于硅酸盐矿床、硫化物矿床和煤中，在部分斑岩和碳酸盐中也发现有锗的存在，且具有工业开发的价值。
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