Similarly, if the gypsum is replaced by sodium sulfate, the sulphur and sodium carbonate solution can be obtained. And the soda can be produced by further processing.

同样的原理，如果将石膏更换为芒硝，可得到硫和碳酸钠溶液，进一步加工可得纯碱。

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Sample solution is made by decomposing the sample of melted sodium carbonate, which is used to confirm the contents of iron, chromium and molybdenum in MT shift catalyst.

采用碳酸钠熔融分解样品制成待测试样溶液，同时用于测定中变催化剂中的铁、。

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The effect of sodium carbonate on the corrosion inhibition of aluminum alloy in sodium chloride solution was investigated by SEM and electrochemical means.

应用电化学实验方法和扫描电子显微镜（SEM）研究了碳酸钠在氯化钠溶液中对铝合金的缓蚀作用。

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They boil the cocoons in a solution of sodium carbonate to separate a protein called fibroin, which is the one they want, from another, called sericin, which they do not.

ECONOMIST: Monitor