multi-active center catalyst 多活性中心催化剂
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。
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