Preparation methods of calcined alumina, active alumina, amorphous aluminium glue, flaky alumina and hydrogen alumina, nanometer alumina, alumina fibre, alumina membrane and high purity fine alumina are introduced. 详细介绍了煅烧氧化铝、活性氧化铝、无定形铝胶、片状氧化铝和氢氧化铝、纳米氧化铝、氧化铝纤维、氧化铝膜和高纯超细氧化铝的制备方法;
Water diffusion is localized in the hydrophilic ionic region formed by the ionized groups, whereas ethanol diffusion is localized in the hydrophobic amorphous network of the polymeric membrane. 水是由亲水性的离子化通道扩散透过膜,而乙醇是由亲油性的高分子无定形区扩散透过膜;