Preferably the starting material is dissolved in methanol and a stoichiometric excess of ammonium hydroxide is added.
原料最好溶解于甲醇并加入过量氢氧化铵。
The effect of pore structure in the anode catalyst layer on the performance of direct methanol fuel cell(DMFC) was investigated using ammonium carbonate as a pore former.
采用碳酸铵作为造孔剂，研究了阳极催化层孔结构对直接甲醇燃料电池（DMFC）性能的影响。
The samples were prepared by extraction using methanol followed by partitioning between ammonium hydroxide and chloroform.
样品经甲醇提取后，再用氨水-氯仿萃取。
The samples were prepared by extraction using methanol followed by partitioning between ammonium hydroxide and chloroform.
样品经甲醇提取后，再用氨水-氯仿萃取。
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