通过控制铝盐与碳酸氢铵溶液的沉淀反应条件，制备出结晶碳酸铝铵前驱体。
Crystalline ammonium aluminum carbonate hydroxide (AACH) precursor was synthesized by controlling precipitation reaction conditions.
在此条件下，碳酸氢铵转化率可达97%以上，产品溶液的硫酸铵浓度可达35 %以上。
Under these conditions, the conversion of ammonium bicarbonate and the content of ammonium sulfate in productive solution were more than 97% and 35%.
研究了过硫酸铵—亚硫酸氢钠—碳酸氢铵引发下丙烯酰胺水溶液聚合的动力学，导出了聚合动力学方程。
The kinetics of polymerization of acrylamide in aqueous solution induced by ammonium persulphate-sodium bisulfite-ammonium bicarbonate is studied and a kinetic equation is therefore obtained.
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