32 In addition, with the gradual increasing of Ni species content, the NiO nanoparticles size presents an increasing trend.
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Preparation of Ni based mesoporous Al<sub>2</sub>O<sub>3</sub> catalyst with enhanced CO<sub>2</sub> methanation performance.
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The sentences
37 The intensity of NiO peak on the surface layers presents a slightly increasing trend with the increasing Ni concentration in the Ni/MA catalysts.