| 摘要 |
FIELD: glass industry. ^ SUBSTANCE: invention relates to glass compositions used in optical instrument making. Invention proposes glass comprising the following components, wt.-%: SiO2, 30.0-35.0; Al2O3, 6.0-8.0; Nd2O3, 45.0-48.0; GeO2, 1.0-2.0, and BaO, 10.0-15.0. Invention provides enhancing the light refraction index of glass. ^ EFFECT: improved and valuable property of glass. ^ 1 tbl |
