亚共晶铝硅合金的变质元素除钠以外，还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中，应用较多的是含钠和锶的变质剂。
The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.
对新型含碲氧氟化物玻璃在中性、碱性、酸性条件下的化学稳定性进行了研究。
The chemical stability of new oxyfluoride glasses containing telluride at different conditions was investigated.
还原所得粗碲粉经亚硫酸钠脱硒，盐酸酸洗除杂处理，硒、砷、锡、铜的脱出率分别达到99%、93%、80%、87.5%，得到含碲99.669%的金属碲粉。
After the treatment with NaSO_3 and hydrochloric acid, 99% Se, 93% As, 80% Sn and 87.5% Cu are removed from the raw powdered-tellurium, and the powders of 99.669% te are prepared.
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