alumina soda ratio
运行实践证明，铝钙双碱法比钠钙双碱法更顺行。
It has proved by practice that Al-Ca double alkali method is more direct than Na-Ca double alkali method.
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针对铝酸钠溶液除硅过程，研究苛性比、碱浓度、配钙量、温度等对水合硅酸钙形成的影响规律。
The results indicate that the formation of calcium silicate hydrate is difficult at normal pressure.
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