《Table 3 Texture properties of catalysts with different P contents》

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《磷对原位晶化催化剂抗镍性能的影响（英文）》

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It can be seen from Table 3 that impregnation amount of phosphoric acid does not have a linear relationship with specific surface area，pore volume and pore size of the catalyst.Specific surface area of the catalyst gradually decreases as the amount of phosphorus increases.When phosphorus was not injected，specific surface area of the catalyst reached a maximum value of305.5 m2·g-1.When phosphorus is loaded，specific surface area of the catalyst is smaller.Further，as the amount of phosphorus increases，pore diameter of the catalyst gradually increases.This is because the change of specific surface area of the catalyst causes change of pore diameter.The larger the specific surface area of the catalyst is，the smaller the pore diameter is.