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本文应用X射线衍射法定量测定V_2O_5晶相在γ-Al_2O_3上自发分散量随焙烧时间的变化,提出V_2O_5在γ-Al_2O_3上的自发分散动力学方程为:C_0-C=Bln(τ+1)+△C_1,并且说明在自发分散初期存在一快速分散过程。
In this paper, the spontaneous dispersion of V_2O_5 on γ-Al_2O_3 was determined as follows: C_0-C = Bln (τ + 1) by quantitative analysis of the spontaneous dispersion of V_2O_5 crystal phase on γ-Al_2O_3 with calcination time by X-ray diffraction + △ C_1, and shows that there is a rapid dispersion in the initial stage of spontaneous dispersion.