1. Crystalline hydrated holmium and erbium carbonates were synthesized using ammonium bicarbonate as precipitant. ��̼�����Ϊ�������ϳ���ˮ��̼������̼���ᄃ�塣
2. Take an examination of grinding is a lengthy process, in this process must the volition is sturdy, be precipitant! Forget very hard also so! ������һ�������Ĺ��̣������������һ��Ҫ��־�ᶨ������ֱǰ������Ҳ�������ǣ�
3. Objectives In the progress of preparing "Shuanghuang Shengbai Granules", we compared the flocculant precipitant process and alcohol precipitant process to offer theoretical foundation. Ŀ�ıȽ�˫�����������������봼�����յ����ӣ�Ϊ˫���������������ṩһ�������ݡ�
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n.
1. an agent that causes a precipitate to form
2. done with very great haste and without due deliberation