Catalyst activity was determined by not only specific surface area of catalyst but also the distributions of active center and utilization ratio of internal surface.
催化剂活性不仅与比表面有关，还与其活性中心分布情况、内表面利用率有关。
Nano-particles on the surface active center, it provided a catalyst for the necessary conditions.
纳米粒子表面活性中心多，为它作催化剂提供了必要条件。
Nano-particles on the surface active center, it provided a catalyst for the necessary conditions.
纳米粒子表面活性中心多，为它作催化剂提供了必要条件。
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