分别采用扩孔剂法和水热处理法对氧化铝载体进行处理，考察不同扩孔方法对氧化铝载体孔结构的影响。
Alumina support was treated by adding pore-enlarging additives and hydrothermal treatment respectively to study the effects of various pore-enlarging methods on the pore structure of alumina.
用矿化剂NH_4F调节粉体的形状，使粉体中薄水铝石针状晶的数目降低并形成对调节载体孔结构有利的片状粉体；
Mineralization agent NH4F was used to regulate shape of the powder so as to lower the amount of bohemite needle crystals and form flake-shape powder;
制备了一种用于制造球形中空催化剂载体的造孔材料。
This article researched on hollow-making martiral used for making middle-hollow round catalysis carrier.
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