The results indicate that the reaction products on the weathered surface of soda-lime silicate glasses are mainly sodium and calcium mixed carbonate.
结果表明：钠钙硅酸盐玻璃风化表面产物主要为钠和钙的碳酸盐。
A new process of metallurgy of rare metals zirconium and hafnium with caustic soda instead of sodium carbonate to rub up zircon is examined.
研究了以氢氧化钠代替碳酸钠拌和锆英砂冶炼锆、铪稀有金属的新工艺。
The influence of drying condition of monohydrate sodium carbonate on the whiteness of dense soda ash is discussed in this paper.
主要研究一水碱干燥条件对重质纯碱白度的影响规律。
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